ProLine Products
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ProLine Products
Since we opened in 2002, we've focused on manufacturing the highest quality aluminum trailers possible. This, of course, means using quality parts but also means quality in craftsmanship and engineering. Around 2007 we opted to forego the traditional trailer sales method of selling through dealers and instead start selling our aluminum trailers factory direct.

This was important to us as we wanted our customers to have the best possible experience when purchasing one of our trailers. Something that doesn't happen solely by building a quality product, but instead by matching each future trailer owner with the proper trailer outfitted for their needs.
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Research and development goes back decades for Tom. He's been an avid snowmobiler his whole life and in the mid 1990's, he was looking for a new snowmobile trailer. He called a lot of manufacturers to see if they'd be willing to custom build him a trailer. As he really didn't like a lot of what was on the market at the time.
Our direct sales mean you can get the trailer that's right for you. If we don't have what you want in stock, we'll happily build it for you, usually with a very reasonable lead time. Over 80% of our sales year after year are custom orders so give us a call and we can help discover the perfect trailer for you!
Our enclosed aluminum motorcycle trailers aren't just some cargo trailers we slap tie downs in. We've engineered these trailers to be as compatible with motorcycles as possible. The first thing you'll notice is our Quick Adjust Floor Rail System to allow the ultimate in flexibility while securing your ride.
This enclosed aluminum motorcycle trailer is ready to help you check the Myrtle Beach, Daytona, and Sturgis Motorcycle Rallies off your bucket list. Built on a rugged 2" x 5" mainframe on a Dexter Torflex axle with 15" radial tires this is perfect for cross-country touring! Full-size rear ramp door with spring-assist, side door with RV lock, pop-up roof vent, LED trailer lights, and finished white interior are all standard.
If you're looking for a premium quality, enclosed motorcycle hauler for your touring back or bagger, this is it! This trailer is designed from the ground up with motorcycles in mind. We've engineered his trailer to have a sharp 3' V-nose to cut through the wind on long trips, easy to use rear ramp door with spring assist, and a low 18 deck height for an easy grade up the rear ramp.
Reviews (14)
Jerome Welte
Jerome Welte
Jan 12, 2022
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I picked up my low-boy car hauler about 3 months ago and have been continually impressed with the quality of the design, materials, and workmanship. It tows great. Wonderful value when compared to other leading aluminum enclosed manufacturers.
The pick-up experience was great. Everything ready to go. After a thorough walk through we completed some paperwork and I was on my way.
Evan Jones
Evan Jones
Jan 04, 2022
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Just picked up my new trailer. Order process was easy, estimated completion date was spot on, quality looks great. Great company to deal with.
Dave S.
Dave S.
Sep 18, 2021
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Yesterday I picked up my trailer at NHTrailers.When I arrived, the trailer was out front and looking awesome ! All questions from the start were answered immediately and professionally, and trailer was done on production date given ,even after I made changes. Craftsmanship and Price can't be beat.I've owned several trailers, none to come close to this one in quality.I made the right choice going with a ProLine and buying directly from this builder is my recommendation and the only way to go. I left there knowing they stand behind their trailers, and BTW, the 4hr tow home turned some heads as well
E. Jenkins
E. Jenkins
Feb 10, 2021
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Picked up my IS716 end of January and very inpressed with the build quality. Trailer tows very smoothly and first time I've seen trailer wheels balanced without me doing it. Not having screws on the side panels a big plus as trailers age, interior lighting good enough to be a workshop.Tows easily behind my midsize diesel SUV.
Mark W.
Mark W.
Jan 05, 2021
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1st Class Business! Aaron spent a few hours with us explaining the benefits and options of their products as well as ensuring that we knew that they fully stand behind their products after the sale. The factory tour was very informative and helped us decide the options that suited our needs best.
We visited on a Wednesday, placed our custom built order that Friday and the trailer was complete and flawless 3.5 weeks later. I highly recommend ProLine Products and would not hesitate referring this family run business to my friends and family.
Joe Vallier
Joe Vallier
Oct 10, 2020
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I looked at all the New England Trailer Manufacturers from Central & Southern Maine to Merrimack Valley NH and only ProLine had the strength, proper build engineering, and options I wanted for the price they offered.
