Owners of domestic HD/commercial trucks - was it a good choice?

tonydca

Member
This is a companion post to a similar one I posted in the Mercedes-Benz / Unimog forum to
hopefully get input from both camps:

Executive summary:

Folks in North America who have rigs based on "Heavy Duty" commercial domestic trucks such as Ford 450/550 or Dodge
Ram 4500/5500 and have taken them on forestry roads or similar rough tracks - have you been
happy with their durability and reliability? If you could do it again, would you choose something
else? Any models/years/features to avoid like the plague?

Background:

My wife and I (early-50s) are planning in the next few years to retire/transition from occasional
seasonal camping trips in our current "starter" rig to a more "secondary overlanding lifestyle"
situation, spending 3-5 months per year away from our brick-and-mortar house on much longer
multi-week trips in a more substantial setup. (Very much inspired by @Healeyjet's adventures in
their Dodge 5500-based rig!)

We are located in Canada, and we realistically expect to make the majority of our foreseeable
overlanding travels within North America.

Our current "starter" rig is an older, off-the-shelf cab-over camper on the back of a first-gen
Dodge 3/4 ton diesel 4x4 truck with an 8-foot bed. Our travels in it have allowed us to see both
what is and what is not important to us.

In particular, I feel my current rig is a bit... "fragile" for many of the forestry roads we travel. My
camper's wet weight is right at the GVWR for my pickup truck, and it makes for very delicate and
unenjoyable white-knuckle slow travel over the rough stuff, trying not to break the vehicle as it
trundles along at jogging speed with the camper attached with four Torklift tiedowns and a prayer.

We want our next 4x4 setup to be durable enough to survive long stretches of the corrugated gravel
and forestry-service roads we love to explore at a reasonable clip, and compact enough (say ~25-ish ft. or so) to be
comfortable in urban environments and on long stretches of highway travel at or around 100
km/h. We do not envision doing serious trail-work or rock-crawling.

I'd like to be conservative in weight allowance for durability's sake to make a very sturdy habitat
that is not at or near the weight limit for the truck.

To me, this excludes most N. American "consumer-level" 4x4 trucks (Ford/Dodge/Chevy
1-ton trucks and lighter) as the GVWR isn't quite large enough for my liking - too many
overloaded truck campers like mine out there. "Super-duty" work trucks such as Ford F-450/550
and Dodge Ram 4500/5500 would seem to be much better domestic choices.

That said, some people have instead chosen to go the import route and build a rig around an
older Mercedes-Benz 4x4 commercial truck. Countless Youtube videos and other online
testimonies demonstrate how these trucks are virtually indestructible, even after decades of
(ab)use in Third-World countries, and I have to admit - that sort of rugged dependability and
simplicity of engine/transmission is very attractive to me.

But I recognize that such vehicles were never sold in North America, and there is a whole
laundry list of reasons why owning a 30+ year-old European truck in Canada would bring along
extra headaches, not to mention that once all of the import costs are added up, I can get a 10-
year-old domestic truck for a similar price (and 6 months quicker!!) plus I can add nifty local
features like a Kelderman air ride.

I also realize that I was in my twenties in the mid-90's when Mercedes (and Japanese) vehicles
were at peak-quality compared to their North American counterparts, and I might still have an
unfair bias against domestic vehicles. This might be doubly true when comparing the build quality
and durability of commercial-grade North American trucks versus lighter-grade "consumer"
pickups.

Still - I'd hate to be stranded 30 miles up a service road because a broken sensor on my modern
truck decides to put the automatic transmission in "limp" mode. My 30-year old Dodge might be
short on features, but something can't break if it isn't there in the first place, and whatever does
break I can usually fix with a hammer, a multidriver, and some curse words.

So... folks out there with rigs based on domestic commercial trucks - are you happy? Would you
do anything different? Are there model years or specific features to recommend or to stay away
from?
 

djm68

Observer
My wife and I are mid-50's and planning to do almost exactly what your and your wife are planning to do. I plan to retire May 2025 and commence traveling for several months at a time. Our build is just coming together this month, hence I do not have experience to share regarding durability or longevity (yet!).

This is what we decided on, and our rational for our chooices:

We decided on a Ford F450 chassis cab, Bowen flatbed, and a Total Composites 8.5 camper. I did a great deal of research and decided on the F450 (2020) due to higher GVWR, robust axles and larger brakes, and the front axle on 450/550s afford for a very tight turning circle. I decided on a gas motor to keep things simple -- modern diesels are amazing pieces of technology, but they are complicated and not easy to maintain, and I have no need for 1000 ft/lbs of torque.

