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Kohler 175REOZT4 Generator (154kW)

  • 175REOZT4 with optional spare tire.
  • 175REOZT4 with optional spare tire.
  • 175REOZT4 with optional spare tire.
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9,470.00 LBS

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The Kohler 175REOZT4 mobile diesel generator offers up to 154 kW of single/three phase power at a quiet 71 dBA.


Generator Features

  • The unique Fast-Responset X excitation system delivers excellent voltage response and short-circuit capability using a rare-earth, permanent magnet (PM)-excited alternator.
  • Sustained short-circuit current of up to 300% of the rated current for up to 10 seconds.
  • Sustained short-circuit current enabling downstream circuit breakers to trip without collapsing the alternator field.
  • 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 MG1, IEEE, and ANSI standards compliance for temperature rise and motor starting.

Engine Features

  • John Deere diesel 6.8L 4-cycle turbocharged engine.
  • Lockable battery disconnect switch.
  • Battery, battery rack, and cables included.
  • Heavy-duty air cleaner with air restrictor indicator.
  • Engine oil and coolant added.
  • 125% environmental containment basin for oil and coolant.
  • Oil and coolant drain extension.
  • Tier 4 Final Technologies Applied: Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), High Pressure Common Rail (HPCR), Selective Catalytic Reduction (SCR), and Variable Geometry Turbocharger (VGT).

Decision-Maker 3500 Controller Features

  • Provides advanced control, system monitoring, and system diagnostics for optimum performance and compatibility.
  • Digital display with adjustable contrast and menu control provide easy local data access.
  • Paralleling capability with bus sensing, first-on logic, synchronizer, and (isochronous, droop, and external controlled) load sharing.
  • Remote communication thru a PC via network or serial configuration.
  • Controller supports Modbus protocol.
  • Integrated hybrid voltage regulator with +/-0.5% regulation.
  • Potted circuitry for protection from vibration and debris.
  • Built-in alternator thermal overload protection.
  • NFPA 110 Level 1 capability.
  • Security cover.

Customer Connection Panel Features

  • Emergency stop switch.
  • Remote start/stop connection.
  • 120V 15A Shore power connectors for battery charger(s) and battery heater.
  • 120V 20A Shore power connectors for block heater.
  • Field adjustable 600A main line circuit breaker. (Field adjustable 250A main line circuit breaker with 600V option)
  • Load Lug Connections: 2 load lugs per phase, #6-350MCM, 400A rating.
  • Receptacle and cam-lock options (see below).

Enclosure Features

  • Durable steel, sound-attenuating housing with quiet operation of 71 dB(A) @ 7 m (23 ft.) with full load at the prime rating.
  • Stainless steel hinges and lockable latches on doors.
  • Single-point lifting eye and four-point tie down system.

Fuel and DEF Tank Features

  • Sub-base 244 gallon fuel tank for minimum of 24-hour runtime at full load.
  • Includes the fuel level gauge, fuel fill with lockable cap, and an atmospheric vent.
  • 110% secondary containment tank.
  • The Diesel Exhaust Fluid (DEF) tank allows for 2:1 fill of DEF to diesel (minimum). DEF fluid capacity is 11.4 gallons.

Trailer Features

  • Dual-axle trailer with electric brake system on both axles and battery back-up breakaway system.
  • DOT and TC (Transport Canada) compliant per current specifications published by both agencies, at the time of trailer manufacture.
  • 2 5/16" ball hitch coupler (optional Lunette eye available).
  • Lockable utility tool box with bottle jack, lug wrench, and fire extinguisher. Common key to enclosure.
  • Running lights with 7-wire harness and connector.
  • Front tongue jack.
  • Rear stabilizer trailer jacks.
  • Weight bearing fenders up to 500 lbs.


175REOZT4 Spec Sheet

175REOZT4 Drawing

175REOZT4 Generator Manual

175REOZT4 Engine Manual

OPTIONS (Order with Genertor)

Voltage Options

  • Three-Position Lockable Voltage Selector Switch Option (1Ph 120/040V, 3Ph 120/208V, and 3Ph 277/480V). Includes standard camlock connections and convenience receptacles.
  • Single Voltage Reconnectable Option (1Ph 120/040V, 3Ph 120/208V, 3Ph 120/240V, or 3Ph 277/480V).
  • Single Voltage Stand-Alone Option (3Ph 347/600V).

Multi-Voltage Quick-Ship Option

  • Three-Position Lockable Voltage Selector Switch: 1Ph 120/040V, 3Ph 120/208V, and 3Ph 277/480V
  • Convenience Receptacles: Two 15A 120V GFCI duplex receptacles and Three 50A 240V twistlock receptacles (with individual circuit breakers)
  • Color-Coded Camlock Load Connections
  • Battery Charger
  • Cold Weather Package (includes block heater and battery heater pad/wrap)
  • Two-Way Fuel Valve (to connect a customer-supplied second fuel tank for extended runtimes)
  • Spare Tire

Generator Options

  • Color-Coded Camlock Load Connections
  • Battery Charger
  • Cold Weather Package (includes block heater and battery heater pad/wrap)
  • Two-Way Fuel Valve (to connect a customer-supplied second fuel tank for extended runtimes)
  • Mobile Paralleling Box
  • 15 Relay Dry Contact
  • Spark Arrestor Kit
  • CSA Certified

Trailer Options

  • Spare Tire
  • Lunette Eye
  • Wheel Chocks
  • Field Draggable Skid (no trailer)
Standby Power:
3Ph: 149-154kW/186-193kVA; 1Ph: 106kW/106kVA
Prime/Continuous Power:
3Ph: 135-139kW/169-174kVA; 1Ph: 105-106kW/105-106kVA
Amperage - 3 Phase (Prime):
483A @ 120/208V, 406A @ 120/240V, 209A @ 277/480V, 185A @ 347/600V
Amperage - 1 Phase (Prime):
442A @ 120/240V
Voltage Options - 3 Phase:
120/208, 120/240, or 277/480 (12-Lead Reconnectable), Optional 347/600 also available (6-Lead)
Voltage Option - 1 Phase:
Optional Voltage Selector Switch:
1Ph 120/240V, 3Ph 120/208, & 3Ph 277/480V
Voltage Regulation:
+/- 0.5%
Frequency Regulation:
+/- 0.5%
Power Factor:
3Ph: 0.8, 1Ph: 1.0
Kohler, 4-pole, Rotating field, Self-ventilated, Drip-proof, Brushless, Rare-Earth, Permanent Magnet, Single bearing, Class H
Receptacles (Single Phase):
Optional (See Options)
Sound Level:
71 dBA
John Deere 6068HFG08, 6-cylinder, 4-cycle, Turbocharged, Charge Air-Cooled, 6.8L, 106 x 127 Bore x Stroke, 63 hp, 1800 rpm, Electronic Governor
Engine Starting System:
Fuel / Fuel Tank / DEF Tank:
Diesel / 244 gallons / 11.4 gallons
24 hours @ full load (prime)
EPA Tier 4 Final
Dimensions LxWxH (inches):
235.1 x 79.1 x 112.4 (w/ Trailer)
9470 lb. (w/o fuel)
Generator Warranty:
3 years / 3000 hours
Trailer Warranty:
1 year
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