6068HF485
6068HF485
6.8L Industrial Diesel Engine
Nothing Runs Like a Deere™
  • 6.8L PowerTech™ Plus
  • 134 - 205 kW (180 - 275 hp)
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Features
Get details on 180 to 275 hp, 134 to 205 kW John Deere 6068HF485 industrial diesel engines for OEM equipment, including features, specs, and integrated support.
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4-valve cylinder head
  • The 4-valve cylinder head provides excellent airflow resulting in greater low-speed torque and better transient response.
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
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
Variable geometry turbocharger (VGT)
  • Varies exhaust pressure based on load and speed to insure proper EGR flow; greater low-speed torque, quicker transient response, higher peak torque, 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 are the same as Tier 2/Stage II engine models
Engine performance
  • Multiple rated speeds to further reduce noise and improve fuel economy
  • New higher peak torque ratings
  • Better transient response time
  • Greater levels of low speed torque
  • Higher levels of power bulge
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. Snapshot diagnostic data that can be retrieved using commonly available diagnostic service tools
  • Controls utilize new common wiring interface connector for vehicles or available OEM instrumentation packages; new solid conduit and "T" connectors to reduce wiring stress and provide greater durability and improved appearance
  • Factory-installed, engine mounted ECU or remote-mounted ECU comes with wiring harness and associated components. Industry-standard SAE J1939 interface communicates with other vehicle systems, eliminating redundant sensors and reducing vehicle installed cost
Additional features
  • Glow plugs
  • Gear-driven auxiliary drives
  • 500-hour oil change
  • Self-adjusting poly-vee fan drive
  • R.H. and L.H. engine-mounted fuel filters
Specifications
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Emissions Certifications
Less Regulated
Tier 3
Stage IIIA equivalent
General Engine Data
Model
6068HF485
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
Intermittent - Rated power/Rated speed
205 kW (275 hp) @2000-2400 rpm
Intermittent - Peak power
168-206 kW (225-276 hp) @1800-2200 rpm
Intermittent - Power bulge
0-4 % @1800 rpm
Intermittent - Peak torque
1025 N·m (756 ft-lb) @1400 rpm
Intermittent - Torque rise
26-32%
Heavy Duty - Rated power/Rated speed
144-168 kW (193-225 hp) @2000-2200 rpm
Heavy Duty - Peak power
153-181 kW (205-243 hp) @1600-2000 rpm
Heavy Duty - Power bulge
6-8 % @1700-2000 rpm
Heavy Duty - Peak torque
934 N·m (689 ft-lb) @1400 rpm
Heavy Duty - Torque rise
28-36%
Continuous - Rated power/Rated speed
134-168 kW (180-225 hp) @2000-2400 rpm
Continuous - Peak power
137-168 kW (184-225 hp) @1600-2400 rpm
Continuous - Power bulge
0-3 % @1600 rpm
Continuous - Peak torque
838 N·m (618 ft-lb) @1400 rpm
Continuous - Torque rise
26-31%
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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