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Super C

Dynamax DX3 37RB

You need a space at least 43′ 9″ long.

At RV Storage Depot that’s a 10×45 space.

Specs

Length
40′ 9″overall
Width
8′ 5″
Height
12′ 8″as listed
Dynamax DX3 37RB in a 10′ by 45′ spaceTop-down drawing to scale. The vehicle is 40′ 9″ long and 8′ 5″ wide, leaving 4′ 3″ of length.40′ 9″45′ space4′ 3″ spareWidth 8′ 5″ · space 10′ wide
To scale: your rig in a 10×45 outdoor valet space.

Outdoor self-park fits most trailers

Most travel trailers and smaller motorhomes do fine in a secured outdoor space. If roof seals and tires matter to you, ask about indoor valet.

Where to store it

  1. Irvine, CA

    Outdoor Self Parking12×48Available

    Fits comfortably. 7′ 3″ of length to spare.

    3′ 7″ beside it.

    Availability as of 2026-10-26, approximate.

  2. RV Storage Depot – Norwalk facility

    Norwalk, CA

    Outdoor Valet10×45Only 2 left

    Fits, tight on length. Back in slowly and confirm your exact length with the office before booking.

    1′ 7″ beside it.

    On the next page, find 10×45 and tap Select. Then choose Outdoor Valet at $450 a month. The first card there may show a different parking label. The tier you choose sets what you book.

    Availability as of 2026-10-26, approximate.

  3. McClellan Park, CA

    Indoor valet only here.

    Indoor Valet10×45Full right now

    Fits, tight on length. Back in slowly and confirm your exact length with the office before booking.

    1′ 7″ beside it. Height isn't a limit for indoor storage here.

    Availability as of 2026-10-26, approximate.

  4. Altamonte Springs, FL

    Outdoor Self Parking11×45Available

    Fits, tight on length. Back in slowly and confirm your exact length with the office before booking.

    2′ 7″ beside it.

    Other ways to store it here
    • Indoor Valet: 10×45

    Availability as of 2026-10-26, approximate.

Reserve opens RV Storage Depot’s checkout: no call needed.

Keep reading

How we sized it

  • Length needed: 40′ 9″ (manufacturer’s overall length) + 3′ to back in and close up = 43′ 9″.
  • Width: 8′ 5″. A width up to 8′ 6″ never rules out a space. Over 8′ 6″, call to confirm.
  • Indoor: height + 1′ must clear the indoor door listed for the space.
  • Specs: Dynamax published specifications, checked 2026-10-19.
  • Vehicle Storage Size Guide methodology
  • Last updated 2026-10-21.

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