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Winpower DR20I4 Generator (20kW)

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1,635.00 LBS

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The Winpower DR20I4 mobile diesel generator offers up to 20 kW of mobile power. Winpower utilizes the Isuzu 2.2L engine which has been used in industrial applications for years to give you the confidence of performance and reliability. Available in several phase/voltage models.

DR20I4 Models
Model Phase Voltage kW kVA Amps
DR20I4-A 1 120/240V 20 20 83
DR20I4-D 3 120/208V 20 25 69
DR20I4-J 3 120/240V 20 25 60
DR20I4-L 3 277/480V 20 25 30


Engine Features

  • Isuzu 4LE1 36hp 2.2L diesel engine.
  • EPA Certified Tier 4 Interim.
  • Efficient low fuel consumption design.
  • Circulating block heater - 120V, 1000W, with thermostat.

Generator Features

  • Stamford industrial grade generator.
  • Rated for continuous standby use.
  • Class H insulation.
  • Automatic voltage regulator provides +/-1% regulation.
  • Available in all common voltages.

Control Features

  • Digital genset DSE 7310 controller.
  • Engine/genset display and protection.
  • Glow plugs and starter solenoid controls.
  • Emergency stop.
  • USB connectable communications.
  • Expanded communications options.
  • Audible alarm.
  • Engine exerciser.
  • Event log.
  • Configurable inputs.
  • Configurable outputs.
  • UL/CSA Listed.
  • See the Spec Sheet below for a full listing of features.

Enclosure Features

  • Constructed with Galvannealed steel
  • Lockable doors keyed alike
  • Stainless steel hinges and door stops
  • Critical muffler
  • Maintenance doors and panels
  • Powder coated prior to assembly
  • Sound absorbing foam lined
  • Cooling air deflectors

Trailer Features

  • Single-axle.
  • 3500 lbs. GVWR.
  • DOT-approved.
  • 54 gallon fuel tank.

Other Features

  • Welded and powder coated steel base.
  • Rubber mounted engine and generator.
  • Electrician friendly single cover connection points.
  • 2A battery charger.
  • Load bank tested.
  • Single step 100% load tested.
  • Operation Manuals.
  • Designed for long life.


DR20I4 Spec Sheet

DR20I4 Drawing

DR20I4 Manual


  • Excitation Boost System (EBS)
  • DSE 5 Amp 12/24 VDC Battery Charger with battery failure contact
  • DSE 10 Amp 12/24 VDC Battery Charger with battery failure contact
  • Generator Strip Heater
  • Cam-lock Receptacles
  • Mounted Spare Tire
  • Tool Box
Basic Model:
Continuous Power Rating:
Varies by Model (See Chart under Description Tab)
Varies by Model (See Chart under Description Tab)
Varies by Model (See Chart under Description Tab)
Voltage Regulation:
+/- 1%
Power Factor:
1.0 (1Ph), 0.8 (3Ph)
4 Pole Revolving Field, 1800 rpm, Class H
Sound Level at 7m:
69 dBA
Isuzu 4LE1, 36 hp, 4 cylinder, 2.2L,1800 rpm
Fuel Consumption - Diesel:
1.8 gph
Fuel Tank:
54 gallons
Single-axle, DOT approved, 3500 lbs. GVWR
Dimensions LxWxH (inches):
63 x 34 x 40 (approximate)
Approximate Weight:
Generator: 1635 lbs; Trailer: 1150 lbs
Generator Warranty:
1 year / 1000 hours
Engine Warranty:
3 year / 3000 hours
Derate 3% per 1,000 feet elevation above sea level.

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