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I had a set of cast axles combined with Neway airride using steel adapters bolted to the spots you normally fit caps for spring end rubber bushings. 1988 R-model. Unfortunately it didn't come to me as a truck just sets of axles and a gearbox. The adapters were welded of thick (7/8" or so) steel plates cut off a sheet. But looked like factory parts way not a home made stuff. They were used to attach the equalizer levers to the axle housings.

Larry, you likely have the 150BMP series I linked the draw above. That is what I have also, very robust. I-R still lists them in their catalog, but everything is going turbine now. Motor segments are aluminum, drive nose is iron. rear housing/cover looks slightly different then the more modern ones, but that is it. May be they updated the rear housing. Other than that it looks like a 150 of today.

Yeah, that is an obsolete model. You will not find "kits" for it but you may find vanes that are the same that could be used. As others have said, be careful when dis assembling to mark orientation of the segments as you disassemble. Gaskets can be made and they don't have to be 100% air tight. It only sees air when starting and a minor leak isn't going to be missed with the volume of air that thing uses. Try and get the gasket thickness the same as what you remove. If you look at the drawing I linked the vanes are listed as 10BM-42 which may mean they are a hold-over from the old BM series, you'd have to take a gamble and check. Other parts in the drawing start with 150BMP-xxx and are likely 150 parts only. I believe that model uses an "inertia engaged" type starter drive, so clean the drive end of all the muck so the drive will slide out easily. Good luck. I think it will "live again".

Now I don't complain about "mine" ;; more like expressing a thought.!!!LOL

It's never tooo late ; they make plenty of models of the Mack. buy one for the Mrs. might give her a better understanding of the skill AND quite needed to built one.

Brocky, many thanks for posting the entire story of the trip. I saw the photos you posted in the past but don't remember reading the routes. Such a journey is still a desirable project for me. But looks of notably more efforts consuming deal than an avarage holiday trip.

Ok, I'm here. Mine is an IR but has no tag. All alum housing with cast pinion drive. Appears to be different then yours. Mine has four bolts around perimeter that allows the end bells to be removed. I didn't have new gaskets and friend said use "pop can cartons", so I cut them out and it works fine. You need to get some diesel fuel or air tool oil and get the vanes loosened up. Wash it all out and get it reassembled. I purchased an oiler for mine as after a couple years the vanes started sticking. Oiler takes a squirt of fuel from your return line and gets it injected into motor to lube the vanes(just like you do to an air tool). Been about 8 yrs without a failure. Oiler is that small round part on left side. Oily sumbitch from that leaky 237, needs cleaned up before putting back on the 300 motor.

Thanks for all ur help guys I will give this a shot as soon as everything warms up.

I'll see what I can find, I vest rattle my dags and get my shit together, less than 8 weeks Paul

Or as mentioned above by these other blokes Paul

If it hasn't started in a long time, pull the starter apart and make sure the vanes are well lubed up and slide freely You need to take note of how each segment is clocked, generally done with a center punch mark to each part in a straight line If it is assembled wrong the starter can go backwards Once everything is sliding loosely and easily and covered in lots of diesel Reassemble and try again If your still not going, rebuild kits are available from Mack in Australia, so should be easy enough to get in the U.S. Or try Ingersoll rand Or there's a place in Australia you can buy change over fully reco air starters from Paul

And don’t worry Mecho that’s all the more time I’ll spend on detailing the parts that show … now I’m kind of sorry I painted over so much chrome starting to have a change of heart on that now that it’s too late, but I wanted it to look more like work than show

It might have been on JOT or even ATHS.

Mmmm... Do you have more than one wife?

I don’t remember him mentioning anything about the starter, but I do remember when he was russling up parts. I’m sure he will chime in he’s probably working now.

didn't Larry @Freightrain have BM series? I don't know if he found parts for it or replaced it or just got it working. I remember (may be falsely) that it what he had. It pre-dates the BMP 150 series, and was replaced by it.

I think that guy in the middle is an Amazon Prime driver.

Ooooooooooooo yeah and where the hell were they when they sent all our union plant jobs to China?????

Yeah, plus you can a lot of times wind up, pulling it apart and soaking the armature and veins and clean up. The housing might be able to save us few bucks as Geoff mentioned. there’s plenty of parts out there. Good luck and have a ball with it. Bob

She reads that, you'll never see again to confirm it.

Mrs mower aka pita has been around here past month quite a bit between holidays and burning up paid days off before completely retiring end of this week oh good now o will inherit a full time prison guard, and I really can’t do anything with her here throws off all my concentration … she’s talking about bunch of volunteering… hopefully happens… I can’t get much done with here here no I know how you feel and why you are always complaining about yours Mecho lol

...And I've believed every thing you've ever said before, up until right now 🤣 😂 😅

Here is a breakdown of the I-R vane motor that is common. There are other mfg and other models that are obsolete. Knowing what you have is important. If you have the older BM series you might not be able to get parts, but that doesn't mean you can't get it working if you are careful.

If you don't know or can't find a tag, take a picture of it.