Caterpillar 797F BROCHURE

Page 1

797F

Mining Truck

Engine Weights – Approximate

Engine Model Cat C175-20 Gross Machine Operating Weight (GMW) 623 690 kg 1,375,000 lb Gross Power – SAE J1995 2983 kW 4,000 hp Operating Specications Net Power – SAE J1349 2828 kW 3,793 hp Nominal Payload Capacity 363 tonnes 400 tons

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797F Features

High Engine Performance

The Cat C175-20 engine offers the perfect balance between power, robust design and economy.

Power Shift Transmission

Electronic Clutch Pressure Control (ECPC) gives the 797F seven speed transmission smooth shifts while providing constant power and ef ciency for peak power train performance.

Reliable Mechanical Drive System

The Cat mechanical drive power train provides unmatched operating ef ciency.

Robust Braking

Cat oil-cooled, multiple disc brakes offer exceptional, fade resistant braking in all haul road conditions.

Truck Body

A variety of Caterpillar designed and built bodies and liners ensure optimal performance and reliability in tough mining applications.

Comfortable Cab

Large, spacious cab offers unmatched visibility and exceptional operator comfort.

Enhanced Serviceability

Designed with improved serviceability points and grouped service locations so more time is spent on the haul road.

Contents

Power Train – Engine .........................................3

Power Train – Transmission ..............................4

Engine/Power Train Integration ........................5

Cat Braking System ............................................6

Truck Body Systems ...........................................7

Structures.............................................................8

Operator’s Station ...............................................9

Monitoring System............................................10

Safety ..................................................................11

Sustainability .....................................................12

Customer Support .............................................13

Serviceability .....................................................14

797F Mining Truck Speci cations ..................15

797F Standard Equipment ................................23

797F Optional Equipment..................................24

Notes ...................................................................25

The Cat 797 is the leader in its class and the 797F continues this tradition with advancements in safety, productivity, serviceability and comfort. Whether hauling copper, coal, iron ore, gold or overburden, the 797F will deliver the lowest cost-per-ton. Combine the features of the 797F with unmatched dealer support and you will see why more people choose Cat Mining Trucks for their production needs.

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Power Train – Engine

The Cat® C175-20 engine is built for power, reliability and ef ciency.

Engine

The Cat® C175-20 quad turbocharged and air-to-air aftercooled diesel engine has enhanced power management capability for maximum hauling performance in the most demanding mining applications.

Design

The C175-20 is a 20 cylinder, single block, four stroke design that uses long, effective power strokes for optimum ef ciency.

EPA Compliant

Where applicable, the Cat C175-20 engine is compliant with U.S. Environmental Protection Agency emissions requirements.

Long Life

High displacement, low rpm rating and conservative power ratings mean more time on the haul roads and less time in the shop.

Cat Common Rail Fuel System

The electronically-controlled system senses operating conditions and regulates fuel delivery for optimum fuel efciency. This precise and exible fuel system gives the engine the ability to meet emission regulations without sacricing performance, reliability or durability.

Cooling System

The MESABI™ Radiator comes standard on the 797F. The exible core design offers long life, high durability and easy serviceability.

Starter

The tank on the air start system is ground level for easy serviceability.

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Power Train – Transmission

More power to the ground for greater productivity.

Mechanical Power Train

The Cat mechanical drive power train and powershift transmission provides unmatched operating ef ciency and control on steep grades, in poor underfoot conditions and on haul roads with high rolling resistance.

1 – Transmission

The Cat seven speed, planetary power shift transmission is matched with the C175-20 engine to deliver constant power over a wide range of operating speeds.

• Robust Design – Designed for the higher power of the C175-20 engine, the proven planetary power shift transmission is built tough.

• Long life – A dedicated oil tank and circuit provides cooler, cleaner oil for maximum performance and longer component life.

Electronic Clutch Pressure Control

ECPC provides maximum performance, smooth shifting, long clutch life and a more comfortable ride.

2 – Lock-Up Torque Converter

Combines maximum rimpull and cushioned shifting of torque converter drive with the efciency and performance of direct drive. The lock-up torque converter engages at approximately 8 km/h (5 mph), delivering more power to the wheels.

3 – Final Drives

Cat nal drives work as a system with the planetary power shift transmission to deliver maximum power to the ground. Built to withstand the forces of high torque and impact loads, double reduction nal drives provide high torque multiplication to further reduce drive train stress.

