Komatsu 860E-1K
Browse All Komatsu or Rock Truck Models
Contents:
Dimensions
| Overall Length | 48.99 ft in (14930 mm) |
| Overall Height | 23.96 ft in (7300 mm) |
| Wheelbase | 20.84 ft in (6350 mm) |
| Turning Radius | 50.86 ft in (15500 mm) |
| Width Over Tires-Rear | 26.19 ft in (7980 mm) |
Electric Drive
| Ratio | 35.52:1 |
| Alternator | DRLDZ5010-AL |
| Control | AC Torque Control System |
| Maximum Speed (Km/H) | 64.5 |
| Drive System | Komatsu AC Drive |
| Dual Fan Main Blower | 419 m3/min 14,800 cfm |
Electrical System
| Alternator | 24 volt, 140 amp |
| Lighting | 24 volt |
| Cranking Motors | Two/24 volt |
Body
| Capacity Struck | 159.6 yd3 (122 m3) |
| Heaped (2:1, Sae) | 221.1 yd3 (169 m3) |
| Payload | 560774.4 lb (254363 kg) |
| Structure | Flat floor configuration |
| Weight | 74171 lb (33643.5 kg) |
| Canopy Sheet | 6 mm 0.24'' 690 MPa 100,000 psi tensile strength steel |
| Front Sheet | 10 mm 0.39'' Outer 10 mm 0.39'' Center 1379 MPa 200,000 psi tensile strength steel |
| Side Sheet | 8 mm 0.31'' 1379 MPa 200,000 psi tensile strength steel |
| Floor Sheet | 16 mm 0.63'' Outer 19 mm 0.75'' Center 1379 MPa 200,000 psi tensile strength steel |
| Loading Height | 20.9 ft in (6.4 m) |
Engine
| Number Of Cylinders | 16 |
| Engine Make | 2238 |
| Engine Model | SSDA16V160 |
| Power Measured @ | 1900 rpm |
| Displacement | 3661.5 cu in (60 L) |
| Fuel Type | Diesel |
| Weight | 21182.1 lb (9608 kg) |
| Horse Power: Sae J1995 | 2700.9 hp (2014 kw) |
| Horse Power: Iso 9249 / Sae J1349 | 2550.7 hp (1902 kw) |
| Operating Cycle | 4-cycle |
Driveline
| Service Brake Type | Oil-cooled, hydraulic-actuated, multiple disc brakes at each wheel. |
| Parking Brake Type | Multiple disc, spring-applied, hydraulically-released, integral wet disc park brake Rated to hold on ±15% grade at maximum gross vehicle weight. |
| Emergency Brakes | Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements. |
| Wheel Brake Locks | Switch-activated |
| Electric Dynamic Retarder (Max.) | 3469kW Continuously rated high-density blown grids w/retard at engine idle and reverse propulsion. |
| Max. Service Apply Pressure (Kpa) | 2400 psi (16547.5 kPa) |
| Total Friction Area Per Brake (Cm2) | 75439 |
Capacities
| Fuel Tank | 1199.9 gal (4542 L) |
| Cooling System | 125 gal (473 L) |
| Hydraulic System | 350.1 gal (1325 L) |
| Crankcase | 74 gal (280 L) |
| Motor Gear Box | 32 gal (121 L) |
| Inverter Cooling System | 6.7 gal (25 L) |
| Reserve Oil System | 30.2 gal (114 L) |
Weights
| Gross Weight | 1001698.9 lb (454363 kg) |
| Empty Weight | 441698.4 lb (200351 kg) |
| Weight Distribution Front - Empty | 49 % |
| Weight Distribution Rear - Empty | 51 % |
| Weight Distribution Front - Loaded | 33.5 % |
| Weight Distribution Rear - Loaded | 66.5 % |
Tires
| Standard Tire | 50/80 R57 |
Hydraulic System
| Hoist Cylinder | Two 3-stage dual-acting outbound cylinders and internal cushion valve, over-centre damping. |
| Relief Pressure | Hoist and brake cooling- 17237 kPa 2,500 psi Steering and brake-20685 kPa 3,000 psi |
| Hoist Time | Power-up loaded: 22 sec; Power-down: 13 sec; Float-down empty:23 sec |
| Turning Circle Diameter (Sae) | 101.8 ft in (31 m) |
| Reservoir | 250 gal (946.4 L) |
| Filtration | In-line replaceable elements |
| Suction | Single, full flow, 100 mesh |
| Hoist And Steering | Dual, in-line, high pressure |
| Pumps | Two pumps, single package, end of alternator |
