Tractor Cat
Scraper Cat
Tractor Engine Heaped Capacity 18.3 m
Max. Power 304 kW 407 hp Rated Load 67 040 kg 147,798 lb
®
C13 ACERT™ Max. Power 216 kW 290 hp
®
C9.3 ACERT™ Scraper Bowl
3
24 yd
3
Page 2
627H Features
Economical Hauling System
The wheel tractor-scraper, with its ability to load
quickly, haul at high speeds and dump on the go,
has the potential to be the most profitable hauling
system on the job site. This efficiency can result in
fewer machines on the job, reduced operating costs
and jobs delivered in a shorter period of time.
Power Train
Caterpillar designed and manufactured power
train components deliver the power necessary
forfastloading and quick hauls.
Operator Station
Single joystick control of implements, adjustable
arm rests, seat, steering column and room to
maneuver all reduce fatigue and increase operator
comfort and productivity throughout the shift.
Cushion Hitch
The cushion hitch is a Caterpillar proven system
for protecting components of the hitch and improving
ride quality, dampening loads that might otherwise
be carried through the frame tothe operator.
Cushion hitch offers operators a more comfortable
haul portion of the work cycle.
Durability
Cat wheel tractor-scrapers have a history of robust
structural design, tested and validated to last in
the most rugged loading and hauling conditions.
Contents
Operator’s Station ...............................................3
Quick loading, high travel speeds and the ability to load
and dump on the run yield fast cycle times, allowing
Cat Wheel Tractor-Scrapers to consistently deliver high
productivity at the lowest cost per ton.
Page 3
Operator’s Station
Ergonomically designed for all-day comfort, control and productivity.
Ergonomic Layout
The all new H 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 facilitate a reduction in operator fatigue.
Viewing Area
Designed for excellent all-around visibility and clear sight lines to the job site, the large viewing area offers
exceptional visibility to the front of the machine as well as to the cutting edge. The air conditioning unit
has been relocated to beneath the cab, allowing the operator enhanced visibility.
1) Angled Steering Wheel for enhanced comfort while loading. 2) Lunchbox Storage Platform with Strap.
3) Sequence Assist, Load Assist, and Cat® Grade Control Controls (optional). 4) Work Area Vision
System (WAVS) (optional). 5) Cat Messenger Display. 6) Implement Control Lever. 7) Cat Grade
Control Display (optional). 8) Transmission Controls. 9) Cat Comfort Seat. 10) Coat Hook.
11)DomeCourtesy Light. 12) Rearview Mirror. 13) Radio-Ready. 14) Heating and Air Conditioning.
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Page 4
Operator Comfort
High productivity from a comfortable, confident operator.
Spacious Cab
With a 21% larger cab, H Series scrapers offer a comfortable
working space. The larger cab and wider door make getting
in and out of the cab easier. The increased glass area enhances
visibility around the machine.
Steering Column
The steering column and pedals have been relocated for
morecomfortable operation when the seat is angled during
machine operation. The telescopic and tilt adjustable steering
column maintains a comfortable driving position regardless
of operator size.
Standard Comfort Features
The H Series cab is equipped with features designed to
maintain operator comfort. Standard comfort features
include: coat hook, lunchbox storage platform with strap,
airconditioning, heat, and radio-ready.
Seat Options
H Series scrapers use the Cat Comfort Seat with additional
travel to allow the operator to position themselves for optimal
comfort and productivity. The seat rotates up to 30 degrees
to the right for a more comfortable position during loading
and 30 degrees to the left to make getting in and out of the
cab easier.
For unparalleled ride comfort, H Series scrapers are
equipped with the Cat Advanced Ride Management (ARM)
seat suspension which uses an active suspension to dampen
vibration and minimize end-of-stroke shock loads to
theoperator.
Integrated Technologies
The optional Sequence Assist, Load Assist, and Cat Grade
Control automate many repetitive operator tasks.
T-Handle Implement Control Lever
The redesigned control lever puts all of the scraper functions
in the palm of the operator’s hand. The low-effort lever and
convenient push-button and thumb wheel controls are
ergonomically placed for minimum arm movement.
Page 5
Power Train – Engine
The Cat® C13 ACERT™ and C9.3 ACERT engines are built for power,
reliabilityand efficiency.