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ARC

1 Service Brake Sensor 2 Engine Sensor 3 ARC 4 ARC Switch 5 Service Brakes 6 Secondary Brakes 7 Axle Speed Sensor 8 TCS 9 Position Sensor 10 Steering Cylinder

TCS

Engine/Power Train Integration

Electronically combined power train components optimize performance.

Cat Data Link

Electronically integrates machine computer systems to optimize overall power train performance, increase reliability and component life and reduce operating costs.

Body-Up Shift Inhibitor

Prevents the transmission from shifting above the pre-programmed gear without the body fully lowered. The machine can move forward but the speed is limited to avoid excessive racking when pulling away from a dump site.

Overspeed Protection

The transmission control electronically senses engine conditions and automatically up-shifts one gear to prevent overspeeding.

Programmable Top Gear

Transmission top gear maximum can be set using the Cat Electronic Technician service tool to help the operator maintain speed limits.

Downshift Inhibitor

Prevents engine overspeeding by keeping the transmission from downshifting until engine speed reaches the downshift point.

Controlled Throttle Shifting

Regulates engine rpm during shifting to reduce power train stress and clutch wear by controlling engine speed, torque converter lock-up and transmission clutch engagement for smoother shifts and longer component life.

Reverse Speed Inhibitor

Prevents shifts into reverse when forward ground speeds are in excess of 4.8 km/h (3 mph).

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Cat Braking System

Superior braking control lets operators focus on productivity.

Integrated Braking System

The Cat, oil-cooled braking system delivers reliable performance and control in extreme haul road conditions. The integrated system combines the service, secondary, parking brakes and retarding functions in the same system for optimum braking efciency that does not burn fuel while retarding.

Oil-Cooled Multiple Disc Brakes

Cat four wheel, forced oil-cooled, multiple disc brakes are continuously cooled by water-to-oil heat exchanger for exceptional, non-fading braking and retarding performance.

Brake Design

Cat, oil-cooled disc brakes are designed with large discs and plates for reliable, adjustment-free operation and performance. Brakes are completely enclosed and sealed to prevent contamination and reduce maintenance.

Long Life

An oil lm prevents direct contact between the discs. This design absorbs the braking forces by shearing the oil molecules and carrying heat away to extend brake life.

Parking Brake

Oil-cooled, spring-applied, hydraulically released parking brake is applied to all four wheels for superior parking capability on all grades up to 15 percent.

Hydraulic Automatic Retarder Control (ARC)

Hydraulically activated, automatic retarder control system electronically controls retarding on grade to maintain optimum engine rpm and brake system performance. ARC is now adjustable in each gear.

Retarding

The 797F offers two options for retarding. Flat/Uphill Haul option is the standard conguration and provides a simpli ed system for less maintenance. For those applications requiring downhill loaded operation, an optional con guration increases retarding capability.

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Truck Body Systems

Cat designed and built for rugged performance and reliability.

Cat Truck Bodies

The 797F is offered with four MSD II (Mine Specic Design) body options in conjunction with a congurable liner system to achieve the most efcient hauling solutions at the lowest-cost-per-ton.

Body Selection

The Cat truck body program is committed to providing the most efcient and highest value body solution for your operation. By studying your mine site and understanding the overall operational requirements and constraints, the body can be congured to meet the unique needs of your application.

MSD II Body

The MSD II bodies are the number one choice in the mining industry. The internal body shells are designed and manufactured for superior impact and wear protection. Coupled with the Cat mine specic design process the MSD II bodies optimize the balance of payload and durability.

Truck Body Liners

A variety of liner options are available to save weight and extend body life through impact and wear management. The mine specic design system is utilized to provide you with the optimum liner for long life at your mine site.

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Structures

Superior Cat structures are the backbone of the 797F’s durability.

Box Section Design

The 797F uses a box-section design, incorporating two forgings and 14 castings in high stress areas with deep penetrating and continuous wrap-around welds to resist damage from twisting loads without adding extra weight.

• Steel Structures

Mild steel used throughout frame provides  exibility, durability and resistance to impact loads, even in cold climates and allows for easy  eld repairs.

• Castings

Castings account for 80 percent of the frame’s weight and are key to providing durability in some of the world’s toughest conditions. The large radii castings are resilient to frame exing and ensure long life.

