Updates include changes to the transmission, operator station improvements, electrical enhancements and a new engine in the 250D and 300D
350D and 400D models are powered by a turbocharged and inter-cooled Mercedes Benz OM501LA, 12-liter V6 engine that has been updated to meet Tier 3 EPA emissions standards
Retarding system works with the transmission retarder to prolong service brake life
250D and 300D models feature a Tier 3-certified John Deere 6090 PowerTech Plus I6 engine with 24 valve cylinder head
Engine displacement has increased from 8.1 to 9 liters
