Bought for my 2005 Dodge 2500 I separated the compressor from the tank to mount under the truck in the frame rail. Very happy with the amount of air it holds, works great for an exhaust brake, I wouldn't recommend it for inflating large, low pressure tyres, get a much larger volume pump. But great for exhaust brake, horn, top up tire pressure. If you want to disconnect the pump from the tank, some of the fittings on the tank will need to be replaced and capped.