785D Water Truck

Cat Water Solutions: 785D Off-Highway Water Truck

Cat® Water Solutions helps you efficiently reduce haul road dust to enhance safety and increase productivity at your job site, quarry, or mine. A fully 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 turnkey solution with Cat branded tank offerings is sold and supported by the local Cat dealer you know and trust.

Category:

ENHANCED SITE SAFETY

COMFORTABLE CAB

OPTIMIZED PRODUCTIVITY

EFFICIENCY & SUSTAINABILITY

DO MORE WITH LESS FUEL

SCALABLE CONNECTIVITY

Serviceability

INTEGRATION & SUPPORT

Standard Equipment

NOTE
  • Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL
  • Alarm, Back-up
  • Alternator (105 A)
  • Batteries, 93Ah, Low-maintenance, 12V (2)
  • Converter, 12V electrical
  • Lighting System
  • Electrical System, 24V, 15A
SUSPENSION SYSTEMS
  • Suspension, rear
OPERATOR ENVIRONMENT
  • Dome courtesy light
  • Gauges/Indicators
  • Air conditioning
  • Ashtray and cigarette lighter
  • Coat hook
  • Diagnostic connection port
  • Entertainment Radio Ready
    – 5 amp converter
    – Speakers
    – Antenna
    – Wiring harness
  • Heater/defroster
  • Horn
  • VIMS
  • TPMS
  • Storage compartment
  • Steering wheel, tilt, padded, telescopic
  • ROPS cab, insulated/sound suppressed
  • Tinted glass
  • Window, electric powered, operator
  • Sun visor
  • Window, right side, hinged access/egress
  • Windshield wiper (intermittent) and washer
CAT TECHNOLOGY PRODUCTS
  • Adaptive economy mode
  • Object detection (4 cameras, 4 radars)
  • Product Link™ Ready (Level 1)
  • TKPH/TMPH (Tons Kilometer Per Hour/ Tons Mile Per Hour)
  • Work Area Vision System (WAVS)
  • Cat MineStar Edge™: Level 1 - Basic (Equipment Tracking)*
  • *Basic connectivity package comes standard on all Cat Water Solutions trucks with a 6-month complimentary service-based offering
POWERTRAIN
  • Braking System
  • Transmission
GUARDS
  • Engine crankcase
  • Driveline
  • Fan and A/C
FLUIDS
  • Extended Life Coolant to –35° C (–30° F)
OTHER STANDARD EQUIPMENT
  • Body mounting group
  • Air Line Dryer (2)
  • Auto lubrication system (Lincoln)
  • Dumping, Auxiliary Quick Connect for “Buddy Dumping”
  • Steering, Auxiliary Quick Connect for Towing
  • Continuous rear axle filtration
  • Diagonal stairway, 600 mm (24 in)
  • Driveline Operator Safety Guard
  • Battery Disconnect
  • Fast-fill Fuel System
  • High speed crankcase oil change
  • Reservoirs (Separate)
  • S•O•S℠ sample ports
  • Supplemental steering (automatic)
  • Tie Down Eyes
  • Tow Hooks, Front
  • Traction Control System
  • Vandalism Protection Locks
  • Vital Information Management System (VIMS) includes: VIMS payload monitor, MAX payload and speed manager
CAT WATER DELIVERY SYSTEM (WDS)
  • Controls: Factory installed and integrated into cab
  • Water System Monitor: integrated into cab, programmable spray configurations, automatic diagnostic messages
  • Variable Hydraulic Pump Drive: 1,200 gpm at speeds of 3 to 25 mph with auto shut-off and soft startup
  • Stainless Steel Spray Heads: maintenance free, patented design resists corrosion
  • Independent Hydraulic Cooling System: minimizes overheating
  • Water Cannon: hydraulically controlled, integrated joystick with cab controls, optional nozzles
  • Parts & service available through global Cat dealer network
Cat Branded Water Tank Offerings with Options
  • Cat branded tanks include additional features and options commonly selected by customers in the industry.
    – Splash guards, fill chute, and rock ejectors are standard.
    – Hoist cylinder mounting on all tank offerings enhances serviceability
    – Manufactured and supplied by recognized tank providers (covered by a Caterpillar warranty)

