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772G Off-Highway Truck Specifications
Engine Model Cat® C18 ACERT™
Engine Model Cat® C18 ACERT™
Rated Engine Speed 1700 r/min
Gross Power - SAE J1995 605 HP

Engine

Engine Model
Cat® C18 ACERT™
Engine Model
Cat® C18 ACERT™
Rated Engine Speed
1700 r/min
Gross Power - SAE J1995
605 HP
Net Power - SAE J1349
550 HP
Net Power - ISO 9249
550 HP
Number of Cylinders
6
Bore
5.7 in
Stroke
7.2 in
Displacement
1105 in³
Engine Power - ISO 14396
598.0 hp
Net Torque - SAE J1349
2221 ft-lb
Engine Power - ISO 14396
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 (100%)
51.6 ton (US)
Top Speed - Loaded
49.2 mile/h
Body Capacity - SAE 2:1
40.8 yd³
Maximum Payload Class (110%)
56.7 ton (US)
Not to Exceed Payload (120%)
61.9 ton (US)
Target Payload Capacity
51.6 ton (US)

Transmission

Forward - 1
8 mile/h
Forward - 2
10.9 mile/h
Forward - 3
14.8 mile/h
Forward - 4
19.8 mile/h
Forward - 5
26.9 mile/h
Forward - 6
36.2 mile/h
Forward - 7
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 - Front
216 in²
Brake Surface - Rear
7794 in²
Brake Standards
ISO 3450:1996

Body Hoists

Pump Flow - High Idle
118 gal/min
Relief Valve Setting - Raise
2750 psi
Relief Valve Setting - Lower
500 psi
Body Raise Time - High Idle
7.5 s
Body Lower Time - Float
10 s
Body Power Down - High Idle
10 s

Capacity - Dual Slope - 100% Fill Factor

Struck
31.3 yd³
Heaped 2:1 (SAE)
40.8 yd³

Capacity - Flat Floor - 100% Fill Factor

Struck
31.3 yd³
Heaped 2:1 (SAE)
40.9 yd³

Weight Distributions - Approximate

Front Axle - Empty
51.4 %
Front Axle - Loaded
34.2 %
Rear Axle - Empty
48.6 %
Rear Axle - Loaded
65.8 %

Suspension

Rear axle - Oscillation
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 - Final Drives
47 gal (US)
Steering Tank
14.5 gal (US)
Steering System - Including Tank
23 gal (US)
Brake Hoist System
60 gal (US)
Brake/Hoist Hydraulic Tank
38 gal (US)
Crankcase
17 gal (US)
DEF Tank
6 gal (US)
Torque Converter - Transmission System
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 (1)
Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Sound Standards (2)
Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 115 dB(A).
Sound Standards (3)
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 - Front
57.7 ft
Steering Standards
ISO 5010:2007
Steer Angle
31 °
Turning Circle - Clearance Diameter
66.6 ft

Dimensions

Height - Top of ROPS
12.8 ft
Inside Body Depth - Maximum
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 - Tail
9.5 ft
Ground Clearance
1.6 ft
Ground Clearance
1.6 ft
Dump Clearance
1.5 ft
Loading Height - Empty
11.6 ft
Overall Height - Body Raised
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 - Clearance
1.9 ft
Centerline of Rear Dual Tire Width
8.7 ft
Overall Tire Width
12.9 ft
  • 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)