Tractor · 2027Unverified
John Deere 8RX 440
John Deere 8RX 440 — 8 Series · 434 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
434 hp
Weight
21949 kg
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Agricultural Crawler tractorReference
DrivecrawlerReference
Engine
John Deere 13.6L 6-cyl dieselReference
Fuel tank1122.6 LReference
Exhaust fluid (DEF)68.9 LReference
Engine (gross)323.6 kWReference
Engine (max)355.7 kWReference
Engine (boost)385.5 kWReference
John Deere JD14Reference
turbocharged aftercooled dieselReference
6-cylinder 24-valveReference
liquid-cooled inlineReference
Displacement13.6 LReference
Bore/Stroke132 x 165 mmReference
Rated Power (gross)323.6 kWReference
Maximum Power (gross)355.7 kWReference
Boost Power385.5 kWReference
Rated RPM1900Reference
Torque2196.7 NmReference
StarterelectricReference
Starter volts12Reference
Transmission
continuously-variable transmissionReference
TransmissioneAutoPowr EVTReference
Typecontinuously-variable transmissionReference
Gearsinfinite forward and reverseReference
PTO & Hydraulics
PTO (claimed)264.7 kWReference
PTO (claimed)287.8 kWReference
Typeclosed-center PFCReference
Rear valves4 to 6Reference
Pump flow317.9 lpmReference
Pump flow416.4 lpmReference
SCV flow132.5 lpmReference
SCV flow170.3 lpmReference
Rear TypeIVN/IIIReference
Controlelectro-hydraulic draft sensingReference
Rear lift9072 kgReference
Rear lift10886 kgReference
DrawbarCat. VReference
Rear PTOindependentReference
Rear PTO Type1000 (1.75)Reference
Rear PTO Type1300 (2.25)Reference
Front PTOindependentReference
Clutchelectro-hydraulic wet discReference
Front PTO Type1000 (1.375)Reference
Dimensions
Weight21949 kgReference
21-inch tracksReference
Gauge203 to 0 cmReference
Gauge223 to 0 cmReference
Gauge304 to 0 cmReference
Gauge335 to 0 cmReference
Gauge345 to 0 cmReference
Gauge365 to 0 cmReference
21949 kgReference
Max Drawbar8618 kgReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps250Reference
Charging amps330Reference
Batteries3Reference
Battery CCA950Reference
Battery volts12Reference
John Deere 8RX 440 Tracks
Width53 cmReference
Width60 cmReference
Width76 cmReference
Capacities
Max capacity28500 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.