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Off-Highway Trucks
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UNITS:
Metric
Imperial
Engine
Engine Model
Cat® 3512C HD
Cat® 3512C HD
Cat® C32B
Cat® C32B
Gross Power - SAE J1995
1082 kW
1450 HP
765 kW
1026 HP
Net Power - SAE J1349
1005 kW
1348 HP
711 kW
953 HP
Emissions
Fuel Optimized
Fuel Optimized
Fuel Optimized
Fuel Optimized
Bore
170 mm
6.7 in
145 mm
5.7 in
Stroke
215 mm
8.4 in
162 mm
6.4 in
Displacement
58.56 l
3573.6 in³
32.1 l
1959 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.
Engine Speed
-
1800 r/min
1800 r/min
Cylinders
-
12
12
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.
Cat Water Delivery System (WDS)
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
Tank Configurations
Water Tank Capacity
up to 121 133 L (32,000 gal)
up to 121 133 L (32,000 gal)
up to 75 700 L (20,000 gal)
up to 75 700 L (20,000 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)
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)
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
315,365 - 327,964 lb / 143 047 - 148 762 kg
315,365 - 327,964 lb / 143 047 - 148 762 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
151,204 - 153,221 lb / 68 585 - 69 500 kg
151,204 - 153,221 lb / 68 585 - 69 500 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
42,983 - 44,092 lb / 19 497 - 20 000 kg
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.
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.
Operating Specifications
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)
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)
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)
Top Speed - Loaded
-
67.1 km/h
41.7 mile/h
Weights - Approximate
Target Gross Machine Weight
249476 kg
550000 lb
163360 kg
360148 lb
Chassis Weight
82022 kg
180827 lb
82022 kg
180827 lb
Transmission
Forward - 1
12.1 km/h
7.5 mile/h
10.9 km/h
6.8 mile/h
Forward - 2
16.3 km/h
10.2 mile/h
14.8 km/h
9.2 mile/h
Forward - 3
22.2 km/h
13.8 mile/h
20.1 km/h
12.6 mile/h
Forward - 4
29.9 km/h
18.6 mile/h
27.1 km/h
16.9 mile/h
Forward - 5
40.6 km/h
25.2 mile/h
36.8 km/h
22.9 mile/h
Forward - 6
54.8 km/h
34 mile/h
49.4 km/h
30.7 mile/h
Reverse
11 km/h
6.8 mile/h
12.1 km/h
7.5 mile/h
Note
Maximum travel speeds with standard 33.00-R51 tires.
Maximum travel speeds with standard 33.00-R51 tires.
Maximum travel speeds with standard 27.00R49 (E4) tires.
Maximum travel speeds with standard 27.00R49 (E4) tires.
Forward - 7
-
67.1 km/h
41.7 mile/h
Final Drives
Differential Ratio
2.10:1
2.10:1
2.74:1
2.74:1
Planetary Ratio
10.83:1
10.83:1
7.00:1
7.00:1
Total Reduction Ratio
22.75:1
22.75:1
19.16:1
19.16:1
Braking System
Brake Surface - Front
61270 cm²
9497 in²
2787 cm²
432 in²
Brake Surface - Rear
89729 cm²
13908 in²
102116 cm²
15828 in²
Brake Standards
ISO 3450:2011
ISO 3450:2011
ISO 3450:2011
ISO 3450:2011
Body Hoists
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
-
Body Raise Time - High Idle
15.2 s
15.2 s
15 s
15 s
Body Lower Time - Float
16.2 s
16.2 s
13 s
13 s
Body Lower Time - High Idle
15.9 s
15.9 s
13 s
13 s
Weight Distributions - Approximate
Front Axle - Empty
46 %
46 %
46 %
46 %
Front Axle - Loaded
33 %
33 %
30 %
30 %
Rear Axle - Empty
54 %
54 %
54 %
54 %
Rear Axle - Loaded
67 %
67 %
70 %
70 %
Suspension
Rear axle - Oscillation
5 °
5 °
5.4 °
5.4 °
Effective Cylinder Stroke - Front
-
318 mm
12.5 in
Effective Cylinder Stroke - Rear
-
165 mm
6.5 in
Steering
Steering Standards
ISO 5010:2007
ISO 5010:2007
ISO 5010:2007
ISO 5010:2007
Steer Angle
36 °
36 °
30.5 °
30.5 °
Turning Diameter - Front
29.8 m
97.7 ft
25.3 m
83 ft
Turning Circle - Clearance Diameter
-
28.4 m
93.2 ft
Tires
Standard Tire
33.00-R51 (E3 & E4)
33.00-R51 (E3 & E4)
27.00R49 (E4)
27.00R49 (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.
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.
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.
Service Refill Capacities
Fuel Tank
1893 l
500 gal (US)
-
Cooling System
379 l
100 gal (US)
212 l
56 gal (US)
Crankcase
204 l
54 gal (US)
115 l
30 gal (US)
Differential - Final Drives
436 l
115 gal (US)
-
Steering Tank
90 l
24 gal (US)
-
Steering System - Including Tank
117 l
31 gal (US)
60 l
16 gal (US)
Brake Hoist System
337 l
89 gal (US)
420 l
110 gal (US)
Brake Hoist System - Includes Tank
641 l
169 gal (US)
-
Torque Converter - Transmission System - Including Sump
248 l
65.5 gal (US)
-
Fuel Tank (1)
-
1140 l
300 gal (US)
Differentials
-
222 l
59 gal (US)
Torque Converter - Transmission System
-
125 l
33 gal (US)
Cab
Air Conditioning
42780 Btu/kWh
18390 Btu/lb
42789 Btu/kWh
18390 Btu/lb
Heater / Defroster
11070 kJ/kg
43930 Btu
11070 kJ/kg
43930 Btu
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.
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.
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.
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.
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.
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.
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.
-