9RX 640

4wd Track Tractors


  • Engine HP1: 691 Max/ 640 hp Rated
  • Fully integrated precision ag technology
  • e18 PowerShift transmission
  • 120-inch track spacing option
  • JD14X (13.6L) Engine

1Engine power PS (hp ISO) at max engine power speed (ECE-R120). John Deere Standard RES10080, SAE Standards J1995.


9RX 640 4wd Track Tractor FAQs

How much horsepower does the John Deere 9RX 640 have?

The 9RX 640 is rated at 640 engine hp with 691 maximum engine hp (ECE-R120) from a 13.6 L John Deere engine that is B20 diesel compatible. Peak torque is 2,179 lb-ft at 1550 rpm, and the e18 18-speed PowerShift transmission with Efficiency Manager tops out at 25 mph.

What track spacing and track widths are available on the John Deere 9RX 640?

The 9RX 640 is offered with 87 in. or 120 in. track spacing, and tracks come 30 in. wide as standard or 36 in. wide as an option. It runs Camso 3500 and 6500 Ag Series tracks with two mid-rollers, and turning radius is 21.1 ft with 30 in. tracks on 87 in. spacing.

How much can the John Deere 9RX 640 pull and lift?

The Category 4N/4 rear hitch is offered with 15,000 lb or 20,000 lb lift capacity, and the Category 5 drawbar carries a 12,000 lb vertical load. Base machine weight is 56,981 lb, and the tractor can be ballasted up to 67,000 lb.

How many SCVs can the John Deere 9RX 640 have?

The 9RX 640 comes with four rear SCVs and can be set up with up to eight, factory or field installed. A single rear SCV delivers 35 gpm with 1/2 in. couplers or 42 gpm with 3/4 in. couplers, and you can change coupler size with a new housing instead of a full SCV slice.

What cab visibility packages can I get on the John Deere 9RX 640?

Choose Select with 18 halogen work lights, Premium with 18 LED work lights and heated electric mirrors, or Ultimate with 24 LED work lights, eight LED convenience lights, telescoping mirrors and integrated digital cameras. Cab suspension is standard, and rear window tint is available as an option on any package.

Where can I buy genuine parts for my John Deere 9RX 640?

You can shop genuine John Deere 9RX 640 parts on Koenig Marketplace, including engine parts, drivetrain parts and hydraulic parts. Choose same-day delivery from a nearby Koenig store or pick up in store. Our trained technicians across Ohio and Indiana can also handle your 9RX 640's regular maintenance and repairs.

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