Posted by Tim Holloway [184.108.40.206] on Monday, May 13, 2019 at 20:48:01 :
In Reply to: transmissions posted by Howard [220.127.116.11] on Monday, May 13, 2019 at 18:25:16 :
A 57 truck would have the NP420 transmission, which has the bevel gears, not the straight cut gears. An M37 transmission will not bolt up to an NP 420 bellhousing but it would bolt up to an earlier straight cut transmission bellhousing.
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