591195 indicates it's a 41-47 transmission.
Verified by the 29-54 parts catalog listing.
Attachments
Transmission casting number.jpg (66.2 KB, 52 downloads)
41-17 TRANSMISSION CASTING NUMBER

Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.