8400r: John Deere

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

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. John Deere 8400R

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. Despite its size, the tractor is surprisingly agile