Engine
Gross Power - SAE J1995 | 1450 HP 1082 kW |
Net Power - SAE J1349 | 1348 HP 1005 kW |
Engine Model | Cat® 3512C HD Cat® 3512C HD |
Bore | 6.7 in 170 mm |
Stroke | 8.4 in 215 mm |
Displacement | 3573.6 in³ 58.56 l |
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Key Specs
The Cat® 785 model was Caterpillar’s first entry into the mining industry more than three decades ago and has been a proven performer on sites around the world ever since. The 785D carries on that tradition.
It’s engineered for performance, designed for comfort and built to last. Developed specifically for high production mining applications, the 785D keeps material moving at high volume to lower your cost-per-ton. Rugged construction creates a durable machine, while easy maintenance procedures ensure high reliability and long life with low operating costs.
Ensures high reliability and long life with low operating costs.
Rugged construction creates a durable machine with demonstrated reliability and proven performance.
Thanks to health technologies, features that increase component life and settings to optimize performance.
Gross Power - SAE J1995 | 1450 HP 1082 kW |
Net Power - SAE J1349 | 1348 HP 1005 kW |
Engine Model | Cat® 3512C HD Cat® 3512C HD |
Bore | 6.7 in 170 mm |
Stroke | 8.4 in 215 mm |
Displacement | 3573.6 in³ 58.56 l |
Nominal Rated Payload | 155 ton (US) 141 t |
Rated Gross Machine Weight | 550000 lb 249476 kg |
Body Weight - MSD | 46738 lb 21200 kg |
Chassis Weight | 183270 lb 83130 kg |
Forward - 1 | 7.5 mile/h 12.1 km/h |
Forward - 2 | 10.2 mile/h 16.3 km/h |
Forward - 3 | 13.8 mile/h 22.2 km/h |
Forward - 4 | 18.6 mile/h 29.9 km/h |
Forward - 5 | 25.2 mile/h 40.6 km/h |
Forward - 6 | 34 mile/h 54.8 km/h |
Reverse | 6.8 mile/h 11 km/h |
Top Speed - Loaded | 34 mile/h 54.8 km/h |
Differential Ratio | 2.10:1 2.10:1 |
Planetary Ratio | 10.83:1 10.83:1 |
Total Reduction Ratio | 22.75:1 22.75:1 |
Effective Cylinder Stroke - Front | 12.1 in 306.5 mm |
Effective Cylinder Stroke - Rear | 6.5 in 165 mm |
Brake Surface - Front | 9497 in² 61270 cm² |
Brake Surface - Rear | 13908 in² 89729 cm² |
Standards | SAE J1473 OCT90 ISO 3450-1985 SAE J1473 OCT90 ISO 3450-1985 |
Pump Flow - High Idle | 198 gal/min 750 l/min |
Relief Valve Setting - Raise | 2500 psi 17238 kPa |
Body Raise Time - High Idle | 15.2 s 15.2 s |
Body Lower Time - High Idle | 15.9 s 15.9 s |
Body Lower Time - Float | 16.2 s 16.2 s |
Body Power Down - High Idle | 15.9 s 15.9 s |
Body Weight | 49150 lb 22295 kg |
Heaped (SAE 2:1) | 102 yd³ 78 m³ |
Body Weight | 55468 lb 25160 kg |
Heaped (SAE 2:1) | 111 yd³ 85 m³ |
Turning Diameter - Front | 97.7 ft 29.8 m |
Steer Angle | 36 ° 36 ° |
Steering Standards | SAE J1511 OCT90 ISO 5010:1992 SAE J1511 OCT90 ISO 5010:1992 |
Front Axle - Empty* | 45-46% 45-46% |
Rear Axle - Empty* | 54-55% 54-55% |
Front Axle - Loaded - Target | 33 % 33 % |
Rear Axle - Loaded - Target | 67 % 67 % |
Rear Axle - Loaded | *Depends on body configuration. *Depends on body configuration. |
Rear Axle - Empty | *Depends on body configuration. *Depends on body configuration. |
Note | Weight distributions optimized with Cat body. Weight distributions optimized with Cat body. |
Fuel Tank - Standard | 500 gal (US) 1893 l |
Cooling System | 100 gal (US) 379 l |
Crankcase | 54 gal (US) 204 l |
Differential - Final Drives | 115 gal (US) 436 l |
Steering Tank | 24 gal (US) 90 l |
Steering System - Including Tank | 31 gal (US) 117 l |
Brake/Hoist Hydraulic Tank | 89 gal (US) 337 l |
Brake Hoist System - Includes Tank | 169 gal (US) 641 l |
Torque Converter/Transmission System - Including Sump | 65.51 gal (US) 248 l |
ROPS Standards | SAE J1040 APR88 ISO 3471:1994 SAE J1040 APR88 ISO 3471:1994 |
Sound Standards | ANSI/SAE J1166 MAY90 SAE J88 APR95 ANSI/SAE J1166 MAY90 SAE J88 APR95 |
Standard Tires | 33.00-R51 (E3 & E4) 33.00-R51 (E3 & E4) |
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