ACERT Technology
The Cat® C13 ACERT™ engine in the tractor and C9.3 ACERT engine in the scraper continue the
evolutionary, incremental improvements that provide breakthrough engine technology built on systems
and components developed by Caterpillar with proven reliability. Both engines are available with either
U.S. EPA Tier 3/EU Stage IIIA equivalent emission configurations or U.S. EPA Tier 4 Interim/
EUStageIIIB certified emission configurations to meet the needs of contractors around the world.
Emissions
Machines equipped with engines meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards are
equipped with a Cat Clean Emission Module to deliver the performance and efficiency that customers
demand while meeting emission requirements. Machines equipped with the U.S. EPA Tier 3/EU StageIIIA
equivalent engines are equipped with a muffler in place of the Cat Clean Emission Module.
Cat Clean Emission Module (CEM)
CEM is an exhaust aftertreatment package consisting of a diesel particulate filter, and control systems.
The CEM reduces particulate emissions using passive and active regeneration during normal engine operation.
Cat NOx Reduction System (NRS)
The Cat NOx Reduction System (NRS) captures and cools a small quantity of exhaust gas, then routes it
into the combustion chamber where it drives down combustion temperatures and reduces NOx emissions.
Diesel Particulate Filter Regeneration
Regeneration is the removal of soot from the Diesel Particulate Filter (DPF). The Aftertreatment
Regeneration Device (ARD) is used to regenerate the DPF. The DPF traps both particulates and ash,
the ash is removed at regular service intervals.
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Power Train – Transmission
More power to the ground for greater productivity.
Electronic Transmission
The Cat eight-speed forward one-speed reverse Electronic
Clutch Pressure Controlled (ECPC) transmission features
enhanced shift control logic with anti-hunt shift strategy
forspeed continuity, and to ensure constant shift times.
• Tractor gears 1-2 – converter drive for increased torque,
gears 3-8 – direct-drive for drive train efficiency.
Scrapergears use converter drive for more torque
inthecut.
• Transmission Hold maintains converter drive for
maximum rimpull or holds current gear for best control.
• Programmable Top Gear manually sets top gear
available (3rd-8th) to match conditions or speed.
• Neutral Coast Inhibitor prevents transmission shifts
intoneutral while moving.
Smooth Transmission Gear Shifting
The 627H features ECPC Shift Torque Management (STM),
with improved Shift Control Logic (SCL) and Part Throttle
Shifting (PTS). These features allow smoother shifting and
greater acceleration on grades while torque is maintained
through the shift changes. SCL also provides automatic
shiftselection that is more specific to the desired machine
operation, and downshifts when needed for maximum
acceleration when increased throttle is applied. PTS allows
shifting at lower speeds during part throttle operation,
resulting in improved part throttle fuel economy, quieter
machine operation, and better maneuvering in reduced
speedoperating conditions.
Brake Performance
The 627H uses hydraulically-actuated wet disc brakes for
exceptional brake performance. The standard Cat Engine
Brake reduces brake wear and enhances machine control.
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3
2
1
5
Structures
Superior design and construction delivers long term durability.
Cushion Hitch
Electronically actuated with parallelogram-type linkage for exceptional strength, with two nitrogen
accumulators (4) using free-floating pistons (8) to deliver a smooth ride for enhanced operator comfort
and machine durability.
• leveling valve (7) applies pressure via an orifice (5) to automatically center the piston in load
cylinder (1)
• steel castings are used to eliminate many welded joints and increase strength
• double-kingbolt design (2, 3) withstands high external forces, simplifies installation and removal
4
4
8
7
8
6
Lockout Switch
An operator-selectable lockout switch, located on the joystick, locks the cushion hitch down for
improved control of the cutting edge during loading and dumping.
Nitrogen Accumulator
Vertically mounted hydraulic cylinder transfers road shocks to nitrogen accumulators.
Nitrogenaccumulator absorbs and dampens road shocks, thus preventing the loads from
beingtransmitted to the hitch components or to the operator.
Non-Metallic Fenders and Fuel Tank
The new fuel tank is made of recyclable roto-milled polyethylene and keeps the fuel cleaner with
controlled filtration and cleanout access ports. The new fuel tanks have increased capacities,
providingoperators with 10 plus hour shifts depending on engine load factors.
The new tractor fenders are made of the same highly durable, roto-milled polyethylene.
The non-metallic fenders prevent material buildup when operating in sticky materials.
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Scraper Bowl
Caterpillar designed and built for rugged performance and reliability.
