Hard unit to find, full lockers with Allison RDS (PTO compatible) transmission. The Chassis is in great shape will all the options. Full locking rear ends and geared to pull. 20,000 lb front end and a 40,000 rear end with a 13,200 steerable pusher. For more information please call or text Clint Hilker at 402,340,4929.engine type: ISL