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Jul 21st, 2025 | | | | Joined: Jun 2018 Posts: 32 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2018 Posts: 32 | Hi all, I’ve recenty acquired a 1948 GMC 300 and it has two factory e brake handles side by side. Any ideas as to why there might be two? It is an old Gin Pole lift truck with a pto driven winch.
Thanks in advance!
Logan
2010 Silverado 2500HD
1947 GMC 300
| | | | | Joined: Dec 2015 Posts: 2,061 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,061 | Hi Logan, welcome to the site. I can't answer your question but I'm sure someone more familiar with that era of trucks will chime in shortly! | | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | It sounds like the handles might be for PTO engage and brake. Have you tried to follow the linkeage?
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.
| | | | | Joined: Mar 2012 Posts: 24 'Bolter | | 'Bolter Joined: Mar 2012 Posts: 24 | I agree with Ed. On my 1948 GMC 1.5 ton, there is one lever just to the right of the shift lever, it is the e/parking brake lever, it has a release handle. To the left of the shift lever, and further back toward the seat, there are 2 levers on one pivot, one engages the PTO, the other engages the dump. Yours may have one lever on that pivot to engage the PTO. As suggested above, follow the linkages and let us know what you find!
1948 GMC 1.5 ton Dump Truck
| | | | | Joined: Jun 2018 Posts: 32 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2018 Posts: 32 | thanks guys i will keep you posted!
Logan
2010 Silverado 2500HD
1947 GMC 300
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