4.5L Industrial Diesel Engine
  • PowerTech ™
  • 104 kW (139 hp)
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Getdetails on 139 hp, 104 kW John Deere 4045HF150 industrial diesel engines for OEM equipment, including features, specs, and integrated support.
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Dynamically balanced crankshaft
  • Crankshafts are formed from nodular iron
Forged-steel connecting rods
  • Unique 45-degree design permits use of larger crankshaft connecting-rod bearings for increased durability
Self-adjusting poly-vee fan drive
  • Self-adjusting, eight-groove, poly-vee fan drive provides multiple fan drive ratios and fan heights that can be matched to specific application requirements
  • Poly-vee design provides more than twice the drive capacity of comparable vee-belts
Replaceable wet-type cylinder liners
  • Provides excellent heat dissipation
  • Precision machined for long life
Either-side service
  • Engine installation and maintenance simplified and convenient by providing dipstick and oil filter options on both sides of the engine
Standard gear auxiliary drive
  • Standard gear auxiliary drive produces up to 50 hp (37 kW) for gear-driven accessories
Mounting points
  • Standard front and side mounting points provide easy installation and application flexibility
Optional engine-balancer shafts
  • Provides smooth engine operation
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General Engine Data
Number of cylinders
Displacement-- L (cu in)
4.5 (275)
Bore and Stroke-- mm (in)
106 x 127 (4.17 x 5.00)
Compression Ratio
Engine Type
In-line, 4-Cycle
Turbocharged and air-to-air aftercooled
Length - mm (in)
867 (34.1)
Width-- mm (in)
612 (24.1)
Height-- mm (in)
1000 (39.4)
Weight, dry - kg (lb)
396 (873)
Performance Data Range
Intermittent - Rated power/Rated speed
104 kW (139 hp) @2400 rpm
Intermittent - Peak power
104 kW (139 hp) @2400 rpm
Intermittent - Peak torque
498 N·m (367 ft-lb) @1400 rpm
Intermittent - Torque rise
Emissions Certifications
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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