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 / lube trucks. These partial machine configurations are used in construction, demolition, waste, material handling, quarry, and mining applications.
The Cat Water Delivery System (WDS) is available as an optional attachment with the 777 WTR, 785D WTR, and 789D 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.
Features
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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.
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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.
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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.
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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.
Specifications
Units for specifications
Engine
| Engine Model | Cat® C32B |
|---|---|
| Gross Power - SAE J1995 | 1025 hp 765 kW |
| Rated Net Power - SAE J1349 | 916 hp 683 kW |
| Bore | 5.7 in 145 mm |
| Stroke | 6.4 in 162 mm |
| Displacement | 1959 in³ 32.1 l |
| Rated Engine Speed | 1800 r/min 1800 r/min |
| Number of Cylinders | 12 |
| Note | Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. |
Weights
| LRC Bare Chassis Weight without Hoist | 111505 lb 50578 kg |
|---|---|
| LRC Bare Chassis Weight with Hoist | 114067 lb 51740 kg |
| LRC Gross Vehicle Weight (Target) without Hoist | 363000 lb 164654 kg |
| LRC Gross Vehicle Weight (Target) with Hoist | 363000 lb 164654 kg |
| HRC Bare Chassis Weight without Hoist | 112656 lb 51100 kg |
| HRC Bare Chassis Weight with Hoist | 115218 lb 52262 kg |
| HRC Gross Vehicle Weight (Target) without Hoist | 363000 lb 164654 kg |
| HRC Gross Vehicle Weight (Target) with Hoist | 363000 lb 164654 kg |
| Note | LRC model is offered for lesser regulated countries. HRC model is offered for highly regulated countries. Available as Tier 4 Final/Stage V equivalent, Tier 3/Stage IIIA equivalent, or Tier 2/Stage II equivalent emission standards. |
Operating Specifications
| Nominal Water Tank Capacity | 20000 gal (US) 75700 l |
|---|
ROPS
| Tractor ROPS | 133082 lb 60365 kg |
|---|
Transmission
| Forward - 1 | 6.6 mile/h 10.7 km/h |
|---|---|
| Forward - 2 | 9.1 mile/h 14.6 km/h |
| Forward - 3 | 11.9 mile/h 19.2 km/h |
| Forward - 4 | 16.6 mile/h 26.7 km/h |
| Forward - 5 | 22.5 mile/h 36.2 km/h |
| Forward - 6 | 30.2 mile/h 48.6 km/h |
| Forward - 7 | 40.9 mile/h 65.9 km/h |
| Reverse | 7.5 mile/h 12.1 km/h |
Brakes
| Brake Surface - Front | 6331 in² 40846 cm² |
|---|---|
| Brake Surface - Rear | 15828 in² 102116 cm² |
Service Refill Capacities
| Fuel Tank Capacity | 300 gal (US) 1136 l |
|---|---|
| Cooling System | 63.4 gal (US) 240 l |
| Crankcase | 28.7 gal (US) 109 l |
| Steering System - Including Tank | 14.1 gal (US) 53.6 l |
| Brake/Hoist Hydraulic Tank | 117 gal (US) 444 l |
| Brake Hoist System | 85 gal (US) 322 l |
| Torque Converter - Transmission System | 36.5 gal (US) 138.5 l |
Steering
| Steering Standards | ISO 5010:2007 |
|---|---|
| Steer Angle | 30.5 ° 30.5 ° |
| Turning Diameter | 83 ft 25.3 m |
| Turning Circle - Clearance Diameter | 93 ft 28.4 m |
Standard Equipment
For more information on 777 Bare Chassis options, please contact Caterpillar OEM Solutions at <a href="mailto:oem_solutions@cat.com">oem_solutions@cat.com</a>.
