4045HFG85
4.5L Generator Drive Engine
  • PowerTech™ Plus
  • Standby: 147 kW (197 hp) @ 1800 rpm
  • Prime: 134 kW (180 hp) @ 1800 rpm
  • Jet fuel capable
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Features
See how the Tier 3 147 kW (197 hp) John Deere 4045HFG85 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 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
Specifications
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Emissions Certifications
CARB
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
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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