Integral Four-Post Cab

Resiliently mounted to the frame to reduce vibration and sound, the integral ROPS is designed as an extension of the truck frame.

Suspension System

Designed to dissipate haul road and loading impacts for longer frame life and a more comfortable ride.

• Durable Design

Rugged cylinders utilize large diameter bore and low pressure nitrogen/oil design for long life with minimal maintenance.

• Front

Front cylinders with preset caster and camber are mounted on the frame and serve as steering kingpins for a tight turning radius with excellent maneuverability and low maintenance.

• Rear

Rear cylinders allow oscillation and absorb bending and twisting stresses caused by uneven and rough haul roads rather than transmitting them to the main frame.

Four-Bar Link Rear Suspension

The four-bar link suspension transfers and supports loads to the frame more efciently than an A-frame design and allows more service area around the transmission.

Steering System

Hydraulic steering control system is designed for exceptional smoothness and precise control. A separate circuit prevents cross contamination for long life.

1. Yellow – Fabrications, Red – Castings

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13 13

Operator’s Station

Ergonomically designed for all-day comfort, control and productivity.

Enhanced Operator Visibility

Through the use of Caterpillar the fully Integrated Object Detection System, RADAR AND CAMERA, the operator can receive both audible and visual indications of detected objects.

Ergonomic Layout

The all new F-Series operator station is ergonomically designed for total machine control in a comfortable, productive and safe environment. All controls, levers, switches and gauges are positioned to maximize productivity and minimize operator fatigue.

Viewing Area

Designed for excellent all-around visibility and clear sight lines to the haul road, the large viewing area offers exceptional visibility, allowing the operator to maneuver with condence for high productivity. The air cleaners have been relocated to thefront of the truck, allowing the operator increased visibility.

1) Air Suspension Seat with Three-Point Operator Restraint 2) Hoist Lever 3) Secondary Brake Pedal 4) Monitoring System

5)Steering Column 6) Transmission Controls 7) Gauges 8) Storage Compartment 9) Air Suspension Trainer Seat

10)OperatorWindow 11) Operator Controls 12) Heating/Air Conditioning 13) Four-Post ROPS 14) Camera System Monitor (optional) 15)MineStar Monitor (optional) 16) Cup Holder 17) Dome Courtesy Lights

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Monitoring System

Vital machine health and payload data keeps production at peak levels.

VIMS™ 3G Monitoring System

The third generation VIMS™ monitoring system provides critical health and payload data in real-time to keep the 797F performing at top production levels. Sensors throughout the machine enable VIMS to quickly exchange and monitor information from all systems. Users can view up to 10 different machine parameters at a time. Service technicians can quickly download data and generate reports in the ofce, shop or cab by connecting directly to the system. On-board, various levels of alerts provide operators with notication and severity of abnormal machine health conditions. Data can be used to improve effectiveness of scheduled maintenance programs, maximize component life, improve machine availability and lower operating costs.

Production and Payload Management

Information is available to monitor and enhance truck/ loading tool effectiveness, improve eet productivity and help extend the life of truck frames, tires, rims and power train components, while lowering operating and maintenance cost.

External Payload Indicators

External lights signal loading tool operators when to cease loading for optimum payloads without overloading. Optional payload displays with digital numeric monitor are available.

Road Analysis Control

Optional system monitors haul road conditions by measuring frame rack, bias and pitch to improve cycle times, frame life, tire life and fuel ef ciency.

VIMSpc

Off-board software reporting program that allows service personnel to download a complete record of machine health and productivity data. Health and payload reports can be generated for more effective machine management which reduces downtime and lowers operating costs.

Advisor Display

The Advisor display provides real-time machine performance and basic trip, maintenance and diagnostic data. Various machine parameters can be viewed on the display including coolant temperature, oil pressure, current gear selection, current payload and more.

VIMS Supervisor

Optional software allows mine personnel to easily manage and interpret VIMS data for optimum  eet management and productivity.

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Safety

Cat mining machines/systems are designed with safety as the  rst priority.

Product Safety

Caterpillar has been and continues to be proactive in developing mining machines that meet or exceed safety standards. Safetyis an integral part of all machine and system designs.

Access and Egress

Improvements for machine level access and egress include a standard 600 mm (24 in) diagonal stairway across the front ofthemachine. Improvements for ground level access include an optional powered access stairway.