Additional information

Offering Type

Engine Model

Cat® 3512C HD

Engine - Gross Power - SAE J1995

1082 kW ( 1450 HP )

Engine - Net Power - SAE J1349

1005 kW ( 1348 HP )

Engine - Emissions

Fuel Optimized

Engine - Bore

170 mm ( 6.7 in )

Engine - Stroke

215 mm ( 8.4 in )

Engine - Displacement

58.56 l ( 3573.6 in³ )

Engine - 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.

Cat Water Delivery System (WDS) - Maximum water flow

3785 l/min ( 1200 gal(US)/min )

Cat Water Delivery System (WDS) - Water per spray head (minimum)

130 l/min ( 35 gal(US)/min )

Cat Water Delivery System (WDS) - Water per spray head (maximum)

2270 l/min ( 600 gal(US)/min )

Cat Water Delivery System (WDS) - Spray head opening range (minimum)

1 mm ( 0.04 in )

Cat Water Delivery System (WDS) - Spray head opening range (maximum)

19 mm ( 0.75 in )

Cat Water Delivery System (WDS) - Maximum size debris flushed through spray head

19 mm ( 0.75 in )

Cat Water Delivery System (WDS) - Spray system hydraulic tank capacity

27.5 l ( 7.25 gal (US) )

Cat Water Delivery System (WDS) - Maximum number of rear spray heads

5

Cat Water Delivery System (WDS) - Minimum number of front/side spray heads

2

Cat Water Delivery System (WDS) - Maximum number of front/side spray heads

0

Cat Water Delivery System (WDS) - Maximum water from cannon (idle)

2271 l/min ( 600 gal(US)/min )

Cat Water Delivery System (WDS) - Maximum water from cannon (high idle)

4732 l/min ( 1250 gal(US)/min )

Cat Water Delivery System (WDS) - Maximum cannon spray distance

61 m ( 200 ft )

Cat Water Delivery System (WDS) - Type

Wet water pump/hydraulic motor coupling

Cat Water Delivery System (WDS) - 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.

Cat Water Delivery System (WDS) - Note (1)

Opening is automatically controlled by the system to achieve AutoMode Coverage or Manual Mode Flow Rate.

Cat Water Delivery System (WDS) - Note (2)

AutoMode Spray controls water coverage automatically to the number of heads being used and ground speed achieved.

Cat Water Delivery System (WDS) - Note (3)

Manual Mode allows the operator to set a water flow rate that is constant regardless of ground speed.

Cat Water Delivery System (WDS) - 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.

Cat Water Delivery System (WDS) - Note (5)

Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate

Tank Configurations - Water Tank Capacity

up to 121 133 L (32,000 gal)

Tank Configurations - Note

Multiple tank configurations are offered based on customer preference and regional locations. Water Tank Capacity Range: 110 000 – 121 133 L (29,059 – 32,000 gal)

Operating Specifications - Note

Water Tank Capacity Range: 110 000 – 121 133 L (29,059 – 32,000 gal)

Tank Configurations - Machine Weight (with water tank full)

480,655 lb – 520,237 lb / 218 022 kg – 235 976 kg

Tank Configurations - Empty Machine Operating Weight (without water / with fuel)

241,647 lb – 251,098 lb / 109 610 kg – 113 896 kg

Tank Configurations - Water Tank - Max Empty Weight (no WDS)

57,320 lb – 66,769 lb / 26 000 kg – 30 286 kg

Tank Configurations - Note (1)

Cat branded tanks include additional features and options commonly selected by customers in the industry. Splash guards, fill chute, and rock ejectors are standard.

Tank Configurations - Note (2)

Hoist cylinder mounting on all tank offerings enhances serviceability.

