772 (07) Off-Highway Truck
At a Glance
Nominal Payload Class (100%)
51.6 ton (US)
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Engine Model
Cat® C18
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Top Speed - Loaded
49.2 mile/h
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Rated Engine Speed
1700 r/min
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Machine Comparison
Overview
Operating Specifications
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Nominal Payload Class (100%) |
51.6ton (US) |
Top Speed - Loaded |
49.2mile/h |
Maximum Payload Class (110%) |
56.7ton (US) |
Body Capacity - SAE 2:1 |
40.8yd³ |
Target Payload Capacity |
51.6ton (US) |
Not to Exceed Payload (120%) |
61.9ton (US) |
Body Capacity (SAE 2:1)** |
40.8yd³ |
Engine
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Engine Model |
Cat® C18 |
Rated Engine Speed |
1700r/min |
Gross Power - SAE J1995 |
605HP |
Net Power - SAE J1349 |
550HP |
Net Power - ISO 9249 |
550HP |
Number of Cylinders |
6 |
Bore |
5.7in |
Stroke |
7.2in |
Displacement |
1105in³ |
Net Torque - SAE J1349 |
2221ft-lb |
Engine Power - ISO 14396 |
598HP |
Weights - Approximate
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Target Gross Machine Operating Weight |
181000lb |
Chassis Weight |
59223lb |
Body Weight |
17306lb |
Target Gross Machine Weight |
181000lb |
Weight Distributions - Approximate
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Front Axle - Empty |
51.4% |
Front Axle - Loaded |
34.2% |
Rear Axle - Empty |
48.6% |
Rear Axle - Loaded |
65.8% |
Transmission
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Forward - 1 |
8mile/h |
Forward - 2 |
10.9mile/h |
Forward - 3 |
14.8mile/h |
Forward - 4 |
19.8mile/h |
Forward - 5 |
26.9mile/h |
Forward - 6 |
36.2mile/h |
Forward - 7 |
49.2mile/h |
Reverse |
10.4mile/h |
Final Drives
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Differential Ratio |
2.74:1 |
Planetary Ratio |
4.80:1 |
Total Reduction Ratio |
13.14:1 |
Brakes
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Brake Surface - Front |
216in² |
Brake Surface - Rear |
7794in² |
Brake Standards |
ISO 3450:1996 |
Service Refill Capacities
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Fuel Tank |
140gal (US) |
Cooling System |
33gal (US) |
Differential - Final Drives |
47gal (US) |
Steering Tank |
14.5gal (US) |
Steering System - Including Tank |
23gal (US) |
Torque Converter - Transmission System |
17gal (US) |
Brake Hoist System |
60gal (US) |
DEF Tank |
6gal (US) |
Crankcase |
17gal (US) |
Brake/Hoist Hydraulic Tank |
38gal (US) |
Body Hoists
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Pump Flow - High Idle |
112gal/min |
Relief Valve Setting - Raise |
2750psi |
Relief Valve Setting - Lower |
500psi |
Body Raise Time - High Idle |
8s |
Body Lower Time - Float |
10s |
Body Power Down - High Idle |
10s |
Suspension
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Rear axle - Oscillation |
8.9° |
Empty Loaded Cylinder Stroke Front |
9.2in |
Empty Loaded Cylinder Stroke Rear |
5.8in |
Capacity - Dual Slope - 100% Fill Factor
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Heaped 2:1 (SAE) |
40.8yd³ |
Struck |
31.3yd³ |
Capacity - Flat Floor - 100% Fill Factor
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Struck |
31.3yd³ |
Heaped 2:1 (SAE) |
40.9yd³ |
ROPS
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FOPS Standards |
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. |
ROPS Standards |
ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. |
Sound
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Sound Standards (3) |
Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. |
Sound Standards (2) |
Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). |
Sound Standards (1) |
Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. |
Steering
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Turning Diameter - Front |
57.7ft |
Steering Standards |
ISO 5010:2007 |
Steer Angle |
40.5° |
Turning Circle - Clearance Diameter |
66.6ft |
Dimensions
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Height - Top of ROPS |
12.8ft |
Inside Body Depth - Maximum |
5.7ft |
Overall Body Length |
26.8ft |
Inside Body Length |
19ft |
Overall Length |
28.9ft |
Wheel Base |
13ft |
Rear Axle - Tail |
9.5ft |
Ground Clearance |
1.6ft |
Dump Clearance |
1.5ft |
Loading Height - Empty |
11.6ft |
Overall Height - Body Raised |
27.1ft |
Operating Width |
15.7ft |
Centerline Front Tire Width |
10.4ft |
Engine Guard Clearance |
2ft |
Outside Body Width |
12.9ft |
Inside Body Width |
11.9ft |
Front Canopy Height |
13.7ft |
Rear Axle - Clearance |
1.9ft |
Centerline of Rear Dual Tire Width |
8.7ft |
Overall Tire Width |
12.9ft |
Tires
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Standard Tire |
21.00R33 (E4) |
Standard Equipment:
Note
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Standard and optional equipment may vary. Consult your Cat dealer for details.
