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Hi all, For any M939a2 (CTIS equipped), does anybody know how many pulses per mile the speed signal generator on the mechanical speedo cable puts out to the CTIS controller? I have searched and found one reference of 30,000, but not sure of that data source. Also heard 27,999, but that was...

Is this a member here? This is just awesome to watch. Apology if already called out. At this level in the cab, you don't even need cup holders for a screw top 20oz bottle! Gives a new definition to liquid cooled - externally. https://www.youtube.com/watch?v=kzsJZQi1FnI It was a video a...

Not sure which dept to be posting this in. Thanks for any advice. http://www.steelsoldiers.com/showthread.php?168449-M939-LWS-Install-Question

On an M939 LWS install, there is a 90 degree angle iron that connects the front brackets to the cab as additional support besides the bolts through the door hinges and frame. These angle irons bolt to the brackets, and then have bolts that go perpendicular to the truck length, and go through...

Thought I would post a photo of what happens if you hold your starter on longer than the specified 30 seconds. Brushes and armature/commutator run the hottest. Starter is a very powerful motor (6kW or so), with zero cooling. In the picture below this armature got so hot the varnish melted off...

Thought I would post a pic of the planetary drive workings of a modern lightweight high efficiency heavy duty starter. The armature shaft is splined and sits in the middle. These starters weigh 28lbs, are dynamically computer balanced, and are O ring sealed. Developed to last a minimum of...

I've been meaning to do this for a while for the 250 folks, and finally had a chance to. The genset at my work is 855 powered, and the engine tag rates it at 535hp. Here are a couple shots of it. Just seems like normal old school Big Cam stuff. PT pump and aftercooler. She sings. No...

Place holder for near future secret weapon. My perfect running stock 6CTA8.3 complete engine may be available for sale as early as later this month if my plan works out as intended. Stay tuned. Those in the know, pretend you don't know...

Brought the family to FL for Sea World, air boat rides, and alligator wrestling, and I trip across this: https://wildfloridairboats.com/ranch-buggy-tours/ Is this one of us? Who else is down here with M939's on business? Would love to stop by and give you a sale...plus I could insult your...

Fellow SS member Wildchild467 made the news with the appearance of his M35a2 at the Woodward Dream Cruise 2016. His girlfriend is the one with the hat on:

Made a news pic of Woodward Dream Cruise from August 16'. Hopefully see some of you there this year if you attend.

Hope everybody had a good Christmas. I have received a few questions on dash voltmeter readings after alternator replacement with non-stock units, so I took a few minutes to capture some photos of my system for reference. The stock Leece-Neville alternator has a screwdriver adjustable...

Bailey Hydraulics has 40% off and free shipping today if anybody needs hydro parts. It finally motivated me to buy the two 90" stroke, 3 stage, 7 ton, 4" telescopic cylinders I want to make my M925A2 a dump. Going a different path, and will mount them outboard of the frame rails at an angle...

Hi folks. To those that have enjoyed my updated modern engine bolt on peripherals such as compact/light gear reduction starters, reliable high output alternators, and serpentine drive A/C compressor bracket kits, I want to say thank you. I probably don't say that enough. Each and every one of...

I recently discovered the 8.3L was equipped with a factory coolant filter integrated into the thermostat housing on some applications. I have ordered one from eBay, and will try it. From a quick visual, it looks like it will fit, we'll see. Notice the horizontal filter behind and above the...

I am almost certain this is the wrong section, and apology for that. There is a very large cruise function this week and weekend here in MI called Woodward Dream Cruise. I'm trying to decipher the legality of having passengers in the cargo bed area of my 925 and WildChild467's M35A2 for it...

Hi all. I'm looking for known actual experiences of Detroit Locker usage in our 5t trucks vs open diffs. From my understanding, marine trucks were equipped with them. A lot affects this, so please no stories of how it ran in your buddy's 68' Camaro, your dad's 1978 Peterbuilt dump truck, or...

Slid the rear slider window open in the hard top (driver side panel slid toward pass), was driving down freeway @ 67mph with 13,000lb of boxed parts in the bed, and 20 minutes later I see the rear glass panel in the half I slid open is completely shattered like tempered glass does. No holes in...

I'm doing some benchmarking, and recently ordered and obtained a brand new genuine Delco 24V alternator through our local heavy duty International truck dealership which is a Delco parts distributor. Being 24v in the US, they said only 1 existed in their entire distribution network and it took...

I had a vibration issue at speeds over 40mph that would clear up when I switched the front axle on (18,000 miles on odo). Due to this, I immediately started looking at the front driveshaft, and suspected something in the U-joints or splined slip joint. I could move the spline joint some when...