GMC CCKW 6X trucks GMC CCKWs GMC CCKW-52 2.5-ton CCKW truck GMC CCKW http://en.wikipedia.org/wiki/GMC_CCKW CCKW deuce and a half GMC CCKWs GMC GMC CCKW http://en.wikipedia.org/wiki/GMC_CCKW CCKW GMC CCKW GMC GMC CCKW Wikipedia CCKW Historical summary courtesy of Wikipedia GMC CCKW 352 GMC 2 1/2 ton truck CCKW 352 GMC 2 1/2 ton truck GMC GMC CCKW 353 GMC CCKW CCKW 353 CCKW GMC CCKW GMC CCKW 352 GMC 352 GMC CCKW CCKW 352 CCKW GMC CCKWs CCKW 353 GMC CCKW 352 GMC CCKW