Integrated Object Detection Systems

Object Detection Systems are factory installed as standard equipment on 797F mining trucks. The fully Integrated Object Detection System, RADAR AND CAMERA, provides both audible and visual indications of detected objects. This system uses a combination of short and medium range radars which surround the machine, along with cameras on each side to allow the operator to conrm the detected object. The cameras supplement the radar alerts and are selectable by touch screen menus through an intuitive interface.

Overload Policy

Safety is integral to maintaining the highest productivity in mining operations. The Cat 10/10/20 Overload Policy assures that steering and braking systems have sufcient capacity to perform, even at 20 percent overload.

Other Safety Features

• Slip resistant surfaces • 76 mm (3 in) wide orange, three-point operator restraint • Wide angle mirrors • Body raised indicator

• Body retaining cables • Guard rails • Reverse neutralizer when dumping • Low interior sound level

Isolation Box

Lockout, tagout box mounted on front bumper includes engine shutdown switch, battery lockout, starter lockout and transmission lockout.

SAFETY.CAT.COM™

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Sustainability

A variety of features improve sustainability in areas of decreasing waste, extending component life and lowering emissions levels.

Sustainabilty Features

The 797F Mining Truck offers continuous rear axle ltration, extended life lters and extended maintenance intervals which aid in decreasing the amount of waste contributed to our environment.

Engines with Advanced Technology

Engines with advanced technology contribute less emissions to the environment while maintaining fuelef ciency.

Advanced Surface Technology (AST)

Advanced Surface Technology (AST) is a replacement for hard chrome coatings on some steel parts, including suspension and hoist cylinder rods. This technology improves wear resistance and reduces repair time. Chrome has been eliminated to reduce environmental impact.

Fuel Efciency

The engine provides additional retarding by running against compression on downhill hauls. Duringretarding applications the engine ECM does not inject fuel into the cylinders for exceptional fueleconomy.

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Customer Support

Caterpillar has the most experienced dealer network in the world.

Commitment Makes the Difference

Cat dealers offer a wide range of solutions, services and products to help you lower costs, enhance productivity and manage your operation more efciently. From the time you select a piece of Cat equipment until you trade or sell it, the support you get from your Cat dealer makes the difference.

Dealer Capability

Cat dealers provide the level of support you need on a global scale. Dealer expert technicians have the knowledge, experience, training and tooling necessary to handle your repair and maintenance needs, when and where you need them.

Product Support

When Cat products reach the eld, they are supported by a worldwide network of parts distribution facilities, dealer service centers and technical training facilities to keep your equipment up and running. Cat customers rely on prompt, dependable parts availability through our global dealer network, meeting your needs 24/7.

Service Support

Cat equipment is designed and built to provide maximum productivity and operating economy throughout its working life. Cat dealers offer a wide range of service plans that will maximize uptime and return on your investment, including:

• Preventive Maintenance Programs

• Diagnostic Programs, such as Scheduled Oil Sampling and Technical Analysis

• Rebuild and Reman Options

• Customer Support Agreements

Application Awareness

Operating and maintenance costs are inuenced by many application and site-specic factors, such as: material density, loading position, payload, grades, speeds, haul road design and maintenance. Your Cat dealer can provide you with an understanding of the effects application characteristics and operating techniques have on maintenance and operating costs.

Operation

Your Cat dealer offers training programs to help operators improve productivity, decrease downtime, reduce operating costs and enhance safety.

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Serviceability

Reduced maintenance time results in more productivity.

Servicing Ease

Easy access to daily service points simplies servicing and reduces time spend on regular maintenance procedures. Enhanced serviceability and long service intervals are designed to increase machine availability and productivity.

In-Frame Access

Permits easy access to major components for easy servicing and removal.

Ground Level Access

Grouped ground level points allow convenient servicing of tanks, lters, drains, batteries, AutoLube system, pressure taps, screens, uid sight gauges and engine shutdown. Ground level VIMS data port permits easier downloading of information.

AutoLube

Automatic lubrication system reduces maintenance time by automatically lubricating necessary components on a regular basis.

Scheduled Oil Sampling

S•O•SSM sampling valves speed sampling and analysis reliability.

Sealed Electrical Connectors

Electrical connectors are sealed to lock out dust and moisture. Harnesses are braided for protection. Wires are color-coded for easy diagnosis and repair.

