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ok, third attempt to post this time with a picture I finally got back from my 1,300 mile trip of picking up the new NHC 250 from North Carolina. The old Dodge Diesel dually did just fine with the weight of the engine and container in the bed and averaged 17.6mpg for the trip. I didn't shift...

I'll try this again as my original post did not show up from this morning. On my M812 bridge truck equipped with the 5spd manual trans there is an assy. on the passenger side of the upper part of the trans which makes a hissing noise when the trans is shifted into reverse. The vent tube is...

I'm picking up a Cummins NHC 250 this next week which is in the military steel crate. My question is how much will this weigh? I'm guessing 3,000lbs with the crate?? Also how big is the shipping container for bottom dimensions? Will this fit in the bed of my Dually 3500 Dodge long bed...

Where is the brake light switch located on the M812 Bridge Truck? I noticed something on the air line with two wires near the master cylinder. My turnsignals are not working and I noticed that Saturn Surplus has this for sale under M35 parts. http://saturnsurplus.com/m35/3706.jpg Does this...

We had an air leak coming from the transmission gaskets located on top of the trans on the passenger side. We replaced the small gaskets which stopped that leak but now the vent between the two gaskets is always blowing air unless the tranny is in reverse. Is this normal? It's not enought air...

I noticed one of my steering knuckle boots is starting to get a small crack. Where is the best place to purchase a new boot? My main concern purchasing from a place that has boots thats are fresh and not old rubber. Any help would be appreciated. Thanks, Andy

We are finishing up the main and rod bearing project finally and will be installing a different oil pump this weekend. Is there a way to prime the lube system to help with a dry start? I plan on taking the drain plug out of the oil filter housing and positioning it on the upper side so I can...

I'm looking for a pair of new fenders for my M812 Bridge Truck. The ones that I have on the truck are not that bad but need a few small patches in the front of the fender lip where mud/salt collects. I would prefer to just go with new fenders if they are available. Who has them and how much...

Could someone pop their hood on their 5 ton with a NHC 250 Cummins and take me a quick picture of the oil lines coming out of the oil pump. I had new ones made up but it's been long enough I forgot where they go. you can email me pics armytruckdiesel@hotmail.com One goes to the bottom of the...

We have installed a new relief springs and had new hoses made but need some help on installing the hoses. The hose on the bottom of the oil pan needs to go where on the oil pump? And the line that goes to the fitting on the side of the engine block needs to go where on the oil pump? Any...

I need an oil pump for my NHC 250 Cummins. M812 Bridge Truck. I tried calling John Winslow twice and have not received a call back. A new pump is $3,305 and Clark Truck wants $1,800 for a take off pump that hasn't even been rebuilt. For those prices I can get a great running take out 290 or...

Checked the oil pressure for a second time with a different gauge on my M812 NHC250 Cummins. The oil pressure bounces all around from 41 to 27psi. Mainly shows around 30 psi but when rpm increases the oil pressure actually decreases. I'm thinking I have a bad relief in my oil pump. My...

My power steering is low on my M812 with cummins power. I do not see what fluid is recommended on the date plate in the cab. What should I use? Andy

We changed the oil and moved the truck approx 25 miles into town. We were hoping that the oil change and filter would bring up the oil pressure but it remains around 30 psi when running down the road at 50-55mph. We are going to see if new rods and mains would help but if I could get a good...

We are finally going to change the oil and filter, fuel filter and drive the truck approx 25 miles to a pole shed that we will be renting so we can start to really work on this rig. Question is I have a flat on the inner dual and need to change it before the short journey. What size is the...

Trucks turn signals do not operate for any lights. The turn signal indicator in the cab does not flash. What things should I be looking for to correct this problem? The headlights and brake lights work just fine. :?

Does anyone know what fuel filters and oil filters I need to buy for my M812? I want to replace all fuel and oil filters on the truck. If anyone has a cross reference chart for napa, baldwin, wix, etc. filters I would appreciate it. Any tips or things to look for while changing the oil or...

I'm a new owner of a 1977 M812 Bridge Truck with the NHC250 Cummins engine. What should the normal oil pressure be at operating temp for idle and at driving speeds? What is the best place to buy rims to convert this truck over to 1600x20 single tires? Thanks, Andy