4045TF285 Variable SpeedIndustrial Marine Engine

• 4.5L PowerTech™
• 74 kW (99 hp)

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4045TF285 Variable Speed

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Features

Features

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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.

Turbocharged

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.

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
500-hour oil change
Standard gear auxiliary drive

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Specifications

Specifications

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Specifications

John Deere

4045TF285 Variable Speed

Industrial Marine Engine

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Emissions Certifications

IMO Tier 2
EPA Tier 3

General engine 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 5.00)
Compression Ratio	19.0:1
Engine Type	In-line, 4-Cycle
Aspiration	Turbocharged
Length - mm (in)	867 (34.1)
Width-- mm (in)	680 (26.8)
Height-- mm (in)	1055 (41.5)
Weight, dry - kg (lb)	491 (1082)

Performance data range

Heavy Duty - Rated power/Rated speed	63.6 kW (85 hp) @2200 rpm
Heavy Duty - Peak power	65 kW (87 hp) @2000 rpm
Heavy Duty - Power bulge	3 % @1900 rpm
Heavy Duty - Peak torque	354 N·m (261 ft-lb) @1600 rpm
Heavy Duty - Torque rise	29%

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