4045HF2854.5L Industrial Diesel Engine

PowerTech™ E
86 – 104 kW (115 - 139 hp)

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Tier 3 Brochure

Tier 3 Selection Guide

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4045HF285

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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.

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 new 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

Engine performance

New power bulge feature
Increased low-speed torque
New higher-peak torque ratings
Faster torque rise
Lower-rated speeds available for reduced noise and improved fuel economy

Compact size

Mounting points are the same as Tier 2/Stage II engine models

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

4045HF285

4.5L Industrial Diesel Engine

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1 2

Emissions Certifications

Less Regulated (Tier 3/Stage lllA equivalent)

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

Intermittent - Rated power/Rated speed	93-104 kW (125-139 hp) @2200-2400 rpm
Intermittent - Peak power	100-104 kW (134-139 hp) @2000-2400 rpm
Intermittent - Peak torque	525 N·m (387 ft-lb) @1500 rpm
Intermittent - Torque rise	27-30%
Heavy Duty - Rated power/Rated speed	86-93 kW (115-125 hp) @2200-2400 rpm
Heavy Duty - Peak power	90-93 kW (121-125 hp) @2000-2400 rpm
Heavy Duty - Power bulge	5 % @2000 rpm
Heavy Duty - Peak torque	480-481 N·m (354-355 ft-lb) @1500 rpm
Heavy Duty - Torque rise	29-30%
Continuous - Rated power/Rated speed	86 kW (115 hp) @2400 rpm
Continuous - Peak power	86 kW (115 hp) @2400 rpm
Continuous - Power bulge	0 %
Continuous - Peak torque	430 N·m (317 ft-lb) @1500 rpm
Continuous - Torque rise	26%

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