Milton CAT 938K User Manual

4.5 (2)

924K, 930K, 938K

Wheel Loaders

 

924K

930K

938K

Engine Model*

Cat® C6.6 ACERT™

Cat® C6.6 ACERT™

Cat® C6.6 ACERT™

Maximum Gross Power:

 

 

 

ISO 14396

109 kW (146 hp)

119 kW (160 hp)

129 kW (173 hp)

ISO 14396 (DIN)

109 kW (148 hp)

119 kW (162 hp)

129 kW (175 hp)

 

 

 

 

Bucket Capacity

1.9-5.0 m3 (2.5-6.5 yd3)

2.1-5.0 m3 (2.7-6.5 yd3)

2.5-5.0 m3 (3.3-6.5 yd3)

Full Turn Tip Load

7419 kg (16,352 lb)

8369 kg (18,444 lb)

9527 kg (20,997 lb)

 

 

 

 

Operating Weight

12 868 kg (28,360 lb)

13 829 kg (30,479 lb)

15 928 kg (35,104 lb)

*Engine meets U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards.

Experience the Difference.

Optimized Parallel Lift Z-bar Linkage

Combines the digging effi ciency of a traditional Z-bar with tool carrier capabilities for superior performance and fl exibility.

Cab and Controls

Large, spacious cab features excellent visibility to the front and rear, extremely low sound levels and low-effort ergonomic joystick controls so you can concentrate on your work. In cab adjustments are easy with intuitive controls and an easy to read optional display.

Intelligent Power Management

A smooth, step-less electronically controlled hydrostatic transmission provides adjustable power to the ground and superb groundspeed control for fast digging cycles and the fl exibility to effi ciently perform a multitude of tasks.

Powerful Predictable Hydraulics

The system senses demand and adjusts fl ow and pressure to match. Working with buckets, forks and other work tools has never been more effi cient.

Work Tools

A new line of optimized Performance Series buckets, pallet and construction forks as well as a wide range of work tools are available in a Pin-on, Fusion™ coupler or ISO 23727 coupler interface.

Serviceability

Daily service points are easily accessible from ground level. Extended service intervals and excellent service access make daily checks quick and easy, allowing you to get to work sooner.

Contents

Parallel Lift Loader Linkage...............................

4

Industry Leading Operator Station...................

5

Power Train..........................................................

6

Hydraulics ............................................................

7

Work Tools............................................................

8

Options..................................................................

9

Serviceability and Customer Support............

10

Wheel Loader Speciications .........................

11

Bucket Speciications......................................

18

Operating Speciications.................................

27

Supplemental Speciications..........................

33

Standard Equipment.........................................

34

Optional Equipment...........................................

35

2

The Cat® 924K, 930K and 938K Wheel Loaders set a new standard for productivity, fuel eficiency

and comfort. Extremely low sound levels, large spacious cab and intuitive controls keep you working comfortably all day long. The new optimized Z-bar loader linkage delivers the performance and breakout forces of a traditional Z-bar linkage with the parallelism and load handling capability of a tool carrier. Experience the new industry benchmark.

3

Parallel Lift Loader Linkage

Optimized Z-bar linkage delivers enhanced visibility with maximum productivity.

Optimized Z-bar Linkage

The new optimized patent-pending Z-bar linkage combines the digging eficiency of a traditional Z-bar with tool carrier capabilities for great performance and versatility.

• Parallel lift and high tilt forces throughout the working range help you safely and conidently handle loads with precise control.

• Linkage features excellent visibility to the bucket cutting edge and fork tips.

• High Lift versions are also available on all three models.

4

Industry Leading Operator Station

Superior visibility, ergonomics and comfort.

Best Seat on the Job Site

Enjoy all day comfort in the spacious new K Series cab:

Extremely low sound levels.

Superior visibility to the work tool due to wide curved windshield, redesigned Z-bar linkage, lines routing and work tool design.

Automatic climate control.

A heated and ventilated seat option is available for added comfort in a wide range of climates.

Seat-mounted, ergonomic joystick for lift and tilt functions. Joystick includes integrated Forward/Neutral/ Reverse switch, differential lock trigger and optional third and fourth function auxiliary hydraulics.

Easy access to the cab with ergonomically placed grab rails, walk-up steps and large platform.

Easy to Use Instrument Panel and Display

An optional* secondary display provides easy access to vital machine parameters and works in conjunction with the standard soft touch panel to allow real time adjustments.

Machine information and diagnostics at a glance.

Real time and historic fuel usage.

Backup camera display.

Help button plus 22 language capability.

Adjustment of functions such as creep, third function low, throttle and rimpull.

*Standard feature in Europe.

5

Power Train

Maximum machine power, reduced fuel consumption.

