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FWIW, The original pumps are still available new. I know, I bought one from the company that still makes them for my M35 when I had it. Can't remember the company's name off the top of my head. Someone may remember quicker than I.

You need to displace enough oxygen to prevent the fuel (be it diesel or oil) from igniting, or at least enough that the weak ignition isn't enough to keep the engine spinning at high rpm.

This also affects farmers such as myself. Having an MV on the farm has been about is important as having a tractor. If the tractor gets stuck in deep mud (happened twice this winter), a pickup won't pull it out.

I have already written my letters to my congressman and senators pointing out why having MVs available to the public is a good thing, and why this deal between the EPA and the DoD is a bad thing. I encourage everyone else to do the same. Form letters do not carry nearly as much weight as...

You are correct. Break the jam-nut loose first, then loosen the flathead screw to increase idle speed. Tighten the nut back down when done.

I'm also too far away to be of help, but I second the Tractor Supply suggestion. They will almost definitely have a 5K axle assembly in stock.

It should also be mentioned that the bridge truck setup was never designed to work with the CTIS, and it is unlikely that it could be adapted to do so.

Yes, unless you can find some 12.00r20 tires which are a little taller.

Have you checked to make sure that the pump is timed to the engine correctly? Late timing can cause high EGTs and low power.

Something else to consider is making sure that the throttle lever on the pump is being run all the way forward by the throttle pedal. On mine, the small spring on the pump lever was fighting the spring on the throttle rod preventing full-throttle operation. I removed the small spring and put a...

Welcome from C'burg!

The answer on keeping the CTIS is "are you going to use it?" If you bought the truck just for cruising around town, its better to take it off. If you air down/ up frequently, it may be worth repairing the system. To be frank, the system isn't that complex but is a bit fickle about...

Mine leaks as well, but all the time. I'm going to get one from a vendor here and take my leaking one out to see if I can get a COTS rebuild kit for it.

As much as I hate to admit it, this is the most sound advice. If you don't have a use for the CTIS on a regular basis, it isn't worth trying to maintain the system.

CCW tightens the spring inside the governor, increasing the cut-out/ cut-in pressure. You have that right. You may want to search through some of the recent threads on the M939's CTIS system. Lots of good information to be found.

This. I sorta cheat and use 19" dia. x 1/4" thick o-rings from mcmaster in both M35A3 and 5T combat wheels. A few minutes with a wire wheel on a drill to clean the seating surface on the wheel and outer ring makes them seal just fine. You can use a small bit of silicone for insurance, but I...

Yes. I think so but the hub seal may work in both directions, that is both keeping air out of the axle and oil out of the CTIS bits. Someone with more knowledge about how the M35A3's axles are assembled will have to chime in here. The reason you can manually inflate the tires is because when...

If its blowing oil out of the breather (the silver part pictured), you have a dead inner hub-seal.

Finished re-installing the CTIS last weekend, and will be changing one of the check valves in the air system tomorrow night that isn't functioning. The rear ABS valve is leaking, so I need to do some research to see if they can be rebuilt.

edit: nvm, forgot that tractors are different than cargo trucks.