Chevy Colorado 2.8 turbo diesel - Fiberglass RV



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Old 03-07-2019, 07:26 PM   #1
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Name: Henry
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Chevy Colorado 2.8 turbo diesel

Anybody towing a 6 to 7K lbs trailer with a Duramax 2.8 turbo diesel? Any problems or issues going through the Rocky Mts? If you have a 4x4 what is your payload capacity?
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Old 03-08-2019, 11:23 PM   #2
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Are you looking at pulling your new Bigfoot 25B25RQ with the Colorado/Canyon?

My 2017 Colorado (crew cab Z71 4x4 Duramax) has a tow rating of 7600lbs. (The 2wd has a tow rating of 7,700lbs.) My plan is to tow a Bigfoot 25B21RB (440lbs Hitch weight, 4,308lbs dry weight) with it so I am interested in anyone else's comments here. I've seen people on the Chevy forums who say they tow more than 8,000lbs but I've seen others who say you shouldn't pull anything more than 75% of the max which would be 5,700lbs. But, it's the internet and everyone has an opinion on something here.



According to this page: https://www.chevrolet.com/content/da...ring-guide.pdf tongue weight should be 10%-15% up to 770lbs. According to the sticker on the door of my truck, the max carrying capacity (cargo and passengers) is 1,375lbs. Your 25B25RB has a hitch weight of 610 with a dry weight of 4,863. If we keep the trailers below the max weight of 7500, we both SHOULD be ok. I'm probably going to look into a weight distribution hitch with anti sway. Also this is what the page says about trailer weight ratings:: TRAILER WEIGHT RATING This rating is determined by subtracting the tow vehicle’s weight (curb weight) from the Gross Combination Weight Rating (GCWR). Base vehicle (curb) weight plus 150 lbs. each for the driver and a front passenger is used, so additional passengers, equipment and cargo weight reduce this rating.



Uh 150lbs per passenger? Haven't been that weight since 1990. Guess I need to go on a diet before I get my trailer. Only 75lbs to lose.



Keep in mind the Colorado is only 83" (6.9") wide and these trailers are 8'4" wide so the trailer will be much wider than the trucks. The factory mirrors are not really towing mirrors. You will probably want to get some real towing mirrors installed. I will be looking into it.



Good luck and hopefully someone else on here has some good info.


Regards,
Jon
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Old 03-09-2019, 10:52 PM   #3
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Thumbs up towing

We easily tow our 2018 Casita Independence Dlx 17' w our 4L V6 Frontier dbl cab truck.rated at around 7000 lbs, I think
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Old 03-10-2019, 05:42 AM   #4
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I have been towing my 17' Casita SD with my 2011 Tundra 4x4 5.7L six speed with tow package. Because it is a 4x4 the tow capacity is reduced to 7800 lbs (down from about 10K) and a payload capacity of 1337 lbs. I have a Leer fiberglass shell and a bed slide with further reduces my PC substantially. It is then reduced by the 435 lb tongue weight (measured on my Shoreline scale) of the Casita. So to rephrase, I have almost no payload capacity left.

I just bought a Big Foot 25R25RQ. The tongue weight empty is listed as 610 lbs. This is for the 25'6" BF. Mine has the extended frame for the fiberglass storage truck in front, so it must be quite a bit heavier. I will weight it asap. I believe the tongue weight will be between 900 lbs or possibly 1100 lbs wen loaded. I expect the total weight to approach GVWr of 7500 lbs. I may be able to keep the weight down by carrying only half the fresh water capacity, so hopefully I won't hit the 7K, but until we load it I won't really know.

So basically with the Tundra I am technically maxed out. I may have to go to a true 3/4 ton or even a 1 ton.
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Old 03-10-2019, 05:47 AM   #5
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Frederick I also have a 17' Casita SD. I have towed it about 30K+ miles. The Tundra does well, but I have hit some grades in the Rockies and the Appalachians that were a bit worrisome going downhill. I drop lower gears, but I just don't like using my brakes as much as I do. The Colorado has an exhaust brake, I 'm just not sure how effective it is with a trailer in the 7k range, considering the size of the engine.
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Old 03-10-2019, 06:16 AM   #6
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Looks to me like it has the same problem as the Tundra: payload.
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Old 03-10-2019, 10:59 AM   #7
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Jon...Yes, I suppose so. I was thinking If I only had an aluminum shell or maybe just a topper, it might hold what I need. But I keep circling back to a 3/4 ton or 1 ton single axle gasser or possibly diesel.
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Old 03-11-2019, 06:58 AM   #8
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Chevy Colorado 2.8 turbo diesel

Henry, I’d be inclined to load up the trailer as you intend to travel, hitch up to the Tundra using WDH, and take it to a scale for an axle-by-axle weighing. Rather than focus on payload alone, see where you stand on GAWR’s, GVWR’s, and GCWR. Those are the primary engineering-based limits; all other ratings, including payload, are derived from them.

That will also give the most accurate information for choosing a new truck if needed.

As to reducing payload by switching to a lighter cap or tonneau cover, you could do the same with your Tundra. But do you really want to be at a place where you are quibbling over a hundred pounds?
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Old 03-11-2019, 07:45 AM   #9
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Originally Posted by Rzrbrn View Post
Jon...Yes, I suppose so. I was thinking If I only had an aluminum shell or maybe just a topper, it might hold what I need. But I keep circling back to a 3/4 ton or 1 ton single axle gasser or possibly diesel.
I've been playing the tight payload game myself. Anything added to the truck after the factory comes out of payload. In my case, that means spray in Berliner, camper top, bed side steps and towing mirrors. I run out of payload way before I run out of tow rating.

Frankly, I would not consider towing a 25 foot Bigfoot with anything less than a 3/4 ton pickup truck, brand of your choice.

One "Advantage" of a diesel truck I never see mentioned is you can use the truck lanes at truck stops. As your overall length gets longer and longer, pulling into gas lanes designed for passenger cars gets tougher and tougher.
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Old 03-11-2019, 09:12 AM   #10
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Very good point Bill. Even with a gasser there were many times where I had a very difficult time pulling into or out of cramped gas stations; LA comes to mind. Another reason to have a large gas tank. Nothing like sitting in a traffic jam in LA or San Fran and watch your fuel gauge visibly move....
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Old 03-11-2019, 10:10 AM   #11
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I second weighing your rig. I posted my CAT scale weights here and on Bigfoot forum when I picked my 25RQ up. Way way over the Colorado’s pay scale.
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Old 03-11-2019, 10:43 AM   #12
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Thanks Bruce, I was concerned that would ultimately be the issue. Ok, that rules out the Colorado. I will use the Tundra out west this camping season and see how it does, then decide what to replace it with if anything. I will weight it on commercial scales after it is loaded and ready to go.
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Old 03-11-2019, 09:02 PM   #13
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Ok, that rules out the Colorado.
Henry,

I was pretty excited about the Canyon / Colorado twins, (on paper at least), right up until I set my skinny rear into the driver's seat.

It took just a moment or two to realize that this seat was not going to be at all compatible with my delicate derriere over the long haul.

Your bunz will vary.
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Old 03-11-2019, 09:25 PM   #14
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Mike, it may have been my imagination but it seemed to me that the steering wheel was somewhat off center from my body. That is, to have the steering wheel be directly in front of me I had to sit a bit over, to the side of the seat.
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