M101A2 "Poor Man's Teardrop" - A five year retrospective

4lowdean

Observer
In 2015 I embarked on my first long-distance overland adventure dubbed "The No Highways Tour." Went from the Easternmost Point of the US in Maine to the Southernmost Point of the US in Key West, FL over the span of a month. On that trip I tent-camped the entire time and realized rather quickly I was wasting a lot of time and effort making and breaking camp every day.

Later that year, in the fall, I was in North Carolina for the American Adventurist Appalachian Rendezvous followed by Overland Expo East --- aka "Underwater Expo." Those two weeks of incessant rain pretty much solidified my plans to build a trailer.

After returning home I sourced a modified, but mostly unmolested, M101A2 from a friend of mine. He had already stripped off the hydraulic brakes, lunette, and mil-spec axle in favor of a traditional hitch and a Jeep width Dexter 3500# axle with Jeep 5x4.5 bolt pattern and electric brakes.

Trailer when I got it:

trailer-000.jpg

Building the trailer wasn't hard. Found a truck cap off Craig's List for $50. It required a little work, but in the end I was able to make the trailer live-able for $1200.

Year 1: A month in CO, UT, & AZ

trailer-001.jpg

The first year the trailer was pretty basic. Spring-under with 31" all-terrains. Jeep was still under-construction as well so it was on borrowed tires for that trip. It worked really well for the most part. Only real issue was the bed frame which was a hinged design. Wasn't very practical. All in all it did well for the month long trip out west as well as the summer/fall events season.

Year 2: A few upgrades & Another trip out west

trailer-005.jpg

For this trip the trailer saw it's first "hardcore" terrain along the AZBDR in Tonto National Forest. The first limitation I noticed was it being spring-under with 33's. The tires rubbed even on flat ground, and on rough ground they were even worse. I also noticed the "dump tongue" on the M101 was more annoying than useful (more on that in a little bit). However, even with its drawbacks, the trailer still worked really well off-road. It tracked behind the jeep beautifully and was very stable even when off-camber and flexed out. That's mostly due to all of the weight being within the silver portion of the tub. Everything in the camp area was empty space. Only things with any measurable weight up high were the awnings. Since the camp is aluminum and sheet metal it really doesn't weigh much.

Here are some action shots of the trailer in some technical terrain:

trailer-002.jpg

trailer-003.jpg

trailer-004.jpg

The other limitation I noticed was the Jeep's rear suspension was bottoming out. Partly due to the Jeep still running "heavy" but also due to the poor suspension geometry of the rear springs.

Year 3: Upgrades all around!

trailer-006.jpg

The biggest upgrades in 2018 were finally sorting out the rear suspension on the Jeep with some spring relocation brackets. Pretty much gave me an inch back as well as straighten the spring so it actually did what it was supposed to. This allowed me to switch the the trailer to spring-over making it preform off-road much better. However on-road it was evident I should probably put shocks on it. It does okay without them, but I'm sure a pair of small shocks would mitigate the small amount of sway the trailer has. Shocks would also smooth out the bump-rebump effect between the trailer and Jeep.

trailer-camp.jpg

The other major upgrades to the trailer was adding the 270 awning. Combined with the ARB 2500 & Deluxe room the trailer expands into a nice "base camp" for events. However when in travel mode it still takes zero time for me to just open up the back, crawl in, and go to sleep. Gives me the best of both worlds.

I also built a new bed frame which was a "cubby style" and pocket-hole-screwed together. So much better than the older hinge-style bed frame.

Year 4 - The not-so-fun year

trailer-007.jpg

Year four started off bad and only got worse. I started off diagnosed with skin cancer requiring surgery in February. I had already planned on quitting my job effective the end of March. Someone also got the bright idea to attempt an LS swap in the LJ. The worst part was as soon as I was recovered from my surgery my mother's cancer came back and I ended up playing caretaker for the remainder of the year. Luckily I was able to sneak out to a few events between her chemo treatments and was never more than a few hours from home. To make life easier I swapped the trailer back to spring-under, switched out for some baby 235/75R15's, and spent the year pounding pavement with the trailer behind a Grand Cherokee --- at least it had a Hemi. Who knew the M101 would do 85 mpg?!?

Year 5 - Current Year

trailer-008.jpg

So far the biggest change in 2020 is addressing the tongue. I wanted to get rid of the "dump" feature for a few reasons. First, the sub-frame hung down below the rest of the frame rail and it meant needing a 5" drop hitch behind the Jeep. This mean it had a terrible break-over angle. Also the tongue is ridiculously short making the trailer nearly impossible to backup accurately and also made it a little squirrel. I also didn't have enough tongue weight. So by extending the frame out and up it made it longer and more stable, also gave me room for a small platform for things like batter and fuel/water cans. This would give me a little extra tongue weight with moving the batteries to the front of the trailer and then I could dial in the rest with liquid weight (if needed). I also had a nice place to stash trash and/or firewood if need be. It tows sssooo much better now, and has much better ground clearance for the break-over angle.

The next phase of the project is to completely rewire the trailer, switch the axle out for a newer one with larger hubs and brakes, as well as ones with a parking brake feature. Other than that this trailer is pretty much "done." I'm already considering building a new trailer project next winter using an M116A3 flat-deck trailer I picked up at auction. But that's a different trailer for a different post.

In the meantime, feel free to ask me anything about the trailer, how it's worked for me, what it's like towing a trailer both on the road, highway, and off-road. I'll be as transparent and honest as I can be.

Main stats and links to build albums can be found here.
 

46flattie

Observer
Nice trailer project and report. Sorry to hear of your health & family setbacks in 2019. Did you ever finish the LS swap in the LJ?
 

4lowdean

Observer
Nice trailer project and report. Sorry to hear of your health & family setbacks in 2019. Did you ever finish the LS swap in the LJ?

It was slated to be done last month. I actually heard it fire up, but as soon as it got to temperature it started knocking. They are looking for a new engine/trans donor now. Hopefully within the next week or two it should be finished.
 

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