COMPARE MODELS
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Water Trucks
777 (07) Water Truck
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Engine Model
Cat® C32B
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Gross Power - SAE J1995
1025 HP
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Engine Speed
1800 r/min
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Net Power - SAE J1349
916 HP
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Emissions
Fuel Optimized
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Cylinders
12
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Bore
5.7 in
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Stroke
6.4 in
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Displacement
1959 in³
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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.
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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).
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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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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.
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Note (5)
Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate
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Maximum water flow
1200 gal(US)/min
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Water per spray head (minimum)
35 gal(US)/min
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Water per spray head (maximum)
600 gal(US)/min
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Spray head opening range (minimum)
0.04 in
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Spray head opening range (maximum)
0.75 in
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Maximum size debris flushed through spray head
0.75 in
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Spray system hydraulic tank capacity
7.25 gal (US)
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Maximum number of rear spray heads
5
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Minimum number of rear spray heads (recommended 3)
2
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Minimum number of front/side spray heads
2
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Maximum number of front/side spray heads
0
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Maximum water from cannon (idle)
600 gal(US)/min
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Maximum water from cannon (high idle)
1250 gal(US)/min
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Maximum cannon spray distance
200 ft
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Type
Wet water pump/hydraulic motor coupling
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Note
Maximum travel speeds with standard 27.00R49 (E4) tires.
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Water Tank Capacity
up to 75 700 L (20,000 gal)
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Machine Weight (with water tank full)
327,964 - 327,964 lb / 147 172 - 148 762 kg
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Empty Machine Operating Weight (without water / with fuel)
160,307 - 162,323 lb / 72 714 - 73 629 kg
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Water Tank - Max Empty Weight (no WDS)
42,983 - 44,092 lb / 19 497 - 20 000 kg
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Top Speed - Loaded
41.7 mile/h
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Target Gross Machine Weight
363000 lb
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Chassis Weight
115217 lb
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Forward - 1
6.6 mile/h
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Forward - 2
9.1 mile/h
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Forward - 3
11.9 mile/h
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Forward - 4
16.6 mile/h
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Forward - 5
22.5 mile/h
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Forward - 6
30.2 mile/h
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Forward - 7
40.9 mile/h
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Reverse
7.5 mile/h
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Differential Ratio
2.736:1
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Planetary Ratio
7.0:1
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Total Reduction Ratio
19.1576:1
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Brake Surface - Front
6331 in²
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Brake Surface - Rear
15828 in²
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Brake Standards
ISO 3450:2011
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Pump Flow - High Idle
6331 gal/min
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Relief Valve Setting - Raise
2750 psi
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Relief Valve Setting - Lower
500 psi
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Body Raise Time - High Idle
15 s
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Body Lower Time - Float
13 s
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Body Lower Time - High Idle
13 s
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Front Axle - Empty
46 %
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Front Axle - Loaded
33 %
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Rear Axle - Empty
54 %
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Rear Axle - Loaded
67 %
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Empty Loaded Cylinder Stroke Front
2.9 in
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Empty Loaded Cylinder Stroke Rear
2.5 in
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Rear axle - Oscillation
5.4 °
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Steering Standards
ISO 5010:2007
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Steer Angle
30.5 °
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Turning Diameter - Front
83 ft
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Turning Circle - Clearance Diameter
93 ft
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Standard Tire
27.00R49 (E4)
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Fuel Tank (1)
300 gal (US)
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Fuel Tank (2)
350 gal (US)
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Cooling System
63.4 gal (US)
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Crankcase
28.7 gal (US)
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Differentials
59.9 gal (US)
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Final Drive - Each
20 gal (US)
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Steering System - Including Tank
14.1 gal (US)
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Brake Hoist System
85 gal (US)
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Torque Converter - Transmission System
36.5 gal (US)
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Air Conditioning
18390 Btu/lb
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Heater / Defroster
43930 Btu
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ROPS Standards (1)
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
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FOPS Standards
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
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