rocketraider Posted January 27, 2013 Share Posted January 27, 2013 Since it's been cold and nasty here the last few days, I've been digging thru some of the literature. Found a January 1955 General Motors Training Center booklet on Hydra-Matic Drive "Supplementary Information for United Motors Service Division", published by GM Detroit Transmission Division.The booklet has info for all HMT applications 1946-55 along with its original owner's handwritten notes. Neat reading.It got me wondering how long Chevy and GMC trucks used Hydra-Matic. Obviously shows the 1954-55 information (along with applications for GMC Coach- yes, the big Diesel buses had them) but what was the last usage of HMT in the light trucks? I've seen 1957 Chevy and GMC with Hydra-Matic badging and I know Chevy was using a beefed up truck PowerGlide by 1962.As an aside, take the lion and gear off the Detroit Transmission crest and it looks suspiciously like the crest on my folks' old 1957 Frigidaire chest freezer. It's still crammed under a shed out at the homeplace and makes a good shelf, but it does take up a lot of room under there (don't ask why they didn't just throw it out when it quit in 1977, my dad never threw anything away). I'd like to take the crest off it for display but taking a freezer apart for access is a little different than taking a car apart! Link to comment Share on other sites More sharing options...
Guest Posted January 27, 2013 Share Posted January 27, 2013 Glenn, Hydramatic ( "D" type ) was used until mid 60's or the introduction of T-400 Hydramatic. Link to comment Share on other sites More sharing options...
misterc9 Posted January 28, 2013 Share Posted January 28, 2013 According to the Hollander Manual, Chevy trucks 1/2-1 1/2 ton used Hydramatic from 54 to 59. Only Powerglide was used 60-65. Both Powerglide and TH400 Hydramatic were used 66-68. The GMC listings were by model series rather than year so I'm not sure about them. Link to comment Share on other sites More sharing options...
Guest danceswithpumps Posted January 30, 2013 Share Posted January 30, 2013 I have my Dad's '57 GMC model 100 he bought new in '57 which came with a Pontiac 347 V8 engine with Hydramatic transmission.Rod van Pelt Link to comment Share on other sites More sharing options...
rocketraider Posted January 30, 2013 Author Share Posted January 30, 2013 Rod, can you post us a pic of your truck's Hydra-Matic emblem? Link to comment Share on other sites More sharing options...
Guest danceswithpumps Posted January 31, 2013 Share Posted January 31, 2013 Hi, Glenn. The pickup is in storage about 30 miles from here but I did find one on the web. Mine looks like this one but is white and red and no chrome.1955-1957 GMC Fender Emblem – Jim Carter Truck PartsHope this helps until I'm able to get a pic of mine.Rod Link to comment Share on other sites More sharing options...
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