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Off-Highway Trucks

772G Off-Highway Truck

  • Engine Model
    Cat® C18 ACERT™
  • Engine Model
    Cat® C18
  • Rated Engine Speed
    1700 r/min
  • Gross Power
    605 hp
Engine
Engine Model
Cat® C18 ACERT™
Engine Model
Cat® C18
Rated Engine Speed
1700 r/min
Gross Power
605 hp
Net Power
550 hp
Net Power
550 hp
Number of Cylinders
6
Bore
5.7 in
Stroke
7.2 in
Displacement
1105 in³
Engine Power
598.0 hp
Net Torque
2221 ft-lb
Engine Power
598 hp
Weights - Approximate
Target Gross Machine Operating Weight
181000 lb
Chassis Weight
59223 lb
Body Weight
17306 lb
Target Gross Machine Weight
181000 lb
Operating Specifications
Nominal Payload Class
51.6 ton (US)
Top Speed
49.2 mile/h
Body Capacity
40.8 yd³
Maximum Payload Class
56.7 ton (US)
Not to Exceed Payload
61.9 ton (US)
Target Payload Capacity
51.6 ton (US)
Transmission
Forward
8 mile/h
Forward
10.9 mile/h
Forward
14.8 mile/h
Forward
19.8 mile/h
Forward
26.9 mile/h
Forward
36.2 mile/h
Forward
49.2 mile/h
Reverse
10.4 mile/h
Final Drives
Differential Ratio
2.74:1
Planetary Ratio
4.80:1
Total Reduction Ratio
13.14:1
Brakes
Brake Surface
216 in²
Brake Surface
7794 in²
Brake Standards
ISO 3450:1996
Body Hoists
Pump Flow
118 gal/min
Relief Valve Setting
2750 psi
Relief Valve Setting
500 psi
Body Raise Time
7.5 s
Body Lower Time
10 s
Body Power Down
10 s
Capacity - Dual Slope - 100% Fill Factor
Struck
31.3 yd³
Heaped 2
40.8 yd³
Capacity - Flat Floor - 100% Fill Factor
Struck
31.3 yd³
Heaped 2
40.9 yd³
Weight Distributions - Approximate
Front Axle
51.4 %
Front Axle
34.2 %
Rear Axle
48.6 %
Rear Axle
65.8 %
Suspension
Rear axle
8.9 °
Empty Loaded Cylinder Stroke Front
9.2 in
Empty Loaded Cylinder Stroke Rear
5.8 in
Service Refill Capacities
Fuel Tank
140 gal (US)
Cooling System
33 gal (US)
Differential
47 gal (US)
Steering Tank
14.5 gal (US)
Steering System
23 gal (US)
Brake Hoist System
60 gal (US)
Brake
38 gal (US)
Crankcase
17 gal (US)
DEF Tank
6 gal (US)
Torque Converter
17 gal (US)
Tires
Standard Tire
21.00R33 (E4)
ROPS
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
Sound Standards
Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Sound Standards
Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 115 dB(A).
Sound Standards
Operator Equivalent Sound Pressure Level (Leq) is 74 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab.
Steering
Turning Diameter
57.7 ft
Steering Standards
ISO 5010:2007
Steer Angle
31 °
Turning Circle
66.6 ft
Dimensions
Height
12.8 ft
Inside Body Depth
5.7 ft
Overall Body Length
26.8 ft
Inside Body Length
19 ft
Overall Length
28.9 ft
Wheelbase
13.0 ft
Wheel Base
13 ft
Rear Axle
9.5 ft
Ground Clearance
1.6 ft
Ground Clearance
1.6 ft
Dump Clearance
1.5 ft
Loading Height
11.6 ft
Overall Height
27.1 ft
Operating Width
15.7 ft
Centerline Front Tire Width
10.4 ft
Engine Guard Clearance
2 ft
Outside Body Width
12.9 ft
Inside Body Width
11.9 ft
Front Canopy Height
13.7 ft
Rear Axle
1.9 ft
Centerline of Rear Dual Tire Width
8.7 ft
Overall Tire Width
12.9 ft
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • ELECTRICAL
    • Alarm, backup
    • Alternator, 115 ampere
    • Auxiliary jump start receptacle
    • Batteries, maintenance-free, 12V (2), 190 amp-hour
    • Electrical system, 24V
    • 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
    • Product Link Ready
  • GUARDS
    • Driveline
    • Engine crankcase
  • OPERATOR ENVIRONMENT
    • Air conditioning
    • Ashtray and cigarette lighter
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Entertainment Radio Ready: - 5 amp converter - Speakers - Antenna - Wiring harness
    • 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
    • Heater/defroster (11 070 kCal/43,930 BTU)
    • Hoist lever
    • Horn, electric
    • Light - dome
    • Light - courtesy
    • Messenger, display unit
    • Mirrors
    • Power port, 12V
    • ROPS cab, insulated/sound suppressed
    • Seat, Cat Comfort Series III: - full air suspension - four point harness
    • Steering wheel, padded, tilt and telescopic
    • Storage compartment
    • Sun visor, tinted glass
    • Throttle lock
    • Windshield wiper (intermittent) and washer
  • POWER TRAIN
    • Air-To-Air Aftercooler (ATAAC)
    • Air cleaner with precleaner (1)
    • Automatic cold mode idle control
    • Electric start
    • Turbocharger
    • 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
    • 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
    • Suspension, front and rear
  • OTHER STANDARD EQUIPMENT
    • Body safety pin (secures body in up position)
    • Body down indicator
    • CD ROM parts book
    • Fan, hydraulic demand
    • Fuel tank (530 L/140 gal)
    • Guard, engine compartment
    • Guard, mud
    • Ground level battery disconnect
    • Ground level engine shutdown
    • Ground level grease fittings
    • Reservoirs (separate): - Brake/converter/hoist - Steering - Transmission/torque converter
    • Rims 15 × 33
    • Rock ejectors
    • Service platform, left and right side
    • Supplemental steering (automatic)
    • Tie down eyes
    • Tow hooks (front)/Tow pin (rear)
    • Vandalism protection locks
  • ANTIFREEZE
    • Extended Life Coolant to -35° C (-30° F)