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Make and model    Komatsu SSDA16V160* 
Fuel    Diesel 
Number of cylinders    16 
Operating cycle    4 cycle 
**Rated brake power @ 1900 rpm  2,700 HP  2014 kW 
***Flywheel power @ 1900 rpm  2,550 HP  1902 kW 
Weight (wet)  21,182 lb  9608 kg 
* Tier 2 emissions compliant. Tier 1 emissions engine is optional outside of North America.     
** Rated brake power 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     
***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 accordance with SAE J1349 conditions.     
Electric Drive   
*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.
*Optional ratios available. 
Alternator    GTA-41 
Dual impeller in-line blower  12,000 cfm  340 m³/min 
Control    AC Torque Control System 
Motorized wheels*    GDY106 Induction Traction Motors 
Ratio*    32.62:1 
Speed (maximum)  40 mph  64.5 km/h 
Tires and Rims   
*Tires should meet application requirements for tkph/tmph, tread, compound, inflation pressure, ply rating or equivalent, etc. 
Rock service, tubeless, radial tires     
Standard tire*    53/80 R63 
Taper lock, five (5) piece rim    36'' x 63'' x 5.0'' / 914 mm x 1600 mm x 127 mm rim assembly. Rims rated at 758 kPa 110 psi cold inflation pressure. 
Typical tire weight  57,600 lb  26127 kg 
All-welded steel flat floor body with horizontal bolsters and full canopy. Eyebrow, rear wheel rock ejectors, body tilt cable, and rubber mounts on frame are standard. Pivot exhaust heating optional. 
Floor sheet
200,000 psi / 1379 mPa tensile strength steel (two-piece) 
0.63''  16 mm 
Front sheet
200,000 psi / 1379 mPa tensile strength steel 
0.35''  9 mm 
Side sheet
200,000 psi / 1379 mPa tensile strength steel 
0.31''  8 mm 
Canopy sheet
100,000 psi / 690 mPa 
0.19''  5 mm 
Struck  224 yd³  171 m³ 
Standard SAE heaped 2:1  276 yd³  211 m³ 
Standard Komatsu body weight  66,936 lb  30362 kg 
*Komatsu must approve all bodies through a Body Application Worksheet.     
Advanced Operator Environment with integral 4-post ROPS/FOPS structure (meets J1040 Apr88), adjustable air suspension seat w/lumbar support and arm rests, passenger seat, maximum R-value insulation, tilt and telescoping steering wheel, electric windshield wipers w/washer, tinted safety glass, power windows, Komatsu Payload Weighing System, 55,000 Btu/hr heater and defroster, 21,600 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  1.77''  45 mm 
Side plate thickness  0.98''  25 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 slip/slide control. 
Max. service apply pressure  2500 psi  17237 kPa 
Total friction area per brake  15,038 in²  97025 cm² 
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    Multiple disc, spring-applied, hydraulically-released, dry brakes on inboard end of each wheel motor rotor shaft. Rated to hold on ±15% grade @ maximum gross vehicle weight. 
Electric dynamic retarder:     
Max  5400 hp  4026 kW 
Continuous  3300 hp  2460 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  12.92''  328 mm 
Max. rear stroke  9.40''  239 mm 
Max. rear axle oscillation    ±6.5º 
Cooling System   
L&M radiator assembly, split-flow, with deareation-type top tank. 
Radiator frontal area  75.5 ft²  7.02 m² 
Service Capacities   
Cooling System  157 U.S. gal  594 L 
Crankcase*  74 U.S. gal  280 L 
Hydraulic system  350 U.S. gal  1325 L 
Motor gear box (each)  25 U.S. gal  95 L 
Fuel  1200 U.S. gal  4542 L 
*Includes lube oil filters     
Hydraulic System   
Steering    Accumulator assisted twin double acting cylinders provide constant rate steering. Emergency steering automatically applied by accumulator. 
Turning circle diameter (SAE)  97'7''  29.7 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    21 sec 
Power-down    23 sec 
Float-down empty    24 sec 
Pumps    Two pumps, single package, end of alternator 
Hoist and brake cooling    Tandem gear pump with output of 1022 lpm / 270 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 18961 kPa / 2,750 psi 
System relief pressures:     
Hoist and brake cooling  2,500 psi  17237 kPa 
Steering and brake  4,000 psi  27579 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 and lockout. 
Alternator    24 volt, 260 amp 
Lighting    24 volt 
Cranking motors    Two/24 volt 
Weight Distribution   
Empty vehicle weight (wet, 100% fuel, no options, std Komatsu body, std tires):     
Front axle / 47%  219,826 lb  99711 kg 
Rear axle / 53%  243,557 lb  110476 kg 
Total EVW  463,383 lb  210187 kg 
Gross vehicle weight (Nominal):     
Front axle / 33%  365,201 lb  165651 kg 
Rear axle / 67%  741,469 lb  336323 kg 
Total  1,106,670 lb  501974 kg 
Nominal payload*  643,287 lb  291790 kg 
  320 U.S. ton   
*Nominal payload is defined by Komatsu America Corp. payload policy documentation. In general, the nominal payload must be adjusted for the specific vehicle configuration and site application.  The figures above are provided for basic product description purposes. Please contact your Komatsu distributor for specific application requirements.   

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