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MAXIMUM GVW 249476 kg 550,000 lb PAYLOAD 136–149 t 150–164 U.S. ton NET HORSEPOWER 1048 kW 1,406 HP

MECHANICAL DRIVE TRUCK

SPECIFICATIONS SPECIFICATIONS
ENGINE Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SDA12V160 Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diesel Number of cylinders . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 12 Operating cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 stroke Rated brake power @ 1900 rpm*. . . . . . . . . . . . . 1108 kW 1,486 HP Flywheel power @ 1900 rpm** . . . . . . . . . . . . . . 1048 kW 1,406 HP Maximum torque @ 1300 rpm . . . . . . . . . . . . . 5041 kg/m 4,285 lb ft Bore . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . 159 mm 6.26" Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 mm 7.48" Displacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 ltr 2,746 in3 Weight (dry) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5813 kg 12,815 lb
* Rated brake power is the output of the engine as installed in thismachine, at governed rpm and with engine manufacturer’s approved fuel setting. Accessory losses included are water pump, fuel pump, and oil pump. ** Flywheel power is the rated power at the engine flywheel minus the average accessory losses. Accessories include fan and charging alternator. Rating(s) represent gross engine performance in accordance with SAE J1349 conditions.

FINAL DRIVE ASSEMBLYPlanetary gear-type final drive. Straight bevel gears for differential and matched spiral bevel gears for reduction. Reduction ratio: Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.647 Planetary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.235 Total reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 19.151

BODY Struck capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 m3 71 yd3 Heaped capacity (2:1) . . . . . . . . . . . . . . . . . . . . . . . . 78 m3 102 yd3 Bottom plate . . . . . . . . . . . . . . . . . . . . . . . . . 1207 mPa 175,000 psi tensile-strength-steel, 19 mm 0.75'', two-piece construction Sides and front body plate. . . . . . . . . . . . . . . 1207mPa 175,000 psi tensile-strength-steel, 12 mm 0.47'' front wall, 9 mm 0.35'' side wall. Rugged bolster and sill construction. Body is rubbercushioned on frame. Exhaust heated body is standard.

COOLING SYSTEM L&M MESABI radiator assembly. Deaeration-type top tank. Two pump –2 loop cooling circuit. Radiator frontal area. . . . . . . . . . . . . . . . . . . . . . . . . 3.84 m2 41.3 ft2

CABWide-visibility operator environment with integral 4-post ROPS/FOPS structure (meets SAE J1040 Apr88), deluxe interior, adjustable Isringhausen seat with lumbar support, passenger seat, R-12 insulation, tilt and telescoping steering wheel, electric windshield wipers with washer, tinted safety glass, power windows, panel-mounted circuit breakers, Komatsu Payload Weighing System, 55,000 Btu/hr heaterand defroster, 21,600 Btu/hr air conditioning (134A refrigerant)

ELECTRICAL SYSTEM Batteries . . . . . . Four 12-volt, 220 amp/hr, batteries in series/parallel Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 amp 24 V Starter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Two 24-volt

FRAME Welded box section frame, integral ROPSprovisions, integral front bumper, rear tubular cross members, continuous frame rail beam with variable section, steel castings used in critical stress transition zones, continuous horsecollar. Plate material . . . . . . . . . . 344.5 mPa 50,000 psi yield strength steel Casting material . . . . . . . . . 226 mPa 33,000 psi yield strength steel Rail width . . . . . . . . . . . . . . . . . . . . ....