2025 Caterpillar Off-Highway Trucks Bare Chassis 785
- Year 2025
- Make Caterpillar
- Model Off-Highway Trucks Bare Chassis
2025 Caterpillar Off-Highway Trucks Bare Chassis 785
2025 Caterpillar Off-Highway Trucks Bare Chassis 785
Off-Highway Trucks Bare Chassis785 Bare Chassis
Customization to Work for Your Application.
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 can be ordered with or without hoist cylinders and most product options are identical to the dump truck models.These bare chassis options allow you to purchase complete solutions from your Cat dealer, with additional service and support.
These models come equipped with a higher Tractor ROPS certification needed for specialty machines including water trucks, tow trucks, and fuel / lube trucks. These partial machine configurations are used in construction, demolition, waste, material, handling, quarry, and mining applications.
Features may include:
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 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 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 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.
Engine
Engine Manufacturer
Cat®
Engine Type
Model: 3512E
Cylinder Liners
12
Engine Power
Gross - SAE J1995: 1600 hp | Net - SAE J1349: 1509 hp
Bore
6.7 in
Stroke
8.5 in
Displacement
3573 in³
Drivetrain
Gear Ratios (overall) 1st
Forward - 1: 7.5 mile/h
Gear Ratios (overall) 2nd
Forward - 2: 10.2 mile/h
Gear Ratios (overall) 3rd
Forward - 3: 13.8 mile/h
Gear Ratios (overall) 4th
Forward - 4: 18.6 mile/h
Gear Ratios (overall) 5th
Forward - 5: 25.2 mile/h
Gear Ratios (overall) 6th
Forward - 6: 34 mile/h
Gear Ratio (Reverse, Low)
6.8 mile/h
Compression Ratio
Differential Ratio: 2.736:1 | Planetary Ratio: 7.0:1 | Total Reduction Ratio: 19.1576:1
Steering Angle, Left
36 °
Steering Angle, Right
36 °
Operational
Operating Speed
Peak Torque: 1200 r/min | Engine: 1650 r/min | Top Speed - Loaded: 40.9 mile/h
Operating Conditions
Brake Surface - Front: 9487 in² | Brake Surface Area - Rear: 13908 in² | Body Raise Time - High Idle: 15 s | Body Lower Time - Float: 13 s | Body Lower Time - High Idle: 13 s | Weight Distributions (Dual Slope): Front Axle-Empty - 46% / Rear Axle-Empty - 54% / Front Axle-Loaded - 33 % / Rear Axle-Loaded - 67 %
Hydraulics
Hydraulic Flow
Pump - High Idle: 120.9 gal/min | Brake/Hoist Tank: 135 gal (US)
Relief Valve Setting
Raise: 2750 psi | Lower: 500 psi
Dimensions
Dimensions
Rear axle - Oscillation: 5.4 °
Turning Radius
Diameter: 97.75 in
Stroke
Empty Loaded Cylinder Front: 2.9 in | Empty Loaded Cylinder Rear: 2.5 in
Capacities
Features
Steering System - Including Tank: 45 gal (US) | Differentials: 139 gal (US) | Brake Hoist System: 160 gal (US) | Final Drive - Each: 20 gal (US) | Crankcase: 54 gal (US)
Volume
Body Capacity - SAE 2:1: 83.1 yd³ | Struck: 54.8 yd³ | Heaped 2:1 (SAE): 78.8 yd³ | Heaped (SAE 2:1): 78.6 yd³ | Heaped 2:1 (SAE) (X Body): 83.8 yd³ | Struck (X Body): 56.3 yd³ | SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3): 144 yd³ | SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3): 164.6 yd³ | SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3): 139 yd³ | SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3): 116.8 yd³
Fresh Water Capacity
Nominal Water Tank: 30000 gal (US)
Axle Capacity, Front
Empty: 42 % | Loaded: 33 %
Axle Capacity, Rear
Empty: 58 % | Loaded: 67 %
Fuel Capacity
Tank: 410 gal (US)
Payload Capacity
Nominal Class (100%): 101.1 ton (US) | Maximum Working (110%): 111.2 ton (US) | Maximum Allowable (120%): 121.3 ton (US) | Target (100%): 98.4 ton (US)
Cooling System
100 gal (US)
Torque Converter
Transmission System: 46 gal (US) | Net Torque Rise: Tier 4: 39%. Tier 2: 37%
Weights
Weight
Tractor ROPS: 231485 lb | LRC Bare Chassis without Hoist: 184582 lb | LRC Bare Chassis with Hoist: 188766 lb | HRC Bare Chassis without Hoist: 187068 lb | HRC Bare Chassis with Hoist: 191253 lb
GVWR
LRC Gross Vehicle (Target) with Hoist: 550000 lb | LRC Gross Vehicle (Target) without Hoist: 550000 lb | HRC Gross Vehicle (Target) with Hoist: 550000 lb | HRC Gross Vehicle (Target) without Hoist: 550000 lb