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Caterpillar 789C Mining Truck
Caterpillar 789C Mining TruckThe 789C Mining Truck is engineered for performance, designed for comfort, and built to last. Developed specifically for high production mining and hauling applications, the 789C Mining Truck keeps material moving at high volume to lower your cost-per-ton. Rugged construction creates a durable machine. Easy maintenance procedures ensure high reliability and long life with low operating costs. |  |  | |||
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 | Overview & Specifications | |  | Features & Benefits | | | Standard Equipment | | | Optional Equipment | | | Work Tools & Attachments | ||
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| Engine | |
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| Engine Model | CatŪ 3516B EUI |
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| Net Power | 1770 hp / 1320 kW |
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| Rated Power | 1750 hp / 1750 kW |
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| Net Power - ISO 9249 | 1791 hp / 1335 kW |
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| Net Power - 80/1269/EEC | 1791 hp / 1335 kW |
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| Bore | 6.7 in / 170 mm |
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| Stroke | 7.5 in / 190 mm |
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| Displacement | 4211 in3 / 69 L |
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| Gross Power - SAE J1995 | 1900 hp / 1417 kW |
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| Net Power - SAE J1349 | 1771 hp / 1320 kW |
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| Operating Specifications | |
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| Nominal Payload Capacity | 195 tons / 177 tonnes |
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| Body Capacity (SAE 2:1) | 137 yd3 / 105 m3 |
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| Top Speed - Loaded | 32.7 mph / 52.6 km/h |
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| Maximum Payload Capacity | 174.2 tons / 177 tonnes |
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| Maximum Payload Capacity | Custom |
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| Maximum Capacity Struck (SAE) | 120.33 yd3 / 92 m3 |
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| Steer Angle | 36 Degrees / 36 Degrees |
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| Raise Time | 19 Seconds / 19 Seconds |
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| Lower Time | 17.3 Seconds / 17.3 Seconds |
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| Weights - Approximate | |
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| Gross Machine Operating Weight (GMW) | 700000 lb / 317515 kg |
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| Chassis Weight | 218300 lb / 99020 kg |
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| Operating Weight - Empty | 299100.8 lb / 135670 kg |
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| Transmission | |
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| Forward 1 | 7.2 mph / 11.6 km/h |
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| Forward 2 | 9.8 mph / 15.7 km/h |
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| Forward 3 | 13.2 mph / 21.3 km/h |
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| Forward 4 | 17.8 mph / 28.7 km/h |
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| Forward 5 | 24.2 mph / 38.9 km/h |
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| Forward 6 | 32.7 mph / 52.6 km/h |
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| Reverse | 6.5 mph / 10.5 km/h |
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| Suspension | |
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| Effective Cylinder Stroke - Front | 4 in / 105 mm |
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| Effective Cylinder Stroke - Rear | 3.5 in / 93 mm |
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| Brakes | |
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| Brake Surface - Rear | 18024 in2 / 116283 cm2 |
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| Standards | SAE J1473 OCT90 ISO 3450:1996 |
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| Body Hoists | |
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| Pump Flow - High Idle | 193 gal/min / 731 L/min |
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| Relief Valve Setting - Raise | 2500 psi / 17238 kPa |
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| Body Raise Time - High Idle | 18.9 Seconds / 18.9 Seconds |
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| Body Lower Time - Float | 17.3 Seconds / 17.3 Seconds |
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| Body Power Down - High Idle | 15.6 Seconds / 15.6 Seconds |
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| Approximate Weights - Dual Slope | |
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| Gross Weight - Empty | 310525 lb / 140852 kg |
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| Chassis | 225500 lb / 102285 kg |
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| Body | 59625 lb / 27045 kg |
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| Full Liner | 20840 lb / 9453 kg |
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| Tail Extension | 1700 lb / 771 kg |
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| Side Boards | 2860 lb / 1297 kg |
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| Approximate Weights - Flat Floor | |
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| Chassis | 225400 lb / 102240 kg |
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| Body | 66200 lb / 30018 kg |
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| Grid Liner | 3300 lb / 1500 kg |
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| Rear Third Liner | 4200 lb / 1905 kg |
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| Capacity - Dual Slope - 100% fill factor | |
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| Struck | 96 yd3 / 73 m3 |
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| Capacity - Flat Floor - 100% fill factor | |
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| Struck | 102 yd3 / 92 m3 |
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| Heaped (SAE 2:1) | 158 yd3 / 121 m3 |
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| Service Refill Capacities | |
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| Fuel Tank | 851 gal / 3222 L |
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| Cooling System | 175 gal / 663 L |
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| Crankcase | 77 gal / 291 L |
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| Steering Tank | 34 gal / 130 L |
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| Steering System (Includes Tank) | 50 gal / 189 L |
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| Brake/Hoist Hydraulic Tank | 140 gal / 531 L |
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| Torque Converter/Transmission System (Includes Sump) | 20 gal / 76 L |
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| Dimensions | |
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| Height to Top of ROPS | 18.03 ft / 5495 mm |
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| Overall Body Length | 38.35 ft / 11690 mm |
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| Inside Body Length | 26.75 ft / 8154 mm |
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| Overall Length | 39.95 ft / 12177 mm |
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| Wheelbase | 18.7 ft / 5700 mm |
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| Rear Axle to Tail | 11.87 ft / 3617 mm |
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| Ground Clearance | 3.85 ft / 1173 mm |
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| Dump Clearance | 4.36 ft / 1330 mm |
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| Loading Height - Empty | 17.08 ft / 5206 mm |
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| Inside Body Depth - Max | 7.29 ft / 2221 mm |
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| Overall Height - Body Raised | 39.05 ft / 11902 mm |
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| Operating Width | 25.18 ft / 7674 mm |
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| Centerline Front Tire Width | 17.81 ft / 5430 mm |
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| Engine Guard Clearance | 3.92 ft / 1195 mm |
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| Outside Body Width | 22.77 ft / 6940 mm |
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| Inside Body Width | 21.33 ft / 6500 mm |
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| Rear Axle Clearance | 4.02 ft / 1225 mm |
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| Centerline Rear Dual Tire Width | 15.16 ft / 4622 mm |
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| Overall Tire Width | 22.72 ft / 6926 mm |
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| Weight Distributions - Approximate | |
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| Front Axle - Empty | 47 % / 47 % |
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| Rear Axle - Empty | 53 % / 53 % |
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