John Deere 9RX 640

John Deere 9RX 640 tractor photo
2021 -
9R Series
Articulated Crawler tractor
Series map:
9RX 590
9RX 640
ManufacturerJohn Deere
Articulated Crawler tractor
Built in Waterloo, Iowa, USA
Original price was $896,199 in 2023
9R 640wheeled 4WD
9RX 640articulated crawler
John Deere 9RX 640 Engine
John Deere 13.6L 6-cyl diesel
Fuel tank400 gal
1514.0 L
Exhaust fluid (DEF)31.7 gal
120.0 L
Engine details ...
John Deere 9RX 640 Power
Engine (gross)631.6 hp
471.0 kW
Engine (max)681.2 hp
508.0 kW
PTO (claimed)335 hp
249.8 kW
Final drivesbull gear
Differential lockelectro-hydraulic front and rear
Articulated power steering
Hydraulic wet disc brakes
Cab standard with air-conditioning.
No photos of the John Deere 9RX 640 are currently available. To submit yours, email it to Photos may only be used with the permission of the original photographer.
Typeclosed center pressure/flow compensated
Pressure2900 psi
200.0 bar
Valves4 to 8
Pump flow55 gpm
208.2 lpm
 110 gpmOptOptional
416.4 lpm
SCV flow35 gpm
132.5 lpm
 42 gpm*Optional, 3/4 inch coupler
159.0 lpm
Tractor hitch
Rear TypeIVN/IV
Rear lift (at 24"/610mm)15000 lbs
6804 kg
 20000 lbs
9072 kg
Power Take-off (PTO)
Rear PTOindependent
Rear RPM1000 (1.75)
Dimensions & Tracks
Wheelbase162.5 inches
412 cm
Weight56320 lbs
25546 kg
30-inch tracks
Full dimensions and tracks ...
Charging systemalternator
Charging amps250
 330 OptOptional
Battery volts12
9RX 640 references literature
9 Series Tractors published in 2022, by John Deere
Operator's Manual 9RX Tractors (OMTR118862) published in 2021
Page information
Peter Easterlund - owner of
Peter Easterlund - owner/author
Updated on February 9, 2023
Copyright 2023® - Official operator manuals for purchase or download from Deere.
©2000-2023 -®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.