Specifications include, but are not limited to: The Virginia Department of Transportation (herein referred to as “VDOT”) is soliciting sealed bids from qualified firms to provide Tractors with Boom or Flail Mowers for the purpose of mowing highway right of way, throughout the Commonwealth of Virginia. Tractor Mower, Non-Extension Right Side Flail Mower, 85 Power Takeoff (PTO) HP, 4 Wheel Drive (WD), Cab Tractor a. Weight and Wheelbase 1. The basic 4WD tractor with cab shall weigh a minimum 8,100 lbs. 2. No counterweight, cast-iron wheels or hydro inflation may be used to increase the tractor weight. 3. Wheelbase shall be at least 89.0 inches 4. No wheelbase extensions or modifications may be used. b. Engine 1. The tractor shall be powered by a diesel engine rated at not less than 85 PTO horsepower having at least 270 cubic inch displacement. 2. Engine shall meet all State and Federal engine emission requirements in affect for this class of equipment for the model year purchased. 3. Engine shall be equipped with air filter, oil filter, fuel filter, governor, electric starter, alternator/generator, battery, muffler and cold weather starting aid. 4. Engine coolant shall be factory fill extended life coolant mixed approximately 50-50 with deionized water to provide freeze protection of -34º F or lower. Antifreeze shall be compatible with Mobil Delvac Extended Life 50/50. 5. If exhaust is vertical, a rain cap or deflector elbow shall be furnished. c. Transmission 1. Transmission shall be synchronized for gear changes with not less than 12 forward and 4 reverse speeds and shall have a forward- reverse power shuttle. 2. Clutch shall be hydraulic multiple wet disc type. d. Brakes 1. Tractor shall be equipped with hydraulically operated “wet” disc brakes, independently operated, acting on rear wheels.