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797F Mining Truck Speci cations

Engine Operating Specications Brakes

Engine Model Cat C175-20 Nominal Payload 363 tonnes 400 tons Number of Discs 10 Gross Power 2983 kW 4,000 hp

– SAE J1995 Heaped SAE (2:1) 240- 314- Number of Discs 15 Net Power 2828 kW 3,793 hp

– SAE J1349 Top Speed – Loaded 67.6 km/h 42 mph Outside Diameter 1067 mm 42 in Bore 175 mm 6.9 in Steer Angle 40 Degrees Brake Surface 330 517 cm Stroke 220 mm 8.7 in Machine Clearance 42 m 138 ft Standards J-ISO 3450 JAN88, Displacement 106 L 6,469 in

• Power ratings apply at 1,750 rpm when

tested under the specic conditions for the speci ed standard.

• Ratings based on SAE J1995 standard air

conditions of 25° C (77° F) and 99 kPa (29.32 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (69° F) and an LHV of 42 780 kJ/kg (18,390 Btu/lb) when engine is used at 30° C (38° F).

• No low altitude arrangement (LAA) engine

derating required up to 2134 m (7,000 ft) altitude.

• No high altitude arrangement (HAA)

engine derating required up to 4877 m (16,000 ft) altitude.

• EPA Compliant. Where applicable, the

Cat C175-20 engine is compliant with U.S. Environmental Protection Agency emissions requirements.

Weights – Approximate

Gross Machine Operating Weight (GMW)

Body Weight Range 41 368-61 235 kg

Chassis Weight Range

• Refer to the Cat Mining Truck 10/10/20

Payload Policy for maximum gross machine weight limitations.

• Body weight varies depending on body

and liner conguration. Weight range for known applications.

• Chassis weight with 100 percent fuel, hoist,

body mounting group, rims and tires.

623 690 kg (1,375,000 lb)

(91,200-135,000 lb) 210 630-219 146 kg

(464,359-483,134 lb)

Capacity per Side – Front

Capacity 267 m

Turning Diameter ISO 3450-1996

350 yd

per Side – Rear

Final Drives Approximate Weights – MSD II

Differential Ratio 1.276:1 Front Axle 47.2% Planetary Ratio 16.67:1 Total Reduction

Ratio

• Double reduction, planetary with full  oating axles.

21.26:1

Transmission

Forward 1 11.3 km/h 7 mph Forward 2 15.2 km/h 9.5 mph Forward 3 20.5 km/h 12.7 mph Forward 4 27.7 km/h 17.2 mph Forward 5 37.2 km/h 23.1 mph Forward 6 50.3 km/h 31.2 mph Forward 7 67.6 km/h 42 mph Reverse 11.9 km/h 7.4 mph

– Empty Front Axle

– Loaded Rear Axle

– Empty Rear Axle 66.7%

– Loaded

33.3%

52.8%

Weight Distributions – Approximate

Front Axle – Empty

Rear Axle 52.8% – Empty

Front Axle 33.3% – Loaded

Rear Axle 66.7% – Loaded

47.2%

Suspension

Capacity – MSD II – 100%  ll fact

Effective Cylinder Stroke – Front

Effective Cylinder Stroke – Rear

Rear Axle Oscillation ±4.0 degrees

Body Hoists

Pump Flow 1200 L/ 317 gal/ – High Idle min min

Relief Valve Setting – Raise

Body Raise Time 25 Seconds – High Idle

High Idle Body 19 Seconds Lower Time – Float

313.6 mm 12.3 in

165.1 mm 6.5 in

24 200 kPa 3,510 psi

Struck 188- 246-

213 m

Heaped (SAE 2:1) 240-

267 m

• Consult your local Cat dealer for truck body recommendations.

51,243 in

290 yd 314-

350 yd

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797F Mining Truck Specications

Service Rell Capacities Tires Sound

Fuel Tank 3785 L 1,000 gal Cooling System 1160 L 306 gal Crankcase 319 L 84 gal Front Wheels, Each 61 L 16 gal Final Drives, Each 185 L 49 gal Differentials 1176 L 311 gal Steering Tank 254 L 67 gal Steering System 355 L 94 gal

(Includes Tank) Brake/Hoist 825 L 28 gal

Hydraulic Tank Brake/Hoist System 1670 L 441 gal

(Includes Tank) Brake/Hoist Tank 830 L 219 gal Torque Converter 303 L 80 gal

Sump Torque Converter/ 629 L 166 gal

Transmission System (Includes Sump)

Tire 59/80R63 – Michelin

or Bridgestone

• Productive capabilities of the 797F are such that, under certain job conditions, TKPH (TMPH) capabilities of standard tires could be exceeded and, therefore, limit production.

