5-Speed Transmission ID

[DustyRusty]

Guys, a little help here.  What is the ID of the 5-speed in the ad that was supposedly in a '76 1and 1/4 Ton?  Also, don't recall ram's horn exhaust manifolds in '76.

http://anchorage.craigslist.org/pts/4694476127.html

[zieg85]

I remember seeing those in the Chevy School buses in the 70's

[Jason S]

The transmission looks like a New Process 540.

[DustyRusty]

Thanks for the replies, guys.  I then did a Google search for "NP 540 transmission" and found some useful information.  Seems they were used by a numbr of truck mfgrs. and there were 2 versions:  overdrive and nonoverdrive.  Nonoverdrives were sometimes coupled w/ 2-speed axles.

[roundhouse]

Could be a Clark ?

[hatzie]

Looks like an NP540.  http://www.chevyc60.com/transmission_assembly.htm  we had one in a 67 C60 grain truck with a 2 speed axle.
Clarke's top covers looked a little different. 
Those exhaust manifolds look earlier than 1976 but maybe the heavy haulers still used them.


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