Make / Model: Machines of similar size, power, and functions as the following: Case 721F, Cat 938H, Doosan 250-5, John Deere 624, Volvo L90, Machines of the next larger size will be acceptable, but not smaller units. IMPORTANT FEATURES: 1. Machine must have Z-Bar type arm configuration or City pre-approved configuration. 2. The machine must have two hydraulic circuits at the ends of the Z-Bar configured boom to operate snow blower and power V-plow. 3. Extended reach arms. 4. Electric Circuit for Model Year: New, used, or demo, and not more than five (5) years old. Cab: Fully enclosed, noise suppression interior, deluxe air ride seat, heater, defrosters front - sides - and rear, wipers front and rear, rear-view mirrors mounted outside cab on both sides.