Off-Highway Trucks

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777 (05) Water Truck
UNITS:
Metric
Imperial
Engine Model
Cat® C32B
Cat® C32B
 
Cat® 3512C HD
Cat® 3512C HD
Gross Power - SAE J1995
765 kW
1026 HP
 
1082 kW
1450 HP
Engine Speed
1800 r/min
1800 r/min
 
-
Net Power - SAE J1349
711 kW
953 HP
 
1005 kW
1348 HP
Emissions
Fuel Optimized
Fuel Optimized
 
Fuel Optimized
Fuel Optimized
Cylinders
12
12
 
-
Bore
145 mm
5.7 in
 
170 mm
6.7 in
Stroke
162 mm
6.4 in
 
215 mm
8.4 in
Displacement
32.1 l
1959 in³
 
58.56 l
3573.6 in³
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.
 
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.
Note (2)
No engine derating required up to 3048 m (10,000 ft) altitude.
No engine derating required up to 3048 m (10,000 ft) altitude.
 
-
Note (3)
Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 2.
Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 2.
 
-
Maximum water flow
3785 l/min
1200 gal(US)/min
 
3785 l/min
1200 gal(US)/min
Water per spray head (minimum)
130 l/min
35 gal(US)/min
 
130 l/min
35 gal(US)/min
Water per spray head (maximum)
2270 l/min
600 gal(US)/min
 
2270 l/min
600 gal(US)/min
Spray head opening range (minimum)
1 mm
0.04 in
 
1 mm
0.04 in
Spray head opening range (maximum)
19 mm
0.75 in
 
19 mm
0.75 in
Maximum size debris flushed through spray head
19 mm
0.75 in
 
19 mm
0.75 in
Spray system hydraulic tank capacity
27.5 l
7.25 gal (US)
 
27.5 l
7.25 gal (US)
Maximum number of rear spray heads
5
5
 
5
5
Minimum number of rear spray heads (recommended 3)
2
2
 
2
2
Minimum number of front/side spray heads
2
2
 
2
2
Maximum number of front/side spray heads
0
0
 
0
0
Maximum water from cannon (idle)
2271 l/min
600 gal(US)/min
 
2271 l/min
600 gal(US)/min
Maximum water from cannon (high idle)
4732 l/min
1250 gal(US)/min
 
4732 l/min
1250 gal(US)/min
Maximum cannon spray distance
61 m
200 ft
 
61 m
200 ft
Type
Wet water pump/hydraulic motor coupling
Wet water pump/hydraulic motor coupling
 
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.
 
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.
 
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.
 
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.
 
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.
 
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 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 75 700 L (20,000 gal)
up to 75 700 L (20,000 gal)
 
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: 75 400 - 75 700 L (19,900 - 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)
 
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)
315,365 - 327,964 lb / 143 047 - 148 762 kg
315,365 - 327,964 lb / 143 047 - 148 762 kg
 
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)
151,204 - 153,221 lb / 68 585 - 69 500 kg
151,204 - 153,221 lb / 68 585 - 69 500 kg
 
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)
42,983 - 44,092 lb / 19 497 - 20 000 kg
42,983 - 44,092 lb / 19 497 - 20 000 kg
 
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.
 
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.
 
Hoist cylinder mounting on all tank offerings enhances serviceability.
Hoist cylinder mounting on all tank offerings enhances serviceability.
Top Speed - Loaded
67.1 km/h
41.7 mile/h
 
-
Note
Water Tank Capacity Range: 69 700 - 75 700 L (18,400 - 20,000 gal)
Water Tank Capacity Range: 69 700 - 75 700 L (18,400 - 20,000 gal)
 
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)
 
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
163360 kg
360148 lb
 
249476 kg
550000 lb
Chassis Weight
82022 kg
180827 lb
 
82022 kg
180827 lb
Forward - 1
10.9 km/h
6.8 mile/h
 
12.1 km/h
7.5 mile/h
Forward - 2
14.8 km/h
9.2 mile/h
 
16.3 km/h
10.2 mile/h
Forward - 3
20.1 km/h
12.6 mile/h
 
22.2 km/h
13.8 mile/h
Forward - 4
27.1 km/h
16.9 mile/h
 
29.9 km/h
18.6 mile/h
Forward - 5
36.8 km/h
22.9 mile/h
 
40.6 km/h
25.2 mile/h
Forward - 6
49.4 km/h
30.7 mile/h
 
54.8 km/h
34 mile/h
Forward - 7
67.1 km/h
41.7 mile/h
 
-
Reverse
12.1 km/h
7.5 mile/h
 
11 km/h
6.8 mile/h
Note
Maximum travel speeds with standard 27.00R49 (E4) tires.
Maximum travel speeds with standard 27.00R49 (E4) tires.
 
