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John Deere 6090HF485 9.0L Industrial Diesel Engine

New / John Deere Products / Engines and Drivetrain / Industrial Diesel Engines / Tier 3/Stage III A / 6090HF485 9.0L Industrial Diesel Engine
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Features

4-valve cylinder head

  • The 4-valve cylinder head provides excellent airflow resulting in greater low-speed torque and better transient response. New 4-valve U-flow head design

High-pressure common-rail (HPCR) and engine control unit (ECU)

  • The HPCR fuel system provides variable common-rail pressure, multiple injections, and higher injection pressures, up to 1600 bar (23,000 psi). It also controls fuel injection timing and provides precise control for the start, duration, and end of the injection

Cooled exhaust gas recirculation (EGR)

  • EGR cools and mixes measured amounts of cooled exhaust gas with incoming fresh air to lower peak combustion temperatures, thereby reducing NOx

Variable geometry turbocharger (VGT)

  • Varies exhaust pressure based on load and speed to insure proper EGR flow; greater low-speed torque, quicker transient response, higher peak torque, and best-in-class fuel economy.

Air-to-air aftercooled

  • This is the most efficient method of cooling intake air to help reduce engine emissions while maintaining low-speed torque, transient response time, and peak torque. It enables an engine to meet emissions regulations with better fuel economy and the lowest installed costs

Compact size

  • Horsepower/displacement ratio is best-in-class
  • Lower installed cost
  • Mounting points are the same as Tier 2/Stage II engine models

Engine performance

  • Multiple rated speeds to further reduce noise and improve fuel economy
  • New higher peak torque ratings
  • Better transient response time
  • Greater levels of low speed torque
  • Higher levels of power bulge

John Deere electronic engine controls

  • Electronic engine controls monitor critical engine functions, providing warning and/or shutdown to prevent costly engine repairs and eliminate the need for add-on governing components all lowering total installed costs. Snapshot diagnostic data that can be retrieved using commonly available diagnostic service tools
  • Controls utilize new common wiring interface connector for vehicles or available OEM instrumentation packages; new solid conduit and "T" connectors to reduce wiring stress and provide greater durability and improved appearance
  • Factory-installed, engine mounted ECU or remote-mounted ECU comes with wiring harness and associated components. Industry-standard SAE J1939 interface communicates with other vehicle systems, eliminating redundant sensors and reducing vehicle installed cost

Additional features

  • Gear-driven auxiliary drives
  • 500-hour oil change
  • Self-adjusting poly-vee fan drive
  • Single-piece low friction piston
  • Optional rear PTO
  • Low-pressure fuel system with "auto-prime" feature
  • Directed top-liner cooling

Emissions Certifications

Less Regulated  
Tier 3  
Stage IIIA equivalent  

General engine data

Model 6090HF485
Number of cylinders 6
Displacement-- L (cu in) 9 (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

Intermittent - Rated power/Rated speed 242-280 kW (325-375 hp) @2000-2200 rpm
Intermittent - Peak power 261-280 kW (350-375 hp) @1800-2200 rpm
Intermittent - Power bulge 0-8 % @1800 rpm
Intermittent - Peak torque 1530-1543 N·m (1128-1138 ft-lb) @1500-1800 rpm
Intermittent - Torque rise 27-32%
Heavy Duty - Rated power/Rated speed 224-242 kW (300-325 hp) @2000-2200 rpm
Heavy Duty - Peak power 243 kW (326 hp) @1800-2200 rpm
Heavy Duty - Power bulge 0-8 % @1800 rpm
Heavy Duty - Peak torque 1421 N·m (1048 ft-lb) @1500 rpm
Heavy Duty - Torque rise 33-35%
Continuous - Rated power/Rated speed 168-224 kW (225-300 hp) @2000-2200 rpm
Continuous - Peak power 187-224 kW (251-300 hp) @1800-2200 rpm
Continuous - Power bulge 0-11 % @1800 rpm
Continuous - Peak torque 1095-1313 N·m (808-968 ft-lb) @1500 rpm
Continuous - Torque rise 35-36%

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