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Make and model*    Komatsu SSDA16V159 
Fuel    Diesel 
Number of cylinders    16 
Operating cycle    4 cycle 
Gross horsepower** @ 1900 rpm  2,000 HP  1492 kW 
Net flywheel power*** @ 1900 rpm  1,884 HP  1405 kW 
* Optional Tier 4 emission compliant engine for North American market. Non-emissionized engine for markets outside of North America.     
** Gross horsepower is the output of the engine as installed in this machine, at governed rpm and with engine manufacturer’s approved fuel setting. Accessory losses included are water pump, fuel pump and oil pump.     
***Net flywheel power is the rated power at the engine flywheel minus the average accessory losses. Accessories include fan and charging alternator. Rating(s) represent net engine performance in accordance with SAE J1349 conditions.     
Electric Drive   
AC/DC current     
Alternator    GTA-49 
Dual impeller in-line blower  13,900 cfm  393 m³/min 
Control    AC Torque Control System 
Motorized wheels*    GEB35 Induction Traction Motors 
Ratio    30.8:1 
Speed (maximum)  40 mph  64.5 km/h 
* Wheel motor application depends upon gross vehicle weight, haul road grade, haul road length, rolling resistance and other parameters. Komatsu and G.E. must analyze each job condition to assure proper application.     
Tires & Rims   
Rock service, tubeless, tires     
Standard tire*    37.00 R57 
Flange mount rim  686 mm x 1448 mm x 152 mm 27'' x 57'' x 6'' rim assembly.  Rims rated at 758 kPa 110 psi cold inflation pressure. 
* Tires should meet application requirements for tkph/tmph, tread, compound, inflation pressure, ply rating or equivalent, etc.     
All-welded steel flat floor body with horizontal bolsters and full canopy. Eyebrow, rear wheel rock ejectors, body up sling and rubber mounts on frame are standard. Pivot exhaust heating optional. 
Floor sheet - Outer (1379 MPa 200,000 psi tensile strength steel)  0.63''  16 mm 
Floor sheet - Center (1379 MPa 200,000 psi tensile strength steel)  0.75''  19 mm 
Front sheet (1379 MPa 200,000 psi tensile strength steel)  0.39''  10 mm 
Side sheet (1379 MPa 200,000 psi tensile strength steel)  0.31''  8 mm 
Canopy sheet (690 MPa 100,000 psi tensile strength steel)  0.24''  6 mm 
Capacity struck  153 yd³  117 m³ 
SAE heaped 2:1  193 yd³  148 m³ 
Standard Komatsu body weight  62,100 lb  28169 kg 
Advanced Operator Environment with integral 4-post ROPS/FOPS Level 2 cab, adjustable air suspension seat w/lumbar support and arm rests, full-size passenger seat, maximum R-value insulation, tilt and telescoping steering wheel, electric windshield wipers w/washer, tinted glass, power windows, Komatsu Payload Weighing System, 61,000 Btu/hr heater and defroster, 19,900 Btu/hr air conditioning (HFC - 134A refrigerant). 
Advanced technology, full butt-welded box sectional ladder-type frame with integral ROPS supports, integral front bumper, rear tubular cross members, steel castings at all critical stress transition zones, rugged continuous horsecollar. 
Plate material  70,000 psi  482.6 mPa tensile strength steel 
Casting material  90,000 psi  620.5 mPa tensile strength steel 
Rail width  11.02''  280 mm 
Rail depth (minimum)  31.38''  797 mm 
Top and bottom plate thickness  1.26''  32 mm 
Side plate thickness  0.75''  19 mm 
Drive axle mounting    Pin and spherical bushing 
Drive axle alignment    Swing link between frame and axle 
Braking Systems   
System meets ISO 3450/1996.     
Service brakes: all-hydraulic actuated.     
Front:    Wheel speed disc. Three calipers on a 1213 mm / 47.75" O.D. disc 
Rear    Dual disc armature speed. Two 635 mm / 25" O.D. discs per side. One caliper per disc. 
Emergency brakes    Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements. 
Wheel brake locks    Switch-activated 
Parking brakes    Spring-applied, hydraulically released, with speed application protection. 
Electric dynamic retarder (max.)  3,200 hp / 2387 kW  Continuously rated high-density blown grids w/retard at engine idle and retard in reverse propulsion. 
Variable rate hydro-pneumatic with integral rebound control     
Max. front stroke  12.28''  312 mm 
Max. rear stroke  10.98''  279 mm 
Max. rear axle oscillation    ±5.3° 
Cooling System   
L&M radiator assembly, split-flow, with deaerator-type top tank. 
Radiator frontal area  50.1 ft²  4.65 m² 
Service Capacities   
Cooling system  117 U.S. gal  441 L 
Crankcase*  59 U.S. gal  223 L 
Hydraulic system  210 U.S. gal  795 L 
Motor gear box (each)  10 U.S. gal  38 L 
Fuel  800 U.S. gal  3028 L 
*Includes lube oil filters     
Hydraulic System   
Steering    Accumulator assisted with twin double acting cylinders provide constant rate steering. Secondary steering automatically supplied by accumulator. 
Turning circle diameter (SAE)  89'  27.2 m 
Reservoir  135 U.S. gal  511 L 
Filtration    In-line replaceable elements 
Suction    Single, full-flow, 100 mesh 
Hoist and steering    Dual, in-line, high pressure 
Brake component cabinet    Above deck, easily accessible with diagnostic test connections 
Hoist    Two 3-stage dual-acting outboard cylinders, internal cushion valve, over-center dampening 
Hoist times:     
Power-up loaded    19 sec 
Power-down    10.5 sec 
Float--down empty    12 sec 
Pumps:    Two pumps, single package, end of alternator 
Hoist and brake cooling    Tandem gear pump with output of 666 lpm 176 gpm at 1900 rpm and 18961 kPa 2,500 psi 
Steering and brake    Pressure-compensating piston pump with output of 254 lpm 67 gpm at 1900 rpm and 19134 kPa 2,775 psi 
System relief pressures:     
Hoist  2,500 psi  17237 kPa 
Steering and brake  4,000 psi  27580 kPa 
Electric System   
4 x 8D 1450 CCA, 12 volt, in series/parallel, 220-ampere-hour batteries, bumper-mounted with disconnect switch. 
Alternator  24-volt  250 amp 
Lighting    24 volt 
Cranking motors    Two/24 volt 

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