HomeEnginesJohn Deere 4045HF120

John Deere 4045HF120 Engine Engine

Part of the John Deere 4045 engine family — 62 variants share parts & fitment.

Engine specifications

Displacement4.48 L
Cylinders4
AspirationTurbo Air/Air DC
Rated speed1800 rpm
Oil capacity13.5 L
Gross power106 kW

Equipment powered by this engine

2

Parts cataloged across the John Deere 4045 family

97
Part #DescriptionCategory
253108Element, air cleanerair_filter
352575Alternatoralternator
RE533516ALTERNATORalternator
PA-32449424 V Batterybattery
PA-352253Battery Rack, free standingbattery
PAA-32676724 V Battery Charger w/alarmsbattery
F100-570CONTROL BOX ASSEMBLYcontrol_box
352595Controller, Decision-Maker 340controller
352570Cooling, Unit Mounted Radiatorcooling
PA-275477Exhaust Manifold Blanketcooling
PA-276943Flexible Exhaust Connectorcooling
255130Safeguard Breakerelectrical
273744Run Relay, 12 Velectrical
274593Voltage regulator (standard)electrical
336401Isochronous Governorelectrical
347274Failure Relayelectrical
352374Fuel Pressure Gaugeelectrical
PA-273913Dry Contact Kitelectrical
PA-293906Emergency Stop, Remoteelectrical
PA-346588Current Transformerelectrical
PA-354752Load Bank Controllerelectrical
F100-790ENGINE OPERATING PANEL ASSEMBLYengine_operating_panel
F100-680ENGINE & RADIATOR ASSEMBLYengine_radiator
352371Flexible Fuel Linesfluid
0000I00Fuel Solenoidfuel_solenoid
R136495Gasketgasket
R524468Gasketgasket
F100-460GENERATOR ASSEMBLYgenerator
F100-800GENERATOR ASSEMBLYgenerator
X--386--127Line, Flex Fuelhose
X--386--48Fuel line, flexiblehose
X--426--9Clamp, hose, .25/.70 in.hose
F100-350NAME PLATE AND DECALSnameplate
223604Filter, oiloil_filter
223673Filter, oiloil_filter
006226other_service
10000024262Decal, phase switch warningother_service
10000029864Decal set, MDG75 mechanical groupother_service
100REOZJ4Stationary non-emergency gen-setsother_service
12142Decal, groundother_service
19M7838Screwother_service
19M7862Screwother_service
19M8306Screwother_service
26386Decal, pinch pointother_service
352585Block Heaterother_service
46606373other_service
50876Decal, positive battery disconnectother_service
51552Decal, high tempother_service
80REOZJ4Stationary non-emergency gen-setsother_service
AR106083Plugother_service
C07575DC Engine Wiringother_service
C07651AC Heater Wiringother_service
F100-250WINGSother_service
F100-260WINGSother_service
GM103522--1Engine, 12V JD4045HFGother_service
GM103523--1Engine, 12V JD4045HFGother_service
GM32386-KP1Exhaust Silencer, Hospitalother_service
GM94201--1Engine, 12V JD4045HFGother_service
GM94202--1Engine, 12V JD4045HFGother_service
GM94206Tube, Exhaustother_service
GM94207Tube, DPF To Decomp Tubeother_service
GM94222Tube, Air Intakeother_service
GM94228Tube, Exhaustother_service
GM94230Tube, Air Intakeother_service
GM98896Tube, DPF To Decomp Tubeother_service
H23125Plugother_service
PA-324470Exhaust Silencer, Criticalother_service
PA-354809Exhaust Silencer, Critical (kit)other_service
R116296Coverother_service
R123574Nutother_service
R131765Plugother_service
R135918Boltother_service
R503447Housingother_service
R505567Pulleyother_service
R515040Bushingother_service
R516648Cap Screwother_service
R517208Pulleyother_service
R517237Bushingother_service
R520896Valve Coverother_service
R521326Valve Coverother_service
R521327Valve Coverother_service
R521401Medallionother_service
R522409Heat Shieldother_service
RE501377Filler Neckother_service
RE527858Screw M6 x 12other_service
RE528742Deflectorother_service
RE535560Filler Capother_service
RE67238Screwother_service
RE67239Screwother_service
X--672--7Clamp, insulated, .44 in.other_service
F100-910OUTPUT TERMINALSoutput_terminals
352571Skidphysical
F100-1020Radiatorradiator
R123575O-Ringseal
R502902Packingseal
R61467O-Ringseal
RE44574Sealseal

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Also powers generators

This engine powers 3 generator set(s) on Facts About Generators — same parts apply.

Common questions

What equipment uses the John Deere 4045HF120 engine?

The John Deere 4045HF120 engine powers 2 machine(s), including John Deere 17G, John Deere 26G.

What is the displacement of the John Deere 4045HF120?

The John Deere 4045HF120 has a displacement of 4.48 liters.