John Deere 4045HFG85 4.5L 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 / 4045HFG85 4.5L Generator Drive Engine
4045HFG85 4.5L Generator Drive Engine Model Photo

 

Features

Jet fuel capable

  • The 4-valve cylinder head provides excellent airflow. Cross flow design

4-valve cylinder head

  • The 4-valve cylinder head provides excellent airflow. Cross flow design

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 ensure proper EGR flow; greater low-speed 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

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

John Deere electronic engine controls

  • Electronic engine controls monitor 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

Emissions Certifications

EPA Tier 3  

General engine data

Model 4045HFG85
Number of cylinders 4
Displacement-- L (cu in) 4.5 (275)
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) 860 (33.9)
Width-- mm (in) 612 (24.1)
Height-- mm (in) 1039 (40.9)
Weight, dry - kg (lb) 491 (1082)

Performance data range

Hz (rpm) 60 ( 1800 )
Generator Efficiency % 88-92
Power Factor 0.8
Engine power - Prime kW 134
Engine power - Prime hp 180
Engine power - Standby kW 147
Engine power - Standby hp 197
Rated Fan Power - kW 6.5
Rated Fan Power - hp 8.7
Calculated generator set output - Prime kWe 112-117
Calculated generator set output - Prime kVA 140-146
Calculated generator set output - Standby kWe 124-129
Calculated generator set output - Standby kVA 155-161

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