I know I'm resurrecting an old thread here, but love these old 140 & 160 IH 4x4's. These are factory built IH 4x4's with Eaton designed axles and Timken T32 transfer case. I can help with lots of info on these trucks. Master cylinder and rear cylinders are pretty common. Front cylinders are almost non-existant, but can certainly be rebuilt and sleeved if necessary. Sleeving isn't cheap. If you need more info, feel free to contact me, or visit binderplanet.com and search for S140, R140, A140 or B140. Btw, I was told that the axles were offset so that a driver approaching an obstacle (think stump or rock) could line it up under his seat and drive right over (assuming it's not too big, of course). The driver train of these trucks share lots of similarities with the IH M3 and M5 trucks from WWII. Some of the military truck restorers have found some replacement front wheel cylinders that work on these. The original cylinders are step bore 1-3/8" x 1-1/8". A good old fashioned brake shop could probably find others. I was talking to someone at Capital Brake (or something similar) out near Sacramento several years ago. He had found a cylinder that had similar mounting, length, etc. and was either 1-1/4" or 1-1/8" on both sides and was confident it would work. Unfortunately, I've lost my notes where I had written the info. If your cylinders aren't pitted, rebuild parts are available.
Check out my site for more info.
I have lots more info on these that I haven't had time to post. Btw, there were 642 of the S140 4x4's built in 1955 & 1956. IH made these trucks from 53 - 60 or 61 with minor equipment changes and body style changes approximately every couple of years. When the R140/160 4x4 was introduced in 53, it was the first factory produced 4x4 of the major brands.
Front axle has 5,000lb rating, rear has 10,000lb rating. IH gave a GVW of either 11,000lb or 13,000lb depending on some other options. Gears are 6.16:1. Rear axle may have a Detroit type locker in it. 4spd trans can be non-synchro (T9) or synchro (T98). If it has a factory front winch or a pto opening on the driver side of the trans, it's a T9 non-synchro.
Let me know if you need any help or more info.
Keep posting pics when you can.
---------- Post added at 09:43 PM ---------- Previous post was at 09:41 PM ----------
Oh, and be careful with those drums, They're nearly impossible to find.
Hi Beth, have you made any progress on the brakes yet? If you haven't don't feel bad, I have not had a chance to tear into mine either. Hopefully this spring, if no other projects manage to get in the way.Now speaking of brakes I just noticed the other day the right front wheel on the 57 looks like its leaking break fluid.