John Deere 8400r • Proven & Original

For a deep dive into the official performance data, you can view the Nebraska Tractor Test 2172, which provides the technical verification for its record-breaking drawbar performance.

It is equipped with a Category 4 drawbar and a rear hitch capable of lifting up to 12,124 kg (approx. 26,729 lbs), making it suitable for the heaviest implements.

The 8400R is exclusively fitted with the e23 full power shift transmission , offering 23 forward and 11 reverse speeds. This mechanical gearbox is noted for being perfectly suited to heavy cultivation. John Deere 8400R

Under heavy loads, the 675-liter fuel tank may limit daily output, as the tractor can consume roughly 75 liters per hour, potentially requiring a refill before a full day's work is completed.

An optional dual-pump system provides a massive flow rate of up to 321 L/min (85 gpm), essential for high-demand modern implements. Potential Limitations For a deep dive into the official performance

It features a 9.0L PowerTech PSS engine delivering a rated 400 hp , capable of boosting up to 450 hp with Intelligent Power Management (IPM). It sets high standards for power efficiency, with independent tests showing it transmits roughly 91% of its power directly to the drawbar.

The model is approved for Group 49 rear tires , which provide a larger footprint and better traction to handle its high horsepower without excessive soil compaction. The 8400R is exclusively fitted with the e23

Tractor Test 2172: John Deere 8400R e23 - DigitalCommons@UNL