John Deere 6068HF285 6.8L 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 / 6068HF285 6.8L Generator Drive Engine

6068HF285 6.8L Generator Drive Engine Model Photo

Features
Specs

Features

2-valve cylinder head

Cross-flow head design provides excellent breathing from a lower-cost 2-valve cylinder head

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

Fixed geometry turbocharger

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

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

Multiple injection strategy

The new HPCR fuel system and engine control unit (ECU) allow for multiple fuel injections. The number of fuel injections, based on speed and load, help contribute to lower combustion temperatures, which reduce the formation of NOx and particulates. The multiple injection strategy also provides an added benefit of noise reduction

John Deere electronic engine 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.

Compact size

Mounting points are the same as Tier 2/Stage II engine models

Engine performance

Block loading capability provided with standard electronic governor control

Additional features

Self-adjusting poly-vee fan drive
Forged-steel connecting rods
Replaceable wet-type cylinder liners
Either-side service
500-hour oil change

Emissions Certifications

EPA Tier 3

General engine data

Model	6068HF285
Number of cylinders	6
Displacement-- L (cu in)	6.8 (415)
Bore and Stroke-- mm (in)	106 x 127 (4.17 x 5.00)
Compression Ratio	19.0:1
Engine Type	In-line, 4-Cycle
Aspiration	Turbocharged and air-to-air aftercooled
Length - mm (in)	1123 (44.2)
Width-- mm (in)	657 (25.9)
Height-- mm (in)	1036 (40.8)
Weight, dry - kg (lb)	608 (1340)

Performance data range

Hz (rpm)	60 ( 1800 )
Generator Efficiency %	88-92
Power Factor	0.8
Engine power - Prime kW	134-161
Engine power - Prime hp	180-216
Engine power - Standby kW	147-177
Engine power - Standby hp	197-237
Rated Fan Power - kW	8.1-9.8
Rated Fan Power - hp	10.9-13.1
Calculated generator set output - Prime kWe	111-139
Calculated generator set output - Prime kVA	139-174
Calculated generator set output - Standby kWe	122-154
Calculated generator set output - Standby kVA	153-193

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