Photos
Exterior View
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 wihout 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 tractors 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 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 help your bottom line.
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Specs
Operating Specifications
- Top Speed - Loaded
- 34.0mph
- Steer Angle
- 36.0Degrees
- Machine Clearance Turning Diameter
- 108.9ft
- Maximum Target Payload
- 157.0tons
- Turning Diameter - Front
- 97.7ft
- Nominal Water Tank Capacity
- 30000gal
- Nominal Water Tank Capacity
- 30000gal (US)
Engine
- Engine Model
- Cat® 3512C HD
- Gross Power - SAE J1995
- 1450.0hp
- Rated Power
- 1450.0hp
- Net Power - Cat
- 1348.0hp
- Net Power - ISO 9249
- 1348.0hp
- Net Power - 80/1269/EEC
- 1348.0hp
- Torque Rise
- 23.0%
- Bore
- 6.7in
- Stroke
- 8.4in
- Displacement
- 3573.6in3
- Net Power
- 1348.0hp
- Net Power - SAE J1349
- 1348.0hp
Weights - Approximate
- Gross Machine Operating Weight (GMW)
- 550000.0lb
Transmission
- Forward 1
- 7.5mph
- Forward 2
- 10.2mph
- Forward 3
- 13.8mph
- Forward 4
- 18.6mph
- Forward 5
- 25.2mph
- Forward 6
- 34.0mph
- Reverse
- 6.8mph
Final Drives
- Differential Ratio
- 2.10:1
- Planetary Ratio
- 10.83:1
- Total Reduction Ratio
- 22.75:1
Suspension
- Effective Cylinder Stroke - Front
- 12.1in
- Effective Cylinder Stroke - Rear
- 6.5in
Brakes
- Brake Surface - Rear
- 13908.0in2
- Standards
- SAE J1473 OCT90 ISO 3450-1985
- Brake Surface - Front
- 9497.0in2
Hoists
- Pump Flow - High Idle
- 198.0gal/min
- Relief Valve Setting - Raise
- 2500.0psi
- Raise Time - High Idle
- 15.2Seconds
- Lower Time - Float
- 16.2Seconds
- Power Down - High Idle
- 15.9Seconds
- Lower Time - High Idle
- 15.9Seconds
Service Refill Capacities
- Fuel Tank (standard)
- 500.0gal
- Cooling System
- 100.0gal
- Crankcase
- 54.0gal
- Steering Tank
- 24.0gal
- Steering System (Includes Tank)
- 31.0gal
- Brake/Hoist Hydraulic Tank
- 89.0gal
- Brake/Hoist System (Includes Tank)
- 169.0gal
- Differential and Final Drives
- 115.0gal
- Torque Converter/Transmission System (Includes Sump)
- 65.51gal
Tires
- Standard Tires
- 33.00-R51 (E3 & E4)
Sound
- Sound Standards
- ANSI/SAE J1166 MAY90 SAE J88 APR95
Steering
- Steering Standards
- SAE J1511 OCT90 ISO 5010:1992
ROPS
- ROPS Standards
- SAE J1040 APR88 ISO 3471:1994
- Tractor ROPS
- 207234lbs
- Tractor ROPS
- 207234lb
Weights
- Tier 4 Bare Chassis Weight with Hoist
- 180827lb
- Tier 4 Gross Vehicle Weight (Target) with Hoist
- 550000lb
- Tier 4 Bare Chassis Weight without Hoist
- 177309lb
- Tier 4 Gross Vehicle Weight (Target) without Hoist
- 550000lb
- Tier 4 Bare Chassis Weight without Hoist
- 177309lb
- Tier 4 Bare Chassis Weight with Hoist
- 180827lb
- Tier 4 Gross Vehicle Weight (Target) with Hoist
- 550000lb
- Tier 4 Gross Vehicle Weight (Target) without Hoist
- 550000lb
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 785D Off-Highway Truck. For more information on 785D WTR Bare Chassis options, please contact Caterpillar OEM Solutions at oemsolutions@cat.com.
