• 1,106,670 lbs Max Gross Vehicle Weight
  • 2,700 @1900 rpm Gross HP
  • 320 U.S. tons Capacity
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930E-4 Electric Drive Mining Truck



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.

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.


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).

Cooling System

L&M radiator assembly, split-flow, with deareation-type top tank. 

Radiator frontal area 75.5 ft² 7.02 m²

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

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


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.


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

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.

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


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 ±6.5°

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

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.


  • Air cleaners, Donaldson SRG
  • Air filter evacuators
  • Alternator (24 volt/260A)
  • Auto lubrication system w/ground level fill & level indicator
  • Batteries–4 x 8D (1450 CCA’s)
  • Battery charging cable and socket
  • Body over center device
  • Brakes: oil-cooled, multiple disc front & rear
  • Control cabinet
  • Electric start
  • Eliminator, Centinel, reserve oil tank
  • Filters, high pressure hydraulic
  • Gate valves on hydraulic tank
  • Ground level radiator fill
  • Komatsu Payload Weighing System–PLM-III
  • Mirrors, LH flat and RH rectangular convex
  • Mud flaps
  • Muffled exhaust–deck-mounted
  • Power supply, 24 volt and 12 volt DC
  • Quick disconnects (hoist and diagnostics)
  • Radiator sight gauge
  • Removable power module unit (radiator, engine, alternator, blower)
  • Retard speed control
  • Reverse retarding
  • Rock ejectors
  • Thermostatic fan clutch
  • Fast-fill fuel system (in tank and left side remote)
  • Service center–LH
  • Body impact plate


  • All hydraulic service brakes with emergency auto apply
  • Battery disconnect switch
  • Body up sling
  • Brake lock and drive system interlock
  • Circuit breakers, 24 volt
  • Diagonal staircase across grill, L to R
  • Dynamic retarding with continuous rated element grids
  • Engine shutdown at ground level
  • Hoist propulsion interlock
  • Horns (electric–front and back-up)
  • Integral ROPS/FOPS cab Level 2
  • Maintenance and power lockout
  • Parking brakes with warning light & speed application protection
  • Power steering w/auto emergency steering
  • Protective deck handrails
  • Pump driveline protector
  • Radiator fan guard
  • Seat belts 76 mm 3" wide retractable
  • Slip-resistant coating on walkways


  • AC drive interface display
  • Air cleaner vacuum gauges
  • Air conditioner HFC-134A
  • Alarm system warning lights (red)
    - Accumulator pre-charge
    - Auto lube pressure, low
    - Battery charge
    - Brake/hydraulic oil temp w/alarm
    - Electric system fault w/alarm
    - IM fail
    - Link energized
    - Low engine oil pressure w/alarm
    - Low brake pressure w/alarm
    - No propel/retard power w/alarm
    - Stop engine no propel w/alarm
    - Steering pressure w/alarm
  • AM/FM radio/CD/mp3 and XMTM capable
  • Column-mounted retarder control
  • Digital tachometer and speedometer
  • Dome light
  • Engine hourmeter, oil pressure gauge, coolant temperature gauge, hydraulic oil temperature gauge
  • Engine shutdown w/5 minute delay timer
  • Floor mat (double barrier)
  • Fuel gauge in cab and on tank
  • Fuel low level light and buzzer
  • Gauges (w/backlight)
  • Headlight switch
  • Heater and defroster (heavy-duty)
  • Heater switch
  • High beam selector and indicator
  • Horn (center of steering wheel)
  • Indicator lights (amber):
    - 5-minute shutdown timer
    - Check engine w/alarm
    - Circuit breaker tripped
    - Coolant high temperature w/alarm
    - Drive system temperature w/alarm
    - Dump body up
    - Dynamic retarding
    - Low fuel
    - Manual back-up lights
    - Parking brakes applied
    - Propel system not ready
    - Propulsion system caution
    - Propulsion system at rest
    - Reduced propel system mode
    - Retard at continuous level
    - Retard speed control
    - Service brakes
    - Starter circuit
  • Indicator lights (blue)
    - Engine service
    - KOMTRAX Plus snapshot (IM)
  • Insulation (Max R-Value)
  • KOMTRAX Plus
  • Operator seat, adjustable w/air suspension, lumbar support and arm rests
  • Panel lighting (adjustable)
  • Passenger seat, full size
  • Payload Meter PLM III
  • Power windows
  • Pressurized cab air system w/fan on
  • Single brake/retarder pedal
  • Starter key switch
  • Sunvisor (adjustable)
  • Tilt & telescoping steering wheel
  • Voltmeter (battery output)
  • Windshield (tinted safety plate)
  • Windshield wiper (dual) and washer (electric)


  • Back-up lights–rear mount (2) halogen
  • Back-up lights–R and L - deck mount (2) halogen
  • Brake and retard lights on top of cab
  • Clearance lights
  • Control cabinet service light (LED)
  • Dynamic retarding, rear (2) halogen
  • Engine compartment service lights
  • Fog lights (2) halogen
  • Headlights (8) halogen
  • Stairway lights
  • Manual back-up light, switch and indicator
  • Payload lights R and L (LED)
  • Platform lights R, L and Center
  • Stop & tail lights (2) (LED)
  • Turn signals halogen
  • Under-hood service lights


  • Body liners
  • Fire extinguisher 9 kg / 20 lb
  • Heated body
  • Hot start engine coolant (220V 2-2500W)
  • Hot start engine oil (220V 2-500W)
  • Hubodometer (miles or Kilometers)
  • Modular Mining Systems (MMS) ready
  • Mufflers between frame rails
  • Radiator shutters
  • Reversed access ladder
  • Service center-RH or dual LH/RH
  • Special language decals
  • Suspensions, cold weather