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John Deere 6090HF484 9.0L Generator Drive Engine

Model Photo


  • PowerTechâ„¢ E
  • Standby: 229-315 kW (307-422 hp) @ 1800 rpm
  • Prime: 208-287 kW (279-385 hp) @ 1800 rpm



Fixed geometry turbocharger

  • Fixed geometry turbochargers are precisely matched to the power level and application

4-valve cylinder head

  • Provides excellent airflow resulting in better transient response
  • U-flow design

Air-to-air aftercooled

  • Most efficient method of cooling intake air to help reduce engine emissions while improving transient response time
  • Enables an engine to meet emissions with better fuel economy and the lowest installed costs

High pressure common rail fuel system

  • HPCR: Higher injection pressures, up to 1600 bar (23,500 PSI) variable injection pressure, variable timing control, multiple injections and controls the duration of injection

Compact size

  • Mounting points for Tier 3/Stage III A engine models same as Tier 2/Stage 2 engine models

Engine performance

  • Block loading capability provided with standard electronic governor control

John Deere electronic controls

  • Electronic engine controls monitor critical engine functions, providing warning and/or shutdown to prevent costly repairs and eliminate the need for add-on governing components, all lowering total installed costs.

Additional features

  • Single-piece low friction piston; directed top-liner cooling; gear-driven auxiliary drive; optional 500-hour oil change; self-adjusting poly-vee fan-drive; optional rear PTO; engine mounted ECU

Emissions Certifications

EPA Tier 3  

General engine data

Model 6090HF484
Number of cylinders 6
Displacement-- L (cu in) 9.0 (549)
Bore and Stroke-- mm (in) 118.4 x 136.0 (4.66 x 5.35)
Compression Ratio 16.0 : 1
Engine Type In-line, 4-Cycle
Aspiration Turbocharged and air-to-air aftercooled
Length - mm (in) 1208 (47.6)
Width-- mm (in) 630 (24.8)
Height-- mm (in) 1113 (43.8)
Weight, dry - kg (lb) 901 (1986)

Performance data range

Hz (rpm) 60 ( 1800 )
Generator Efficiency % 90-94
Power Factor 0.8
Engine power - Prime kW 206-284
Engine power - Prime hp 276-381
Engine power - Standby kW 229-315
Engine power - Standby hp 307-422
Rated Fan Power - kW 13.74-25.3
Rated Fan Power - hp 18.4-33.9
Calculated generator set output - Prime kWe 176-253
Calculated generator set output - Prime kVA 220-316
Calculated generator set output - Standby kWe 194-278
Calculated generator set output - Standby kVA 242-348