4-Rung 20" Wide Aluminum Lifting Dock Ladder is manufactured from marine grade 6063 T-5 aluminum.
The durable rounded tubing provides a secure grip with 4” wide tapered steps that add a level of comfort on bare feet. This ladder offers effortless installation and removal for winter storage.
*Dimensions shown here are illustrated on the 3 rung wide lifting ladder.
4 Rung - Total Ladder Height: 70.5” Length Mount Down 49.5” Width: 20” Step Height: 12” Step Depth: 4” Handle Depth: 14” Weight: 23 lbs.
Retractable ladder slides up above the waterline.
Anodized aluminum.
Skid-resistant rungs.
750 lb. capacity.
This item generally ships standard Ground via USPS, UPS, or FedEx.
Product Number: TD-40259
UPC: 724785402599
Great for seawalls and stationary docks.
Double ring locking mechanism for stability.
Robust aluminum construction for strength and longevity.




Assembly And Installation Instructions For Many Of Tommy Docks Products Are Available For Download.
Video Guides Are Not Available For Every Product. However, Our Video Library Is Constantly Expanding. If You Have Questions On Assembling Or Installing Your Dock, Please Contact Our Customer Service Team.

Frequently Asked Questions
We suggest 1/2" bolts for mounting.
No. The wave action will cause undo stress on the ladder if it is stuck in the lake bottom.
We do not sell pieces separately. We do not stock them at our facility so no extra parts are available usually. We are able to check with the manufacturer however, if parts are needed, on a case by case basis. The process is to reach out to us with your order number at info@tommydocks.com to check on replacement parts.