6068HFG056.8L Generator Drive Engine

PowerTech™ PVL
Standby: 160-192 kW (215-257 hp) @ 1800 rpm
Prime: 146-175 kW (196-235 hp) @ 1800 rpm
Dual frequency available

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6068HFG05

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Features

Features

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DOC/SCR aftertreatment

These engines use diesel oxidation catalyst (DOC) and selective catalaytic reduction (SCR) technology to meet Final Tier 4 emission regulations. They meet customer performance without the need for a diesel particulate filter (DPF).

Big engine durability

Heavy-duty components that are usually found in our larger engines are used throughout our generator drive engine line. Many of our DOC/SCR engines feature top-liner cooling, steel pistons, and variable-speed fan drives.

Variable geometry turbocharger (VGT)

Varies exhaust pressure based on load and speed to ensure proper EGR flow. The combination of the cooled EGR and VGT provide low-speed torque, quicker transient response, higher-peak torque, and world-class fuel economy.

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.

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 2,500 bar (36,000 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 resulting in greater low-speed torque and better transient response time 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 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

Lower installed cost
Mounting points are the same as previous engine models

John Deere electronic engine controls

Enables low idle speed for reduced fuel consumption
Enables switching between 1500 and 1800 RPM without reprogramming
Single engine control unit (ECU) manages both the engine and the aftertreatment systems
Premium software option integrates with equipment or vehicles to reduce engineering and installation costs

Additional features

Low idle speeds
Dual frequency 1500/1800 rpm
Glow plugs 500-hour oil change
Self-adjusting poly-vee fan drive
Optional factory installed variable-speed fan drive improves fuel economy and reduces noise levels
RH and LH engine mounted fuel filters
Replaceable (wet) cylinder liners
Low-pressure fuel system with electrical transfer pump and "auto-prime" feature

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Specifications

Specifications

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Specifications

John Deere

6068HFG05

6.8L Generator Drive Engine

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Emissions Certifications

EPA Final Tier 4

General engine data

Model	6068HFG05
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	17.2 : 1
Engine Type	In-line, 4-cycle
Aspiration	Turbocharged and air-to-air aftercooled
Length - mm (in)	1140 (44.9)
Width-- mm (in)	720 (28.3)
Height-- mm (in)	1315 (51.8)
Weight, dry - kg (lb)	770 (1698)

DOC Dimensions

Size 5 - Diameter - mm (in)	259.3 (10.2)
Size 5 - Length - mm (in)	572.9 (22.6)
Size 5 - Weight - kg (lb)	23.5 (51.8)

SCR Catalyst Dimensions

Size 5 - Diameter -mm(in)	356 (14.0)
Size 5 - Weight -kg(lb)	47.2 (104.1)
Size 5 - Length -mm(in)	784.9 (30.9)

Performance data range

Hz (rpm)	60 ( 1800 )
Generator Efficiency %	89-93
Power Factor	0.8
Engine power - Prime kW	146-175
Engine power - Prime hp	196-235
Engine power - Standby kW	160-192
Engine power - Standby hp	215-257
Rated Fan Power - kW	4.8-5.8
Rated Fan Power - hp	6.4-7.8
Calculated generator set output - Prime kWe	126-157
Calculated generator set output - Prime kVA	157-197
Calculated generator set output - Standby kWe	138-173
Calculated generator set output - Standby kVA	173-217

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