6068HFG85
6.8L Generator Drive Engine
  • PowerTech™ Plus
  • Standby: 212-235 kW (284-315 hp) @ 1800 rpm
  • Prime: Prime: 193-214 kW (259-287 hp) @ 1800 rpm
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Features
See how the Tier 3 212-235 kW ( 284-315 hp) John Deere 6068HFG85 generator drive diesel engine with fixed geometry turbocharger provides excellent breathing from a lower-cost 2-valve cylinder head for OEM gen-set applications.
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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.
4-valve cylinder head
  • Provides excellent airflow resulting in better transient response
  • Cross flow design
High pressure common rail fuel system
  • HPCR: Higher injection pressures, up to 1600 bar (23,000 PSI) variable injection pressure, variable timing control, multiple injections and controls the duration of injection
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 insure proper EGR flow, quicker transient response for exceptional block-loading, 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 for Tier 3/Stage III A engine models same as Tier 2/Stage II engine models
John Deere electronic engine controls
  • Monitors critical engine functions providing warning and/or shutdown to prevent costly engine repairs; eliminates need for add-on governing components; all lowering total installed costs. Snapshot diagnostic data that can be retrieved using commonly available diagnostic service tools
  • New common wiring interface connector for vehicles or available OEM instrumentation packages; new solid conduit and "T" connectors to reduce wiring stress, greater durability and improved appearance
  • Factory installed engine mounted ECU or remote mounted ECU, wiring harness and associated components
  • Industry standard SAE J1939 interface which communicates with other vehicle systems, eliminating redundant sensors and reducing vehicle installed cost
Additional features
  • Self adjusting poly-vee fan drive
  • Either-side service
  • 500-hour oil change
Specifications
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Emissions Certifications
CARB
EPA Tier 3
General Engine Data
Model
6068HFG85
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
17.0:1
Engine Type
In-line, 4-Cycle
Aspiration
Turbocharged and air-to-air aftercooled
Length - mm (in)
1161 (45.7)
Width-- mm (in)
616 (24.3)
Height-- mm (in)
1128 (44.4)
Weight, dry - kg (lb)
678 (1495)
Performance Data Range
Hz (rpm)
60 ( 1800 )
Generator Efficiency %
88-92
Power Factor
0.8
Engine power - Prime kW
193-214
Engine power - Prime hp
259-287
Engine power - Standby kW
212-235
Engine power - Standby hp
284-315
Rated Fan Power - kW
6.5-14.1
Rated Fan Power - hp
8.7-18.9
Calculated generator set output - Prime kWe
164-184
Calculated generator set output - Prime kVA
181-230
Calculated generator set output - Standby kWe
194-214
Calculated generator set output - Standby kVA
226-254
John Deere Financial
We want to make owning and operating your equipment simple and affordable. 
We have a range of finance options to suit any customer.  Contact your local Emmetts branch, or visit these sites for more information and a free quote.
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