I strongly considered buying an older, pre-emissions Ford for Dodge, but those truck are now quite old, in same cases parts are becoming difficult to find. With such an old rig, you would be looking at rebuilding many major systems, and you have to consider aged wiring as well. While I do love the old school diesels, they are loud which could be tiring on longer trips. Our F450 rides surprisingly well, and cruising along at 55-60 mph is quite relaxing, the Conti MPT 81 tires generate the most noise.
 

phsycle

Adventurer
I’ve no experience with commercial HD rigs. But I’d imagine there are no less electronics, but perhaps even more electronics in the “1-ton and lighter” trucks today compared to the commercial rigs. I, and a whole bunch of others, take these rigs to very remote areas and beat on them on a regular basis. Yet, debilitating electronic failures are pretty rare. I don’t know of anyone in my circle and beyond with modern trucks that couldn’t make it back home due to some electric part failing. I’m sure this has happened. But anecdotally, it’s rare.
Compared to the issues I’ve seen on older rigs, with both mechanical and electronic issues, I’ll take a modern truck any day.
 

rruff

Explorer
Conti MPT 81 tires generate the most noise.
If a person keeps their weight in check I think the 37s-40s might be a better way to go, as they would ride better. You are limited to ~8k lbs on the rear axle, but that is enough for a lot of camper and stuff.

The turning radius is a very nice feature on the 450. I think I'd opt for the single cab for just a couple, and put a storage garage behind the cab.

What did you do for a pivoting bed? Who built out the camper?
 

djm68

Observer
If a person keeps their weight in check I think the 37s-40s might be a better way to go, as they would ride better. You are limited to ~8k lbs on the rear axle, but that is enough for a lot of camper and stuff.

The turning radius is a very nice feature on the 450. I think I'd opt for the single cab for just a couple, and put a storage garage behind the cab.

What did you do for a pivoting bed? Who built out the camper?

I bought the truck lightly used and it already had a super single conversion with the Conti's. In truth, I doubt I actually need such tires, but as noted the truck already had several mods, including the SS conversion. I've not done a ton of research on tires, but I do think smaller tires would be a better option. I am consider changing to smaller tires when the Conti's wear out, but the truck was also re-geared to 6.17 to accommodate the 41" tires. I don't think I'll need to re-gear if went down to 40s...

I was shocked at the tight turning circle on our F450 -- makes it easy to navigate tight areas. I considered a single cab, but we have two dogs, both about 40lbs, so the back seats area will be for them, plus additional quick access storage. With the 60" chassis cab, I had enough room for a small garage behind the cab and still have room for the 8.5" TC camper.

Overland Adventure Truck built the camper and I opted for the Bowen bed with articulating sub-frame. The truck will be at Bowen's shop in Colorado the last week of May to have the bed installed, then back to OAT in Olympia Washington to have the camper mounted. It has been a very, very long project. Glad to finally have it coming together.
 

dstefan

Well-known member
I was shocked at the tight turning circle on our F450 -- makes it easy to navigate tight areas
So what is the turning radius in feet? Just curious as that was a consideration for me in going with a Tundra over the domestics. Not trying to compare a 1/2 ton to a F450, but inquiring minds …
 

rruff

Explorer
Got this off a Ford forum. The F250 and 350 are ~15% greater diameter. The Tundra with 164" WB is 49.0'. I think the 145" is ~44'

screenshot_20220612_180950_chrome_03a491d5afa8a668f26b63ef44ff8e4fbbc3bacb.jpg
 

djm68

Observer
So what is the turning radius in feet? Just curious as that was a consideration for me in going with a Tundra over the domestics. Not trying to compare a 1/2 ton to a F450, but inquiring minds …

Good question. I googled it a bit a the numbers are a bit difficult to find, but it looks like 48' (diameter, curb-to-curb) for the F450 vs 56' for the F350. I have not personally measured this, but I can tell you from personal experience, when turning in a parking lot, I was totally surprised how far the front wheels turned, and how tight I could turn the truck. I had heard about the wide track front end allowing this additional maneuverability, but did not know it would be this dramatic.

Below are specs for 2019 pickup, so a little different than chassis cab, but you can see for the same wheelbase, the F450 PU has 13% smaller turning diameter:

Screenshot 2024-05-19 at 6.25.05 AM.png
 
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BikePilot

Member
I've been really happy with my Ram 3500. The key with this class of truck is to setup the suspension and tires well for your use. I dont have a camper on it, but do cover lots of forest service roads and trails, usually tent camping or towing a trailer. I set mine up with Thuren suspension and King 3.0 shocks. The tires are 37x12.50 on 17" wheels, so lots of sidewall. The result is a really comfortable ride, and enough payload to do anything I need (4k lbs, and even at the limit it feels unfussed).

Another option could be US military trucks. Loads of them available cheap. LMTVs, 5 and half tons, etc.

Sent from my Pixel 8 Pro using Tapatalk
 

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