Introducing a fully integrated water solutions to the market – combining a truck, tank, and water delivery system – connected with scalable levels of technology to help you solve overwatering and underwatering issues with a focus on sustainable operations.

Water Trucks 785D Water Truck

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Key Specs

Engine Model
Cat® 3512C HD
Cat® 3512C HD
Gross Power - SAE J1995
1450 HP
1082 kW
Water Tank Capacity
up to 121 133 L (32,000 gal)
up to 121 133 L (32,000 gal)

Overview

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. 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.

Benefits

Enhance Safety & Productivity at Your Quarry or Mine Site

Know where and when to water – lower dust levels, increase visibility, maintain haul road safety

Scalable Connectivity with Cat® MineStar Edge™

Cloud-hosted service offering (by site or asset) with scalable levels of technology to fit your needs

Reduce Costs Sustainably & Efficiently

The Cat® Water Delivery System (WDS) provides variable water flow based on truck speed and determines appropriate flow to conserve water

Product Specifications for 785D Water Truck

Engine Model Cat® 3512C HD Cat® 3512C HD
Gross Power - SAE J1995 1450 HP 1082 kW
Net Power - SAE J1349 1348 HP 1005 kW
Emissions Fuel Optimized Fuel Optimized
Bore 6.7 in 170 mm
Stroke 8.4 in 215 mm
Displacement 3573.6 in³ 58.56 l
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. 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.
Maximum water flow 1200 gal(US)/min 3785 l/min
Water per spray head (minimum) 35 gal(US)/min 130 l/min
Water per spray head (maximum) 600 gal(US)/min 2270 l/min
Spray head opening range (minimum) 0.04 in 1 mm
Spray head opening range (maximum) 0.75 in 19 mm
Maximum size debris flushed through spray head 0.75 in 19 mm
Spray system hydraulic tank capacity 7.25 gal (US) 27.5 l
Maximum number of rear spray heads 5 5
Minimum number of rear spray heads (recommended 3) 2 2
Minimum number of front/side spray heads 2 2
Maximum number of front/side spray heads 0 0
Maximum water from cannon (idle) 600 gal(US)/min 2271 l/min
Maximum water from cannon (high idle) 1250 gal(US)/min 4732 l/min
Maximum cannon spray distance 200 ft 61 m
Type Wet water pump/hydraulic motor coupling 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. 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) Opening is automatically controlled by the system to achieve AutoMode Coverage or Manual Mode Flow Rate. Opening is automatically controlled by the system to achieve AutoMode Coverage or Manual Mode Flow Rate.
Note (2) AutoMode Spray controls water coverage automatically to the number of heads being used and ground speed achieved. AutoMode Spray controls water coverage automatically to the number of heads being used and ground speed achieved.
Note (3) Manual Mode allows the operator to set a water flow rate that is constant regardless of ground speed. Manual Mode allows the operator to set a water flow rate that is constant regardless of ground speed.
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. 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) Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate
Water Tank Capacity up to 121 133 L (32,000 gal) up to 121 133 L (32,000 gal)
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) 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)
Machine Weight (with water tank full) 480,655 lb - 520,237 lb / 218 022 kg - 235 976 kg 480,655 lb - 520,237 lb / 218 022 kg - 235 976 kg
Empty Machine Operating Weight (without water / with fuel) 241,647 lb - 251,098 lb / 109 610 kg - 113 896 kg 241,647 lb - 251,098 lb / 109 610 kg - 113 896 kg
Water Tank - Max Empty Weight (no WDS) 57,320 lb - 66,769 lb / 26 000 kg - 30 286 kg 57,320 lb - 66,769 lb / 26 000 kg - 30 286 kg
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. Cat branded tanks include additional features and options commonly selected by customers in the industry. Splash guards, fill chute, and rock ejectors are standard.
