960E-2

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Engine   
Make and model*    Komatsu SSDA18V170 
Fuel    Diesel 
Number of cylinders    18 
Operating cycle    4 cycle 
Gross horsepower** @ 1900 rpm  3,500 HP  2610 kW 
Net flywheel power*** @ 1900 rpm  3,346 HP  2495 kW 
Weight (wet)  25,897 lb  11750 kg 
Weight (dry)  24,795 lb  11250 kg 
*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-39 
Dual impeller in-line blower  12,000 cfm  340 m³/min 
Control    AC Torque Control System 
Motorized wheels*    GDY108 Induction Traction Motors 
Ratio    32.62:1 
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 and Rims   
Rock service, tubeless, radial tires     
Standard tire*    56/80 R63 
Flange mount rim:     
Rim assembly  41'' x 63'' x 5.5''  1041 mm x 1600 mm x 140 mm 
Rims rated at 758 kPa /110 psi cold inflation pressure     
Typical tire weight  65,154 lb  29553 kg 
* Tires should meet application requirements for tkph/tmph, tread, compound, inflation pressure, ply rating or equivalent, etc.     
Body   
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
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 
0.47''  12 mm 
Side sheet
200,000 psi / 1379 mPa tensile strength steel 
0.39'  10 mm 
Canopy sheet
100,000 psi / 690 mPa tensile strength steel 
0.24''  6 mm 
Struck  195 yd³  149 m³ 
Standard SAE heaped 2:1  280 yd³  214 m³ 
Standard Komatsu body weight  90,000 lb  40823 kg 
Cab   
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 safety glass, power windows, Komatsu Payload Weighing System, 61,000 Btu/hr heater and defroster, 19,900 Btu/hr air conditioning (HFC - 134A refrigerant). 
Frame   
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 / Rear  0.98''  25 mm 
Side plate thickness / Front  1.26''  32 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-slide control. 
Max. service apply pressure  2750 psi  18960 kPa 
Total friction area per brake  16,078 in²  103729 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 at maximum gross vehicle weight. 
Electric dynamic retarder / Continuous  6000 hp  4476 kW 
Continuously rated high-density blown grids w/retard capacity at low speeds and retard in reverse propulsion.     
Suspension   
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  190 U.S. gal  719 L 
Crankcase*  90 U.S. gal  341 L 
Hydraulic system  350 U.S. gal  1325 L 
Motor gear box (each)  25 U.S. gal  95 L 
Fuel  1400 U.S. gal  5300 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)  105'  32 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    24 sec 
Power-down    14 sec 
Float-down empty    28 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 18960 kPa / 2750 psi 
Steering and brake    Pressure-compensating piston pump with output of 246 lpm / 65 gpm at 1900 rpm and 20685 kPa / 3,000 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.     
Electrical 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 
Weight Distribution   
Empty vehicle weight:     
Front Axle Distribution / 49.5%  272,250 lbs  123490 kg 
Rear Axle Distribution / 50.5%  277,750 lbs  125985 kg 
Total EVW  550,000 lbs  249475 kg 
Gross vehicle weight:     
Front Axle Distribution / 33%  419,100 lbs  190104 kg 
Rear Axle Distribution / 67%  850,900 lbs  385968 kg 
Nominal GVW  1,270,000 lbs  576072 kg 
Nominal Payload  720,000 lbs (360 short tons)  326585 kg (327 metric tons ) 
Nominal payload is defined by Komatsu America Corp’s 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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