it should bolt on the cabs are pretty much the same but i believe the mounted a little different in 47/48 than the 49/50/51/52/53's, but i know for a fact the 49-53 are all the same. i have always been told that cutting your frame is real bad, no matter if a professional does it

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