This is a 3406B model CAT, 18 speed, 48” sleeper, 322” wheel base, with 73,925 on an in-frame. I have full parts list of motor work done by local shop in Bismarck, ND when I purchased the truck. Chassis has 1,132,172 on odometer. Newer PDI turbo, clutch, trans, compressor, American Racing wheels. I have all shop invoices of other major work done to truck upon request, too much to list. Exterior and interior in excellent shape. Reason for selling, getting out of the trucking business. Please call for more info, this is a sweet flat top.