| Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | I think that stands for truck, mine started with T, I.e. T-18, T-12, T-36 etc. The number (145) might be 14.5 which is a truck size number, as in T-12, etc.
Ed
Last edited by EdPruss; 03/19/2019 11:09 AM.
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires. '47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle. '54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed. '55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
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