772G Off-Highway Truck

Nominal Payload Class (100%)
51.6 tons
Top Speed - Loaded
49.2 mph
Engine Model
Cat® C18 ACERT™
Net Power - SAE J1349
550.0 hp

Specs

Operating Specifications

Nominal Payload Class (100%)
51.6tons
Top Speed - Loaded
49.2mph
Target Payload Capacity
51.6tons
Nominal Water Tank Capacity
11000gal
Nominal Water Tank Capacity
11000gal (US)

Engine

Engine Model
Cat® C18 ACERT™
Net Power - SAE J1349
550.0hp
Net Power - ISO 9249
550.0hp
Engine Power - ISO 14396
598.0hp
Net Torque - SAE J1349
2221.0ft-lb
Rated Engine Speed
1700r/min
Gross Power - SAE J1995
605HP
Number of Cylinders
6
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Engine Model
Cat® C18
Rated Net Power - SAE J1349
550HP
Note
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.

Weights - Approximate

Target Gross Machine Operating Weight
181000.0lb
Chassis Weight
59223.0lb
Target Gross Machine Weight
181000.0lb

Final Drives

Differential Ratio
2.74:1
Planetary Ratio
4.80:1
Total Reduction Ratio
13.14:1

Brakes

Brake Standards
ISO 3450:1996
Brake Surface - Front
216in²
Brake Surface - Rear
7794in²

Service Refill Capacities

Steering Tank
14.5gal
DEF Tanks
6.0gal
Fuel Tank
140.0gal
Cooling System
33gal (US)
Differential - Final Drives
47gal (US)
Steering System - Including Tank
60gal (US)
Brake Hoist System
60gal (US)
Brake/Hoist Hydraulic Tank
38gal (US)
Crankcase
17gal (US)
Torque Converter - Transmission System
17gal (US)
Fuel Tank Capacity
140gal (US)

Hoists

Pump Flow - High Idle
118.0gal/min
Relief Valve Setting - Raise
2750.0psi
Relief Valve Setting - Lower
500.0psi
Raise Time - High Idle
7.5Seconds
Lower Time - Float
10.0Seconds
Power Down - High Idle
10.0Seconds

Suspension

Rear Axle Oscillation
8.9Degrees
Empty Loaded Cylinder Stroke Front
9.2in
Empty Loaded Cylinder Stroke Rear
5.8in

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.

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.
Tractor ROPS
77430lb
Tractor ROPS
77430lb

Dimensions

Height to Top of ROPS
12.8ft
Wheelbase
13.0ft
Ground Clearance
1.6ft
Centerline Front Tire Width
10.4ft
Engine Guard Clearance
2.0ft
Rear Axle Clearance
1.9ft
Centerline Rear Dual Tire Width
8.7ft
Overall Tire Width
12.9ft

Steering

Turning Diameter - Front
57.7ft
Steering Standards
ISO 5010:2007
Steer Angle
31°
Turning Circle - Clearance Diameter
66.6ft
Turning Diameter
57.7ft

Tires

Standard Tire
21.00R33 (E4)

Transmission

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
Note
Maximum travel speeds with standard 21.00R33 (E4) tires.

Weights

LRC Bare Chassis Weight with Hoist
59223lb
LRC Gross Vehicle Weight (Target) with Hoist
180999lb
LRC Bare Chassis Weight without Hoist
58414lb
LRC Gross Vehicle Weight (Target) without Hoist
180999lb
Tier 4 Bare Chassis Weight with Hoist
60376lb
Tier 4 Gross Vehicle Weight (Target) with Hoist
180999lb
Tier 4 Bare Chassis Weight without Hoist
59567lb
Tier 4 Gross Vehicle Weight (Target) without Hoist
180999lb
Tier 4 Bare Chassis Weight without Hoist
59567lb
LRC Bare Chassis Weight with Hoist
59223lb
LRC Bare Chassis Weight without Hoist
58414lb
LRC Gross Vehicle Weight (Target) with Hoist
180999lb
LRC Gross Vehicle Weight (Target) without Hoist
180999lb
Tier 4 Bare Chassis Weight with Hoist
60376lb
Tier 4 Gross Vehicle Weight (Target) with Hoist
180999lb
Tier 4 Gross Vehicle Weight (Target) without Hoist
180999lb
HRC Bare Chassis Weight without Hoist
59567lb
HRC Bare Chassis Weight with Hoist
60376lb
HRC Gross Vehicle Weight (Target) with Hoist
180999lb
HRC Gross Vehicle Weight (Target) without Hoist
180999lb
Note
LRC model is offered for lesser regulated countries. HRC model is offered for highly regulated countries. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.

Features

Tractor ROPS Rating

Cat® Off-Highway Truck Bare Chassis ROPS is certified to ISO 3471 Tractor criteria, to provide a higher level of protection for towing applications.

Cat® Off-Highway Truck Bare Chassis ROPS is certified to ISO 3471 Tractor criteria, to provide a higher level of protection for towing applications.

Water Truck Applications

Cat® Off-Highway Truck Bare Chassis are rugged and reliable platforms for water truck applications in both mining and construction projects. Using an off-highway truck bare chassis provides a solution that is ideal for dust suppression, road construction, fire protection, and other applications. Caterpillar works with OEMs worldwide to match the appropriate bare chassis machine to the water truck application, all through your local Cat dealer, to provide the best solution for your business.

