In the 46 era they must have had manual or vacum shifting. From the owners manual the manual linkage said you use the clutch but on the decal showing the vacum switch it says don't declutch. Are the vacum shifting valves only on COE's?

Last edited by Chris's 46 / 515; 10/19/2011 12:36 AM.
1946 C.O.E. with a Holmes Traffic King Wrecker