ROPS

ROPS Standards

• ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3741:1994 ROPS criteria.

• FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria.

Sound Standards

• The operator sound pressure level measured according to work cycle procedures specied in ISO 6394 and 6396 is 76 dB(A) for cab offered by Caterpillar when properly installed and maintained and tested with doors and windows closed.

• Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.

Steering

Steering Standards SAE J15111 OCT90,

ISO 5010:1992

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Dimensions

All dimensions are approximate. Dimensions are with standard body 290-6420.

Height to Top of ROPS – Empty

Overall Body Length

Inside Body Length

Overall Length

Wheelbase

Rear Axle to Tail

Loaded Ground Clearance

Dump Clearance

Loading Height – Empty

Inside Body Depth – Maximum

Overall Height – Body Raised

Centerline Front Tire Width

Engine Guard Clearance – Loaded

Outside Body Width

Overall Canopy Width

Inside Body Width

Front Canopy Height – Empty

Rear Axle Clearance – Loaded

Centerline Rear Dual Tire Width

Overall Tire Width

45°

6526 mm

14 802 mm

9976 mm

15 080 mm

7195 mm 3944 mm

786 mm 2017 mm 6998 mm 3363 mm

15 701 mm

6534 mm 1025 mm 9755 mm 9116 mm 8513 mm 7709 mm

947 mm 6233 mm 9529 mm

14 15 16

19 20

21 ft 5 in 48 ft 7 in 32 ft 9 in 49 ft 6 in 23 ft 7 in

12 ft 11 in

2 ft 7 in

6 ft 7 in 23 ft 0 in 11 ft 0 in 51 ft 6 in 21 ft 5 in

3 ft 4 in 32 ft 0 in

29 ft 11 in 27 ft 11 in

25 ft 4 in

3 ft 1 in 20 ft 5 in 31 ft 3 in

Page 18

797F Mining Truck Specications

797F Gradeability/Speed/Rimpull *

To determine gradeability performance: Read from gross weight down to the percent of total resistance. Total resistance equals actual percent grade plus 1% for each 10 kg/t (20 lb/ton) of rolling resistance. From this weight-resistance point, read horizontally to the curve with the highest obtainable gear, then down to maximum speed. Usable rimpull will depend upon traction available and weight on drive wheels.

Typical Field Empty Weight Gross Machine Operating Weight

623 690 kg (1,375,000 lb)

GROSS WEIGHT

lbf x N x 1000 1000

350

300

250

200

RIMPULL

150

100

0 150 300 450 600 750 900 1050 1200 1350 1500

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700

1600

1400

1200

1000

800

30%

600

400

200

lb x 1000

kg x 1000

25%

20%

15%

10%

TOTAL RESISTANCE

(Grade plus Rolling Resistance)

Torque Converter Drive Direct Drive

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40

1 – 1st Gear 2 – 2nd Gear 3 – 3rd Gear 4 – 4th Gear 5 – 5th Gear 6 – 6th Gear

km/h

mph

SPEED

E – Empty L – Loaded * at sea level

Page 19

797F Steep (Downhill Haul) Retarding – Continuous *

To determine retarding performance: Add lengths of all downhill segments and, using this total, refer to proper retarding chart. Read from gross weight down to the percent effective grade. Effective grade equals actual % grade minus 1% for each 10 kg/t (20 lb/ton) of rolling resistance. From this weight-effective grade point, read horizontally to the curve with the highest obtainable gear, then down to maximum descent speed brakes can properly handle without exceeding cooling capacity. The following charts are based on these conditions: 32° C (90° F) ambient temperature, at sea level, with 59/80R63 tires.

NOTE: Select the proper gear to maintain engine rpm at the highest possible level, without overspeeding the engine. If cooling oil overheats, reduce ground speed to allow transmission to shift to the next lower speed range.

