Exterior View
Interior View

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

Longer description goes here

Engine Model
Cat® C32B
Gross Power – SAE J1995
Engine Speed
Net Power – SAE J1349
Fuel Optimized
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 (2)
Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
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 Tier 4/Stage V.
Note (5)
Available as Tier 4 Final/Stage V equivalent, Tier 3/Stage IIIA equivalent, or Tier 2/Stage II equivalent emission standards.
Water Tank Capacity
up to 75 700 L (20,000 gal)
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)
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.
Top Speed – Loaded
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)
Target Gross Machine Weight
Chassis Weight
Brake Surface – Front
Brake Surface – Rear
Brake Standards
ISO 3450:2011
Pump Flow – High Idle
Relief Valve Setting – Raise
Relief Valve Setting – Lower
Body Raise Time – High Idle
Body Lower Time – Float
Body Lower Time – High Idle
Empty Loaded Cylinder Stroke Front
Empty Loaded Cylinder Stroke Rear
Rear axle – Oscillation
Steering Standards
ISO 5010:2007
Steer Angle
Turning Diameter – Front
Turning Circle – Clearance Diameter
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.
Fuel Tank (1)
300gal (US)
Fuel Tank (2)
350gal (US)
Cooling System
63.4gal (US)
28.7gal (US)
59.9gal (US)
Final Drive – Each
20gal (US)
Steering System – Including Tank
14.1gal (US)
Brake Hoist System
85gal (US)
Torque Converter – Transmission System
36.5gal (US)
Air Conditioning
Heater / Defroster
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 t
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.
Maximum water flow
Water per spray head (minimum)
Water per spray head (maximum)
Spray head opening range (minimum)
Spray head opening range (maximum)
Maximum size debris flushed through spray head
Spray system hydraulic tank capacity
7.25gal (US)
Maximum number of rear spray heads
Minimum number of rear spray heads (recommended 3)
Minimum number of front/side spray heads
Maximum number of front/side spray heads
Maximum water from cannon (idle)
Maximum water from cannon (high idle)
Maximum cannon spray distance
Wet water pump/hydraulic motor coupling
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.
Note (2)
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.
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)
Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate
Front Axle – Empty
Front Axle – Loaded
Rear Axle – Empty
Rear Axle – Loaded
Forward – 1
Forward – 2
Forward – 3
Forward – 4
Forward – 5
Forward – 6
Forward – 7
Maximum travel speeds with standard 27.00R49 (E4) tires.
Differential Ratio
Planetary Ratio
Total Reduction Ratio
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Powertrain
    • Autostall
    • Engine idle shutdown
    • Air-To-Air Aftercooler (ATAAC)
    • Air cleaner with precleaner (2)
    • Automatic cold mode idle control
    • Electric priming pump
    • Electric cold weather start (two starters and four batteries)
    • Ether starting aid
    • Exhaust, muffler
    • Fuel filter/water separator
    • Turbocharger (2)
    • Braking system:
      – Extended Life Brakes
      – Brake wear indicator
      – Automatic Retarder Control (ARC) (utilizes oil-cooled, multiple disc brakes)
      – Brake release motor (towing)
      – Manual retarder (utilizes oil-cooled, multiple disc brakes)
      – Oil-cooled, multiple disc (front/rear)
      – Parking
      – Secondary
      – Service
    • Transmission
      – Auto neutral idle
      – APECS Software
      – ECPC
    • Part Throttle Shifting
      – 7-speed automatic powershift with Torque Shift Management Electronic Clutch Pressure Control
      – Body up-shift inhibitor
      – Directional shift management
      – Downshift inhibitor
      – Neutral start switch
      – Neutral coast inhibitor
      – Reverse shift inhibitor
      – Reverse neutralizer during dumping
      – Programmable top gear selection
  • Suspension Systems
    • Suspension, rear
  • Electrical
    • Alarm, backup
    • Alternator, 115 ampere
    • Auxiliary jump start receptacle
    • Batteries, maintenance-free, 12V (4), 190 amp-hour
    • Electrical system, 25 AMP, 24V to 12V converter
    • Lighting system
      – Backup light (halogen)
      – Directional signals/hazard warning, (front and rear LED)
      – Headlights, (halogen) with dimmer
      – Payload, indicator lights
      – Operator access courtesy lights
      – Side profile lights
      – Stop/tail lights (LED)
      – Service lights
  • Operator Environment
    • Air conditioning
    • Ashtray and cigarette lighter
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Entertainment Radio Ready
      – 5 amp converter
      – Speakers
      – Antenna
      – Wiring harness
    • Gauges/indicators
      – Brake oil temperature gauge
      – Coolant temperature gauge
      – Hour meter
      – Tachometer
      – Engine overspeed indicator
      – Fuel level
      – Speedometer with odometer
      – Transmission gear indicator
    • Heater/defroster (11 070 kCal/43,930 BTU)
    • Auto temp control
    • Fluid level monitoring
    • Hoist lever
    • Horn, electric
    • Light – dome
    • Light – courtesy
    • Load counter, automatic
    • Advisor display
    • VIMS
    • TPMS
    • Foot rest
    • Mirrors – heated
    • Power port, 24V and 12V (2)
    • ROPS cab, insulated/sound suppressed
    • Cat Comfort Series III
      – Full air suspension
      – Retractable 3-point seat belt with shoulder harness
    • Steering wheel, padded, tilt and telescopic
    • Storage compartment
    • Sun visor
    • Throttle lock
    • Window, right side, hinged access/egress
    • Electric left side window control
    • Windshield wiper (intermittent) and washer
    • Tinted, laminated glass
  • 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
  • Guards
    • Engine crankcase
    • Driveline
    • Fan and A/C
  • Fluids
    • Extended Life Coolant to –35° C (–30° F)
  • Other Standard Equipment
    • Body mounting group
    • Body safety pin (secures body in up position)
    • Body down indicator
    • CD-ROM parts book
    • Center-mounted rims
    • Fuel tank (1136 L/300 gal)
    • Ground level battery disconnect
    • Ground level engine shutdown
    • Ground level grease fittings
    • Reservoirs (separate)
      – Brake/hoist
      – Steering
      – Transmission/torque converter
    • Rims 19.5 × 49
    • Rock ejectors
    • Supplemental steering (automatic)
    • Tie down eyes
    • Tow hooks (front)/Tow pin (rear)
    • Vandalism protection locks
    • Wiggins fast fuel
    • Traction Control System (TCS) (new version)
    • Attachment Zone
  • 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)
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Optional Equipment
    • Cab precleaner
    • Cat Engine Brake
    • Clustered grease fittings
    • Cold weather packages
    • Fluid fill service center
    • HID lights
    • Mirrors, convex
    • Mirrors, heated
    • Spare rim
    • Visibility package (meets ISO 5006 requirements)
    • Wheel chocks
    • Work Area Vision System (WAVS)
  • Cat Technology Products
    • Cat MineStar Edge: Level 2 – Premium (Production Recording)**
    • **Phased introduction 2022

Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably