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Off-Highway Trucks
785D
Off-Highway Trucks
785
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789
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Off-Highway Trucks
Selected
785D
785D
Off-Highway Trucks
785
785
Off-Highway Trucks
789
789
 
Engine
Gross Power - SAE J1995:2014
-
-
2100 HP 1566 kW
Gross Power - SAE J1995
1450 HP 1082 kW
1600 HP 1193 kW
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Net Power - SAE J1349
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1509 HP 1125 kW
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Engine Model
Cat® 3512C HD Cat® 3512C HD
Cat� 3512E Cat� 3512E
Cat® 3516E Cat® 3516E
Emissions Rating
-
Fuel Optimized Fuel Optimized
Fuel Optimized Fuel Optimized
Net Power - SAE J1349:2011
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-
1975 HP 1473 kW
Rated Speed
-
-
1650 r/min 1650 r/min
Bore
6.7 in 170 mm
6.7 in 170 mm
6.7 in 170 mm
Stroke
8.4 in 215 mm
8.5 in 215 mm
8.5 in 215 mm
Displacement
3573.6 in³ 58.56 l
3573 in³ 58.56 l
4766 in³ 7.8 l
Note (1)
-
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2)
-
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Optional 1417 kW / 1,900 HP engine rating. Optional 1417 kW / 1,900 HP engine rating.
Note (3)
-
Additional fuel optimized selectable power ratings: 1,450 hp Additional fuel optimized selectable power ratings: 1,450 hp
U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.
Weights - Approximate
Nominal Rated Payload
155 ton (US) 141 t
-
213 ton (US) 193 t
Nominal Rated Payload (33.00R51 Tires)
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153 ton (US) 139 t
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Rated Gross Machine Weight
550000 lb 249476 kg
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715000 lb 324318 kg
Rated Gross Machine Weight (33.00R51 tires)
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550000 lb 249476 kg
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Nominal Rated Payload (36.00R51 Tires)
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157 ton (US) 142 t
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Body Weight - MSD
46738 lb 21200 kg
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-
Rated Gross Machine Weight (36.00R51 tires)
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564000 lb 255826 kg
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Chassis Weight (33.00R51 Tires)
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186799 lb 84731 kg
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Chassis Weight (36.00R51 Tires)
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193192 lb 87631 kg
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Body Weight
-
57779 lb 26208 kg
60406 lb 27400 kg
Chassis Weight
183270 lb 83130 kg
-
-
Note (1)
-
Consult your tire manufacturer for maximum tire load Consult your tire manufacturer for maximum tire load
Consult your tire manufacturer for maximum tire load Consult your tire manufacturer for maximum tire load
Note (2)
-
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires. Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires. Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires.
Note (3)
-
Body weight varies depending on body selection and configuration. Body weight varies depending on body selection and configuration.
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Transmission
Forward - 1
7.5 mile/h 12.1 km/h
7.5 mile/h 12.1 km/h
7.8 mile/h 12.6 km/h
Forward - 2
10.2 mile/h 16.3 km/h
10.2 mile/h 16.3 km/h
10.6 mile/h 17.1 km/h
Forward - 3
13.8 mile/h 22.2 km/h
13.8 mile/h 22.2 km/h
14.4 mile/h 23.1 km/h
Forward - 4
18.6 mile/h 29.9 km/h
18.6 mile/h 29.9 km/h
19.4 mile/h 31.2 km/h
Forward - 5
25.2 mile/h 40.6 km/h
25.2 mile/h 40.6 km/h
26.3 mile/h 42.3 km/h
Forward - 6
34 mile/h 54.8 km/h
34 mile/h 54.8 km/h
35.5 mile/h 57.2 km/h
Reverse
6.8 mile/h 11 km/h
6.8 mile/h 11 km/h
7.3 mile/h 11.8 km/h
Top Speed - Loaded
34 mile/h 54.8 km/h
34 mile/h 54.8 km/h
35.5 mile/h 57.2 km/h
Note
-
Maximum travel speeds with standard 33.00-R51 tires. Maximum travel speeds with standard 33.00-R51 tires.
