Caterpillar 789C
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Contents:
Dimensions
| Overall Length | 39.92 ft in (12177 mm) |
| Overall Width | 25.18 ft in (7674 mm) |
| Overall Height | 20.25 ft in (6182 mm) |
| Wheelbase | 18.68 ft in (5700 mm) |
| Ground Clearance | 3.83 ft in (1173 mm) |
| Dump Height | 39.25 ft in (11950 mm) |
| Dump Ground Clearance | 4.37 ft in (1330 mm) |
Dump
| Dump Angle | 49.5 degrees |
| Load Capacity - Struck | 102 yd3 (92 m3) |
| Load Capacity - Heaped | 137.34 yd3 (105 m3) |
| Rated Payload | 390000 lb (176901.04 kg) |
| Lower Time | 17.3 sec |
| Raise Time | 18.9 sec |
Engine
| Number Of Cylinders | 16 |
| Engine Make | 2236 |
| Engine Model | 3516B EUI |
| Gross Power | 1900 hp (1417 kw) |
| Net Power | 1770.2 hp (1320 kw) |
| Power Measured @ | 1750 rpm |
| Aspiration | Turbocharged |
| Displacement | 4211 cu in (69.1 L) |
| Bore | 6.7 in (170.2 mm) |
| Stroke | 7.5 in (190.5 mm) |
| Net Power - Iso 9249 | 1791 hp (1335.6 kw) |
| Net Power - Sae J1349 | 1771 hp (1320.7 kw) |
| Net Power - 80/1269/Eec | 1791 hp (1335.6 kw) |
| Gross Power - Sae J1995 | 1900 hp (1416.9 kw) |
| Engine Model | Cat 3516B EUI |
Operational
| Fuel Capacity | 851 gal (3222 L) |
| Cooling System Fluid Capacity | 175 gal (663 L) |
| Engine Oil Capacity | 20 gal (76 L) |
| Diff And Final Drive Fluid Capacity | 154 gal (583 L) |
| Steering System Fluid Capacity | 50 gal (189 L) |
| Brake/Hoist System Fluid Capacity | 240 gal (909 L) |
| Hydraulic System Fluid Capacity | 140 gal (531 L) |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 75 amps |
| Tire Size | 37.00-R57(E4) |
Transmission
| Transmission Type | Six-speed planetary power shift with direct injection |
| Number Of Gears - Forward | 6 |
| Number Of Gears - Reverse | 1 |
| Max Speed | 32.7 mph (52.6 km/h) |
| Reverse | 6.5 mile/h |
| Forward - 1 | 7.2 mph (11.6 km/h) |
| Forward - 2 | 9.8 mph (15.8 km/h) |
| Forward - 3 | 13.2 mph (21.3 km/h) |
| Forward - 4 | 17.8 mph (28.7 km/h) |
| Forward - 5 | 24.2 mph (39 km/h) |
| Forward - 6 | 32.7 mph (52.7 km/h) |
Steering
| Steering Standards | SAE J1511 OCT90 ISO 5010:1992 |
Weights
| Empty Weight | 299100.8 lb (135670 kg) |
| Loaded Weight | 700000 lb (317515 kg) |
| Weight Distribution Front - Empty | 47 % |
| Weight Distribution Rear - Empty | 53 % |
| Weight Distribution Front - Loaded | 33 % |
| Weight Distribution Rear - Loaded | 67 % |
Tires
| Standard Tires | 37.00-R57 (E4) |
Brakes
| Brake Surface - Front | 12662 in2 (8.2 m2) |
| Brake Surface - Rear | 18024 in2 (11.7 m2) |
| Standards | SAE J1473 OCT90 ISO 3450:1996 |
Body Hoists
| Pump Flow - High Idle | 193 gal/min |
| Relief Valve Setting - Raise | 2500 psi |
| Body Raise Time - High Idle | 18.9 s |
| Body Lower Time - Float | 17.3 s |
| Body Power Down - High Idle | 15.6 s |
Final Drives
| Planetary Ratio | 10.83:1 |
| Differential Ratio | 2.35:1 |
| Total Reduction Ratio | 25.46:1 |
Operating Specifications
| Top Speed - Loaded | 32.7 mph (52.7 km/h) |
| Steer Angle | 36 degrees |
| Body Capacity - Sae 2:1 | 137 yd3 (104.8 m3) |
| Turning Diameter - Front | 90.2 ft in (27.5 m) |
| Nominal Payload Capacity | 390000 lb (176900.9 kg) |
| Turning Circle - Clearance Diameter | 99.2 ft in (30.3 m) |
Service Refill Capacities
| Cooling System | 175 gal (662.5 L) |
| Differential - Final Drives | 154 gal (583 L) |
| Steering Tank | 34 gal (128.8 L) |
| Steering System - Including Tank | 50 gal (189.3 L) |
| Brake Hoist System - Includes Tank | 240 gal (908.5 L) |
| Crankcase | 77 gal (291.5 L) |
| Brake/Hoist Hydraulic Tank | 140 gal (530 L) |
| Torque Converter/Transmission System - Including Sump | 20 gal (75.8 L) |
| Fuel Tank - Standard | 851 gal (3221.4 L) |
| Torque Converter - Transmission Sump | 59 gal (223.4 L) |
Weight Distributions - Approximate
| Front Axle - Empty | 47 % |
| Front Axle - Loaded | 33 % |
| Rear Axle - Empty | 53 % |
| Rear Axle - Loaded | 67 % |
Weights - Approximate
| Chassis Weight | 218300 lb (99019.3 kg) |
| Gross Machine Operating Weight | 700000 lb (317514.7 kg) |
| Body Weight Range | 26 800-29 950 kg (59,000-71,500 lb) |
Capacity - Dual Slope - 100% Fill Factor
| Struck | 96 yd3 (73.4 m3) |
| Heaped (Sae 2:1) | 137 yd3 (104.8 m3) |
Capacity - Flat Floor - 100% Fill Factor
| Struck | 102 yd3 (78 m3) |
| Heaped (Sae 2:1) | 158 yd3 (120.8 m3) |
Suspension
| Effective Cylinder Stroke - Front | 4 in (101.6 mm) |
| Effective Cylinder Stroke - Rear | 3.5 in (88.9 mm) |
Approximate Weights - Dual Slope
| Body | 59625 lb (27045.5 kg) |
| Chassis | 225500 lb (102285.1 kg) |
| Gross Weight - Empty | 310525 lb (140851.8 kg) |
| Full Liner | 20840 lb (9452.9 kg) |
| Tail Extension | 1700 lb (771.2 kg) |
| Side Boards | 2860 lb (1297.3 kg) |
Approximate Weights - Flat Floor
| Body | 66200 lb (30027.9 kg) |
| Chassis | 225400 lb (102239.8 kg) |
| Gross Weight - Empty | 299100 lb (135669.5 kg) |
| Grid Liner | 3300 lb (1496.9 kg) |
| Rear - Third Liner | 4200 lb (1905.1 kg) |
