Turbo 400 info need

[70LS6454]

I have a Turbo 400 Trans that I was told came out of a van. The case has up close to the bell housing area has HD 44 on it, It also has a bolt in yoke. Are these Heavy Duty? And are they any better than a regular Turbo 400 Trans? Worth holding onto?

Thanks,
Ray

[Chevy454]

You'll see bolt in yokes in the heavier chassis applications, like duallies, box vans, school buses, etc...some of the heavier stuff used straight cut planetaries, which save a bit of drag but are a tad noisier, and to have these gears it had to have a bolt on yoke. Otherwise though a 400 is pretty much a 400...

[70LS6454]

Thanks for the info Rob.

Ray

[bevan]

I had a 79 Chevy Sport swb truck that came with a tubo 400 with a bolt on yoke with a 250 six.

[Jack_Tar]

I got a th400 with a bolt in yoke also. It came from a 1990 3/4 ton utility truck.