wesmangum@aol.com Posted November 22, 2019 Report Share Posted November 22, 2019 Hi, I just bought a 1947 1/2 ton Dodge truck. A different Chrysler flat head 6 and manual transmission was installed to increase horse power from what was in it initially. I am trying to identify the transmission casting date of 9/9/54 case number C-89988, if reading it correctly. Below those numbers is a large embossed letter "H". All of these numbers etc. are on top of the transmission case. I attached a photo. I appreciate the knowledge someone may have in identifying this transmission. Thanks in advance. Wes Quote Link to comment Share on other sites More sharing options...
Cordell Posted November 22, 2019 Report Share Posted November 22, 2019 I we’ll take a stab at it “new proses 420” 4 speed the best way to tell is take a pic of bottom from the side it’s all about the drain plug angles Quote Link to comment Share on other sites More sharing options...
wesmangum@aol.com Posted November 23, 2019 Author Report Share Posted November 23, 2019 Cordell thanks for responding I will check tomorrow morning and send ya a photo. Quote Link to comment Share on other sites More sharing options...
wesmangum@aol.com Posted November 23, 2019 Author Report Share Posted November 23, 2019 Cordell Attached are three photos. I found a casing number on the side along with a drain hole plug location. Quote Link to comment Share on other sites More sharing options...
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