Note (2) Hoist cylinder mounting on all tank offerings enhances serviceability. Hoist cylinder mounting on all tank offerings enhances serviceability.
Note Water Tank Capacity Range: 110 000 - 121 133 L (29,059 - 32,000 gal) Water Tank Capacity Range: 110 000 - 121 133 L (29,059 - 32,000 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) Operator selectable coverage: 0.2-0.8 L/m² (4 kph - 40 kph) / 0.5-0.2 gal/ft² (3 mph - 25 mph)
Target Gross Machine Weight 550000 lb 249476 kg
Chassis Weight 180827 lb 82022 kg
Forward - 1 7.5 mile/h 12.1 km/h
Forward - 2 10.2 mile/h 16.3 km/h
Forward - 3 13.8 mile/h 22.2 km/h
Forward - 4 18.6 mile/h 29.9 km/h
Forward - 5 25.2 mile/h 40.6 km/h
Forward - 6 34 mile/h 54.8 km/h
Reverse 6.8 mile/h 11 km/h
Note Maximum travel speeds with standard 33.00-R51 tires. Maximum travel speeds with standard 33.00-R51 tires.
Differential Ratio 2.10:1 2.10:1
Planetary Ratio 10.83:1 10.83:1
Total Reduction Ratio 22.75:1 22.75:1
Brake Surface - Front 9497 in² 61270 cm²
Brake Surface - Rear 13908 in² 89729 cm²
Brake Standards ISO 3450:2011 ISO 3450:2011
Pump Flow - High Idle 198 gal/min 750 l/min
Relief Valve Setting - Raise 2500 psi 17238 kPa
Relief Valve Setting - Lower 500 psi 3450 kPa
Body Raise Time - High Idle 15.2 s 15.2 s
Body Lower Time - Float 16.2 s 16.2 s
Body Lower Time - High Idle 15.9 s 15.9 s
Front Axle - Empty 46 % 46 %
Front Axle - Loaded 33 % 33 %
Rear Axle - Empty 54 % 54 %
Rear Axle - Loaded 67 % 67 %
Rear axle - Oscillation 5 ° 5 °
Steering Standards ISO 5010:2007 ISO 5010:2007
Steer Angle 36 ° 36 °
Turning Diameter - Front 97.7 ft 29.8 m
Standard Tire 33.00-R51 (E3 & E4) 33.00-R51 (E3 & E4)
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. 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.
Note (2) Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Fuel Tank 500 gal (US) 1893 l
Cooling System 100 gal (US) 379 l
Crankcase 54 gal (US) 204 l
Differential - Final Drives 115 gal (US) 436 l
Steering Tank 24 gal (US) 90 l
Steering System - Including Tank 31 gal (US) 117 l
Brake Hoist System 89 gal (US) 337 l
Brake Hoist System - Includes Tank 169 gal (US) 641 l
Torque Converter - Transmission System - Including Sump 65.5 gal (US) 248 l
Air Conditioning 18390 Btu/lb 42780 Btu/kWh
Heater / Defroster 43930 Btu 11070 kJ/kg
ROPS Standards (1) The ROPS (Rollover Protective Structure) for the cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. The ROPS (Rollover Protective Structure) for the cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS Standards The FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. The FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
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. 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.
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). 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).
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. 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.

785D Water Truck 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)

785D Water Truck Optional Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

OPERATOR ENVIRONMENT

  • Vacuum, cab clean-out
  • Hose, cab clean-out

COLD WEATHER

  • Starting, Cold Weather

TIRES AND RIMS

  • Spare rims

INFORMATION MANAGEMENT

  • Control, Road Analysis (RAC)

SERVICE CENTER

  • Service Center, Wiggins

MISCELLANEOUS

  • Fire extinguisher, portable
  • Hub Odometer, Kilometers
  • Hub Odometer, Miles
  • Wheel Chocks
  • Heater, Diesel fuel

POWERTRAIN

  • Cat 3512C HD-EUI diesel engine
  • Oil renewal system
  • Oil cooler, rear axle
  • Pre-lube, engine

CAT TECHNOLOGY PRODUCTS

  • Cat MineStar Edge™: Level 2 - Premium (Production Recording)**
  • **Phased introduction 2022

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Cat Water Delivery System

Cat Water Delivery System Operator Controls Video

Cat Water Delivery System
Cat Water Delivery System Operator Controls Video

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