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Make and model    Komatsu SSDA16V160 Tier 2 
Fuel    Diesel 
Number of cylinders    16 
Operating cycle    4 cycle 
Gross horsepower* @ 1900 rpm  2,700 HP  2014 kW 
Net flywheel power** @ 1900 rpm  2,550 HP  1902 kW 
Weight (wet)  21,182 lb  9608 kg 
* 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   
Drive System*    Komatsu AC Drive 
Alternator    DRLDZ5010-AL 
Dual Fan Main Blower  14,800 cfm  419 m³/min 
Control    IGBT AC Torque Control System 
Ratio    35.52:1 
Speed (maximum)  40 mph  64.5 km/h 
* Wheel motor drive system application depends upon gross vehicle weight, haul road grade, haul road length, rolling resistance and other parameters. Komatsu must analyze each job condition to assure proper application.     
Tires and Rims   
Rock service, tubeless, radial tires:     
Standard tire*    50/80 R57 
Optional tire*    50/90 R57 
Flange mount rim  34'' x 57'' x 6'' rim assembly  864 mm x 1448 mm x 152 mm rim assembly 
Typical total tire weight  50,780 lb  23033 kg 
* 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. Tapered body, body up sling and frame mounted rubber pads are standard. Heated body optional. 
Floor sheet
200,000 psi / 1379 mPa tensile strength steel / Outer 
0.63''  16 mm 
Floor sheet
200,000 psi / 1379 mPa tensile strength steel / Center 
0.75''  19 mm 
Front sheet
200,000 psi / 1379 mPa tensile strength steel / Outer 
0.39'  10 mm 
Front sheet
200,000 psi / 1379 mPa tensile strength steel / Center 
0.39'  10 mm 
Side sheet
200,000 psi / 1379 mPa tensile strength steel 
0.31''  8 mm 
Canopy sheet
100,000 psi / 690 mPa tensile strength steel 
0.24''  6 mm 
Capacity struck  160 yd³  122 m³ 
SAE heaped 2:1  221 yd³  169 m³ 
Standard Komatsu body weight  74,171 lb  33643 kg 
Advanced Operator Environment with isolation mounted, integral 4- post ROPS/FOPS Level 2 structure. Adjustable air suspension seat w/lumbar support, arm rests, and 3-point seat belt, full-size passenger seat, thermal insulation, tilt and telescoping steering wheel, electric windshield wipers w/washer, tinted safety 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
tensile strength steel 
70,000 psi  482.6 mPa 
Casting material
tensile strength steel 
90,000 psi  620.5 mPa 
Rail width  12''  305 mm 
Rail depth (minimum)  34''  864 mm 
Top and bottom plate thickness  1.57''  40 mm 
Side plate thickness / Rear  0.75''  19 mm 
Side plate thickness / Front  0.87''  22 mm 
Drive axle mounting    Pin and spherical bushing 
Drive axle alignment    Swing link between frame and axle 
Braking System   
Service brakes: oil-cooled, hydraulic-actuated, multiple disc brakes at each wheel. Traction system wheel spin control. 
Max. service apply pressure  2,400 psi  16547 kPa 
Total friction area per brake  11,693 in²  75439 cm² 
Secondary brakes    Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements. 
Wheel brake locks    Switch activated 
Parking brakes    Multiple disc, spring-applied, hydraulically-released, dry brakes on inboard end of each wheel motor rotor shaft. Rated to hold on ±15% grade at maximum gross vehicle weight. 
Electric dynamic retarder  4,650 hp  3469 kW 
Continuously rated high-density blown grids w/retard capacity at low speeds and retard in reverse propulsion.     
Variable rate hydro-pneumatic with integral rebound control 
Max. front stroke  12.32''  313 mm 
Max. rear stroke  11.50''  292 mm 
Max. rear axle oscillation    ±10.4° 
Cooling System   
L&M radiator assembly, split-flow, with deaerator-type top tank. 
Radiator frontal area  62.5 ft²  5.81 m² 
Service Capacities   
Cooling System  125 U.S. gal  473 L 
Crankcase  74 U.S. gal  280 L 
Hydraulic system  350 U.S. gal  1325 L 
Motor gear box (each)  32 U.S. gal  121 L 
Inverter cooling system  6.5 U.S. gal  25 L 
Fuel  1,200 U.S. gal  4542 L 
Reserve Oil® System  30 U.S. gal  114 L 
Hydraulic System   
Steering    Accumulator assisted with twin double acting cylinders provide constant rate steering. Secondary steering automatically supplied by accumulator. 
Turning circle diameter (SAE)  102'  31 m 
Reservoir  250 U.S. gal  947 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    22 sec 
Power-down (high idle)    13 sec 
Float-down (low idle)    23 sec 
Pumps    Two pumps, single package, end of alternator 
Hoist and brake cooling    Tandem gear pump with output of 931 lpm / 246 gpm at 1900 rpm and 17237 kPa / 2,500 psi 
Steering and brake    Pressure-compensating piston pump with output of 246 lpm / 65 gpm at 1900 rpm and 18960 kPa / 2,750 psi 
System relief pressures:     
Hoist and brake cooling  2,500 psi  17237 kPa 
Steering and brake  3,000 psi  20685 kPa 
Quick disconnects standard for powering disabled truck and for systems diagnostics.     
Electric System   
4 x 8D 1450 CCA, 12 volt, in series/parallel, 220-ampere-hour batteries, bumper-mounted with disconnect switch. 
Alternator    24 volt, 140 amp 
Lighting    24 volt 
Cranking motors    Two/24 volt 

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