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So, I had some more seat time in my M925A2 w/o ABS recently. I drove it for around 10 miles on dry and wet pavement. I was way out in the boonies and there was nothing around except farmland so it seemed like a good time to check the brakes. I was cruising around 50-55 mph and executed some...

Well, since we got the bedsides and tailgate mounted on Sunday, I should be able to do some testing soon. I will try it on hard packed dirt/gravel first and then try the pavement.

I got my bedsides and tailgate on today. I will repeat the test next weekend and see what happens. I will make sure I do it in a straight stretch so I don't end up in John's field!

Well, my Haldex Info Centre for the M939 ABS systems showed up yesterday. Now, I just need the ABS :-P I am anxious to try out the Info Centre to see how it works. My M923A2 would kick on the ABS light every once in a while to indicate a fault. It would have been nice to have this thing to...

My experience is not unique. There are hundreds of reported cases of brake lock-up and engine stalls documented in these non-ABS trucks, with a good percentage ending up in vehicle damage, injuries or fatalities. I mentioned earlier and Bruce just mentioned again that there is a much higher...

Chuck, the effective date was November, 1999 and it was due to be completed by November, 2006 so the MWO did not exist until after your experience. The brake lock-up leading to accidents was experienced on-road the majority of the time and on wet pavement and lightly loaded condition in an even...

I don't want an aftermarket kit. I will be looking for the complete ABS MWO kit. It has a sensor on the left rear hub to detect lock-up. The rear-rear and the front-rear axles have separate relay valves that receive the signal from the treadle valve. There are electric solenoids controlled...

Good points Duncan. There are many areas of society these days that are facilitated with computer controlled automation and when those systems fail, people stand around shrugging their shoulders or generally freaking out. Look at GPS in automobiles. I can't tell you how many people show up...

I am not suggesting that the trucks have to be ABS trucks to be safe. I was merely relating some anecdotal evidence in support of ABS to prevent stall in the event of a panic stop. Training is great, but as I said all the training in the world may fly out the window if a minivan pulls out in...

I would like to address braking with a non-ABS truck. My 923A2 truck had the ABS MWO and would not lock up the brakes in a panic stop. I was driving my 925A2 on the farm road a few weeks ago and wanted to see what happens when you lock the brakes up on a non-ABS truck so I would be more prepared...