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Yes- thank you. A quick google showed those are the style of reusable fittings I'm used to seeing around. They have the flats for a wrench where the crimp would be. I tried to download a pic of them to show here but the format wasn't correct for an upload. But with all the discussion on...

I've never liked harness grounds, engine grounds, or other frame grounds for critical circuits. IMHO, if there is a item like the FSOV that requires uninterrupted, full voltage/power for the vehicle to operate, then that circuit should be grounded directly to the same spot where the negative...

I'd double check battery connections, battery condition, and grounds and then have someone hit the start lever when you're checking voltage at the starter. Many years ago, I chased the similar problem on a mid-70's (told you it was many years ago) Honda CB550 motorcycle my uncle gave me to get...

I read a lot on SS that 5-ton wreckers (M936s for sure and maybe M816s) came with field repairable or reusable hydraulic fittings. But when I look on pics of M936s for sale, I don't see the kind of reusable fittings I'm used to seeing that have wrench flats where the crimp would be. I found a...

If Nice on the M920. I think that's the Cummins Big Cam tied to a Cat 16 speed tranny, right? If so, lower your power expectations quite a bit with either the NHC250 or 8.3L Cummins. But since you have experience with MVs and know what you're looking for, I say you'll do alright regardless...

Thanks guys- appreciate it. I'll let you know what I find out. Wreckers are a new one for me so it will be a bit of learning curve when I get on it.

What do you want to do with it? You live in the mountains or sea-level flatlands? If hobby use, then put the money towards the best wrecker you can afford as a hobby. Wreckers are dirty, nasty things that have a lot of issues compared to a regular truck. When you buy a wrecker, you're...

I'm going to inspect the crane hydraulics of a M936A1 that is reported to not work and I want to get knowledgeable on crane ops before I go see it . All I know is "PTO engaged but no hydraulic pressure to crane" so I'm guess this has a high probability of operator error. And yes, I have all...

Thanks for the suggestions- those are great tips. I should do that to all my trucks as I'm sure there is a ton of gunk in the lines and other system parts.

I've heard of guys taking a cheap hand pump garden sprayer from Home Depot and filling it with diesel to recover tractors, dozers, etc. stuck in the field. You can easily vary the amount of pressure you have from 5-30psi by how much you pump it. The couple gallons of diesel is more than...

You know, the funny thing is I wasn't thinking too. I knew they were 1/4" tubing but I'm so used to connecting them to our pumps with 1/8" NPT nipples that I got used to calling them 1/8". <insert face palm> And yeah, we use an 8mm wrench to push against the release ring but sometimes...

That's a really slick set up! Where did you get those 1/8" push-locks? I use them for my fan misting/cooling system in the work area but the ones I use are a bugger to get undone without a lot of cussing. Hoping you know a special brand that are much easier to install/un-install....

The hour or so I spent going searching this forum led me to believe the same. I know it's always a crapshoot when buying one of these trucks but at least I'm hoping to do an educated crapshoot if I purchase. Last thing I need is another time- and money-sucker sitting out in my motor pool...

I own three M939 series trucks with the NHC250 so I'm familiar with how air leaks in the fuel supply system can cause havoc. I'm hearing the 8.3L isn't too different in that air leaks (along with a bunch of other nit-noid things) cause a lot of no-start headaches that people originally...

Resurrecting an old thread here as I'm thinking about adding an M817 dump bed to a M931. Somewhere on the forum I remember reading that the M817 dump cab protector will bottom out on the M931 cab. I saw a reference to shorten the exhaust and intake pipe but I thought it was an issue with the...

Thanks, Wes. This is one of those 'yes buts' I don't have access to the truck except on random weekends and my local hydraulic shops are closed on weekends. I don't have an easy way to take the old hoses to a hydraulic shop to copy on a one day turn. I understand I'll also need new...

I’m looking for bulk oil hose and searched all over here and the web but can’t find a part number or other descriptive way to explain to my local industrial hose shop what I need to replace my oil pump hoses. Not having luck with the local truck repair shops either. Was hoping to reuse the...

This is my plan for my M923. Ditching the 11.00's and going to 16.00's for better highway cruise (lower engine rpm's and softer ride).

CSM- I'll pm you about the tarps and bows. On a side note- can you explain how troop seats fit into the whole mix? Are they separate from the tarps and bows?

That's cheap insurance. I like it.