John Deere 9RX 640

In production · Tracks

PTO power · claimed

335 hp

Weight
56,320 lb
Engines
1 Diesel
Built
no record
Price new
no record

Power

Power specifications
Engine631.6 hp gross
Engine, maximum (boost)681.2 hp
PTO335 hp claimed
Drawbarno record
Listed power631 hp engine basis

Engines

Engines fitted to the John Deere 9RX 640
John Deere 13.6L 6-cyl dieselDiesel · 6 cyl827 ci
Engine details
John Deere 13.6L 6-cyl diesel
Bore × stroke
5.2 in × 6.5 in
Rated speed
2,100 rpm
Rated power
631.6 hp
Torque
2,179 lb·ft at 1,550 rpm
Compression
15.9:1
Cooling
liquid-cooled inline
Emissions
Tier IV
Notes
6-cylinder 24-valve. During the first year of production the 9R 640 used a Cummins QSX15 engine.

Transmissions

Transmissions for the John Deere 9RX 640
e18full power shift18F / 6R

Weight

Weight specifications
Weight56,320 lb shipping
Shipping56,320 lb

Dimensions

Dimensions specifications
Wheelbase162.5 in
Length346.3 in

Capacities

Capacities specifications
Fuel tank400 gal
DEF tank31.7 gal

Hydraulics

Hydraulics specifications
Systemclosed center pressure/flow compensated
Pump flow55 gpm
Remote valve flow35 gpm
Pressure2,900 psi
Remote valves4 to 8

Hitch

Hitch specifications
Rear hitch categoryIVN/IV
Rear lift capacityno record
Rear lift at 24 in (610 mm)15,000 lb

PTO

PTO specifications
Rear PTOindependent
Rear PTO speeds1000 (1.75)

Chassis

Chassis specifications
Drivetracks
SteeringArticulated power steering
BrakesHydraulic wet disc brakes
Differential lockelectro-hydraulic front and rear
Final drivesbull gear
CabCab standard with air-conditioning

Tracks

Tracks specifications
Track width30 in

Electrical

Electrical specifications
System voltage12 V
Batteries3
Chargingalternator
Charging output250 A
Groundnegative

Production

Production specifications
FactoriesWaterloo, Iowa, USA
Built byJohn Deere

Variants

  • 9R 640 wheeled 4WD
  • 9RX 640 articulated crawler

Literature

  • 9 Series Tractors John Deere, 2022
  • Operator's Manual 9RX Tractors (OMTR118862) 2021