Warner Bodies, Inc. Utility/Service, Fire/Rescue, Custom Trucks About Markets Connect Quality/Warranty Find a Distributor


The Flexmark is designed with an emphasis on maximizing functional storage without compromising towing ability. With large front compartments and flip top boxes, the storage capacity of the Flexmark can accommodate tools or gear for the job site or the weekend warrior. The Flexmark maximizes towing ability by combining a turnover hitch in the loadspace with a rear receiver hitch to deliver 30,000 pounds of unprecedented towing capacity.
View literature for Flexmark


  • B&W turnover combination hitch allows both fifth wheel hitch and gooseneck towing
  • Combination of bulb-type door rubber and compression opening latches provide watertight compartments
  • Flush-mounted doors give superior look and increased security
  • Two light kits provide added visibility and better look when not towing
  • Gas shock door props hold doors in place
  • Two extra large compartments and flip top compartments combine to provide maximum storage capacity
  • Receiver tube at rear of body provides additional towing capabilities.
  • A60 Galvanneal steel or aluminum construction provide superior rust resistance

Popular Custom Upgrades Available for the Flexmark

  • Brake controllers
  • Compartment lighting
  • Aluminum floor overlay
  • Bedliner floor overlay
  • Fifth wheel companion
  • LED light kit
  • Through-box between front compartments
  • Tie downs in floor
  • Window guards
  • Billet style fuel fill with door


Steel Construction

Aluminum Construction

Stainless Steel 304

Double-panel doors

18-gauge galvanneal .090 smooth


16-gauge galvanneal .125 smooth

Roof material

16-gauge galvanneal .125 smooth

End panels (front and rear)

16-gauge galvanneal .125 smooth

Compartment walls

16-gauge galvanneal .125 smooth

Hinge rod

5/16" Stainless steel 5/16" stainless steel

All galvanneal steel

A60 coating N/A

Additional Photos

* Specifications, features and equipment shown for these models are based upon the latest information available. Warner Bodies, Inc reserves the right to make changes at any time, without notice, to features, eqiupment, options, price, colors, specifications, accessories and materials. For additional information, please contact your authorized Warner dealer. Some vehicle images may show optional equipment and vehicle colors not available.