Typical Field Empty Weight Gross Machine Operating Weight

623 690 kg (1,375,000 lb)

GROSS WEIGHT

0 150 300 450 600 750 900 1050 1200 1350 1500

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700

30%

25%

20%

15%

10%

lb x 1000

kg x 1000

EFFECTIVE GRADE

(Grade minus Rolling Resistance)

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40

SPEED

1 – 1st Gear 2 – 2nd Gear 3 – 3rd Gear 4 – 4th Gear 5 – 5th Gear 6 – 6th Gear

E – Empty L – Loaded * at sea level

km/h

mph

Page 20

797F Mining Truck Specications

797F Steep (Downhill Haul) Retarding – 450 m (1,475 ft) *

GROSS WEIGHT

0 150 300 450 600 750 900 1050 1200 1350 1500

100

150

200

250

Typical Field Empty Weight

Gross Machine Operating Weight 623 690 kg (1,375,000 lb)

300

350

400

450

500

30%

550

25%

600

650

20%

700

lb x 1000 kg x 1000

1 – 1st Gear 2 – 2nd Gear 3 – 3rd Gear 4 – 4th Gear 5 – 5th Gear 6 – 6th Gear

* at sea level

0 0 5

0 5 10 15 20 25 30 35 40

797F Steep (Downhill Haul) Retarding – 1500 m (4,900 ft) *

GROSS WEIGHT

0 150 300 450 600 750 900 1050 1200 1350 1500

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700

Typical Field Empty Weight

Gross Machine Operating Weight 623 690 kg (1,375,000 lb)

SPEED

15%

10%

EFFECTIVE GRADE

(Grade minus Rolling Resistance)

30%

25%

20%

km/h

mph

lb x 1000 kg x 1000

1 – 1st Gear 2 – 2nd Gear 3 – 3rd Gear 4 – 4th Gear 5 – 5th Gear 6 – 6th Gear

* at sea level

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40

15%

10%

SPEED

EFFECTIVE GRADE

(Grade minus Rolling Resistance)

km/h

mph

Page 21

797F Shallow (Flat/Uphill Haul) Retarding – Continuous *

Typical Field Empty Weight Gross Machine Operating Weight

623 690 kg (1,375,000 lb)

GROSS WEIGHT

0 150 300 450 600 750 900 1050 1200 1350 1500

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700

30%

25%

20%

15%

10%

lb x 1000

kg x 1000

EFFECTIVE GRADE

(Grade minus Rolling Resistance)

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40

SPEED

1 – 1st Gear 2 – 2nd Gear 3 – 3rd Gear 4 – 4th Gear 5 – 5th Gear 6 – 6th Gear

E – Empty L – Loaded * at sea level

km/h

mph

Page 22

797F Mining Truck Specications

797F Shallow (Flat/Uphill Haul) Retarding – 450 m (1,475 ft) *

GROSS WEIGHT

0 150 300 450 600 750 900 1050 1200 1350 1500

100

150

200

250

300

Typical Field Empty Weight

Gross Machine Operating Weight 623 690 kg (1,375,000 lb)

350

400

450

500

30%

550

25%

600

650

20%

700

lb x 1000 kg x 1000

1 – 1st Gear 2 – 2nd Gear 3 – 3rd Gear 4 – 4th Gear 5 – 5th Gear 6 – 6th Gear

* at sea level

0 0 5

0 5 10 15 20 25 30 35 40

SPEED

797F Shallow (Flat/Uphill Haul) Retarding – 1500 m (4,900 ft) *

GROSS WEIGHT

0 150 300 450 600 750 900 1050 1200 1350 1500

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700

Typical Field Empty Weight

Gross Machine Operating Weight 623 690 kg (1,375,000 lb)

15%

10%

EFFECTIVE GRADE

(Grade minus Rolling Resistance)

30%

25%

20%

km/h

mph

lb x 1000 kg x 1000

1 – 1st Gear 2 – 2nd Gear 3 – 3rd Gear 4 – 4th Gear 5 – 5th Gear 6 – 6th Gear

* at sea level

0 5 10 15 20 25 30 35 40 45 50 55 60 65 70

0 5 10 15 20 25 30 35 40

15%

10%

SPEED

EFFECTIVE GRADE

(Grade minus Rolling Resistance)

km/h

mph

Page 23

Standard equipment may vary. Consult your Cat dealer for details.

