John Deere 4045TF285 Constant Speed

Feature Overview
John Deere 4045TF285 Constant Speed
  • 4.5L PowerTech™
  • 71 kW (95 hp)
Feature Overview
John Deere 4045TF285 Constant Speed
  • 4.5L PowerTech™
  • 71 kW (95 hp)

2-valve cylinder head

  • Cross flow head design that provides excellent breathing from a lower cost two-valve cylinder head

  • 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 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.

  • In turbocharged engines, the air is pre-compressed. Due to the higher pressure, more air is supplied into the combustion chamber allowing a corresponding increase in fuel injection which results in greater engine output.

  • 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.

  • 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.

  • Power bulge feature
  • Increased low-speed torque
  • Higher-peak torque ratings
  • Faster torque rise
  • Lower-rated speeds available for reduced noise and improved fuel economy

  • Self-adjusting poly-vee fan drive
  • Forged-steel connecting rods
  • Replaceable wet-type cylinder liners
  • Either-side service
  • Standard gear auxiliary drive

Emissions Certifications
& &
General data
Model 4045TF285
Number of cylinders 4
Displacement – L (cu in) 4.5 (275)
Bore and Stroke – mm (in) 106 x 127 (4.17 x 5.0)
Engine Type In-line, 4-cycle
Aspiration Turbocharged
Length – mm (in) to rear of block 867 (34.1)
Width – mm (in) 680 (26.8)
Height – mm (in) 1055 (41.5)
Weight, dry – kg (lb) 491 (1082)
Performance data
Rated speed 78 kW @ 1800 rpm
Engine power - Standby kW (hp) 78 (105)
Engine power - Prime kW (hp) 71 (95)
Generator efficiency % 88-92
Rated fan power 4.7 (6.3)
Power factor 0.8
Calculated generator set output - Standby kVa (kWe) 81-84 (65-67)
Calculated generator set output - Prime kVa (kWe) 73-77 (59-61)
*Manufacturer's suggested price. MSRP may be different in California. Taxes, freight, setup, and delivery not included. Optional accessories and attachments not included. Equipment, models and prices may vary by dealer. Product options and accessories may not be available in all regions. The engine horsepower and torque information are provided by the engine manufacturer to be used for comparison purposes only. Actual operating horsepower and torque will be less. Refer to the engine manufacturer’s website for additional information. Offers valid in the United States. Prices in U.S. dollars.
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