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I need to clean that filter for sure. Is that rubber part available from Cummins or elsewhere?

It doesn't seem to matter how tightly I compress the rubber base of the oil dipstick (NHC-250), it continually pushes out about 3/8". My first thought is blow-by or a restricted road draft tube but what else can cause this to happen? Could the rubber be hardened and not grabbing the tube...

I had the same issue with my M813 with conflicting quantities in the literature. In the end the Lube Order was correct at 27 quarts for the NHC-250.

I finally got the dual fuel mod done on my NHC-250. As promised by others who have gone before me, that stubborn pipe plug was a royal pain. It took an entire day to remove. After stripping through 3 allen bits, 2 torx bits, 3 easy-out extractors, and after drilling a 1/2" access hole in...

A refurb process would usually leave behind an MWO tag or depot data plate wouldn't it? Could the color of an engine be a clue as to being a replacement? My engine is a dark metallic gray color. I see others that are od green or black.

My M813 is titled as a '79, the engine was manufactured in 4-'81, and I don't know how to decode my axles tags but I'm trying to figure out which date would be the most accurate in terms of indicating when the truck left the assembly line. Does it make sense for a 4-'81 engine to make it into a...

Wow, all those rigs look like they're straight off the showroom floor. Is that cargo truck (M925?) On a short wheelbase frame with a shortened bed or am I seeing an optical delusion? Edit: I think the listing in your signature answered my question. Looks factory- very nice job!

Hey Ajax, Any updates on your wake up project? Last I read you were installing a new T-case...what's the latest?

I have repair & adjustment info for a Ross HF64 steering gear from a Ford truck shop manual. I don't know what the differences are between yours and this one but they appear similar and it may be close enough. If these don't enlarge enough to read I could take pictures a half page at a...

77 AMG, I don't know much about the CVC helmets but they look like they would be fun to use (at least for short durations). Are you going to have helmets on all ends of your intercom?

Special request to get picked up on the last day of school in the army truck!

I ended up with both the flat plug (E model) and the round style (F model) bailout connectors.

Here are some random photos of the H161 headsets and some of the intercom cables. I got (4) NOS headsets from 1993; 2 were H-161E/U and the other 2 were H-161F/U.

Eastern surplus stuffed a M818 into a container: https://www.easternsurplus.net/GalleryDetails/703/M818-6x6-tractor-export-latin-america-army-military Looks like some parts come off of that one to work. Not sure if the 813 bed would be narrow enough.

Gary, thank you for doing all of that research - this is a wealth of knowledge and history! My truck is titled as a 1979 so it could definitely have been part of that 9-3F-34 unit at Fort Lewis. I'm thinking that with a 40 year old truck it's possible that the dragon and the bumper number unit...

This is a better picture

Both dragons are now back to their former glory

I've never been in a convoy beyond a few parade MVs, but it sure looks like a lot of fun. As a teenager I used to make my dad slow down as we passed the convoys heading to the Yakima firing range so I could check out the hummers top to bottom. You didn't see many smiles on the driver's faces...

oh, cool! I emailed him some photos of my finished installation along with my gratitude for the quality of their work. Knowledgeable he is. Even after studying through the intercom technical manuals for months I still struggled to have a conversation at his level, but he is exactly the kind of...

Yes! That's what I'm talking about. Great pictures - keep them coming!