4045HF285 Constant Speed
Industrial Auxiliary Engine
  • 4.5L PowerTech™
  • 117 kW (157 hp)
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Features
Run pumps, winches, deck cranes, hydraulics, and generators with a Tier 3 John Deere constant speed industrial auxiliary engine.
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2-valve cylinder head
  • Cross flow head design that provides excellent breathing from a lower cost two-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 sized for a specific power range and optimized to provide excellent performance across the entire torque curve. They are also designed to maximize fuel economy between the engine's rated speed and peak torque.
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 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
  • PowerTech E engines offer electronically controlled fuel systems with improved cold-start performance, precise engine speed control, torque curve shaping and more. Because these systems have less need for redundant sensors, add-on electronic governors, and shutdown devices - they result in a lower total installed cost.
Additional features
  • Self-adjusting poly-vee fan drive
  • Forged-steel connecting rods
  • Replaceable wet-type cylinder liners
  • Either-side service
  • Standard gear auxiliary drive
Specifications
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General Engine Data
Model
4045HF285
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
19.0:1
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
Heavy Duty - Rated power/Rated speed
86 kW (115 hp) @2200 rpm
Heavy Duty - Peak power
90 kW (121 hp) @ 2000 rpm
Heavy Duty - Power bulge
5% @ 2000 rpm
Heavy Duty - Peak torque
480 N·m (354 ft-lb) @1500 rpm
Heavy Duty - Torque rise
29%
Emissions Certifications
EPA Marine Tier 3
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.
John Deere FinancialEmmetts Finance
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