Tractor reference
John Deere 9R 640
Specifications, maintenance, parts and compatibility reference.
Specification set: United States - Current 9R articulated wheel tractor - cab Model family remains present in Deere technical publications. Core power, engine, PTO, transmission, hydraulic and fuel-capacity values use Deere official 9 Series specifications.
Machine Configuration
Operator stationCab
Wheel or track configurationWheel
Drive type4WD articulated
Engine
Engine manufacturerJohn Deere
Engine displacement13.6 L
Engine modelJD14
Engine horsepower640 hp
Cylinders6
Maximum engine power691 hp
Rated engine speed2100 rpm
Emissions certificationFinal Tier 4
Transmission
TransmissionJohn Deere e18 18-speed PowerShift with Efficiency Manager; 18F/6R, 25 mph
PTO
PTO power335 hp
Hydraulics
Standard hydraulic pump output55 gpm
Optional hydraulic pump output110 gpm
Capacities
Fuel tank capacity400 US gal
Compatible parts & kits
This source-backed list can include maintenance parts, mounting hardware and accessory kits. Serial-number and machine-configuration restrictions may still apply, so review each part page before ordering or installing.
RE230985Secondary Air Filter ElementAir Filters →TA17973Primary Air Filter ElementAir Filters →RE284091Cab Fresh Air FilterCabin Air Filters →RE593819Cab Recirculation Air FilterCabin Air Filters →DZ110513DEF Inline FilterDEF Filters →DZ114640DEF Supply Module FilterDEF Filters →RE572785Engine Oil FilterEngine Oil Filters →AT365869Fuel Water Separator FilterFuel / Water Separators →DZ124761Primary Fuel FilterFuel Filters →DZ124786Secondary Fuel FilterFuel Filters →RE269061Pilot Valve / SCV Filter - Early SerialHydraulic Filters →RE577250Transmission System FilterHydraulic Filters →RE577612Hydraulic / Lube Filter ElementHydraulic Filters →TA21586Pilot Valve / SCV Filter - Current SerialHydraulic Filters →H216169Vent FilterVent Filters →RE597019Fuel Tank Vent FilterVent Filters →
Sources
John Deere · official sourceJohn Deere 9 Series official 390-640 specification matrix