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Caterpillar offers partial machines and systems, working with Cat dealers and Original Equipment Manufacturers (OEMs) to provide specialty machines for specific applications. Bare chassis trucks (WTR models) can be ordered with or without hoist cylinders and most product options are identical to the dump truck models. Typically, these models come equipped with the higher Tractor ROPS certification ratings needed for specialty machines including water trucks, tow trucks and fuel and lube trucks. You’ll find these partial machine configurations are used in construction, demolition, waste, material handling, and mining industries and allow you to purchase complete solutions from your Cat dealer, using Cat equipment every step of the way. The Cat Water Delivery System (WDS) is available as an optional attachment with the 777G WTR and 785D WTR Off-Highway Truck Bare Chassis and includes factory installed controls in the cab, a hydraulic pump and motor, a water pump and stainless steel spray heads. Whether your goal is dust control or haul road maintenance, the Cat WDS is designed to put water to the ground in a controlled, intelligent way. The simple to operate automated system allows you to concentrate on more important safety issues like traffic, personnel and road conditions. You’ll also find that the Cat WDS not only improves safety, but also reduces truck maintenance costs, conserves water and provides significant fuel savings to hlep your bottom line.
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Specs
Operating Specifications
- Nominal Payload Class (100%)
- 98.4tons
- Top Speed - Loaded
- 41.7mph
- Nominal Payload (100%)
- 98.4tons
- Nominal Water Tank Capacity
- 20000gal
- Nominal Water Tank Capacity
- 20000gal (US)
Engine
- Engine Model
- Cat® C32 ACERT™
- Gross Power - SAE J1995
- 1025.0hp
- Net Power - SAE J1349
- 916.0hp
- Net Power - 80/1269/EEC
- 916.0hp
- Net Power - ISO 9249
- 916.0hp
- Bore
- 5.7in
- Stroke
- 6.4in
- Displacement
- 1959.0in3
- Cylinders
- 12
- Engine Power - ISO 14396
- 1008.0hp
- Engine Speed
- 1800.0RPM
- Net Torque
- 3899.0ft-lb
- Peak Torque Speed
- 1200.0RPM
Transmission
- Forward 1
- 6.8mph
- Forward 2
- 9.2mph
- Forward 3
- 12.5mph
- Forward 4
- 16.9mph
- Forward 5
- 22.9mph
- Forward 6
- 30.7mph
- Forward 7
- 41.7mph
- Reverse
- 7.7mph
Final Drives
- Differential Ratio
- 2.736:1
- Planetary Ratio
- 7.0:1
- Total Reduction Ratio
- 19.1576:1
Brakes
- Brake Standards
- ISO 3450:1996
- Brake Surface Area - Front
- 6331.0in2
- Brake Surface Area - Rear
- 15828.0in2
Service Refill Capacities
- Fuel Tank
- 300.0gal
- Cooling System
- 63.4gal
- Steering System (Includes Tank)
- 14.1gal
- Brake Hoist System
- 85.0gal
- Brake Hoist System (Includes Tank)
- 117.0gal
- Crankcase
- 28.7gal
- Differentials
- 59.9gal
- Final Drives (each)
- 20.0gal
- Fuel Tank
- 350.0gal
- Torque Converter/Transmission System
- 36.5gal
Hoists
- Pump Flow - High Idle
- 120.9gal/min
- Relief Valve Setting - Raise
- 2750.0psi
- Relief Valve Setting - Lower
- 500.0psi
- Raise Time - High Idle
- 15.0Seconds
- Lower Time - Float
- 13.0Seconds
- Lower Time - High Idle
- 13.0Seconds
Suspension
- Rear Axle Oscillation
- 5.4Degrees
- Empty Loaded Cylinder Stroke Front
- 2.9in
- Empty Loaded Cylinder Stroke Rear
- 2.5in
Weights - Approximate
- Target Gross Machine Weight
- 363000.0lb
Steering
- Turning Diameter - Front
- 83.0ft
- Steering Standards
- SAE J1511 FEB94 ISO 5010:1992
- Steer Angle
- 30.5Degrees
- Turning Circle Clearance Diameter
- 93.0ft
Tires
- Standard Tire
- 27.00R49 (E4)
Sound
- Sound Standards
- Standards
ROPS
- Tractor ROPS
- 133082lb
- Tractor ROPS
- 133082lbs
Weights
- LRC Bare Chassis Weight with Hoist
- 114067lb
- LRC Gross Vehicle Weight (Target) with Hoist
- 363000lb
- LRC Bare Chassis Weight without Hoist
- 111505lb
- LRC Gross Vehicle Weight (Target) without Hoist
- 363000lb
- Tier 4 Bare Chassis Weight with Hoist
- 115218lb
- Tier 4 Gross Vehicle Weight (Target) with Hoist
- 363000lb
- Tier 4 Bare Chassis Weight without Hoist
- 112656lb
- Tier 4 Gross Vehicle Weight (Target) without Hoist
- 363000lb
- Tier 4 Bare Chassis Weight without Hoist
- 112656lb
- LRC Bare Chassis Weight with Hoist
- 114067lb
- LRC Bare Chassis Weight without Hoist
- 111505lb
- LRC Gross Vehicle Weight (Target) with Hoist
- 363000lb
- LRC Gross Vehicle Weight (Target) without Hoist
- 363000lb
- Tier 4 Bare Chassis Weight with Hoist
- 115218lb
- Tier 4 Gross Vehicle Weight (Target) with Hoist
- 363000lb
- Tier 4 Gross Vehicle Weight (Target) without Hoist
- 363000lb
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 bare chassis standard and optional equipment, please reference the 777G Off-Highway Truck. For more information on 777G WTR Bare Chassis options, please contact Caterpillar OEM Solutions at oemsolutions@cat.com.
