Specifications include, but are not limited to: 23.1.GENERAL: 23.1.1. It is the intent of this specification to describe the state of New Hampshire Department of Transportation Bureau of Turnpikes requirements for a diesel engine, 4 wheel drive, 44 horsepower (minimum) tractor with a finish cut, midmount mower deck 23.2.WHEEL BASE: 23.2.1. 68 inches (minimum) 23.3.ENGINE: 23.3.1. Horsepower: Minimum 44 horsepower gross and 33 PTO HP at rated engine RPM 23.3.2. Emissions: Tier 4 final 23.3.3. Air Cleaner: Dual element dry type 23.3.4. Fuel Capacity: Minimum 12 gallons 23.3.5. Throttle Control: Hand and foot operable or hand throttle control and foot pedal hydro 23.3.6. Engine Stop Control: Electric and controlled by ignition key 23.3.7. Battery: Heavy duty 12 Volt battery 23.4.TRANSMISSION: 23.4.1. Hydrostatic 23.5.PTO: 23.5.1. Rear @ 540 RPM with flip up PTO safety shield