Cat Water Solutions: 777 (07) Off-Highway Water Truck

Control Dust. Increase Visibility. Reduce Risk.

Cat® Water Solutions helps you efficiently reduce haul road dust to enhance safety and increase productivity at your job site, quarry, or mine. An integrated truck, tank, and water delivery system – connected with scalable levels of technology helps you solve overwatering and underwatering issues with a focus on sustainable operations. This innovative water solution is sold and supported by the local Cat dealer you know and trust.

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Highlights
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Features & Specs
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Equipment Highlights

ENHANCED SITE SAFETY
COMFORTABLE CAB
OPTIMIZED PRODUCTIVITY
EFFICIENCY & SUSTAINABILITY
DO MORE WITH LESS FUEL
SCALABLE CONNECTIVITY
INTEGRATION & SUPPORT

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Features + Specs

Equipment Features
Optional Equipment
Specs
  • Air Conditioning: 18390 Btu/lb
  • Heater / Defroster: 43930 Btu
  • ROPS Standards (1): Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
  • FOPS Standards: Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
  • Note (1): The operator Equivalent Sound Pressure Level (Leq) is 73 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.
  • Note (2): The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid-gear moving operation is 83 dB(A).
  • Note (3): Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
  • Standard Tire: 27.00R49 (E4)
  • Note (1): Productive capabilities of the 777 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
  • Note (2): Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
  • Engine Model: Cat® C32B
  • Gross Power - SAE J1995:2014: 1025 hp
  • Engine Speed: 1800 r/min
  • Net Power - SAE J1349:2011: 916 hp
  • Cylinders: 12
  • Bore: 5.7 in
  • Stroke: 6.4 in
  • Displacement: 1959 in³
  • Emissions (1): Available as U.S. EPA Tier 4 Final/EU Stage V equivalent, Tier 3/Stage IIIA equivalent, or Tier 2/Stage II equivalent emission standards.
  • Emissions (2): Meets China Nonroad Stage III emission standards equivalent to Tier 3 or Tier 2.
  • Note (2): Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
  • Note (1): Net Power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator with engine speed at 1,800 rpm.
  • Note (3): Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
  • Note (4): No engine derating required up to 2286 m (7,500 ft) for HRC and 4572 m (15,000 ft) for LRC machines.
  • Steering Standards: ISO 5010:2007
  • Steer Angle: 30.5 °
  • Turning Diameter - Front: 83 ft
  • Turning Circle - Clearance Diameter: 93 ft
  • Empty Loaded Cylinder Stroke Front: 2.9 in
  • Empty Loaded Cylinder Stroke Rear: 2.5 in
  • Rear axle - Oscillation: 5.4 °
  • Pump Flow - High Idle: 6331 gpm
  • Relief Valve Setting - Raise: 2750 psi
  • Relief Valve Setting - Lower: 500 psi
  • Body Raise Time - High Idle: 15 s
  • Body Lower Time - Float: 13 s
  • Body Lower Time - High Idle: 13 s
  • Differential Ratio: 2.736:1
  • Planetary Ratio: 7.0:1
  • Total Reduction Ratio: 19.1576:1
  • Forward - 1: 6.6 mile/h
  • Forward - 2: 9.1 mile/h
  • Forward - 3: 11.9 mile/h
  • Forward - 4: 16.6 mile/h
  • Forward - 5: 22.5 mile/h
  • Forward - 6: 30.2 mile/h
  • Forward - 7: 40.9 mile/h
  • Reverse: 7.5 mile/h
  • Note: Maximum travel speeds with standard 27.00R49 (E4) tires.
  • Brake Surface - Front: 6331 in²
  • Brake Surface - Rear: 15828 in²
  • Brake Standards: ISO 3450:2011
  • Water Tank Capacity: up to 75 700 L (20,000 gal)