Redesigned Bowl
The 627H uses a new bowl design than enhances productivity through a 9% increase in bowl capacity
over previous models. The low profile design offers low resistance to incoming materials, while cellular
constructions adds strength and dent resistance to the bowl sides and floor.
Hydraulic Lines Protection
Hydraulic lines durability is increased by routing them through the bowl sidewalls where they are
protected from damage on the job site.
Ejection System
The powerful ejection system provides constant spreading control while minimizing carryback material.
An overflow guard on the ejector helps retain material and keep it from spilling over onto the rear of
thescraper.
Cutting Edges and Cat Ground Engaging Tools (GET)
A variety of Ground Engaging Tools (G.E.T.) options are available to optimize the machine for
different material types and loading conditions. GET options include standard, serrated, and abrasion
resistant material (ARM). Most are reversible to provide long life and reduced operating costs.
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Loading Options
Flexible loading options to adapt to changing job site conditions.
Self-Loading
The 627H is an excellent self-loading hauling system using the combined power of two engines
toquickly and efficiently load the bowl in most materials.
Push-Loading
To prevent tire wear in abrasive material, the 627H can be push-loaded with a D8- or D9-size
Track-Type Tractor.
Push-Pull
The push-pull arrangement is recommended for applications that require a large amount of material
tobe moved very quickly at low cost per bank cubic meter (bank cubic yard). The push-pull arrangement
concentrates the combined power of two machines onto one cutting edge. Push-pull scrapers work in
pairs where the lead scraper is pushed through the cut by the trailing scraper. When the lead scraper
isfully loaded, the trailing scraper lowers its bowl and is pulled through the cut by the lead scraper.
Theresult is a self-loading system.
The push-pull arrangement features a hydraulically-actuated bail and cushioned plate, which are bolted
to the front of the tractor, and a hook that is attached to the rear of the scraper. Working together,
push-pull scrapers can provide the lowest cost per meter (yard) for many applications.
Page 10
Integrated Technologies
Technology options to improve operator comfort and increase productivity.
Sequence Assist
Sequence Assist uses integrated software and position-sensing
cylinders to automate many of the tasks an operator performs
when loading, hauling and dumping. The operator simply
sets preferences for bowl and apron height and subsequently
pushes a button to ready the machine for loading, then
hauling, then dumping, and then the return to cut. The system
automatically sets the cushion hitch, bowl height, apron and
ejector. Sequence Assist comes with a convenient load
counter for tracking material moved.
With Sequence Assist, up to 14 individual implement and
machine commands are replaced by four touches of a button,
allowing the operator additional time to prepare for the
loading cycle and observation of the job site.
Load Assist
Load Assist builds on Sequence Assist by loading the bowl
with the push of a button. As the machine enters the cut,
theoperator can activate Load Assist so the system takes
over control of the cutting edge height, limiting tire spin
based on integrated sensors and GPS technology to ensure
consistent and full bowl loads. The operator is responsible
only for the throttle, steering, and operating the apron.
LoadAssist helps make inexperienced operators productive
very quickly.
10
Cat Grade Control
Cat Grade Control is an automatic system that helps you
control costs by moving the maximum amount of material
with the prime earthmover which often provides the lowest
cost per unit of material moved. Using satellite positioning
technology, the automatic system ensures cut protection by
limiting how deep the scraper will dig. The optional system
isavailable from the factory and fully integrated into the
machine and works seamlessly with Sequence Assist and
Load Assist.
Additional benefits of Cat Grade Control include putting the
site plan in front of the operator for increased efficiency and
elimination of rework and using the scraper for site mapping.
Work Area Vision System (WAVS)
Cameras on the machine provide views of the cutting edge,
right side and rear. The system enhances safety and provides
a new way to see the cutting edge during loading and to see
to the rear of the machine when performing push-load or
push-pull work with another scraper.
Page 11
Complete Customer Support
Cat® dealer services help you operate longer with lower costs.
Selection
Make comparisons of the machines you are considering before you buy. Your Cat® dealer can help.
Purchase
Consider the resale value, compare productivity and day-to-day operating costs and fuel consumption.
Operation
For the best operating techniques to increase productivity and your profit, turn to your Cat dealer for
the latest training literature and trained staff.
Maintenance
Repair option programs guarantee the cost of repairs up front. Diagnostic programs such as S·O·S
and Technical Analysis help you avoid unscheduled repairs.