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Final Drives
Type
-
Double reduction, planetary with full floating axles. Double reduction, planetary with full floating axles.
Double reduction, planetary with full floating axles Double reduction, planetary with full floating axles
Differential Ratio
2.10:1 2.10:1
2:10:01 2:10:01
2.35:1 2.35:1
Planetary Ratio
10.83:1 10.83:1
10.83:1 10.83:1
10.83:1 10.83:1
Total Reduction Ratio
22.75:1 22.75:1
22.75:1 22.75:1
25.46:1 25.46:1
Suspension
Type
-
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments
Effective Cylinder Stroke - Front
12.6 in 320 mm
12.6 in 320 mm
4.12 in 104.65 mm
Effective Cylinder Stroke - Rear
6.5 in 165 mm
6.5 in 165 mm
3.67 in 93.22 mm
Rear axle - Oscillation
-
+/- 5 degrees +/- 5 degrees
+/- 5 degrees +/- 5 degrees
Braking System
Service Brakes
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Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
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9487 in² 61270 cm²
12662 in² 81693 cm²
Rear - Wet Disc Brake Surface Area
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13908 in² 89728 cm²
20861 in² 134590 cm²
Standards
-
Service and Secondary: ISO 3450:2011 Service and Secondary: ISO 3450:2011
(Service and Secondary) ISO 3450:2011 (Service and Secondary) ISO 3450:2011
Parking Brake
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Four corner, multi disc, spring applied, hydraulically released Four corner, multi disc, spring applied, hydraulically released
Four-corner, Multi-disc, Spring applied, Hydraulically Released Four-corner, Multi-disc, Spring applied, Hydraulically Released
Brakes
Brake Surface - Front
9497 in² 61269 cm²
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-
Brake Surface - Rear
13908 in² 89727 cm²
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-
Standards
ISO 3450:2011 ISO 3450:2011
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Body Hoists
Type
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Twin, two-stage hydraulic cylinders with snubbing valve. Twin, two-stage hydraulic cylinders with snubbing valve.
Twin, two-stage hydraulic cylinders with snubbing valve. Twin, two-stage hydraulic cylinders with snubbing valve.
Body Lower Time - Float High Idle
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15.9 s 15.9 s
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Body Lower Time - Float Low Idle
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16.2 s 16.2 s
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Body Power Down- High Idle
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15.9 s 15.9 s
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Pump Flow - High Idle
198 gal/min 750 l/min
192.7 gal/min 729.6 l/min
106.5 gal/min 403 l/min
Relief Valve Setting - Raise
2500 psi 17238 kPa
2500 psi 17238 kPa
2749 psi 18950 kPa
Body Raise Time - High Idle
15.2 s 15.2 s
15.2 s 15.2 s
14 s 14 s
Body Lower Time - High Idle
15.9 s 15.9 s
-
-
Body Lower Time - Float
16.2 s 16.2 s
-
16 s 16 s
Body Power Down - High Idle
15.9 s 15.9 s
-
-
Capacity - MSD II - 100% Fill Factor
Struck
-
72 m^3 / 94 yd^3 72 m^3 / 94 yd^3
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Heaped (SAE 2:1)
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99 m^3 / 129 yd^3 99 m^3 / 129 yd^3
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Note
-
Consult your local Cat dealer for body recommendations. Consult your local Cat dealer for body recommendations.
-
Capacity - HP Body - 100% Fill Factor
Struck
-
-
77 m3(101 yd3) 77 m3(101 yd3)
Heaped (SAE 2:1)*
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-
143 m3(187 yd2) 143 m3(187 yd2)
Note (1)
-
-
Consult your local Cat dealer for body recommendations Consult your local Cat dealer for body recommendations
Body - Dual Slope
Body Weight
49150 lb 22295 kg
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-
Heaped (SAE 2:1)
102 yd³ 78 m³
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-
Body - X
Body Weight
55468 lb 25160 kg
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Heaped (SAE 2:1)
111 yd³ 85 m³
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Steering
Turning Diameter - ISO 7457:1997 (33.00R51 tires)
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97.75 ft 29.8 m
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Steer Angle
24 ° 24 °
36 ° 36 °
36.07 ° 36.07 °
Turning Diameter - Front
97.7 ft 29.8 m
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-
Steering Standards
ISO 5010:2007 ISO 5010:2007
ISO 5010:2007 ISO 5010:2007
ISO 5010:2007 ISO 5010:2007
Weight Distributions - Approximate
Front Axle - Empty
-
48% 48%
50% 50%
Front Axle - Empty*
45-46% 45-46%
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-
Rear Axle - Empty*
54-55% 54-55%
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Front Axle - Loaded - Target
33 % 33 %
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Front Axle - Loaded
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33% 33%
33% 33%
Rear Axle - Loaded - Target
67 % 67 %
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-
Rear Axle - Loaded
*Depends on body configuration. *Depends on body configuration.
67% 67%
67% 67%
Rear Axle - Empty
*Depends on body configuration. *Depends on body configuration.
52% 52%
50% 50%
Note
Weight distributions optimized with Cat body. Weight distributions optimized with Cat body.
Weight distributions optimized with Cat body. Weight distributions optimized with Cat body.
-
Dimensions (Approximate)
Height - Top of ROPS
-
-
5550 mm 18.25 ft
Overall Body Length
-
-
12945 mm 42.5 ft
Inside Body Length
-
-
8730 mm 28.67 ft
Overall Length
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12970 mm 42.58 ft
Wheel Base
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57000 mm 18.67 ft
Rear Axle - Tail
-
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3856 mm 12.67 ft
Ground Clearance
-
-
1304 mm 4.25 ft
Dump Clearance
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-
1585 mm 5.17 ft
Loading Height - Empty
-
-
6147 mm 20.17 ft
Rear Sidewall Height
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-
1010 mm 3.33 ft
Inside Body Depth - Maximum
-
-
3075 mm 10.08 ft
Overall Height - Body Raised
-
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11534 mm 37.83 ft
Operating Width
-
-
7822 mm 25.67 ft
Centerline Front Tire Width
-
-
5410 mm 17.75 ft
Engine Guard Clearance
-
-
1290 mm 4.25 ft
Overall Canopy Width
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-
7769 mm 25.5 ft
Outside Body Width
-
-
7123 mm 23.33 ft
Inside Body Width
-
-
6920 mm 22.67 ft
Front Canopy Height
-
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6739 mm 22.08 ft
Rear Axle - Clearance
-
-
1263 mm 4.17 ft
Centerline of Rear Dual Tire Width
-
-
4695 mm 15.42 ft
Overall Tire Width
-
-
7120 mm 23.33 ft
Service Refill Capacities
Fuel Tank
-
410 gal (US) 1552 l
1000 gal (US) 4546 l
Diesel Exhaust Fluid Tank
-
36 gal (US) 136 l
62 gal (US) 233 l
Front Wheels - Each
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8 gal (US) 30 l
5.8 gal (US) 22 l
Steering System - Includes Tank
-
45 gal (US) 170 l
46 gal (US) 175 l
Brake/Hoist Tank
-
135 gal (US) 511 l
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Torque Converter - Transmission System - Including Sump
-
46 gal (US) 175 l
55 gal (US) 209 l
Fuel Tank (Tier 4)
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-
55 gal (US) 2500 l
Differentials
-
-
161 gal (US) 610 l
Steering System
-
-
42 gal (US) 160 l
Brake Hoist System
-
-
169 gal (US) 640 l
Fuel Tank - Standard
500 gal (US) 1893 l
-
550 gal (US) 2500 l
Cooling System
100 gal (US) 379 l
100 gal (US) 379 l
180 gal (US) 679 l
Crankcase
