1949 Wraith Posted July 31, 2020 Report Share Posted July 31, 2020 I am doing the brakes on my '42. For the wheel cylinders I can find listings for the '46 and '47 model years, but I have not found listings for the pre war trucks. 1946 listings, CENTRIC 13467022 for the left sides and CENTRIC 13467021 for the right sides Were there changes to brakes from 1942 to '46? I think both were stepped 1 1/4 and 1 3/8 bores. I am concerned if the 1.75 centers mounts in '42 went to 2.00 centers in '46? Does anyone have a parts list for wheel cylinders and backing plates than include the model years of '42 and '46 to see if they changed? Thank you for your assistance. Quote Link to comment Share on other sites More sharing options...
Young Ed Posted July 31, 2020 Report Share Posted July 31, 2020 Remind me next week if no one else chimes in. I've got books that should show it but I'm aware for the weekend Quote Link to comment Share on other sites More sharing options...
1949 Wraith Posted July 31, 2020 Author Report Share Posted July 31, 2020 Thanks Ed. My present cylinders are 1 3\8" both sides (maybe not original). I am hoping the later models are the stepped units the same mount size. Quote Link to comment Share on other sites More sharing options...
Dozerman51 Posted July 31, 2020 Report Share Posted July 31, 2020 For the American built T-112 1/2 ton WC the numbers are Front: Right side-579590, left side-579591 same numbers are shown for the rear cylinders. Quote Link to comment Share on other sites More sharing options...
1949 Wraith Posted August 1, 2020 Author Report Share Posted August 1, 2020 17 hours ago, Dozerman51 said: For the American built T-112 1/2 ton WC the numbers are Front: Right side-579590, left side-579591 same numbers are shown for the rear cylinders. Dozerman, Thank you for the reply. Do those numbers carry on to the 1946 model year? I am mainly concerned that the wheel cylinder mounting holes, on the 1946 model years, stay at 1.75" centers to fit the 1942 backing plates. Since the shoes are the 10" everything else should fit. Quote Link to comment Share on other sites More sharing options...
Dozerman51 Posted August 2, 2020 Report Share Posted August 2, 2020 According to a parts manual found at the 39-47 Dodge groups forum they do. Just to be sure, go and check that forum and the parts manual. Good luck with your truck. Quote Link to comment Share on other sites More sharing options...
1949 Wraith Posted August 2, 2020 Author Report Share Posted August 2, 2020 9 hours ago, Dozerman51 said: According to a parts manual found at the 39-47 Dodge groups forum they do. Just to be sure, go and check that forum and the parts manual. Good luck with your truck. Dozerman, I had not come across the 39-47 Dodge Group before. I applied to join this morning. Thank you for your suggestions I have been looking for a parts book for this era of truck. Quote Link to comment Share on other sites More sharing options...
1949 Wraith Posted August 4, 2020 Author Report Share Posted August 4, 2020 Anyone know if the '46-47 half tons have 1.75" centers for the wheel cylinder backing plate bolt mounts? Quote Link to comment Share on other sites More sharing options...
1949 Wraith Posted August 21, 2020 Author Report Share Posted August 21, 2020 Bought the Centric wheel cylinders from Rock Auto all 4 for around $60. Stepped pistons, 1.75" bolt centers. Installed and function properly on my '42. Centric list the units as '46-47 WC only but original parts list state that the 41-47 WC were the same part numbers, this would seem correct. 1 Quote Link to comment Share on other sites More sharing options...
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