  • Note: Multiple tank configurations are offered based on customer preference and regional locations. Water Tank Capacity Range: 75 400 - 75 700 L (19,900 - 20,000 gal)
  • Machine Weight (with water tank full): 327,964 - 327,964 lb / 147 172 - 148 762 kg
  • Empty Machine Operating Weight (without water / with fuel): 160,307 - 162,323 lb / 72 714 - 73 629 kg
  • Water Tank - Max Empty Weight (no WDS): 42,983 - 44,092 lb / 19 497 - 20 000 kg
  • Note (1): Water tanks are offered by local 3rd party providers with customization based on water application and regional customer requirements. Hoist cylinder mounting on all tank offerings enhances serviceability.
  • Note (2): Number of spray heads can be customized based on customer needs and preferred watering techniques. Option for 3 - 5 spray heads mounted on the back of the water tank. Additional option for spray heads on each side of the water tank.
  • Note (3): Water cannon arrangement typically mounts to the front of the water tank.
  • Target Gross Machine Weight: 363000 lb
  • Chassis Weight: 115217 lb
  • Top Speed - Loaded: 41.7 mile/h
  • Note: Water Tank Capacity Range: 69 700 - 75 700 L (18,400 - 20,000 gal)
  • Note (2): Operator selectable coverage: 0.2 - 0.8 L/m² (4 kph - 40 kph) / 0.5-0.2 gal/ft² (3 mph - 25 mph)
  • Fuel Tank (1): 300 gal (US)
  • Fuel Tank (2): 350 gal (US)
  • Cooling System: 63.4 gal (US)
  • Crankcase: 28.7 gal (US)
  • Differentials: 59.9 gal (US)
  • Final Drive - Each: 20 gal (US)
  • Steering System - Including Tank: 14.1 gal (US)
  • Brake Hoist System: 85 gal (US)
  • Torque Converter - Transmission System: 36.5 gal (US)
  • Maximum water flow: 1800 gal(US)/min
  • Water per spray head (minimum): 35 gal(US)/min
  • Water per spray head (maximum): 600 gal(US)/min
  • Spray head opening range (minimum): 0.04 in
  • Spray head opening range (maximum): 0.75 in
  • Maximum size debris flushed through spray head: 0.75 in
  • Spray system hydraulic tank capacity: 7.25 gal (US)
  • Maximum number of rear spray heads: 5
  • Minimum number of rear spray heads (recommended 3): 2
  • Minimum number of front/side spray heads: 2
  • Maximum water from cannon (idle): 600 gal(US)/min
  • Maximum water from cannon (high idle): 1650 gal(US)/min
  • Maximum cannon spray distance: 200 ft
  • Type: Wet water pump/hydraulic motor coupling
  • Note: Operator selectable coverage: 0.2 - 0.8 L/m² (4 kph - 40 kph) / 0.05 - 0.2 gal/ft² (3 mph - 25 mph). Coverage rates above 0.6 L/m² may not be available at higher speeds depending on head count and configuration.
  • Note (1): Spray head opening is automatically controlled by the system to achieve Auto Mode Coverage or manual mode flow rate.
  • Note (2): The Auto Mode setting controls water coverage and automatically adjusts to the number of spray heads being used — independent of ground speed. This is an exclusive feature designed into the Cat WDS software to help water more efficiently. Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate.
  • Note (3): Alternatively, manual mode allows the operator to set a water flow rate that is constant regardless of ground speed. This mode is not recommended for daily operation and will reduce watering efficiency and may increase fuel usage.
  • Note (4): Spray heads on competitive water distribution systems require tools and maintenance to change flow and spray pattern. Caterpillar is the only company to have variable active spray heads to regulate water spray.
  • Note (5): Cannon performance depends on nozzle orifice and pipe size.
  • Front Axle - Empty: 46 %
  • Front Axle - Loaded: 33 %
  • Rear Axle - Empty: 54 %
  • Rear Axle - Loaded: 67 %
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