Engine:

• Make and Model:
  • Komatsu SDA16V190-1
• Fuel:
  • Diesel
• Number of Cylinders:
  • 16
• Operating Cycle:
  • 4 Cycle
• Gross Horsepower:
  • 4,400 HP @ 1,800 rpm
• Net Flywheel Power:
  • 3,346 HP @ 4,200 rpm
• Weight:
  • Wet: 29,950 lbs.
  • Dry: 29,950 lbs.

*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.

Electric Drive:

• AC Current:
  • Alternator: GTA-63
  • Single impeller in-line blower: 4,500 CFM
  • Control: AC Torque Control System
  • Motorized wheels*: GDY108D
  • Ratio: 35.02:1
  • Speed (Maximum): 40 mph

*Drive system performance 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*: 59/80 R63
  • Flange Mount, Five Piece Rim (Rim Assembly): 44 x 63 x 5.5 in
  • Rims Rated at 758 kPa 110 psi Cold Inflation Pressure
  • Typical Total Tire Weight: 71,838 lbs.

*Tires should meet application requirements for tkph/tmph, tread, compound, inflation pressure, ply rating or equivalent, etc.

Cab:

• Advanced Operator Environment with integral 4-post ROPS/ FOPS Level 2 structure (ISO 3449)
• Adjustable air suspension seat w/lumbar support and armrests
• Full-size passenger seat
• Maximum R-value insulation
• Tilt and telescoping steering column
• Electric windshield wipers w/washer
• Tinted safety glass
• Power windows
• Payload Meter IV
• 55,000 Btu/hr heater and defroster
• 21,600 Btu/hr air conditioning (HFC – 134A refrigerant)

Suspension:

• Variable rate hydro-pneumatic with integral rebound control
• Max. front stroke: 11.92 in
• Max. rear stroke: 9.40 in
• Max. rear axle oscillation: ±6.5°

Frame:

• Advanced technology, full butt-welded box sectional ladder-type frame
• 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
• Casting Material Tensile Strength Steel: 90,000 psi
• Rail Width: 12 in
• Rail Depth (Minimum): 34 in
• Top and Bottom Plate Thickness: 1.77 in
• Side Plate Thickness:
  • Rear: 0.98 in
  • Front: 1.26 in
• Drive Axle Mounting: Pin and Spherical Bushing
• Drive Axle Alignment: Swing link between frame and axle

Body:

• All-welded steel flat floor body with horizontal bolsters and full canopy
• Rubber mounts on frame, eyebrow, and body up sling are standard
• Extended canopy and pivot exhaust heating are optional
• Floor Sheet 200,000 psi Tensile Strength Steel:
  • Outer: 0.63 in
  • Center: 0.75 in
• Front Sheet 200,000 psi Tensile Strength Steel:
  • Outer: 0.39 in
  • Center: 0.47 in
• Side Sheet 200,000 psi Tensile Strength Steel: 0.39 in
• Canopy Sheet 100,000 psi Tensile Strength Steel: 0.24 in
• SAE Heaped 2:1: 327 yd³
• Standard Komatsu Body Weight: 94,000 lbs.

Braking System:

• Service Brakes: Oil-cooled, hydraulic actuated, multiple disc brakes at each wheel
• Traction System: Wheel spin-slide control
• Max. Service Apply Pressure: 2,750 psi
• Total Friction Area Per Brake: 16,078 in²
• Auto Apply System: Automatically applied prior to hydraulic system pressure dropping below level required secondary stopping requirements.
• Secondary Brake System: Complies with ISO-3450 Standards
• Wheel Brake Lock: 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 (Max) – Continuous: 6,000 HP

Cooling System:

• Replaceable core radiator assembly, split-flow, with deaerator-type top tank.
• Radiator Frontal Area: 91 ft.²

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 ft.
• Reservoir: 250 US gal
• 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 s
  • Power-down (high idle): 16 s
  • Float-down empty (low idle): 17 s
• Pumps: Two pumps, single package, in-line
• Hoist and Brake Cooling: Tandem gear pump with output of 240 gpm at 1,800 rpm and 2,750 psi
• Steering and Brake: Pressure-compensating piston pump with output of 64 gpm at 1,800 rpm and 3,000 psi
• System Relief Pressures:
  • Hoist and Brake Cooling: 2,500 psi
  • Steering and Brake: 3,000 psi
• Ports available for powering disabled truck and for system diagnostics.

Electrical System:

• 6 x 8D 1450 CCA, 12 volt, in series/parallel, 220 ampere-hour, bumper-mounted with disconnect switch & lock-out.
• Alternator: 24 volt, 250 amp
• Lighting: 24 volt
• Cranking Motors: 3 x 24 volt

Service Capacities:

• Cooling System: 262 US gal
• Crankcase: 132 US gal
• Hydraulic System: 510 US gal
• Drive System: 24 US gal
• Fuel Tank (Non-emissionized): 1,400 US gal

Weight Distribution:

• Empty Vehicle Weight:
  • Front Axle Distribution / 56%: 330,282 lbs.
  • Rear Axle Distribution / 44%: 259,506 lbs.
  • Total EVW: 589,788 lbs.
• Gross Vehicle Weight:
  • Front Axle / 34%: 476,000 lbs.
  • Rear Axle / 66%: 924,000 lbs.
  • Nominal GVW: 1,400,000 lbs.
• Payload: 800,000 lbs.
  • Nominal Payload: 400 st

*Nominal payload is defined by Komatsu America Corp’s payload policy documentation. The figures above are provided for basic product description purposes. Please contact your Komatsu distributor for specific application requirements.

*Includes option allowance.