Tractor · 2021Unverified
John Deere 9RX 640
John Deere 9RX 640 — 9R Series · 632 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
632 hp
Weight
25546 kg
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Articulated Crawler tractorReference
Built in Waterloo, Iowa, USAReference
Original price$896,199 (2023 )Reference
Original price$999,007 (2026 )Reference
Drivearticulated-crawlerReference
Final drivesbull gearReference
Differential lockelectro-hydraulic front and rearReference
Articulated power steeringReference
Hydraulic wet disc brakesReference
Cab standard with air-conditioning.Reference
Variants
9R 640wheeled 4WDReference
9RX 640articulated crawlerReference
Engine
John Deere 13.6L 6-cyl dieselReference
Fuel tank1514.0 LReference
Exhaust fluid (DEF)120.0 LReference
Engine (gross)471.0 kWReference
Engine (max)508.0 kWReference
John Deere JD14Reference
turbocharged aftercooled dieselReference
6-cylinder 24-valveReference
liquid-cooled inlineReference
During the first year of production the 9R 640 used a Cummins QSX15 engine.Reference
Displacement13.6 LReference
Bore/Stroke132 x 165 mmReference
EmissionsTier IVReference
Rated Power (gross)471.0 kWReference
Maximum Power (gross)508.0 kWReference
Fuel systemelectronic high-pressure common railReference
Air cleanerdryReference
Compression15.9:1Reference
Rated RPM2100Reference
Torque2954.7 NmReference
Torque RPM1550Reference
StarterelectricReference
Starter volts12Reference
Oil capacity64.0 LReference
Oil change500 hReference
Coolant capacity56.5 LReference
Transmission
18-speed full power shiftReference
Transmissione18Reference
Typefull power shiftReference
Gears18 forward and 6 reverseReference
PTO & Hydraulics
PTO (claimed)249.8 kWReference
Typeclosed center pressure/flow compensatedReference
Pressure200.0 barReference
Valves4 to 8Reference
Pump flow208.2 lpmReference
Pump flow416.4 lpmReference
SCV flow132.5 lpmReference
SCV flow159.0 lpmReference
Rear TypeIVN/IVReference
Rear lift (at 24"/610mm)6804 kgReference
Rear lift (at 24"/610mm)9072 kgReference
Rear PTOindependentReference
Rear PTO Type1000 (1.75)Reference
Dimensions
Wheelbase412 cmReference
Weight25546 kgReference
30-inch tracksReference
Length879 cmReference
Height (cab)371 cmReference
Height (exhaust)368 cmReference
Shipping weight25546 kgReference
Gauge220/304 cmReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps250Reference
Charging amps330Reference
Batteries3Reference
Battery volts12Reference
John Deere 9RX 640 Tracks
Width76 cmReference
Width91 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.