AXLE Spring 4200lb. CAPACITY- galvanized,2x2 square tube, 1/4" thick, 92.125" track (hub face to hub face), 81.63" tube length, 72" & 75" spring centers. This axle does not come with hubs or brake assemblies. Please verify all measurements on the drawing before ordering to ensure you are ordering the correct axle. If you have any questions in regards to this print please feel free to e-mail us at customerservice@boattrailerpartssuperstore.com. Please note that due to the size and weight of this package additional UPS charges are applied