Maximum travel speeds with standard 33.00-R51 tires.
Maximum travel speeds with standard 33.00-R51 tires.
Differential Ratio
2.74:1
2.74:1
 
2.10:1
2.10:1
Planetary Ratio
7.00:1
7.00:1
 
10.83:1
10.83:1
Total Reduction Ratio
19.16:1
19.16:1
 
22.75:1
22.75:1
Brake Surface - Front
2787 cm²
432 in²
 
61270 cm²
9497 in²
Brake Surface - Rear
102116 cm²
15828 in²
 
89729 cm²
13908 in²
Brake Standards
ISO 3450:2011
ISO 3450:2011
 
ISO 3450:2011
ISO 3450:2011
Body Raise Time - High Idle
15 s
15 s
 
15.2 s
15.2 s
Body Lower Time - Float
13 s
13 s
 
16.2 s
16.2 s
Body Lower Time - High Idle
13 s
13 s
 
15.9 s
15.9 s
Pump Flow - High Idle
-
 
750 l/min
198 gal/min
Relief Valve Setting - Raise
-
 
17238 kPa
2500 psi
Relief Valve Setting - Lower
-
 
3450 kPa
500 psi
Front Axle - Empty
46 %
46 %
 
46 %
46 %
Front Axle - Loaded
30 %
30 %
 
33 %
33 %
Rear Axle - Empty
54 %
54 %
 
54 %
54 %
Rear Axle - Loaded
70 %
70 %
 
67 %
67 %
Effective Cylinder Stroke - Front
318 mm
12.5 in
 
-
Effective Cylinder Stroke - Rear
165 mm
6.5 in
 
-
Rear axle - Oscillation
5.4 °
5.4 °
 
5 °
5 °
Steering Standards
ISO 5010:2007
ISO 5010:2007
 
ISO 5010:2007
ISO 5010:2007
Steer Angle
30.5 °
30.5 °
 
36 °
36 °
Turning Diameter - Front
25.3 m
83 ft
 
29.8 m
97.7 ft
Turning Circle - Clearance Diameter
28.4 m
93.2 ft
 
-
Standard Tire
27.00R49 (E4)
27.00R49 (E4)
 
33.00-R51 (E3 & E4)
33.00-R51 (E3 & 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.
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.
 
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.
 
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 (1)
1140 l
300 gal (US)
 
-
Cooling System
212 l
56 gal (US)
 
379 l
100 gal (US)
Crankcase
115 l
30 gal (US)
 
204 l
54 gal (US)
Differentials
222 l
59 gal (US)
 
-
Steering System - Including Tank
60 l
16 gal (US)
 
117 l
31 gal (US)
Brake Hoist System
420 l
110 gal (US)
 
337 l
89 gal (US)
Torque Converter - Transmission System
125 l
33 gal (US)
 
-
Fuel Tank
-
 
1893 l
500 gal (US)
Differential - Final Drives
-
 
436 l
115 gal (US)
Steering Tank
-
 
90 l
24 gal (US)
Brake Hoist System - Includes Tank
-
 
641 l
169 gal (US)
Torque Converter - Transmission System - Including Sump
-
 
248 l
65.5 gal (US)
Air Conditioning
42789 Btu/kWh
18390 Btu/lb
 
42780 Btu/kWh
18390 Btu/lb
Heater / Defroster
11070 kJ/kg
43930 Btu
 
11070 kJ/kg
43930 Btu
ROPS Standards (1)
Rollover protective structure (ROPS) cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.
Rollover protective structure (ROPS) cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.
 
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
Falling objects protective structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II FOPS for trainer.
Falling objects protective structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II FOPS for trainer.
 
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 dynamic operator sound pressure level is 80 dB(A) as per ISO 6396:2008 for cab offered by Caterpillar. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.
The dynamic operator sound pressure level is 80 dB(A) as per ISO 6396:2008 for cab offered by Caterpillar. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab 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.
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.
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