2025 Caterpillar Off-Highway Trucks Bare Chassis 777 (07)
- Year 2025
- Make Caterpillar
- Model Off-Highway Trucks Bare Chassis
2025 Caterpillar Off-Highway Trucks Bare Chassis 777 (07)
Off-Highway Trucks Bare Chassis777 (07) 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 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: C32B
Cylinder Liners
12
Engine Power
Gross - SAE J1995: 1025 hp | Net - SAE J1349: 916 hp
Bore
5.7 in
Stroke
6.4 in
Displacement
1959 in³
Drivetrain
Gear Ratios (overall) 1st
Forward - 1: 6.6 mile/h
Gear Ratios (overall) 2nd
Forward - 2: 9.1 mile/h
Gear Ratios (overall) 3rd
Forward - 3: 11.9 mile/h
Gear Ratios (overall) 4th
Forward - 4: 16.6 mile/h
Gear Ratios (overall) 5th
Forward - 5: 22.5 mile/h
Gear Ratios (overall) 6th
Forward - 6: 30.2 mile/h
Gear Ratio (Primary)
Forward - 7: 40.9 mile/h
Gear Ratio (Reverse, Low)
7.5 mile/h
Compression Ratio
Differential Ratio: 2.736:1 | Planetary Ratio: 7.0:1 | Total Reduction Ratio: 19.1576:1
Steering Angle, Left
30.5 °
Steering Angle, Right
30.5 °
Operational
Operating Speed
Peak Torque: 1200 r/min | Engine: 1800 r/min | Top Speed - Loaded: 40.9 mile/h
Operating Conditions
Brake Surface - Front: 6331 in² | Brake Surface Area - Rear: 15828 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: 117 gal (US)
Relief Valve Setting
Raise: 2750 psi | Lower: 500 psi
Dimensions
Dimensions
Rear axle - Oscillation: 5.4 °
Turning Radius
Diameter: 83 ft | Circle - Clearance Diameter: 93 ft
Stroke
Empty Loaded Cylinder Front: 2.9 in | Empty Loaded Cylinder Rear: 2.5 in
Capacities
Features
Steering System - Including Tank: 14.1 gal (US) | Differentials: 38 gal (US) | Brake Hoist System: 85 gal (US) | Final Drive - Each: 20 gal (US) | Crankcase: 28.7 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: 20000 gal (US)
Axle Capacity, Front
Empty: 42 % | Loaded: 33 %
Axle Capacity, Rear
Empty: 58 % | Loaded: 67 %
Fuel Capacity
Tank: 300 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
63.4 gal (US)
Torque Converter
Transmission System: 36.5 gal (US) | Net Torque Rise: Tier 4: 39%. Tier 2: 37%
Weights
Weight
Tractor ROPS: 133082 lb | LRC Bare Chassis without Hoist: 111505 lb | LRC Bare Chassis with Hoist: 114067 lb | HRC Bare Chassis without Hoist: 112656 lb | HRC Bare Chassis with Hoist: 115218 lb
GVWR
LRC Gross Vehicle (Target) with Hoist: 363000 lb | LRC Gross Vehicle (Target) without Hoist: 363000 lb | HRC Gross Vehicle (Target) with Hoist: 363000 lb | HRC Gross Vehicle (Target) without Hoist: 363000 lb