Operating Specifications - 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)

Weights - Approximate - Target Gross Machine Weight

249476 kg ( 550000 lb )

Weights - Approximate - Chassis Weight

82022 kg ( 180827 lb )

Transmission - Forward - 1

12.1 km/h ( 7.5 mile/h )

Transmission - Forward - 2

16.3 km/h ( 10.2 mile/h )

Transmission - Forward - 3

22.2 km/h ( 13.8 mile/h )

Transmission - Forward - 4

29.9 km/h ( 18.6 mile/h )

Transmission - Forward - 5

40.6 km/h ( 25.2 mile/h )

Transmission - Forward - 6

54.8 km/h ( 34 mile/h )

Transmission - Reverse

11 km/h ( 6.8 mile/h )

Transmission - Note

Maximum travel speeds with standard 33.00-R51 tires.

Final Drives - Differential Ratio

2.10:1

Final Drives - Planetary Ratio

10.83:1

Final Drives - Total Reduction Ratio

22.75:1

Braking System - Brake Surface - Front

61270 cm² ( 9497 in² )

Braking System - Brake Surface - Rear

89729 cm² ( 13908 in² )

Braking System - Brake Standards

ISO 3450:2011

Body Hoists - Pump Flow - High Idle

750 l/min ( 198 gal/min )

Body Hoists - Relief Valve Setting - Raise

17238 kPa ( 2500 psi )

Body Hoists - Relief Valve Setting - Lower

3450 kPa ( 500 psi )

Body Hoists - Body Raise Time - High Idle

15.2 s ( 15.2 s )

Body Hoists - Body Lower Time - Float

16.2 s ( 16.2 s )

Body Hoists - Body Lower Time - High Idle

15.9 s ( 15.9 s )

Weight Distributions - Approximate - Front Axle - Empty

46 % ( 46 % )

Weight Distributions - Approximate - Front Axle - Loaded

33 % ( 33 % )

Weight Distributions - Approximate - Rear Axle - Empty

54 % ( 54 % )

Weight Distributions - Approximate - Rear Axle - Loaded

67 % ( 67 % )

Suspension - Rear axle - Oscillation

5 ° ( 5 ° )

Steering Standards

ISO 5010:2007

Steering - Steer Angle

36 ° ( 36 ° )

Steering - Turning Diameter - Front

29.8 m ( 97.7 ft )

Tires - Standard Tire

33.00-R51 (E3 & E4)

Tires - Note (1)

Productive capabilities of the 785D truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.

Tires - Note (2)

Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.

Service Refill Capacities - Fuel Tank

1893 l ( 500 gal (US) )

Service Refill Capacities - Cooling System

379 l ( 100 gal (US) )

Service Refill Capacities - Crankcase

204 l ( 54 gal (US) )

Service Refill Capacities - Differential - Final Drives

436 l ( 115 gal (US) )

Service Refill Capacities - Steering Tank

90 l ( 24 gal (US) )

Service Refill Capacities - Steering System - Including Tank

117 l ( 31 gal (US) )

Service Refill Capacities - Brake Hoist System

337 l ( 89 gal (US) )

Service Refill Capacities - Brake Hoist System - Includes Tank

641 l ( 169 gal (US) )

Service Refill Capacities - Torque Converter - Transmission System - Including Sump

248 l ( 65.5 gal (US) )

Cab - Air Conditioning

42780 Btu/kWh ( 18390 Btu/lb )

Cab - Heater / Defroster

11070 kJ/kg ( 43930 Btu )

Cab - ROPS Standards (1)

The ROPS (Rollover Protective Structure) for the cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

Cab - FOPS Standards

The FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.

Cab - Note (1)

The operator sound exposure Leq (equivalent sound pressure level) measured according to work cycle procedures specified in ANSI/SAE J1166 MAY90 is 80 dB(A) for cab offered by Caterpillar, when properly installed, maintained and tested with doors and windows closed.

Cab - 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 APR95, mid-gear moving operation is 89 dB(A).

Cab - 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.

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