Replacement
Repair or rebuild? Your Cat dealer can help you evaluate the costs so you can make the right choice.
Product Support
Your local Cat dealership will be with you every step of the way with its unsurpassed worldwide parts
support, trained technicians and customer support agreements.
SM
cat.com
For more complete information on Cat products, dealer services and industry solutions, visit us on the
web at www.cat.com
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Safety
Safety is an integral part of all machine and system designs.
Powered Access Ladder
A new powered access system option significantly reduces the effort required to climb into the cab.
Thesystem is a solid, stable angled ladder that folds out from underneath the cab. It is activated from a
keypad located behind a service door at ground level. Controls are also located in the cab on a keypad.
The ladder provides a rigid and angled base of support for easier climbing and descent. For added safety,
the steps are illuminated by LED lights.
An actuator under the cab operates the step. When not in use, the ladder retracts under the cab. An audible
alarm sounds if the machine moves while the ladder is down. If power fails on the machine, the operator
can raise or lower the steps manually using a lever inside the cab or outside next to the ladder’s top step.
Access and Egress
Handrails and grab irons are provided for safe and secure entrance and exit of the cab as well as for
performing daily maintenance.
Work Area Vision System (WAVS)
Cameras on the machine provide views of the cutting edge, right side and rear. The system enhances
safety and provides a new way to see the cutting edge during loading and to see to the rear of the
machine when performing push-load or push-pull work with another scraper.
Max. Power 304 kW 407 hp Max. Power 216 kW 290 hp
(AllGears) (AllGears)
(ISO14396) (ISO14396)
Max. Power 1,700 rpm Max. Power 1,900 rpm
Reference Reference
EngineSpeed EngineSpeed
Displacement 12.5 L 763 in
Bore 130 mm 5.1 in Bore 115 mm 4.5 in
Stroke 157 mm 6.2 in
• Max. power advertised is the max. power
available at max. power reference engine
speed of 1,700 rpm, measured at the
ywheel when the engine is equipped with
air cleaner, alternator, and exhaust losses.
Tractor Engine – Prior U.S. EPA
Tier3/EU Stage IIIA configuration*
Tractor Engine Cat® C13 ACERT™
Max. Power 304 kW 407 hp
(AllGears)
(ISO14396)
Max. Power 1,700 rpm
Reference
EngineSpeed
Displacement 12.5 L 763 in
Bore 130 mm 5.1 in
Stroke 157 mm 6.2 in
• Max. power advertised is the max. power
available at max. power reference engine
speed of 1,700 rpm, measured at the
ywheel when the engine is equipped with
air cleaner, alternator, and exhaust losses.
* For jurisdictions other than the U.S.
andthe European Union.
3
Displacement 9.29 L 567 in
Stroke 149 mm 5.9 in
• Max. power advertised is the max. power
available at max. power reference engine
speed of 1,900 rpm, measured at the
ywheel when the engine is equipped with
air cleaner, alternator, and exhaust losses.
Scraper Engine – Prior U.S. EPA
Tier3/EU Stage IIIA configuration*
Tractor Engine Cat® C9 ACERT
Max. Power 216 kW 290 hp
(AllGears)
(ISO14396)
Max. Power 1,900 rpm
Reference
EngineSpeed
3
Displacement 9.29 L 567 in
Bore 115 mm 4.5 in
Stroke 149 mm 5.9 in
• Max. power advertised is the max. power
available at max. power reference engine
speed of 1,900 rpm, measured at the
ywheel when the engine is equipped with
air cleaner, alternator, and exhaust losses.
* For jurisdictions other than the U.S.
andthe European Union.
Heaped Capacity 18.4 m
Rated Load 26 127 kg 57,600 lb
Struck Capacity 13 m
Maximum Depth 315 mm 12.4 in
of Cut
Width of Cut, 3136 mm 123.5 in
Outside Router Bits
Maximum Ground 594 mm 23.4 in
3
Clearance at
Cutting Edge
Thickness of 22 mm 0.9 in
Cutting Edge
Maximum 580 kN 130,390 lbf
Hydraulic
Penetration Force
Operating Weight– 40 500 kg 89,287 lb
full fuel tanks
Loaded, based 66 627 kg 146,887 lb
ona rated load
Push-Pull
Shipping Weight– 40 741 kg 89,818 lb
10%Fuel
Operating Weight–
full fuel tanks
Loaded, based
ona rated load
41 722 kg 91,981 lb
67 882 kg 149,654 lb
• Steering System meets ISO 5010:2007
forup to a maximum approved
operatingweight
• Brakes meet ISO 3450:1996 for up to a
maximum approved operating weight
• Rollover Protective Structure (ROPS) is
certied to a tractor only mass of 18800kg
(41,447 lb) as tractor portion of tractorscrapers per Table 1 of ISO 3471:2008.
