2025 Caterpillar Off-Highway Trucks Bare Chassis 785

Information

2025 Caterpillar Off-Highway Trucks Bare Chassis 785

Off-Highway Trucks Bare Chassis

785 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.
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.
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.
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.

Photos

Highlights

  • Exeter, Rhode Island
  • 2025
  • Caterpillar
  • Off-Highway Trucks Bare Chassis 785
  • Available

Specifications

  • 2025
  • Caterpillar
  • Off-Highway Trucks Bare Chassis
  • 785
  • Mining
  • Cat®
  • Model: 3512E
  • 12
  • Gross - SAE J1995: 1600 hp | Net - SAE J1349: 1509 hp
  • 6.7 in
  • Empty Loaded Cylinder Front: 2.9 in | Empty Loaded Cylinder Rear: 2.5 in
  • 3573 in³
  • Forward - 1: 7.5 mile/h
  • Forward - 2: 10.2 mile/h
  • Forward - 3: 13.8 mile/h
  • Forward - 4: 18.6 mile/h
  • Forward - 5: 25.2 mile/h
  • Forward - 6: 34 mile/h
  • 6.8 mile/h
  • Differential Ratio: 2.736:1 | Planetary Ratio: 7.0:1 | Total Reduction Ratio: 19.1576:1
  • 36 °
  • 36 °
  • Peak Torque: 1200 r/min | Engine: 1650 r/min | Top Speed - Loaded: 40.9 mile/h
  • 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 %
  • Pump - High Idle: 120.9 gal/min | Brake/Hoist Tank: 135 gal (US)
  • Raise: 2750 psi | Lower: 500 psi
  • Rear axle - Oscillation: 5.4 °
  • Diameter: 97.75 in
  • 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)
  • 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
  • Nominal Water Tank: 30000 gal (US)
  • Empty: 42 % | Loaded: 33 %
  • Empty: 58 % | Loaded: 67 %
  • Tank: 410 gal (US)
  • 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)
  • 100 gal (US)
  • Transmission System: 46 gal (US) | Net Torque Rise: Tier 4: 39%. Tier 2: 37%
  • 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
  • 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