Caterpillar 785D
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Contents:
Dimensions
| Overall Length | 37.89 ft in (11548 mm) |
| Overall Width | 21.79 ft in (6640 mm) |
| Overall Height | 16.81 ft in (5122 mm) |
| Wheelbase | 17 ft in (5180 mm) |
| Ground Clearance | 3.24 ft in (987 mm) |
| Dump Height | 38.75 ft in (11809 mm) |
| Dump Ground Clearance | 3.94 ft in (1200 mm) |
Dump
| Lower Time | 15.9 sec |
| Load Capacity - Heaped | 102 yd3 (77.99 m3) |
| Rated Payload | 300000 lb (136077.72 kg) |
| Raise Time | 15.2 sec |
Engine
| Engine Make | 2236 |
| Engine Model | 3512C HD |
| Net Power | 1348 hp (1005.3 kw) |
| Gross Power | 1450 hp (1081.3 kw) |
| Power Measured @ | 1750 rpm |
| Displacement | 3573.6 cu in (58.6 L) |
| Torque Rise | 23 % |
| Bore | 6.7 in (170.2 mm) |
| Stroke | 8.4 in (213.4 mm) |
| Rated Power | 1450 hp (1081.3 kw) |
| Net Power - Cat | 1348 hp (1005.3 kw) |
| Net Power - Iso 9249 | 1348 hp (1005.3 kw) |
| Net Power - Sae J1349 | 1348 hp (1005.3 kw) |
| Net Power - 80/1269/Eec | 1348 hp (1005.3 kw) |
| Gross Power - Sae J1995 | 1450 hp (1081.3 kw) |
| Engine Model | Cat 3512C HD |
Operational
| Fuel Capacity | 500.1 gal (1893 L) |
| Cooling System Fluid Capacity | 100.2 gal (379 L) |
| Engine Oil Capacity | 53.9 gal (204 L) |
| Diff And Final Drive Fluid Capacity | 115.2 gal (436 L) |
| Steering System Fluid Capacity | 31 gal (117 L) |
| Brake/Hoist System Fluid Capacity | 169.4 gal (641 L) |
| Hydraulic System Fluid Capacity | 89.1 gal (337 L) |
| Tire Size | 33.00-51 50PR (E3 & E4) |
Transmission
| Number Of Gears - Forward | 6 |
| Number Of Gears - Reverse | 1 |
| Max Speed | 34 mph (54.8 km/h) |
| Reverse | 6.8 mile/h |
| Forward - 1 | 7.5 mph (12.1 km/h) |
| Forward - 2 | 10.2 mph (16.5 km/h) |
| Forward - 3 | 13.8 mph (22.3 km/h) |
| Forward - 4 | 18.6 mph (30 km/h) |
| Forward - 5 | 25.2 mph (40.6 km/h) |
| Forward - 6 | 34 mph (54.8 km/h) |
Steering
| Steering Standards | SAE J1511 OCT90 ISO 5010:1992 |
Weights
| Empty Weight | 259257 lb (117597 kg) |
| Loaded Weight | 550000.4 lb (249476 kg) |
| Weight Distribution Front - Empty | 46 % |
| Weight Distribution Rear - Empty | 55 % |
| Weight Distribution Front - Loaded | 33 % |
| Weight Distribution Rear - Loaded | 67 % |
Tires
| Standard Tires | 33.00-R51 (E3 & E4) |
Brakes
| Brake Surface - Front | 9497 in2 (6.2 m2) |
| Brake Surface - Rear | 13908 in2 (9 m2) |
| Standards | SAE J1473 OCT90 ISO 3450-1985 |
Body Hoists
| Pump Flow - High Idle | 198 gal/min |
| Relief Valve Setting - Raise | 2500 psi |
| Body Raise Time - High Idle | 15.2 s |
| Body Lower Time - Float | 16.2 s |
| Body Power Down - High Idle | 15.9 s |
| Body Lower Time - High Idle | 15.9 s |
Final Drives
| Planetary Ratio | 10.83:1 |
| Differential Ratio | 2.10:1 |
| Total Reduction Ratio | 22.75:1 |
Operating Specifications
| Top Speed - Loaded | 34 mph (54.8 km/h) |
| Steer Angle | 36 degrees |
| Turning Diameter - Front | 97.7 ft in (29.8 m) |
| Machine Clearance Turning Diameter | 108.9 ft in (33.2 m) |
| Minimum Target Payload | 288000 lb (130634.5 kg) |
| Maximum Target Payload | 314000 lb (142427.9 kg) |
| Target Payload - Dual Slope* | 292000 lb (132448.9 kg) |
Service Refill Capacities
| Cooling System | 100 gal (378.6 L) |
| Differential - Final Drives | 115 gal (435.4 L) |
| Steering Tank | 24 gal (90.9 L) |
| Steering System - Including Tank | 31 gal (117.4 L) |
| Brake Hoist System - Includes Tank | 169 gal (639.8 L) |
| Crankcase | 54 gal (204.5 L) |
| Brake/Hoist Hydraulic Tank | 89 gal (337 L) |
| Torque Converter/Transmission System - Including Sump | 65.6 gal (248 L) |
| Fuel Tank - Standard | 500 gal (1892.8 L) |
Weight Distributions - Approximate
| Front Axle - Loaded - Target | 33 % |
| Rear Axle - Loaded - Target | 67 % |
| Front Axle - Empty* | 45-46% |
| Rear Axle - Empty* | 54-55% |
Weights - Approximate
| Body Weight Range | 20 831 - 30 623 kg 45,924 - 67,512 lb |
| Gross Machine Operating Weight (Gmw) | 550000 lb (249475.9 kg) |
| Minimum/Maximum Operating Chassis Weight Range (Ocw) | 83 304 - 84 668 kg 183,654 - 186,661 lb |
| Minimum/Maximum Operating Chassis Weight Range Empty (Eomw) | 106 218 - 117 597 kg 234,170 - 259,257 lb |
Rops
| Rops Standards | SAE J1040 APR88 ISO 3471:1994 |
Sound
| Sound Standards | ANSI/SAE J1166 MAY90 SAE J88 APR95 |
Suspension
| Effective Cylinder Stroke - Front | 12.1 in (307.4 mm) |
| Effective Cylinder Stroke - Rear | 6.5 in (165.1 mm) |
Body - Dual Slope
| Body Weight | 49150 lb (22294.1 kg) |
| Heaped (Sae 2:1) | 102 yd3 (78 m3) |
Body - X
| Body Weight | 55468 lb (25159.9 kg) |
| Heaped (Sae 2:1) | 111 yd3 (84.9 m3) |
