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For any wanting to add hydraulics to their 8.3L vehicle, I wanted to illustrate another way. You can use a belt clutch hydraulic pump on the factory serpentine drive. Simply mount the pump in place of the A/C compressor of the kit. Pump has fittings on sides and rear, can use either or...

Looking to see if anybody has done the actual swap of the rare yet air locking 5t / 7t axles into our 5t trucks. This is not a drop an ARB carrier and not the MRAP axle. This is an entire air locking Rockwell top loader axle that was not supplied in 5t military vehicles, but supposedly fits...

Mods, are you putting 5 ton (M939) mod threads in the new M939 folder as well? I guess this thread is not necessarily a mod thread since it is factory parts, but more of a question going forward. Hi all, hope you and your families are staying healthy. I can't seem to find the TM which...

Even though they came equipped on (some or most all?) Marine based M939’s, I’ll post this here for those that are considering to add such Detroit Lockers to their truck. Randomly there seems to be interest and questions about these. I have 2 which are uninstalled, so I thought I would post...

Hi all. I just wanted to post a quick thread indicating that I do not have or know the civilian alternator conversion "part numbers". I do sell complete kits for the Cummins 8.3L which includes all needed. I have also politely posted the Cummins 8.3L civilian alternator bracket part number...

Had an oil leak from the front of my 8.3L. Bought new timing cover gasket and crank seal. Was quick and easy to change both. 18mm socket and breaker bar for the 4 crank pulley bolts, 3/8” ratchet to drop the belt tensioner, and 10mm for the timing cover bolts and tach adapter. Upon...

Posting for potential buyers of M923/5a2 trucks. I was looking for this info when I was buying, years ago. This is the electric oil pressure gauge replaced by a mechanical one, so better resolution. Just snapped this pic 2 days ago:

My stock 8.3L engine is starting to leak oil up front and the rear side of the timing case is dry, so I ordered a new replacement Cummins front crank seal and timing cover gasket. Here are the Cummins part numbers for anybody else needing to do the same. These were found from using their free...

Seeking pics of various rifle mounts / locations as installed for M939. Didn’t find much searching. Can be any truck, even if not yours. Just looking for ideas. Thanks.

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Anybody have the LWS (chicken) shield dimensions and approximate bend angle? Looking to make one vs pay $900. Thanks.

Replacing all 12 torque-rod (dog bone) end links this weekend, preparing tools now. Anybody know the nut size hold the rear leaf spring pack together? I may need to take this apart to get to the upper center link end castle nuts. Not enough time to cut them off and replace, so they will be...

Good morning. I was asked to submit a help request for SS member infidelgotme. Since his last recorded log-in, he is now only receiving a white screen 503 error message when attempting to access the site, even as viewing (not logging in), indicating server unavailable. Has tried from his...

Dropped off some scrap at the metal yard, saw a pile of these. Is the differential to something large with indepedent suspension. Mil colored.

I’m in the process of purchasing full size solar panels for my house. I purchased one for feasibility study of mounting and connectivity. The panel is rated for 280W, and was less than $300. A single 12/24 battery charge controller is about $20. With a a single panel and charge controller...

Just wanted to post some info for anybody wanting to add hydraulics to a truck that does not have such. This pump can be had with 8 rib serpentine or double V belt clutch. Muncie brand, all cast iron. Rated at 11 GPM @ 1000rpm, near equivalent to a 925 I believe. Easy 2 bolt mount, ports are...

Looking for proper amount to raise M925A2 cargo bed when converting to 16.00 XZL tires. Would assume 2", since radius profile difference from 14.00 to 16.00 tire is 2", but looking for any known cases where a 2" raised bed still kissed a 16.00 tire in full articulation with no bed load...

Seeking pics of various hinges used / bought / made when converting a cargo bed into a dump. One hoist mechanism I bought is 3 stage telescopic, so I may be able to go as far up as full vertical, have not done the math yet. No preference on purchase vs fabricate. Also considering to raise bed...

Thought this may be useful to anybody with any vehicle contemplating a difference of SAE #1 to SAE #2 engine flywheel housing and transmission clutch / torque converter housing patterns. There are numerous dimensional prints available online to describe such. These are clutch housings for an...