Well, I found what I need to reach far into the gearbox to engage the PTO gear to drive my PTO box. It takes an idler gear in between, Chelsea PN 328530-1x. They also are used on some Mack trans.' The distance from PTO mounting surface to root of trans. drive gear is 3.285"
'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.
