ON ORDER. THIS EVERYTHING YOU NEED AND THEN SOME IN 40'. YES, CAN FIT FULL SIZED QUAD, MULE, AND WING CAR WITH ROOM TO SPARE (YES WE HAVE TRIED) 2 AC UNITS AND POWERED ROOFVENT. THIS HAS DOUBLE REAR DOORS WITH WINDOWS AND DAY/NIGHT SHADES, ALUMINUM FLOOR, ALUMINUM RAMP. 50" LIGHTBAR, C TECH DRAWER INSERT IN FRONT BASE CABINET THAT CAN ALSO HOLD A SPARE ENGINE. THIS TRAILER HAS CABINETS THAT WILL HOLD SHOCK DYNO, 2 FRONT AXLES AND 1 REAR, STEERING BOX, RADIATOR, T BARS, RADIUS RODS, FUEL JUGS, SHOCKS, HELMETS, SETUP BOOKS, T-SHIRTS, ALL CHEMICALS, SPARE PARTS AND STILL HAVE LEFT OVER CABINET STORAGE. HOLDS 3 NOSE WINGS, 2 TOP WINGS, COMES WITH WHEEL BALANCER AND TIRE GROOVING CABINET. TV WITH ANTENNA, GENERATOR PREPPED FOR HONDA 7K, PREPPED FOR AIR COMPRESSOR IN CABINET, TROLLY WITH 2 WINCHES TO PULL ENGINE OR SPARE CAR, LADDER IS OBSERVATION DECK RAILING, HYDRAULIC LANDING JACK, ROOM FOR KIT CAR IN LOFT, 3 TIRE RACKS 1 WHEEL RACK. CTECH FLIP UP WORK BENCH. RUBBER COIN COUNTER TOP. 2 DEEP CYCLE BATTERIES.