John Deere 6090HFG85 9.0L Generator Drive Engine

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All Product Lines / John Deere Products / Engines and Drivetrain / Generator Drive Engines / Standby Power / Tier 3 and Lesser Regulated / 6090HFG85 9.0L Generator Drive Engine

6090HFG85 9.0L Generator Drive Engine Model Photo

Features
Specs

Features

Jet fuel capable

The John Deere jet fuel capable engines run on military, arctic, and aviation fuel, including Jet A, Jet A-1, JP-5, and JP-8. If you need to switch back to diesel fuel, just fill up the tank and go.

Cooled exhaust gas recirculation (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 ensure proper EGR flow and best-in-class fuel economy.

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 1,600 bar (23,000 psi). It also controls fuel injection timing and provides precise control for the start, duration, and end of injection.

4-valve cylinder head

The 4-valve cylinder head provides excellent airflow by utilizing a cross-flow design

Air-to-air aftercooled

This is the most efficient method of cooling intake air to help reduce engine emissions. It enables an engine to meet emissions regulations with better fuel economy and the lowest installed costs

Compact size

Horsepower/displacement ration is best-in-class
Lower installed cost
Mounting points are the same as previous engine models

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.

Additional features

Self adjusting poly-vee fan drive
Single-piece low-friction steel piston
Low-pressure fuel system with electrical transfer pump and "auto-prime" feature
Directed top-liner cooling

Emissions Certifications

EPA Tier 3

General engine data

Model	6090HF485
Number of cylinders	6
Displacement-- L (cu in)	9.0 (549)
Bore and Stroke-- mm (in)	118.4 x 136 (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)	1211 (47.7)
Width-- mm (in)	633 (24.9)
Height-- mm (in)	1260 (49.6)
Weight, dry - kg (lb)	1096.8 (2418)

Performance data range

Hz (rpm)	60 ( 1800 ) 50 ( 1500 )
Generator Efficiency %	90-94 90-94
Power Factor	0.8 0.8
Engine power - Prime kW	245 193
Engine power - Prime hp	328 259
Engine power - Standby kW	269 212
Engine power - Standby hp	361 285
Rated Fan Power - kW	16.1 12.7
Rated Fan Power - hp	21.6 17
Calculated generator set output - Prime kWe	213-223 168-176
Calculated generator set output - Prime kVA	267-279 210-220
Calculated generator set output - Standby kWe	235-245 185-193
Calculated generator set output - Standby kVA	294-307 231-242

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