Intelligent Power Management

The Caterpillar exclusive Intelligent Power Management system actively monitors operator input and power availability to keep the machine working at peak eficiency.

Engine

The Cat® C6.6 ACERT™ engine provides cleaner, quieter operation while delivering superior performance and durability. The engine meets U.S. EPA Tier 4 Interim and EU Stage IIIB emission requirements. Maximum engine speed is now 1,800 rpm for reduced fuel consumption and lower sound levels. The engine also features:

Passive regeneration system – designed to manage itself so you don’t have to.

Diesel particulate ilter that is matched to the anticipated engine overhaul life.

Class-leading fuel eficiency, signiicantly reducing owning and operating costs.

Conigurable auto idle shut down feature as standard equipment.

Transmission

A smooth, step-less electronically controlled hydrostatic transmission provides adjustable power to the ground and superb groundspeed control for a multitude of tasks.

Four speed ranges ensure maximum controllability for any task.

Rimpull control enables you to match available tractive power to underfoot conditions, helping reduce tire wear.

Creeper control lets you adjust machine groundspeed when using work tools such as brooms, snow blowers and brushcutters.

Throttle lock feature allows you to maintain constant engine RPM regardless of machine speed.

Axles and Brakes

Fully locking front differential axles are standard and can be engaged at full torque on the go with a button on the joystick. Limited slip differentials are optional on the rear. Brake system includes independent service brakes on front and rear axles and a spring applied, electronically activated park brake.

6

Hydraulics

Smooth, eficient operation helps you get the job done faster.

Load-Sensing Hydraulic System

K Series machines feature a new electro-hydraulic control system that is governed by the Intelligent Power Management system. The load-sensing, variable low system senses work demand and adjusts low and pressure to match. This allows full hydraulic forces at any engine speed.

Programmable in-cab kick-outs are easy to set on the go for tilt, lower and lift. This feature is ideal for applications where the work cycle is repeatable.

Caterpillar exclusive electro-hydraulic snubbing at programmed kickouts and rack/dump stops greatly improves operator comfort and component life in addition to improved material retention.

Adjustable third function low through the secondary display (when equipped) for use with hydro-mechanical work tools.

Optional Ride Control System provides an even smoother ride and excellent material retention.

Designed with dedicated pumps for steering and implements so there is no compromise in cycle times and eficiency for multi-function operation.

7

Work Tools

Do more jobs with one machine.

The Right Tool for the Job

An extensive range of work tools and bucket styles are available to make your Cat Wheel Loader one of the most versatile machines on the job site.

Performance Series Buckets

Performance Series Buckets utilize a system-based approach to balance bucket shape with the machine’s linkage, weight, lift and tilt capacities. They deliver higher ill factors and better material retention for signiicant productivity and fuel eficiency improvements. The buckets feature a longer loor, open throat and curved side bars.

Additional Buckets

• Light Material

• High Dump

• Multi Purpose

• Wood Chip

• Sand and Gravel

 

Material Handling Work Tools

• Pallet Forks

• Material Handling Arm

• Construction Forks

 

Work Tools for Special Applications

• Dozer Blades

• Pipe and Pole Forks

• Snow Plows

• Side Dump Buckets

• Brooms

• Grapple Buckets

• Rakes

• Grading Buckets

• Log and Lumber Forks

 

Couplers

The Cat Fusion™ interface provides coupler lexibility without compromise in breakout force and dump clearance. The advanced wedging mechanism creates a tight, rattle-free it, eliminating play and wear for long service life. The open coupler frame design provides excellent line of sight to the work tool. An ISO 23727 coupler interface is also available for use with competitive work tools.

8

Options

Customize your machine to meet your needs.

Conigure the Machine the Way You Want It

A variety of options are available on the Cat K Series Wheel Loaders to suit your speciic application needs. See your Cat dealer for more information about the features below and additional options.

Coupler Options

High Lift Linkage

Counterweight Options

HID Lights

Turbine Precleaner

Rear Camera in Grill*

Front Light Guards

Rear Light Guards

Windshield Guard

Flexport™ Tires

3rd and 4th Function

Cold Start Package

Blue Angel Certii cation

Electric Mirror Adjustment/

Product Link

Hydraulics

 

 

Heated Mirrors*

 

Additional options include:

• Power Train Side Guards

• Lower Power Train Guard

• Driveshaft Guard

• Crankcase Guard

• Rear Waste Gate

• Full Coverage Fenders

• RESPA Cab Filtration

• Optional Toolbox

*Standard equipment in Europe.

 

9

Serviceability

Easy service to keep your machine working.

All service points are accessible from ground level. Three large service doors can be opened and closed in any order to give full access to ilters and service points. Extended service intervals reduce service time and maximize uptime. Additional service features include:

• Diesel particulate ilter that is matched for anticipated engine overhaul life. Passive regeneration system requires no operator interaction.

