Deere 8400r — John

Despite its size, the tractor is surprisingly agile in smaller fields, aided by ActiveCommand Steering (ACS) which allows for quick headland turns with only 3.5 turns lock-to-lock. Field Capabilities

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. John Deere 8400R

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 Despite its size, the tractor is surprisingly agile

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. Potential Limitations It is equipped with a Category

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.

A comprehensive look at the can be found in the Farmers Weekly review , which evaluates its performance as the most powerful standard tractor ever made at the Waterloo factory. Key Performance Highlights