Cat® Off-Highway Truck Bare Chassis are rugged and reliable platforms for water truck applications in both mining and construction projects. Using an off-highway truck bare chassis provides a solution that is ideal for dust suppression, road construction, fire protection, and other applications. Caterpillar works with OEMs worldwide to match the appropriate bare chassis machine to the water truck application, all through your local Cat dealer, to provide the best solution for your business.

Service Truck Applications

Cat® Off-Highway Truck Bare Chassis are rugged and reliable platforms for service truck applications in both mining and construction projects. Using an off-highway truck bare chassis provides a solution that is ideal for delivering fuel and preventive maintenance lubrication to your site's machine fleet. Caterpillar works with OEMs worldwide to match the appropriate bare chassis machine to the service truck application, all through your local Cat dealer, to provide the best solution for your business.

Cat® Off-Highway Truck Bare Chassis are rugged and reliable platforms for service truck applications in both mining and construction projects. Using an off-highway truck bare chassis provides a solution that is ideal for delivering fuel and preventive maintenance lubrication to your site's machine fleet. Caterpillar works with OEMs worldwide to match the appropriate bare chassis machine to the service truck application, all through your local Cat dealer, to provide the best solution for your business.

Tow Applications

Cat® Off-Highway Truck Bare Chassis are rugged and reliable platforms for tow applications. Using an off-highway truck bare chassis provides a solution that is ideal for equipment trailers and bottom dump trailers. Caterpillar works with OEMs worldwide to match the appropriate bare chassis machine to the tow application, all through your local Cat dealer, to provide the best solution for your business.

Cat® Off-Highway Truck Bare Chassis are rugged and reliable platforms for tow applications. Using an off-highway truck bare chassis provides a solution that is ideal for equipment trailers and bottom dump trailers. Caterpillar works with OEMs worldwide to match the appropriate bare chassis machine to the tow application, all through your local Cat dealer, to provide the best solution for your business.

Standard Equipment

  • For more information on 770G WTR Bare Chassis options, please contact Caterpillar OEM Solutions at oemsolutions@cat.com.
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Powertrain
    • Air-To-Air Aftercooler (ATAAC)
    • Air cleaner with precleaner (1)
    • Automatic cold mode idle control
    • Electric start
    • Engine idle shutdown
    • Ether started aided
    • Exhaust muffler
    • Global off-highway aluminium radiator
    • Braking System: Manual retarder (utilizes rear oil-cooled, multiple disc brakes), Brake release motor (towing), Dry disc brakes (front), Front brake disconnect switch (front), Oil-cooled, multiple disc (rear), Brake wear indicator, Parking, secondary, service brake
    • Transmission: 7 speed automatic powershift with electronic clutch pressure control, Advanced productivity electronic control strategy (APECS), Automatic neutral idle, Autostall, Second gear start
  • Electrical
    • Alarm backup
    • Alternator, 120 amp
    • Auxiliary jump start receptable
    • Batteries, maintenance-free, 12V, 1400 CCA combined
    • Electrical system, 25 amp, 24V to 12V converter
    • Lighting System: Backup light (halogen), Directional signals/hazard warning (front and rear LED), Engine compartment light, Headlights with dimmer, Side profile lights, Operator access courtesy lights, Stop/tail lights (LED)
    • Battery jump start
    • Breakers, electrical
    • Lockout switch
    • Ports, ET and VIMS
    • Service lockout switch (power without engine start)
  • Operator Environment
    • Air conditioning/heat
    • Ashtray and cigarette lighter
    • Automatic tempature control
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Entertainment radio ready: 5 amp converter, Speakers, Antenna, Wiring harness
    • Gauges and indicators panel: 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
    • Hoist lever
    • Horn
    • Light - dome
    • Light - courtesy
    • Messenger, display unit
    • Mirrors (heated)
    • Power port, 24V and 12V
    • ROPS cab, insulated/sound suppressed
    • Cat Deluxe Seat: full air suspension, heated/ventilated, retractable 4 point seat belt with shoulder harness
    • Seat (training) with lap belt
    • Steering wheel, padded, tilt and telescopic
    • Storage compartment
    • Sun visor, tinted glass
    • Throttle lock
    • Window, sliding, right side (Emergency exit)
    • Window, powered, left side
    • Windshield wiper (intermittent) and washer
  • Other Equipment
    • Guards: Driveline, Engine crankcase, Fan
    • Body down indicator
    • Center mounted rims
    • Ground level battery disconnect
    • Ground level engine shutdown
    • Ground level grease fittings
    • Rims 13 x 33
    • Secondary steering (electric)
    • Tie down eyes
    • Tow hooks, front/tow pin, rear
    • Vandalism protection locks
  • Cat Technology Products
    • Product Link Ready
    • Economy Modes (standard and adaptive)
    • Payload System
    • Vital Info Management System (VIMS)
    • Tire monitoring system (TKPH/TMPH)
  • Fluids & Filters
    • Extended life coolant, -35° C (-30° F)
    • Grouped ground-level filters

Optional Equipment

  • Other Equipment
    • Auto Lube
    • Rear vision camera (WAVS)
    • Wheel chocks
    • Payload readout
    • Payload indicator (display)
  • Cat Technology Products
    • Product Link
    • Traction Control System