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Kohler 500REOZT Generator (510kW)

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16,450.00 LBS

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The Kohler 500REOZT mobile diesel generator offers up to 510 kW of three phase power at only 75 dBA. Available in two possible voltages: 120/208V or 277/480V (12-Lead Reconnectable).


Generator Features

  • Leroy Somer 4-pole rotating field generator with Class H insulation.
  • Self-ventilated and dripproof construction.
  • Windings are vacuum-impregnated with epoxy varnish for dependability and long life.
  • Superior voltage waveform from a two-thirds pitch stator and skewed rotor.
  • Unit-mounted radiator with 50C (122F) ambient air capability with prime rating.
  • NEMA-MG21, UTE NF C51.111, VDE 0530, BS 4999, CSA standards compliance for temperature rise and motor starting.

Engine Features

  • Volvo diesel 16.12L 4-cycle turbocharged engine with 24V battery charging alternator.
  • Battery disconnect switch.
  • Battery, battery rack, and cables included.
  • Heavy-duty air cleaner with air restrictor indicator.
  • 110% environmental containment basin for oil and coolant.
  • Water separator fuel filter.
  • Block heater.

Decision-Maker 4000 Controller Features

  • Large LCD display panel with multiple lines of text, graphic display, and icons for quick identification of system status.
  • Unique control wheel for system access.
  • User buttons for start, stop, menu, and escape.
  • View and adjust numerous system operation parameters.
  • View numerous system faults.
  • Emergency stop button.
  • On/off key switch.
  • Panel-mounted battery fuse.
  • Panel-mounted USB ports for PC access and software upgrades.
  • Password-protected access to control parameters.
  • Engine communication via CANbus.
  • Modbus communication via RS-485 or ethernet.
  • PC and flash drive connections via USB.

Distribution Panel Features

  • 1600A main line circuit breaker.
  • Bus Bar Connections: Main bus connection studs enclosed behind a lockable access door for easy access and operator safety. Strain relief to prevent cables from being pulled free from bus connections.

Enclosure Features

  • Durable galvanized steel, sound-attenuating housing.
  • Quiet operation at full load: 75 dB(A) at 7m (23 ft.)
  • Lockable housing doors.
  • Skid and vibration isolators.

Fuel Tank Features

  • Sub-base 468 gallon fuel tank for minimum of 14-hour runtime at full load (prime).
  • 110% secondary fuel containment basin.

Trailer Features

  • Dual-axle trailer with electric brake system including breakaway and battery back-up.
  • Lunette Eye (for pintle hitch tow vehicles).
  • Lockable utility tool box.
  • Running lights with 7-wire harness and connector.
  • Rear stabilizer trailer jacks.

500REOZT Spec Sheet

OPTIONS (Order with Generator)

  • Battery Charger
  • Remote Start Connections
  • Cable Rack (bolt on)
  • Bottle Jack
  • Spare tire
  • Fire Extinguisher
Standby Power:
3Ph: 460-510kW/575-638kVA
Prime Power:
3Ph: 440-460kW/550-575kVA
Amperage - 3 Phase (Prime):
1527A @ 120/208V, 692A @ 277/480V
Amperage - 1 Phase (Prime):
Voltage Options - 3 Phase:
120/208 or 277/480 (12-Lead Reconnectable)
Voltage - 1 Phase:
Voltage Selector Switch:
Voltage Regulation:
+/- 0.5%
Frequency Regulation:
+/- 2.5%
Power Factor:
3Ph: 0.8
Leroy Somer, 4-pole, Rotating field, Self-ventilated, Drip-proof, Shunt, Single bearing, Class H
Receptacles (Single Phase):
Sound Level:
75 dBA
Volvo TAD1641GE, 6-cylinder, 4-cycle, Turbocharged, 16.12L, 144 x 165 Bore x Stroke, 1800 rpm, Electronic Governor
Engine Starting System:
Fuel / Fuel Tank:
Diesel / 468 gallons
Fuel Consumption:
31.9 gph @ full load
Tier 2
Dimensions LxWxH (inches):
271 x 91 x 137 (w/ Trailer)
Approximate Dry Weight:
16450 lb. (w/ Trailer)
Approximate Wet Weight:
19750 lb. (w/ Trailer)
Limited Warranty:
1 year

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