Specifications include, but are not limited to: 3.1.1. ENGINE: Minimum four (4) or six (6) cylinder, diesel powered, 300 cu. in. minimum displacement. 3.1.2. HORSEPOWER: 85 minimum draw-bar. 3.1.3. HYDRAULICS: Separate high pressure units (circuits) for linkage and remote outlets with dual spools. 3.1.4. CAB: Fully enclosed cab with heater, defrosters and windshield wipers. 3.1.5. LIGHTS: All lights required by FMVSS 108. 3.1.6. WHEELBASE: Not less than 80 inches nor more than 110 inches. 3.1.7. FRONT AXLE: Wide type with front wheels spaced not closer than 48 inches, inside to inside. 3.1.8. REAR WHEELS: Single, no more than 8 feet total width (out/out). 3.1.8.1. Dual rear wheels are not acceptable. 3.1.9. STEERING: Power assisted. 3.1.10. Tractor must be capable of carrying a 10 ft. straight rail frame snowplow. 3.1.11. FUEL TANK: Minimum 20 U.S. gallons capacity. 3.1.12. WEIGHT: Not less than 8,000 pounds.