54 gal (US) 204 l
54 gal (US) 204 l
77 gal (US) 291 l
Differential - Final Drives
115 gal (US) 436 l
139 gal (US) 527 l
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Steering Tank
24 gal (US) 90 l
29 gal (US) 110 l
-
Steering System - Including Tank
31 gal (US) 117 l
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Brake/Hoist Hydraulic Tank
89 gal (US) 337 l
-
-
Brake Hoist System - Includes Tank
169 gal (US) 641 l
160 gal (US) 606 l
347 gal (US) 1315 l
Torque Converter/Transmission System - Including Sump
65.51 gal (US) 248 l
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-
Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)
Height - Top of ROPS
-
17.09 ft 5208 mm
-
Overall Body Length
-
39.32 ft 11985 mm
-
Inside Body Length
-
27.29 ft 8318 mm
-
Overall Length
-
39.23 ft 11957 mm
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Wheel Base
-
17 ft 5180 mm
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Rear Axle - Tail
-
12.56 ft 3829 mm
-
Ground Clearance
-
3.29 ft 1004 mm
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Dump Clearance
-
3.7 ft 1128 mm
-
Loading Height - Empty
-
17.39 ft 5299 mm
-
Inside Body Depth - Maximum
-
9.15 ft 2790 mm
-
Overall Height - Body Raised
-
39.48 ft 12032 mm
-
Operating Width
-
24.72 ft 7535 mm
-
Centerline Front Tire Width
-
15.91 ft 4850 mm
-
Engine Guard Clearance
-
3.41 ft 1038 mm
-
Overall Canopy Width
-
24.81 ft 7562 mm
-
Outside Body Width
-
22 ft 6714 mm
-
Inside Body Width
-
19.72 ft 6010 mm
-
Front Canopy Height
-
19.8 ft 6035 mm
-
Rear Axle - Clearance
-
3.25 ft 990 mm
-
Centerline of Rear Dual Tire Width
-
14.06 ft 4285 mm
-
Overall Tire Width
-
20.59 ft 6277 mm
-
Cab
Note
-
The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008. The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.
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ROPS Standards (2)
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-
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
Heater / Defroster
10.1 MW·h 34462 Btu/kWh
33300 Btu/h 33300 Btu/h
33300 Btu/h 33300 Btu/h
Air Conditioning
6.9 kW (23,543 BTU/hr) 6.9 kW (23,543 BTU/hr)
HFC - 134A refrigerant: 24,500 Btu/h HFC - 134A refrigerant: 24,500 Btu/h
(HFC - 134A refrigerant) 24,500 Btu/hr (HFC - 134A refrigerant) 24,500 Btu/hr
ROPS Standards (1)
ISO 3471:2008 and ISO13459:2012 ISO 3471:2008 and ISO13459:2012
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.
FOPS Standards
ISO 3449:2005 Level II and ISO 13459:2012 Level II ISO 3449:2005 Level II and ISO 13459:2012 Level II
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer. FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
Sound
Sound Standards
The dynamic operator sound pressure levels are measured according to work cycle procedures specified in ISO 6396:2008 is 80 dB(A). The dynamic operator sound pressure levels are measured according to work cycle procedures specified in ISO 6396:2008 is 80 dB(A).
-
-
Sound Standards (1)
The dynamic exterior sound power level for the standard machine is tested using ISO 6395:2008 procedures is 121 dB(A). The dynamic exterior sound power level for the standard machine is tested using ISO 6395:2008 procedures is 121 dB(A).
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-
Sound Standards (2)
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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-
Tires
Standard Tire
-
33.00R51 33.00R51
-
Optional Tire
-
36.00R51 36.00R51
42/90 R57 42/90 R57
Rims
-
610 mm (24") Rims (standard). 660 mm (26") Rims (optional). 610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
29” x 57” Rims 29” x 57” Rims
Optional Tires
-
-
40 R57 40 R57
Note (1)
-
Quick Change Rims optional. Quick Change Rims optional.
Quick Change Rims optional Quick Change Rims optional
Note (2)
-
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Standard Tires
33.00-R51 (E3 & E4) 33.00-R51 (E3 & E4)
-
37 R57 37 R57

Price listed is Manufacturer's Suggested Retail Price, this price does not include shipping and handling, expedite charges, taxes, dealer installation costs or other dealer charges. Dealers set actual prices, including invoicing currency. The MSRP displayed is for the region selected.