Aluminum Frame, Air Ride Suspension, Aluminum Wheels, 11R24.5 Tires, Aluminum Tank, TC407 Code, 0 ft, Lead Trailer Length, 24700 kg Pup GVWR, Aluminum Frame Pup, Air Ride Suspension Pup, Sliding Tandems on Pup *THIS LOT SOLD WITH: 2009 - COLUMBIA SUPER B-TRAIN PUP TANK TRAILER s/n: 2C9LAA3R191026016;