THE FORTRESS EXTREME Born from the original Tandem Axle Tool-shed the Fortress Extreme is the solution where a good range of storage options are required. The Fortress Extreme is designed with a significant amount of shelving, large drawer space, storage for straightedges, levels and tracks, a pull-out workbench and tandem level roof-rack capacity.

A tandem axle solution that has proven itself to be robust and able to handle large loads.



Fortress Extreme

TARE 1250kg (without options)
GVM 2500kg
PAYLOAD 1250kg
SIZE 4300mm(L) x 2125mm(W) x 2080mm(H)


• Hot dip galvanised and powder coated heavy duty RHS chassis
• Precision CNC laser cut zinc anneal body sheets – fully powder coated
• Tandem level roof rack system
• Stone protection plates to front and foot treads all round
• Waterproof automotive seals on all doors
• Quality gas struts on all opening doors
• Fittings (bolts, nuts, washers, screws and pop rivets) are all stainless steel


• 6 leaf suspension
• Solid 50mm square axles (rated 3.5 tonne)
 12″ Electric Brakes with Elecbrakes Controller included
• 5 x 15” mag wheels (spare included)
• Premium jockey wheel
• 2,500kg tow coupling to suit 1 ⅞” ball with handbrake


• RHS (viewed from rear) front storage box with pull out bed-slide suitable for generator or fridge/freezer 715mm(D) x 540mm(W)
• 3 Tier Shelving storage in RHS main compartment
• RHS front storage box includes small shelf above generator/fridge/freezer space
• LHS (viewed from rear) main compartment is an open space with a pull-out self-supporting workbench. Workbench is 1845mm(W) x 690mm(D)
• LHS front storage box includes 2 drawers located below a single shelf. Drawer sizes 600mm(D) x 550mm(W) x 230mm(H)
• 2 x large rear slide out storage drawers 1 x 2030mm(L) x 550mm(W) x 220mm(H), 1 x 1115mm(D) x 575mm(W) x 220mm(H)
• 3 Tier Shelving in rear compartment each 195mm in depth. One rack for glue and silicon tubes etc
• Straight Edge and Level Storage location 2700mm(D) x 445mm(W) x 140mm(H)
• All storage compartments are lockable with a single key (rear drawers have a separate key)


• Full LED lighting to all internal compartments all individually switched
• 2 x 100A/H batteries
• LED tail lights with reversing lights
• Side running lights
• Include “USB and 12V Output sockets”