Bwhitt80 Posted December 5, 2019 Share Posted December 5, 2019 I am looking at purchasing a 1952 C45DT municiple bus coach conversion. It has a 673 diesel. Not sure if it is a open chamber Thermodyne or early style French design as it is a 1952 and I haven't seen it in person. I do know it has the Spicer 184 2 speed trans. From what I have been able to find, it has a 5.74 rear gear. I would like to try and find a 3.50 or 3.87 gearset for it, but I don't even begin to know what axle is even in it, so searching parts is kind of futile. Just looking for some insight... Any help is appreciated. Quote Link to comment https://www.bigmacktrucks.com/topic/60060-1952-c45dt-rear-drive-axle/ Share on other sites More sharing options...
HeavyGunner Posted December 5, 2019 Share Posted December 5, 2019 Are you sure 3.50’s wouldn’t be way too tall for a small diesel with a 2 speed trans? I am not a mechanic but that sounds like a real big jump t me. I’m curious what you find out. Keep us posted on your progress. Very cool bus. Quote The problems we face today exist because the people who work for a living are outnumbered by the people who vote for a living.The government can only "give" someone what they first take from another. Link to comment https://www.bigmacktrucks.com/topic/60060-1952-c45dt-rear-drive-axle/#findComment-437371 Share on other sites More sharing options...
Quickfarms Posted December 5, 2019 Share Posted December 5, 2019 This does not sound like it will work wellA 3.90 would probably work if you also installed a 4 speed allison in there.This was designed as a city bus and not a highway bus Quote Link to comment https://www.bigmacktrucks.com/topic/60060-1952-c45dt-rear-drive-axle/#findComment-437389 Share on other sites More sharing options...
kscarbel2 Posted December 6, 2019 Share Posted December 6, 2019 No parts to change your rear axle ratio are available. Quote Link to comment https://www.bigmacktrucks.com/topic/60060-1952-c45dt-rear-drive-axle/#findComment-437399 Share on other sites More sharing options...
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