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MaxLoc 9'-12' Adjustable Crossmember Assembly

Manufacturer: Max Dock

Model: MLC009-12

Series: MaxLoc

Item Type: Dock - Hardware

Material: Aluminum

Designed to Fit: 9'-12' Dock Frame

Our regular Price: $429.00

MaxDock 9' to 12' Adjustable MaxLoc Dock Crossarm Assembly with Center Support Column 

The MaxLoc adjustable crossarm assembly is easy to install and adjust. This is one of the strongest cross arms for freestanding docks on the market today.  Constructed of a 2"x4" aluminum extrusion it features a solid anodized aluminum end clamp and one pre-attached stringer connection plate as well as a bracket for directional change in support configuration. The end clamp tightens around a 2" OD dock post with the use of a 5/16" hex wrench. Once tightened, this cross arm will not move!



  • VERY STRONG 2" x 4" Aluminum Extrusion Crossmember
  • Post clamps provide 360 Degree Even pressure
  • End clamps tighten around a 2" OD dock post with the use of a 5/16" hex wrench
  • Once tightened, this cross-arm will not move!
  • Pre-Attached Aluminum Stringer Plates
  • Includes center support column (requires 2"OD post and base pad, sold separately) 



The MaxLoc complete cross member makes dock height adjustment simple and quick. Only requiring a single hex wrench to adjust the height while providing a secure fit. 


To create a complete dock support, you will need to add the following;

  • One - MaxLoc 9'-12' adjustable cross-arm assembly with integrated cross-arm clamps and stringer brackets
  • Three - 2" OD vertical dock posts (choose the correct length for your water depth)
  • Three - standard base pads, large base pads or  Two dock post augers and one base pad




Dock Base PadStandard 8" x 8" aluminum bottom plates work well in sand and other solid lake bottoms. Not recommended for extremely deep mud or muck.



Large Dock Base PadLarge 14" x 10" aluminum bottom plates provide a larger footprint for the leg and works better in area with softer lake bottoms, may not work well in extremely deep mud or muck.



Dock AugerDock Augers are recommended from supports that will have boats or watercraft tied to it. Augers make installing the support more work than using just bottom plates. The auger helps to anchor the dock to the lake bottom. You can also use a combination of base pad and auger for maximum support.



  • Tracking information will be provided via email when the shipper catalogs the pick-up.
  • You can estimate your shipping charges by adding the item to your cart and entering your zip code into the shipping calculator.
Manufacturer: Max Dock
SKU: 66-11158
Base Group
Product MPN: 66-11158
Model: MLC009-12
Series: MaxLoc
Quick Info
Section Width: 9'-12'
Design: Crossarm Assembly
Style: H-Frame, Platform
Fasteners: Stainless Steel
Middle Legs: Yes
Item Type: Dock - Hardware
Material: Aluminum
Part Type: Dock Crossarm
Designed to Fit: 9'-12' Dock Frame
Frame Spec
Frame Material: Aluminum
Support Spec
Includes Legs: No
Mounting: Bolt On
Fits Post Size: 2" OD
Stringer Distance Adjustable: Yes
Manufacturer Info
Manufacturer Website:
Typically Ships: 7-15 Business Days
Shipping Method: UPS/FedEx
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Phone: 866-942-6349

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