797F Standard Equipment

ELECTRICAL

Alarm, back-up Brushless, alternator, 150 ampere Batteries, 12V (2) 93 amp-hour Converter, 12V electrical Electrical system, 24V, 10, 20 and 25 amp Battery charge receptacle Lighting system

Back-up and hazard lights Directional signals (front, rear LED) Front stair access/Service deck Stop/tail lights (LED) Engine compartment VIMS, blue light (LED) Headlights with lo-hi beam selector

OPERATOR ENVIRONMENT

Air conditioner with automatic climate control

12V DC power supply (3) Coat hook Diagnostic connection port Dome courtesy light Entertainment radio ready 5 amp converter,

speakers and wiring harness Gauges/Indicators:

Gauge panel

Transmission  uid temperature Brake oil temperature Engine coolant temperature Fuel level

Torque converter oil temperature Electric engine control fault indicator Electric hour meter Speedometer Tachometer Transmission gear indicator VIMS message center with advisor

Heater/defroster (11 070 kCal/43,930 Btu) Horn Integrated Object Detection System Storage compartments Hoist, body control (electric) ROPS cab, insulated/sound suppressed

Seat, operator, air suspension Seatbelt, operator, three-points, retractable Seat, trainer, air suspension Seatbelt, trainer, two-points, retractable Stairway and walkway access, 600 mm

(23.6 in) Steering wheel, multi tilt, padded, telescopic Tinted glass Window, operator, electric powered Windshield wiper, intermittent control

and washer Cup holder Mirrors, right and left

POWER TRAIN

C175-20 Tier 2 emissions compliant engine

Turbocharging (4)/Air-to-Air Aftercooler (ATAAC)

Air cleaner with precleaner (4) Ground level engine shutdown Ether starting aid (automatic) Elevated low idle control Crankcase protection Multi-point oil pressure sensing Automatic starter protection

Braking system

Park brake integrated with gear selector Brake release motor (towing) Oil-cooled, multi-disc (front and rear) –

service, retarding, parking, secondary Automatic Retarder Control, adjustable Engine overspeed protection Extended life brake disc material

Transmission

7-speed, automatic powershift with electronic controls (ECPC)

Body-up shift inhibitor Controlled throttle shifting Directional shift management Neutral coast inhibitor Neutral start switch Downshift/Reverse shift inhibitor Individual clutch modulation Body-up reverse neutralizer Programmable top speed

Lock-up torque converter Pre-lubrication/engine Rear axle continuous lubrication/ ltration

OTHER STANDARD EQUIPMENT

Traction Control System Auto lubrication system Aux “buddy” dumping quick connect Aux steering quick connect (towing) Driveline guard Fast ll fuel system Fuel lter with water separator Ground level VIMS data port Ground level battery lockout Ground level transmission lockout Ground level engine start lockout Ground level engine shut-down High-speed crankcase oil change Reservoirs (3 separate)

Brake/Hoist, Steering/Fan,

Transmission/Converter Rock ejectors Supplemental steering (automatic) Tie-down eyes Center hitch and tow points (front),

tow pin (rear) Vandalism protection locks Vital Information Management System

(VIMS)

Includes VIMS Payload Monitor with

max payload and speed manager Hydraulic lters, 1,000 hour

sample ports

S·O·S Service points, ground level Sight level gauges for hydraulic/engine oil

ANTIFREEZE

Extended Life Coolant to –35° C (–30° F)

Page 24

797F Optional Equipment

Optional equipment may vary. Consult your Cat dealer for details.

Work Area Vision Systems (WAVS) Cabin Air Precleaner Throttle Lock Engine Delay Shutdown Timer Antifreeze/Coolant Protects to –50° C

(–58° F) Fuel Tank (7570 L/2,000 gal) SL-V Grease Injectors

Additional Retarding for Downhill Hauls Body Heat Rear Axle Lubrication Cooler External Digital Payload Display Oil Renewal System Oil Renewal System with 3 Day Tank Engine Coolant and Oil Heater for Cold

Weather Starts

Road Analysis Control (RAC) Portable Fire Extinguisher Torque Converter Guard Brake Wear Indicator Gauge Rims (wedge) Rim Guard

Page 25

Notes

Page 26

Notes

Page 27

Page 28

797F Mining Truck

For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at www.cat.com

Materials and specications are subject to change without notice. Featured machines in photos may include additional equipment. See your Cat dealer for available options.

CAT, CATERPILLAR, SAFETY.CAT.COM, their respective logos, “Caterpillar Yellow” and the “Power Edge” trade dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

AEHQ6039-02 (12-2010)

Replaces AEHQ6039-01