The John Deere 9RX brings 490 to 830 rated engine horsepower to a track tractor, for wide tillage tools, large planters and long days of heavy drawbar work. Every 9RX comes with fully integrated precision ag technology, so guidance and documentation are ready from the first pass.
Koenig Equipment sells and services 9RX tractors across Ohio and Indiana. Request a quote and our team will help you match horsepower, transmission and track setup to the implements you pull.

The lineup runs from 490 to 830 rated engine horsepower. The 9RX 490 through 9RX 640 use the e18 PowerShift transmission, and the 9RX 710, 770 and 830 step up to the JD18 engine and e21 PowerShift.
| Model | Rated engine HP | Max engine HP | Transmission | Highlights |
|---|---|---|---|---|
| 9RX 490 | 490 | 539 | e18 PowerShift | Choice of three cab and visibility packages |
| 9RX 540 | 540 | 594 | e18 PowerShift | 120-inch track spacing option |
| 9RX 590 | 590 | 649 | e18 PowerShift | 120-inch track spacing option |
| 9RX 640 | 640 | 691 | e18 PowerShift | JD14X (13.6 L) engine, 120-inch track spacing option |
| 9RX 710 | 710 | 781 | e21 PowerShift | JD18 (18 L) engine |
| 9RX 770 | 770 | 847 | e21 PowerShift | JD18 (18 L) engine |
| 9RX 830 | 830 | 913 | e21 PowerShift | JD18 (18 L) engine |
Horsepower figures are as listed on each model page. Request a quote on any model for current pricing, offers and John Deere Financial options.
When a 9RX is pulling your largest implement, downtime costs acres. Our ag technicians service John Deere track tractors, an agriculture off-season inspection catches wear before spring, and mobile maintenance brings a technician to the field when the tractor cannot come to us.
Ask about an ag equipment PowerGard Protection Plan to extend coverage, and order genuine John Deere parts at your Koenig store or on Koenig Marketplace. Schedule service anytime.

See the wheeled John Deere 9R and two-track 9RT models, or step down to the 8RX four-track row crop tractors. Shopping used? Browse used John Deere track tractors and 4WD tractors for sale at Koenig, updated as units come in.
How much horsepower does a John Deere 9RX have?
The 9RX lineup runs from 490 to 830 rated engine horsepower. The 9RX 830 is the largest, with 830 rated and 913 max engine horsepower.
What transmission does the 9RX use?
The 9RX 490, 540, 590 and 640 use the e18 PowerShift transmission. The 9RX 710, 770 and 830 use the e21 PowerShift.
What track spacing is available on the 9RX?
A 120-inch track spacing option is listed for the 9RX 540, 590 and 640. The 9RX 640, for example, is offered with 87 or 120 inch spacing. Our team can confirm the options for the model you are considering.
Does the 9RX come with precision ag technology?
Yes. Every 9RX has fully integrated precision ag technology. Learn more about John Deere precision ag technology at Koenig.
How much does a John Deere 9RX cost?
Price depends on the model, transmission, tracks and technology options. Request a quote on any model page and our team will send current pricing with any offers and financing options.
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