I insisted on a floor frame that was on TOP of the main frame & the ProLine build had this as a standard practice. The almost all the others I looked at relied on the floor frame merely being welded onto the sides of the main frame.
The optional side mount back up lights are fantastic! They light up everything! (See photos) That option along with the others like windows & vents made
Mike Zimmer
Mike Zimmer
Aug 09, 2020
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I was looking to have a motorcycle trailer custom built to my specific needs, I called and talked to Devin threw the beginning stages of the build .. when I had a question about the 110v setup Devin was not available and was directed to Aaron from that point forward. Aaron took the time to answer every question and concern that I had and changed the quote many times to my the build exactly what i wanted. Still being a bit skeptical on having my PROline LLC build my trailer, Aaron told me to come and take a tour of the company and see just how we do things here... I took him up on the offer and
Jeff Young
Jeff Young
Sep 26, 2019
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Awesome experience with the team at PROLine Products!
Tom and Aaron were professional and efficient with their help allowing us to select the right trailer for our company. The beginning phone call to the quote and delivery of the trailer could not have gone any better!
Would HIGHLY recommend using these folks for any purchase of a well-built trailer...you won't be disappointed!
Jonathan Parker
Jonathan Parker
Jun 26, 2019
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The entire process of purchasing something sight unseen on something not cheap by trusting only internet reviews was comfortable. The sales process was excellent. Great communication. PROLine worked with me to wade through the MA laws to enable me to register the trailer before I went and picked it up. MA doesn't accept NH temporary plates so I would have been at risk pulling it 130 miles home. I was able to easily make tweaks to customize the trailer to my liking. Once I received the trailer, it was evident you get what you pay for. Want to save money? Go ahead, but IMO you'll get a cheaper trailer
Brackett Tucker
Brackett Tucker
Aug 27, 2018
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I spent six months searching for qualified companies that could create a solid, maintainable, good-performance enclosed aluminum trailer, including looking at (and speaking with) companies as far away as Kentucky.
Eventually, I chose PROLine in Milton, NH, both for their proximity (I am located in northern Massachusetts) and for their responsiveness when I requested a quote.
They patiently handled the several-week process where I add and removed components from the trailer order, then delivered on time, on budget, with a superb product.
After I took delivery, I discovered a couple of minor things
Doug R.
Doug R.
Sep 03, 2017
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About 3 weeks ago I began a search for a 5x8 enclosed aluminum cargo trailer. I spent hours on the internet researching various brands, including various blogs of professionals who rely on trailers. It was soon apparent that there are a number of poorly constructed trailers with a variety of problems (poor welds, leaks, screws backing out, frames bending despite not exceeding GVW.) Early on I learned that Proline Trailers, Virginia, had a number of complaints so I disregarded Proline. Then I learned that ProLine Products, Milton, NH was a completely different company that manufactured and sold
William D.
William D.
May 14, 2017
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Yes, it is as good as it gets, Tom and Aaron and the rest of their crew put out a great product, No pressure, just tell them what your looking for they will tell you the price, if you like it they will build it for you in a reasonable amount of time. Love my new trailer, looks great and tows nice, Very easy to deal with!Thanks again!
Jack N.
Jack N.
Jun 11, 2016
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Unbelievable service! Unbelievable trailer! Aaron and the staff there were awesome to deal with. Very knowledgeable and pleasant. Every inch of my trailer is of the highest quality. I was looking for a simple utility trailer and what they delivered is completely overbuilt. From the Dexter axles, all LED lighting, to the fact that the only exposed wiring on the trailer is the lead to plug into the truck. I would absolutely recommend Proline to anyone looking for a trailer.
Michael V.
Michael V.
May 01, 2014
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The owner of the RV shop I purchased my trailer from gave me the recommendation to have a trailer built here. I wanted the trailer to be able to fit both my ATV and Motorcycle and I did not want to have to play the shuffle game to pull them out. They designed me a trailer with a side ramp that allows me to pull the quad in sideways and back my bike down the ramp! Brilliant! I have owned several trailers over the years but the quality and craftsmanship blew me away! The staff was super friendly and knowledgable and every piece used was of the highest quality! Their original recessed floor/track