Fabricated from rolled steel sections or plates and welded together to form a box with suitable stiffening wherever required. End carriage consist two nos. Double flanged solid forged wheels for long travel motion. These wheels are mounted on axle with anti-friction spherical roller bearings. Hoisting mechanism The wheels of each end carriage are driven by independent synchronized drive system mounted near each end carriage. The drive system comprises of crane duty electric motor, gearbox and brake. Platform