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New Tractor protection valve replacement is a Midland KN34110 part number.

Your buddy at Truck pro is wrong. The reason wedge brakes were used is at that time they were the only air brakes that WERE self adjusting. Auto slack adjusters are just now " last 5 years" actually reliable. The brakes on these trucks are wedge brakes. One of the guys at the local Truck Pro...

http://www.axletech.com/resources/service_manuals/pdf/MM_4R.pdf Blow by blow of how wedge air brakes work.

Here is the Wabco site with all the part numbers for each of the valves and a picture of each. http://www.meritorwabco.com/MeritorWABCO_document/pb9926.pdf

Strange as that is a valve found almost always on a trailer or a tractor with a hand brake?

Im hunting " as we speak" a air diagram to figure out how the parking brakes work as it does not have spring chambers. i think a chamber may be bypassing.

When i hold the foot brake down i get two air leaks. One in a valve that vents on the rear right side and the other vents out of the front blue glad hand. the blue glad hand has a vent on it and dumps the air tanks fast. the front blue glad hand has a vent on it which seems strange to me.

Hmmmm this may take care of my car storage problem.. just hang them on a rack till ya want one down.

And they said taking the top off was over rated...

HHhhhhmmm spec ops hunting wagon?

In the CAT service guide if the coolant has been contaminated in any way it is recommended to pull the thermostats out run a mixture of water and Cascade dishwasher powder. one cup full per 10 gals of coolant. let it get good and drain , fill with water run,drain then fill with CAT antifreeze...

Ditto...

Really? Im shocked they get that good of mileage. Auto trans transfer case parasitic loss at bot front and rear diffs 2 to 1 at the hubs and last but not least massive rotational loss turning those heavy off road tires and two piece wheels.. a class 8 has a trans and one diff " which turns...

here is the GOV link. http://www.govplanet.com/jsp/s/item/761588

Bahahahah a pressure washer is on the job as we speak to get all the warm fuzzys off.

Almost the all of the cab on the outside is covered in it.

OOOhhh nice . So, where did you source it from and the compressor brackets? mine is duel v belt . not real happy about that. But, i will make it work.. Holy cow that is a big generator. Why a generator and not an alternator?

Ok ok i will shoot some.. Q, why is there Velcro all over the cab? and ****, it shifts hard...

Ive been all over it thus far and have not found many problems yet. cits control was removed, no spare " but i knew that",the drivers door will not unlock , and there are a butt loads of "what im guessing " are cables for a radio . A BIG radio.

HA! midnight i got the call. " hey where do you want this thing?" After a midnight unload and a 9 mile drive to my house " with no headlights" because the transport got lost and my headlights dont work.... I AM ONE OF YOU NOW.... =)