• Williams Engineering 20M Boat Dolly
  • 20M Boat Dolly
  • 20M Boat Dolly
  • Williams Engineering 20M Boat Dolly

20M Dolly


With a total holding capacity of 20,000 lbs. per pair these dollies are able to support most boats. The 20M dolly has a heavy duty steel design allowing it to not be damaged under a heavy load. Our removable pins make adjusting this dolly to fit your boat a simple process.

  • Frame extends & retracts in 3" increments
  • Uprights extend & retract in 2" increments
  • High gloss black powder coated finish
  • Rugged cast iron, polyurethane mold
  • low profile - approximate 1 1/2" floor clearance
  • All weather polywood bunks
  • Heavy duty casters bolted in all 4 corners
  • 8" x 3" polyurethane on cast iron wheels 
  • Heavy duty 3 1/2" sq. structural steel - tube frame construction
  • No assembly required
Description Specification
Item Weight 320 lbs.
Max Capacity 20,000 lbs. Per Pair
Product Dimensions 32"Wide - Bunk Heights Adjustable / Bunk Widths Adjustable
Model 20M
Shipping Shipped on a Pallet / No Assembly Required
Bunk Height Range With Bunk Flat (Measurement is Floor to Top of Bunk) 29.5" (Lowered Position) 37" (Extended Position)
Bunk Width Range (Measurement is from Outside of Bunk to Outside of Bunk) 65" (Closest) - 89" (Furthest)

How to place an order

The best way to order is to call (888) 338-5439 during regular business hours. If you are unable to do so you may fill out the form under the “contact us” page and we will process your order as soon as possible.