For Sale SM420 with adapter plate (1 Viewer)

Cruiserdrew

On the way there
SILVER Star
Joined
Mar 15, 2003
Messages
15,909
Location
Sacramento, CA
Interesting SM420 with 1.5 inch adapter plate. I believe this to be a 1962 SM420.

It has a long output shaft that tranny guru Georg says was a custom main shaft that used to be available for this transmission. It's the first one I've heard about.

Transmission is known good, has the desirable oil seal in the front bearing retainer.

Anyway with the adapter and the hardware, it's all set for a case swap. The 7:1 low gear by itself will turn an ok FJ40 into a killer 4wheeler.

SM420 and adapter: $200. Pick up in Sacramento. Good "3" speed case available with it for $150.

If you have questions about the main shaft, I don't know. The old school guys like @pardion or @orangefj45 or Mark at Marks off-road may know.

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Last edited:
Joined
Dec 5, 2006
Messages
26
Location
Leucadia, CA
interested, I am in San Diego, so would have to find time to come up. I have a sm420 I was gonn ahave rebuilt and find an adapter, no idea what else I need to drop it into my 74 fj40 with stock f engine. If you have any of the other parts I would interested in those too
 

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