2007 National 18103, mounted on a 2007 Kenworth T800H. Boom length 103', with a 31-55' jib. AC and heat in both upper and lower cabs. Skylight glass has ceramic tint. Powered by a 500 horse, 1850 ft lb torque ISX Cummins. Inter axle, and front axle lock. 18 Speed Transmission. Bluetooth Stereo. 2 Rigging boxes. Dual 75 gallon fuel tanks. Tires about 75%. Upgraded unit. Still in service.