6068HF285 6.8L Generator Drive Engine

6068HF285 6.8L Generator Drive Engine

Overview

  • PowerTech™ E
  • Standby: 147-177 kW (197-237 hp) @ 1800 rpm
  • Prime: 134-161 kW (180-216 hp) @ 1800 rpm
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Features

Features

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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

Specifications

Emissions certifications

CARB
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