B-2-B Dodge Posted July 12, 2008 Report Posted July 12, 2008 I just bought a 1950 B-2-B pickup ,the first Dodge I have ever owned. It has a fluid drive transmission also a 'First"for me, the truck will not hold in gear if the engine is not running, I do not trust the parking brake to hold. Is this normal for this trans.? I am sure this will be the first of many questions I have. Thanks William Quote
greg g Posted July 12, 2008 Report Posted July 12, 2008 Yep that is why you see so many pics of dodges for sale with a block under a wheel. There is no mechanical connection between the engine and transmission when the engine is not running. Makes a properly working parking brake a necessity. The transmission is a standard three speed (unless its a Truck O Matic) with a standard clutch ad pressure plate. The difference is that the flywheel is driven through the fluid medium ranther thant he crankshaft. So you can drive the truck by placing it in a forward gear and using the gas and brake pedal. The truck will idle afaist the fluid drive while in gear. Or you can drive it like a regular three speed and it will react like a regular three speed. The fluid drive is basically just two impellers (no torque multiplication) turning in 10 wt hydraulic fluid one spins with the crank, and the other spins throug the hydraulic force of the fluid. Great for teaching some one to drive a standard. just side step the clutch and drive off. Quote
Phil Martin Posted July 12, 2008 Report Posted July 12, 2008 My dodge is gyromatic. It only has two gears but will shift up in both. Quote
PatS.... Posted July 12, 2008 Report Posted July 12, 2008 That would be the M6 semi-automatic transmission Quote
mackster Posted July 12, 2008 Report Posted July 12, 2008 That would be the M6 semi-automatic transmission I have an M-6 transmission on my desoto. I can get it to all the gears by hand and it works, however there are two arms on the transmission I only have the shifter to one and all works...Does any one know what the other arm on the tranny is for??? It is spring loaded, seems like a clutch type thing ....... Quote
Merle Coggins Posted July 14, 2008 Report Posted July 14, 2008 The M6 was first used in the trucks in '53 as the Truck-O-Matic. Welcome William. You are correct, you can't park with the trans in gear and expect the truck not to roll if on a grade. I have a B-2-C with Fluid Drive and a 4 speed. I got the parking brake cable freed up and working. I've found that that brake actually holds quite well, even on hills. Merle Quote
Dodgeb4ya Posted July 14, 2008 Report Posted July 14, 2008 One lever on the M6 is for high and low range, the spring loaded lever when pulled back will let the other lever shift into reverse. Bob Quote
mackster Posted July 14, 2008 Report Posted July 14, 2008 One lever on the M6 is for high and low range, the spring loaded lever when pulled back will let the other lever shift into reverse. Bob Thanks for the info..I am then going to rig up a cable to manually pull it forward to put it in reverse. thanks Mackster. Quote
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