Big EOFY Savings on Cat Compact machines until 30 June 2026. T&Cs apply. View Promotion

Big EOFY Savings on Cat Compact machines until 30 June 2026. T&Cs apply. View Promotion

777 (07) Water Truck

Water Trucks
Longer description goes here
Engine Model
Cat® C32B
Gross Power - SAE J1995:2014
1025 hp/765 kW
Engine Speed
1800 r/min/1800 r/min
Net Power - SAE J1349:2011
916 hp/683 kW

Key Features

Specifications

Metric | Imperial
Engine Expand Collapse
Engine Model
Cat® C32B
Gross Power - SAE J1995:2014
1025 hp 765 kW
Engine Speed
1800 r/min 1800 r/min
Net Power - SAE J1349:2011
916 hp 683 kW
Emissions
Fuel Optimized
Cylinders
12
Bore
5.7 in 145 mm
Stroke
6.4 in 162 mm
Displacement
1959 in³ 32.1 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.
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 HRC and 4572 m (15,000 ft) for LRC machines.
Note (5)
Available as Tier 4 Final/Stage V equivalent or Tier 2/Stage II equivalent emission standards.
Maximum water flow
1800 gal(US)/min 6814 L/min
Water per spray head (minimum)
35 gal(US)/min 132.5 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
Minimum number of rear spray heads (recommended 3)
2
Minimum number of front/side spray heads
2
Maximum number of front/side spray heads
Maximum water from cannon (idle)
600 gal(US)/min 2271 L/min
Maximum water from cannon (high idle)
1650 gal(US)/min 6246 L/min
Maximum cannon spray distance
200 ft 61 m
Type
Wet water pump/hydraulic motor coupling
Note
Operator selectable coverage: 0.1 - 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)
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 HRC and 4572 m (15,000 ft) for LRC machines.
Note (5)
Available as Tier 4 Final/Stage V equivalent or Tier 2/Stage II equivalent emission standards.
Water Tank Capacity
up to 75 700 L (20,000 gal)
Note
Operator selectable coverage: 0.1 - 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.
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)
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).
Top Speed - Loaded
41.7 mile/h 67.1 km/h
Note
Operator selectable coverage: 0.1 - 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 (2)
Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Target Gross Machine Weight
363000 lb 164654 kg
Chassis Weight
115217 lb 52262 kg
Forward - 1
6.6 mile/h 10.7 km/h
Forward - 2
9.1 mile/h 14.6 km/h
Forward - 3
11.9 mile/h 19.2 km/h
Forward - 4
16.6 mile/h 26.7 km/h
Forward - 5
22.5 mile/h 36.2 km/h
Forward - 6
30.2 mile/h 48.6 km/h
Forward - 7
40.9 mile/h 65.9 km/h
Reverse
7.5 mile/h 12.1 km/h
Note
Operator selectable coverage: 0.1 - 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.
Differential Ratio
2.736:1
Planetary Ratio
7.0:1
Total Reduction Ratio
19.1576:1
Brake Surface - Front
6331 in² 40846 cm²
Brake Surface - Rear
15828 in² 102116 cm²
Brake Standards
ISO 3450:2011
Pump Flow - High Idle
6331 gpm 458 L/min
Relief Valve Setting - Raise
2750 psi 18950 kPa
Relief Valve Setting - Lower
500 psi 3450 kPa
Body Raise Time - High Idle
15 s 15 s
Body Lower Time - Float
13 s 13 s
Body Lower Time - High Idle
13 s 13 s
Front Axle - Empty
46 % 46 %
Front Axle - Loaded
33 % 33 %
Rear Axle - Empty
54 % 54 %
Rear Axle - Loaded
67 % 67 %
Empty Loaded Cylinder Stroke Front
2.9 in 74.7 mm
Empty Loaded Cylinder Stroke Rear
2.5 in 66 mm
Rear axle - Oscillation
5.4 ° 5.4 °
Steering Standards
ISO 5010:2007
Steer Angle
30.5 ° 30.5 °
Turning Diameter - Front
83 ft 25.3 m
Turning Circle - Clearance Diameter
93 ft 28.4 m
Standard Tire
27.00R49 (E4)
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.
Fuel Tank (1)
300 gal (US) 1136 l
Fuel Tank (2)
350 gal (US) 1325 l
Cooling System
63.4 gal (US) 240 l
Crankcase
28.7 gal (US) 109 l
Differentials
59.9 gal (US) 227 l
Final Drive - Each
20 gal (US) 76 l
Steering System - Including Tank
14.1 gal (US) 53.6 l
Brake Hoist System
85 gal (US) 322 l
Torque Converter - Transmission System
36.5 gal (US) 138.5 l
Air Conditioning
18390 Btu/lb 42789 Btu/kWh
Heater / Defroster
43930 Btu 11070 kJ/kg
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)
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).

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