Electrical
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Alarm, backup
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Alternator, 115 ampere
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Auxiliary jump start receptacle
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Batteries, maintenance-free, 12V (2), 190 amp-hour
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Electrical system, 24V
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Lighting system: - Backup light (halogen) - Directional signals/hazard warning (front and rear LED) - Headlights, (halogen) with dimmer - Operator access courtesy lights (Developing Market Only)
Product Link™ Communications
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Guards
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Driveline
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Engine crankcase
Operator Environment
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Air conditioning
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Ashtray and cigarette lighter
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Coat hook
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Cup holders (4)
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Diagnostic connection port, 24V
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Entertainment Radio Ready: - 5 amp converter - Speakers - Antenna - Wiring harness
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Gauges/indicators: - Air cleaner service indicator - electronic - Brake oil temperature gauge - Coolant temperature gauge - Hour meter - Tachometer - Engine overspeed indicator - Fuel level - Speedometer with odometer - Transmission gear indicator
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Heater/defroster (11 070 kCal/43,930 BTU)
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Hoist lever
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Horn, electric
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Light - dome
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Light - courtesy
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Messenger, display unit
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Mirrors
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Power port, 12V
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ROPS cab, insulated/sound suppressed
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Seat, Cat Comfort Series III: - full air suspension - four point harness
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Steering wheel, padded, tilt and telescopic
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Storage compartment
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Sun visor, tinted glass
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Throttle lock
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Windshield wiper (intermittent) and washer
Power Train
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Air-To-Air Aftercooler (ATAAC)
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Air cleaner with precleaner (1)
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Automatic cold mode idle control
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Electric start
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Turbocharger
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Braking system, hydraulic actuated: - Automatic Retarder Control (ARC) (utilizes rear oil-cooled, multiple disc brakes) - Brake release motor (towing) - Caliper-disc (front) - Oil-cooled, multiple disc (rear) - Parking - Secondary - Service
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Transmission: - 7 speed automatic powershift - Body up shift inhibitor - Controlled throttle shifting - Directional shift management - Downshift inhibitor - Neutral start switch - Neutral coast inhibitor - Reverse shift inhibitor - Reverse neutralizer during dumping - Programmable top gear selection
Suspension Systems
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Suspension, front and rear
Other Standard Equipment
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Body safety pin (secures body in up position)
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Body down indicator
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CD ROM parts book
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Fan, hydraulic demand
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Fuel tank (530 L/140 gal)
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Guard, engine compartment
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Guard, mud
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Ground level battery disconnect
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Ground level engine shutdown
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Ground level grease fittings
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Reservoirs (separate): - Brake/converter/hoist - Steering - Transmission/torque converter
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Rims 15 × 33
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Rock ejectors
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Service platform, left and right side
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Supplemental steering (automatic)
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Tie down eyes
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Tow hooks (front)/Tow pin (rear)
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Vandalism protection locks
Antifreeze
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Extended Life Coolant to -35° C (-30° F)
Optional Equipment: