<table class="comp"><thead><tr><th>Model</th><th>Engine HP¹</th><th>PTO HP</th><th>Transmission</th><th>Hydraulics</th><th>Ride Comfort</th><th>Track width and Tread Spacing</th></tr></thead><tbody><tr><th><div><p><a href="/all-products/john-deere-9r-390">9R 390</a></p></div></th><td><p>Max: 429 hp (316 kW)<br />Rated: 390 hp (287 kW)</p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p></td><td><p>ActiveSeat™ II<br />HydraCushion™</p></td><td><p>N/A</p></td></tr><tr style="background:#e5e5e5"><th><div><p><a href="/all-products/john-deere-9r-440">9R 440</a></p></div></th><td><p>Max: 484 hp (356 kW)<br />Rated: 440 hp (324 kW)</p> <p> </p></td><td><p><span>Rated: 335 hp (249 kW)</span></p></td><td><p><span>e18™ PowerShift with Efficiency Manager</span></p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p></td><td><p>ActiveSeat™ II<br />HydraCushion™</p></td><td><p>N/A</p></td></tr><tr><th><div><p><a href="/all-products/john-deere-9r-490">9R 490</a></p></div></th><td><p>Max: 539 hp (396 kW)<br />Rated: 490 hp (360 kW)</p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p></td><td><p>ActiveSeat™ II<br />HydraCushion™</p> <p> </p></td><td><p>N/A</p></td></tr><tr style="background:#e5e5e5"><th><div><p><a title="9R 540" href="/all-products/john-deere-9r-540" target="_blank" rel="noopener">9R 540</a></p></div></th><td><p>Max: 594 hp (437 kW)<br />Rated: 540 hp (397 kW)</p> <p> </p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>ActiveSeat™ II<br />HydraCushion™</p> <p> </p></td><td><p>N/A</p></td></tr><tr><th><div><p><a title="9R 590" href="/all-products/john-deere-9r-590" target="_blank" rel="noopener">9R 590</a></p></div></th><td><p>Max: 649 hp (477 kW)<br />Rated: 590 hp (434 kW)</p> <p> </p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>ActiveSeat™ II<br />HydraCushion™</p></td><td><p>N/A</p></td></tr><tr style="background:#e5e5e5"><th><div><p><a title="9620R model detail page" href="/all-products/john-deere-9r-640" target="_blank" rel="noopener">9R 640</a></p></div></th><td><p>Max: 691 hp (508 kW)<br />Rated: 640 hp (471 kW)</p> <p> </p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>ActiveSeat™ II<br />HydraCushion™</p></td><td><p>N/A</p></td></tr><tr><th><div><p><a title="9RT 490 model detail page" href="/all-products/john-deere-9rt-490" target="_blank" rel="noopener">9RT 490</a></p></div></th><td><p>Max: 537 hp (400 kW)<br />Rated: 490 hp (360 kW)</p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>AirCushion™ Suspension</p></td><td><p>30 in. or 36 in. tracks</p></td></tr><tr style="background:#e5e5e5"><th><div><p><a title="9RT 540 model detail page" href="/all-products/john-deere-9rt-540" target="_blank" rel="noopener">9RT 540</a></p></div></th><td><p>Max: 595 hp (437 kW)<br />Rated: 540 hp (397 kW)</p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>AirCushion™ Suspension</p></td><td><p>30 in. or 36 in. tracks</p></td></tr><tr><th><div><p><a title="9RT 590 model detail page" href="/all-products/john-deere-9rt-590" target="_blank" rel="noopener">9RT 590</a></p></div></th><td><p>Max: 649 hp (477 kW)<br />Rated: 590 hp (434 kW)</p> <p> </p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>AirCushion™ Suspension</p></td><td><p>30 in. or 36 in. tracks</p></td></tr><tr style="background:#e5e5e5"><th><div><p><a href="/all-products/john-deere-9rx-490" target="_blank" rel="noopener">9RX 490</a></p></div></th><td><p>Max: 539 hp (396 kW)<br />Rated: 490 hp (360 kW)</p> <p> </p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>Cab Suspension</p></td><td><p>Tracks: 18 in., 24 in., 30 in., or 36 in.<br />Spacing: 80 in., 87 in., 88 in., or 120 in.</p></td></tr><tr><th><div><p><a href="/all-products/john-deere-9rx-540" target="_blank" rel="noopener">9RX 540</a></p></div></th><td><p>Max: 594 hp (437 kW)<br />Rated: 540 hp (397 kW)</p> <p> </p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p></td><td><p>Cab Suspension</p> <p> </p></td><td><p>Tracks: 18 in., 24 in., 30 in., or 36 in.<br />Spacing: 80 in., 87 in., 88 in., or 120 in.</p></td></tr><tr style="background:#e5e5e5"><th><div><p><a href="/all-products/john-deere-9rx-590">9RX 590</a></p></div></th><td><p>Max: 649 hp (477 kW)<br />Rated: 590 hp (434 kW)</p> <p> </p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>Cab Suspension</p></td><td><p>Tracks: 30 in. or 36 in.<br />Spacing: 87 in. or 120 in.</p></td></tr><tr><th><div><p><a href="/all-products/john-deere-9rx-640">9RX 640</a></p></div></th><td><p>Max: 691 hp (508 kW)<br />Rated: 640 hp (471 kW)</p> <p> </p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e18™ PowerShift with Efficiency Manager</p></td><td><p>55 or 110 gpm<br />SCV 4-8 factory installed</p> <p> </p></td><td><p>Cab Suspension</p></td><td><p>Tracks: 30 in. or 36 in.<br />Spacing: 87 in. or 120 in.</p></td></tr><tr style="background:#e5e5e5"><th><div><p><a href="/all-products/john-deere-9rx-710">9RX 710</a></p></div></th><td><p>Max: 781 hp (574 kW)</p> <p>Rated: 710 hp (522 kW)</p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e21™ 21-speed PowerShift with Efficiency Manager™</p></td><td><p>56 U.S. gpm/ 210 Lpm, 111 U.S. gpm/ 420 Lpm or 168 U.S. gpm/ 631 Lpm</p> <p>4 - 6 Electro-Hydraulic SCVs factory or field installed</p></td><td><p>Cab Suspension</p></td><td><p>Tracks: 30 in. (762 mm), 36 in. (914 mm)</p> <p>Spacing: 88 in. (2,235 mm), 120 in. (3,048 mm)</p></td></tr><tr><th><div><p><a href="/all-products/john-deere-9rx-770">9RX 770</a></p></div></th><td><p>Max: 847 hp (623 kW)</p> <p>Rated: 770 hp (566 kW)</p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e21™ 21-speed PowerShift with Efficiency Manager™</p></td><td><p>56 U.S. gpm/ 210 Lpm, 111 U.S. gpm/ 420 Lpm or 168 U.S. gpm/ 631 Lpm</p> <p>4 - 6 Electro-Hydraulic SCVs factory or field installed</p></td><td><p>Cab Suspension</p></td><td><p>Tracks: 30 in. (762 mm), 36 in. (914 mm)</p> <p>Spacing: 88 in. (2,235 mm), 120 in. (3,048 mm)</p></td></tr><tr style="background:#e5e5e5"><th><div><p><a href="/all-products/john-deere-9rx-830">9RX 830</a></p></div></th><td><p>Max: 913 hp (672 kW)</p> <p>Rated: 830 hp (610 kW)</p></td><td><p>Rated: 335 hp (249 kW)</p></td><td><p>e21™ 21-speed PowerShift 40 kph (25 mph); 21F, 11R with Efficiency Manager™</p></td><td><p>56 U.S. gpm/ 210 Lpm, 111 U.S. gpm/ 420 Lpm or 168 U.S. gpm/ 631 Lpm</p> <p>4 - 6 Electro-Hydraulic SCVs factory or field installed</p></td><td><p>Cab Suspension</p></td><td><p>Tracks: 30 in. (762 mm), 36 in. (914 mm)</p> <p>Spacing: 88 in. (2,235 mm), 120 in. (3,048 mm)</p></td></tr></tbody></table>