• Caterpillar exclusive electric fuel priming pump.

• Jump start studs as standard equipment.

• Single plane cooling system with 6 ins per inch coolers as standard.

• Swing-up air conditioner condenser for easy clean out.

• Product Link ready (standard).

Customer Support

Unmatched support makes the difference.

Renowned Cat Dealer Support

Your Cat dealer is ready to help you every step of the way. From new or used machine sales, to rental or rebuild options, your Cat dealer can provide an optimal solution to your business needs. Unsurpassed worldwide parts availability, trained technicians and customer support agreements maximize your machine uptime.

10

Milton CAT 938K User Manual

924K, 930K, 938K Wheel Loader Speciications

Engine

 

924K

 

930K

 

938K

 

Engine Model

Cat® C6.6 ACERT™

Cat® C6.6 ACERT™

Cat® C6.6 ACERT™

Maximum Gross Power

 

 

 

 

 

 

 

 

 

 

 

 

 

ISO 14396

109 kW

146 hp

119 kW

160 hp

129 kW

173 hp

 

 

 

 

 

 

 

ISO 14396 (DIN)

109 kW

148 hp

119 kW

162 hp

129 kW

175 hp

 

 

 

 

 

 

 

Rated Net Power @ 1,800 rpm

 

 

 

 

 

 

 

 

 

 

 

 

 

SAE J1349

105 kW

141 hp

115 kW

154 hp

126 kW

169 hp

 

 

 

 

 

 

 

ISO 9249 (1977)/EEC 80/1269

106 kW

142 hp

116 kW

156 hp

127 kW

170 hp

 

 

 

 

 

 

 

ISO 9249 (DIN)

106 kW

144 hp

116 kW

158 hp

127 kW

173 hp

 

 

 

 

 

 

 

Maximum Gross Torque

 

 

 

 

 

 

 

 

 

 

 

 

 

ISO 14396

725 N·m

534 lbf-ft

775 N·m

571 lbf-ft

825 N·m

608 lbf-ft

 

 

 

 

 

 

 

Maximum Net Torque

 

 

 

 

 

 

 

 

 

 

 

 

 

SAE J1349

699 N·m

515 lbf-ft

748 N·m

551 lbf-ft

802 N·m

591 lbf-ft

 

 

 

 

 

 

 

ISO 9249 (1977)/EEC 80/1269

706 N·m

520 lbf-ft

756 N·m

557 lbf-ft

811 N·m

598 lbf-ft

 

 

 

 

 

 

 

Displacement

6.6 L

402 in3

6.6 L

402 in3

6.6 L

402 in3

Bore

105 mm

4 in

105 mm

4 in

105 mm

4 in

 

 

 

 

 

 

 

Stroke

127 mm

5 in

127 mm

5 in

127 mm

5 in

Net power ratings are tested at the reference conditions for the speciied standard.

Net power shown is the power available at the lywheel when the engine is equipped with alternator, air cleaner, diesel exhaust ilter, and fan at minimum speed.

No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.

Flywheel per the SAE reference conditions when the fan is at maximum speed.

Cat C6.6 engine meets U.S. EPA Tier 4 Interim (EU Stage IIIB) emission requirements.

K Series Small Wheel Loaders have a passive regeneration system with a long life Diesel Particulate Filter.

Engine Power and Torque

924K

 

 

 

 

 

 

 

lbf-ft

N·m

 

 

 

 

 

kW

hp

 

 

 

 

 

 

 

140

 

600

800

 

Torque

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120

160

 

700

 

 

 

 

 

 

 

500

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120

 

600

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

400

 

 

 

 

 

 

 

 

 

500

 

 

 

 

 

60

80

 

 

 

 

 

 

 

300

400

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

800

1,000

1,200

1,400

1,600

1,800

rpm

 

930K

 

 

 

 

 

 

 

lbf-ft

N·m

 

 

 

 

 

kW

hp

 

 

 

 

 

 

 

140

 

600

800

 

Torque

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120

160

 

700

 

 

 

 

 

 

 

500

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120

 

600

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

400

 

 

 

 

 

 

 

 

 

500

 

 

 

 

 

60

80

 

 

 

 

 

 

 

300

400

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

800

1,000

1,200

1,400

1,600

1,800

rpm

 

938K

 

 

 

 

 

 

 

lbf-ft

N·m

 

 

 

 

 

kW

hp

 

 

 

 

 

 

 

140

 

600

800

 

Torque

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120

160

 

700

 

 

 

 

 

 

 

500

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120

 

600

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80

 

400

 

 

 

 

 

 

 

 

 

500

 

 

 

 

 

60

80

 

 

 

 

 

 

 

300

400

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

800

1,000

1,200

1,400

1,600

1,800

rpm

 

11

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