Specifications include, but are not limited to: ENGINE: Diesel, liquid cooled, minimum 120 PTO HP, 6-cylinder, w/minimum of 400 CID, Tier IV Final Compliant. Must have Electronic Engine Control or equivalent. ENGINE AIR CLEANER: Dry type with safety element and air pre-cleaner. To include air restriction indicator. VERTICAL EXHAUST. TRANSMISSION: (Option A) Full Powershift or Autoshift, with automatic shifting feature based on load, shift on-the-go capability. 18 spds. forward / 6 spds. reverse with Creeper Option or 20 spds. forward / 20 spds. reverse (no Creeper Option). Must be capable of clutchless shuttle shifting with left hand forward/reverse shuttle control lever and capable of traveling 0.5 mph or less in the lowest gear at top engine/PTO operating speeds. To be equipped with factory installed transmission heater. (Option B) Semi Powershift or Semi Autoshift, shift on the go capability. 16 spds. forward / 16 spds. reverse with Creeper Option. Must be capable of clutchless shuttle shifting with left hand forward/reverse shuttle control lever and capable of traveling 0.5 mph or less in the lowest gear at top engine/PTO operating speeds. To be equipped with factory installed transmission heater. CLUTCH: Heavy duty, multiple wet disc.