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How are you guys putting a "dummy load" on your generators? I've got an 804 that is about ready to start running and testing, but I want to run it up to test the operation prior to plugging it in to something it might damage.

While my truck is awaiting a new cylinder, I was reading the TM's and found that many M939 series trucks have a "deep water fording kit", with a lever on the dash to activate the deep water kit. Apparently it blows vent tubes with positive pressure while in deep water. My M936 came with a deep...

I got the M936 about a month ago and changed all fluids and filters upon arrival. We drove it around the neighborhood a few times with no problems. I even got to use the crane a couple of times! Then I took it on a 5 mile highway trip, going about 55 mph (not floored). About halfway back, I...

I'm ordering a case of grease and fluids to change out on my new (to me) M936. I've got lubrication order questions. The original LO says to use MIL-G-10924, which seems like generic lubrication grease. I didn't see any NAPA equivalent on the 5-ton parts spreadsheet. What are you guys using...

Is anyone here in Houston that has a bunch of 5-ton Wrecker(M936) knowledge? I've read the TM"s (okay, scanned them), and still have some questions about controls that are not in the manual. I'd love someone knowledgeable to show me the finer points of this truck!

Is anyone here in Houston that has a bunch of 5-ton Wrecker knowledge? I've read the TM"s (okay, scanned them), and still have some questions about controls that are not in the manual. I'd love someone knowledgeable to show me the finer points of this truck!

So I've used the crane a bit, and it's fantastic! The first few times I used the crane I was working on the throttle linkage (disconnected), so I shifted it at an idle in neutral and manually turned up the throttle to about 1500 rpm's on the fuel pump. I've now reconnected the throttle linkage...

I truly hate the way the exhaust pipe is crooked on the back of my 5 ton. I was thinking about just straight piping it up with a flapper on top. Has anyone eliminated their muffler entirely? How loud is it? Any problems with straight piping it? Why couldn't they make it dress-right-dress...

I got it started!!!! Okay, the fuel pump has a huge leak, but the beast lives! As soon as it started, it roared all the way up to the governor. Turns out the throttle linkage was stripped on the shaft coming out of the fuel pump and the throttle responds appropriately to manually turning the...

The driver just showed up with the M936 from Milwaukee. Dude made it in 24 hours--impressive. Regardless, the truck won't start. GovPlanet's auction has video of the truck running. I put two fresh 6TM batteries in it, but still get the same click from the used group 31's I had on hand. I...

So after SEVEN MONTHS of getting the runaround from Govplanet (pro tip: just start calling them three times a day, every day), my 1984 M936 Wrecker is finally on it's way to Houston! The auction listing said the batteries were dead and needed a jump. What they meant was the batteries are gone...

I just picked up my 15kW genset on a trailer. One of the tires is destroyed. They are Dunlop SP160's size says 10R22.5. I've had a hard time finding a replacement tire, which leads to this question: Can't I just replace both single wheels with some duals? I think the duals would have...

I bought item 1940130 on GovPlanet on 8/21/2019. It is an M936 5-ton Wrecker. I challenge the truck is highly sought-after by Hans Grueber.. They took over a month to "accept" my EUC, now it shows "correction needed", but they won't tell me what corrections. I think it is in that status just...

Can anyone tell me what gauges go in these holes on this 2010 Fermont 804B?? I got the top left as a coolant temp, but would still need a source for it.

I'm looking to add a small generator to my M936. I was planning on permanently mounting it with a small 110 volt welder (unless ya'll know of a combo unit). I don't want anything too heavy or large, thus the small 831. Planning to mount it just above the right side fuel tank (yes, I'll need...

So I'm preparing to get my M936 (waiting on EUC since 8.21.2019), and I have some 24 volt system questions: One of the best upgrades I did on my jeep and F 250 was changing every bulb over to LED. The Jeep took a digital flasher, and the F250 fast flash can be turned off in the computer. Both...

How hard is it to add a turbo to this engine?

So I purchased a 1984 M936 (still waiting on EUC). It has some minor body damage, but the paint is badly faded (the black looks gray; the brown looks tan). The front right fender will need either hammering or replacement, and painting. I'm considering doing the whole truck, so it looks...

How do ya'll lock up your trucks? I know about the chain around the steering wheel, but that never convinced me, even in the motor pool. This truck may spend some time alone at the property until we get the house built. I'd hate to see it "departed". Are there any easy kill switch tricks...

I'm trying to ship an M936, and have some really, really, really good rates (I'd think it would almost cost that in fuel). Regardless, I don't want to get slapped with a "not as described" fee from the shipper if the truck weighs more than the auction site posted. The listed weight on the...