How to Identify Your Vintage Trailer

Owning a vintage trailer is like holding a piece of history, but identifying its make, model, or year can be a challenge. If you’re struggling to determine the identity of your trailer, here are some tips to help you along the way.

Start With the Serial Number

Vintage trailers were issued serial numbers (not VINs like modern vehicles), and these can often provide clues about their origins. Look for the serial number in these common locations:

  • Tongue Rail: Most often found on the passenger side, on top of the rail. Sometimes, it might be on the driver’s side or along the side of the rail.
  • Hidden Under Paint: If it’s not immediately visible, use a paint remover or sand lightly to uncover it.
  • Inside of the Door Jam: Spartan trailers have a distinct plate riveted inside of the jam. I have seen other trailers with them in the jam or even on the door (on top).
  • A plate riveted onto the trailer. Numbers are stamped into the plate.
A plate riveted onto the trailer.
A 1955 Spartan Manor

Decoding the Serial Number

Vehicle Identification Number (VIN) formats weren’t standardized back in the 1950s and ’60s’; some serial numbers may tell you the make, year, and even production sequence of your trailer.

For example, I had a trailer with the VIN: MR 57 25 123

  • MR = Monterey (the manufacturer)
  • 57 = Year (1957)
  • 25 = Length (25 feet)
  • 123 = Production number

Keep in mind that not all serial numbers will follow this structure, and some might not reveal much beyond a production sequence. Vintage trailers can be as short as four numbers and will not contain details like original paint colors etc.

Post a Picture Online

Still stumped? Sharing a photo of your trailer with the vintage trailer community can be incredibly helpful. Post a clear picture of your trailer on the Vintage Camper Trailers Facebook page, where thousands of enthusiasts can lend their expertise.

Additional Resources

For more information, check out these helpful resources:

Online Research Tips

While serial numbers provide a solid starting point, exploring online forums, manufacturer archives, and vintage trailer groups can help fill in the gaps. Search for trailer brands that match your serial number prefix or unique design features.

Identifying your vintage trailer might take some detective work, but the process is a rewarding journey through history. Share your findings, connect with other enthusiasts, and enjoy the adventure of restoring and celebrating your piece of Americana!

3 thoughts on “How to Identify Your Vintage Trailer

  1. Hello, I have according to the title, a 1974 Arora camper trailer VIN# CGDRR2000S30861. No other info and the DMV couldn’t give me anything? The Idaho plate outside the door is this, ID: CGDRR-2000, S:3086-1, PA: 15926, Plg: X, Htg: X, El: X, RV: 38856 and R: is blank. Notice that the VIN is the ID digits and S digits, S is included in the VIN. There is a name plate on the back that says Road Ranger. I don’t know what the weight or length is suppose to be considered? I have been able to find out that it is a 1074 Kit Road Ranger, but title says Arora and I cant find anything on that? It has 2 axles. Can you decipher anything from the ID plate or VIN? Or direct me to who can? Thanks so much. I have completely restored this camper.

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