Specifications include, but are not limited to: ENGINE: Diesel, liquid cooled, minimum 70 PTO HP, 4 cylinder turbocharged, Tier IV compliant. ENGINE AIR CLEANER: Dry type with safety element and air pre-cleaner. To include air restriction indicator. VERTICAL EXHAUST. TRANSMISSION: Semi Powershift or Semi Autoshift, as a minimum, with shift on-the-go capability. Transmission choices shall be limited to no less than 12 speeds forward /12 reverse. CLUTCH: Heavy duty, multiple wet disc. REAR AXLE: Planetary final drive with on-the-go differential lock. Flange axle, with single, multi-position, steel rear wheels, 16.9R30 or 18.4R30 - 8 ply or equivalent rated agricultural radial ply tires (minimum). WIDTH: Wheel to wheel outside width maximum of 80 inches. LENGTH: Front pin to hitch/drawbar length maximum of 163 inches.