Used National 18103 Standard Features: 40 Ton capacity, rear mount, Enclosed cab, 3-section proportional boom – 103’, Out & Down Front Outriggers & Stabilizers, Front Bumper Stabilizer, Main & Auxiliary Planetary Hoist w/ Grooved Drums, Boom Rest, 3-Sheave Boom Tip, PAT DS160 Load Moment Indicator, Hard-Wired A2B w/ Audible Alarm, National 981821 Winch with 5/8” Rotation Resistant Rope, and Auxiliary National 981821 Winch with Rooster Sheave and 5/8” Rotation Resistant Rope. TRUCK: 2006 Peterbilt 378 Chassis with Tag Axle, Cummins ISX 475HP, with engine brake, Eaton Fuller 8LL Transmission, Double Frame, Peterbilt Air Suspension, AM/FM, GVWR: 70,740, 18,000 lb Front Axle, 40,000 lb Rear with Differential Locks, and 12,000 lb Tag Axle, Nonsteerable.