Features: This machine has an all new updated front drive system. The front drive is much easier to maintain. This is the way we build all the new units. It has two welders at the front and two at the back. The compressor is located at the right rear. The electrical control panel and wiring are all new late last year. Cat D6D Auto–400 S/N 4X02229 equipped as follows: 1 - Front mechanical drive system. 4 - Lincoln DC-400 rectifier welding machines w/ remote controls. 4 - Sets shock mounts for each welder. 1 - Marathon 100kW105o rise Alternator producing 125kVA @ 1800 rpm/60hz / 230/460 volts. 1 - Low frequency automatic shut-off protection. 1 - Quincy 390 air compressor (electric drive) with 49 cfm / 235 psi max and 120 gal air tank. 1 - Hydraulic stiff lead boom with canopy for welding leads 1.5t @ 3.5 meters. 4 - 115 volt electrical outlets with twistlock receptacles. 3 - Bottle rack mounted on front for four bottles.