Jim, thanks for the good explanation. I have an Auto Crane on the bed I plan on putting on my 630 with 5333A trans, have not been able to find a PTO for It so might go with electric like you did. Do you have the specs on the motor you used, and any px of your setup?

Thanks,

Ed

'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.