48 also had gas tank in the bed, not in the cab as 49-53 did, so you have no filler neck on the cab for a 48 you have a filler neck on the 53, a 53 also has no side vent, a 48 does
1949 Chevy 3600 Flatbed all orginal 1964 gmc 4000 1973 gmc 6000 2005 chevy duramax 4x4 1994 chevy 1500 Trucks are GM and Tractors are Orange
"I don't measure a man's success by how high he climbs but how high he bounces when he hits bottom." - General George S. Patton
