Special Ops Tools gets that tires are not a "one size fits all" situation and neither are air compressors. We have the M1A1 for cars, SUVs and light trucks, that powers from a cigarette lighter. The M240 is for larger tires, Jeeps and trucks, powered by a vehicle's battery. The MV89G is too powerful even for an ammo can and is designed for 35" or larger tires and powers from a vehicle's battery