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
POWERTRAIN
- Quick Evac
- Air-To-Air Aftercooler (ATAAC)
- Engine idle shutdown
- Turbocharger (2)
- Automatic cold mode idle control
- Fuel filter / water separator
- Air cleaner with precleaner (1)
- Electric priming pump
- Automatic Retarder Control (ARC)
- Braking system: Manual retarder (utilizes rear oil-cooled, multiple disc brakes), Brake release motor (towing), Front brake disconnect switch (front), Oil-cooled, multiple disc (front / rear), Brake wear indicator, Parking, Secondary, Service
- Transmission: 7 speed automatic powershift with electronic clutch pressure control Advanced productivity electronic control strategy (APECS), Automatic neutral idle, Autostall, Second gear start
- APECS software: ECPC, part throttle shifting
- Electronic clutch pressure control
- Body upshift inhibitor
- Directional shift management
- Reverse neutralizer during dumping
- Neutral start switch
- Downshift inhibitor
- Neutral cost inhibitor
- Reverse shift inhibitor
- Programmable top gear selection
ELECTRICAL
- Alarm backup
- Alternator, 115 amp
- Batteries, maintenance-free, 12V, 190 amp-hour
- Electrical system, 25 amp, 24V to 12V converter
- Lighting system: backup light (halogen), directional signals/hazard warning (front and rear LED), engine compartment light, headlights (halogen) with dimmer, operator access courtesy lights, side profile lights, stop/tail lights (LED)
OPERATOR ENVIRONMENT
- Air conditioning/heat
- Ashtray and cigarette lighter
- Automatic tempature control
- Coat hook
- Cup holders (4)
- Diagnostic connection port, 24V
- Entertainment radio ready: 5 amp converter, Speakers, Antenna, Wiring harness
- Gauges and indicators panel: Air cleaner service indicator - electronic, Brake oil temperature gauge, Coolant temperature gauge, Hour meter, Tachometer, Engine overspeed indicator, Fuel level, Speedometer with odometer, Transmission gear indicator
- Hoist lever
- Horn, electric
- Light - dome
- Light - courtesy
- 7-inch touchscreen display
- Mirrors (heated)
- Power port, 24V and 12V
- ROPS certification ISO tractor
- Cat Next Generation Deluxe Seat: full air suspension, heated, retractable 4 point seat belt with shoulder harness
- Seat (training) with lap belt
- Steering wheel, padded, tilt and telescopic
- Storage compartment
- Sun visor, tinted / laminated glass
- Throttle lock
- Window, sliding, right side (Emergency exit)
- Window, powered, left side
- Windshield wiper (intermittent) and washer
OTHER EQUIPMENT
- Guards: Driveline, Engine crankcase, Fan and air conditioner
- Body down indicator
- Center mounted rims
- Ground level battery disconnect
- Ground level engine shutdown
- Ground level grease fittings
- Operator Maintenance Manual (OMM)
- Rims 19.5 x 49
- Supplemental steering (automatic)
- Tie down eyes
- Tow hooks, front/tow pin, rear
- Vandalism protection locks
CAT TECHNOLOGY PRODUCTS
- Product Link Ready
- Adaptive Economy Mode
- Payload System (TPMS)
- Vital Info Management System (VIMS)
- Object Detection
FLUIDS & FILTERS
- Extended life coolant, -35° C (-30° F)
- Grouped ground-level filters
Optional Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
OTHER EQUIPMENT
- Auto Lube
- Rear vision camera (WAVS)
- Wheel chocks
- Payload indicator (lights only)
- Payload indicator (display)
- Fire suppression arrangement
CAT TECHNOLOGY PRODUCTS
- Product Link
- Traction Control System
CAT WATER DELIVERY SYSTEM (WDS)
- Variable Hydraulic Pump Drive: 1,200 gpm at speeds of 3 to 25 mph with auto shut-off and soft startup
- Water System Monitor: integrated into cab, programmable spray configurations, automatic diagnostic messages
- Controls: Factory installed and integrated into cab
- Stainless Steel Spray Heads: maintenance free, patented design resists corrosion
- Water Cannon: hydraulically controlled, integrated joystick with cab controls, optional nozzles
- Independent Hydraulic Cooling System: minimizes overheating
- Parts & service available through global Cat dealer network
Videos
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Cat OEM Solutions in the Mining Industry -
Cat Water Delivery System Enhances Mine Safety and Productivity -
Distant Thunder | Ground Force Machines at Black Thunder Mine
