John Deere 8400r May 2026
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.
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. John Deere 8400R
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. Under heavy loads, the 675-liter fuel tank may
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 The model is approved for Group 49 rear
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 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.