Thisexcludes scraper weight and payload.
• Falling Object Protective Structure (FOPS)
meets ISO 3449:2005 Level II
• Seat Belts meet SAE J386 June 1985
• Forward and Reverse Alarms meet
ISO9533:1989
• The dynamic operator sound pressure level
is 76 dB(A) when “ISO 6396:2008” is used
to measure the value for an enclosed cab.
The measurement was conducted at 100%
of the maximum engine cooling fan speed.
The sound level may vary at different
engine cooling fan speeds. Thecab was
properly installed and maintained.
Themeasurement was conducted with
thecab doors and the cab windows closed.
Thecab was properly installed and
maintained. Hearing protection may
beneeded when the machine is operated
with an open operator station for extended
periods or in a noisy environment.
Hearingprotection may be needed when
themachine is operated with a cab that
isnot properly maintained or when the
doors and windows are open for extended
periods or in a noisy environment.
• The average exterior sound pressure level
is80 dB(A) when the “SAE J88 FEB06–
Constant Speed Moving Test” procedure is
used to measure the value for the standard
machine. The measurement was conducted
under the following conditions: distance
of15 m (49.2 ft) and “the machine moving
forward in an intermediate gear ratio.”
• The exterior sound power level is 113 dB(A)
when the value is measured according to
thestatic pressure test procedures and
theconditions that are speci ed in
“ISO6393:2008.”
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Dimensions
All dimensions are approximate.
1 32
8
5
4
7
6
11
mmin mmin
Width – overall machine 3565 140.4
1
Width – tractor (ladder down) 3688 145.2
2
Width – tractor 3381 133.1
3
Width – rear tire centers 2290 90.2
4
Width – inside bowl 3048 120.0
5
Width – outside rear tires 3165 124.6
6
Height – overall shipping 4029 158.6
7
Height – top of cab 3612 142.2
8
10
9
Front of tractor to front axle 3119 122.8
9
Ground clearance, tractor 557 21.9
10
Axle to vertical hitch pin 540 21.3
11
Height – scraper blade maximum 540 21.3
12
Wheelbase 7998 314.9
13
Length – overall machine (standard) 14 015 551.8
14
Length – maximum (push-pull) 15 575 613.2
15
Rear axle to rear of machine 2898 114.1
16
12
13
14
15
16
15
Page 16
627H Wheel Tractor-Scraper Specifications
627H Rimpull
GROSS WEIGHT
lb X
1000
150
140
130
kg X
1000
0 20 40 60 80 100 120 140 160
010 20 30 40 50 60 70 80
70
65
60
E
lb X 1000
kg X 1000
L
120
110
100
90
80
70
RIMPULL
60
50
40
30
20
10
55
50
1
45
40
35
30
25
2
20
15
10
5
0 5 10 15 20 25 30 35 40 45 50 55
0 5 10 15 20 25 30
3
4
5
6
7
8
SPEED
30%
25%
20%
15%
10 %
5%
(Grade Plus Rolling)
TOTAL RESISTANCE
km/h
mph
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Page 17
627H Retarding*
0 20 40 60
GROSS WEIGHT
80 100 120 140 160
lb X 1000
0 10 20 30 40 50 60 70 80
30%
E
L
kg X 1000
25%
3
20%
4
15%
5
6
7
10%
8
Effective Grade
(Grade minus Rolling Resistance)
5%
0 5 10 15 20 25 30 35 40 45 50 55 60
0 5101520253035
* at sea level on high setting
SPEED
km/h
mph
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Page 18
627H Standard Equipment
Standard equipment may vary. Consult your Cat dealer for details.
POWER TRAIN
TRACTOR:
C13 ACERT engine with MEUI
Cat Engine Brake
Electric start, 24 Volt
Air cleaner, dry type with precleaner
Fan, hydraulic
Diesel Particulate Filter (DPF)
Materials and specications 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.
AEHQ6716 (03-2012)
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