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The all new premium truck deck system for hauling sleds, atvs & utvs

Where design, meets excellence

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The secure design of the Mammoth™ deck ensures your loved items are protected from theft.

All of your possessions can be locked in your cargo box.

With your truck's tailgate locked & closed, your ramps and cargo are fully secured


The Mammoth™ Deck is adjustable to fit on all full-size pickup trucks.

Our base has full height adjustment to fit almost all makes and models.

8' Decks fit into long box trucks, and short box trucks.

7' Decks fit into short box, trucks (6', 6.5')


Every part of our fabrication and welding process is done in North America.

Off-shore fabrication and assembly is not an option for us due to our high quality standards.

Heavy duty aluminum construction means our products are lightweight, and very durable.


Your safety is our top priority.

All of Mammoth's parts and components have been tested to ensure you have nothing to worry about.

After all, we use these systems every day as well.


✔ Made in North America

✔ Aluminum construction

✔ Durable powder-coated finish

✔ Telescoping slide-outs to extend width of deck

✔ Amber LED Marker Lights

✔ Red LED brake & tail lights

✔ Red LED signal lights

✔ White LED loading flood lights

✔ White LED undercarriage flood lights

✔ Manual toggle switch for flood & loading lights

✔ Polyboard® composite decking

✔ Street legal in Canada and the USA

✔ Can still tow a trailer behind the deck

✔ UHMW bushings on slide-outs to ensure easy moving

✔ UHMW inserts on ramps to ensure easy telescoping

✔ Lighting features connects to 4-pin trailer plug

✔ Height adjustable legs

✔ Easy assembly & installation

✔ Universal fitment

✔ L-Track equipped for thousands of different cargo securing combinations and aftermarket accessories.

✔ Fits any full-size pickup truck with a long or short box

✔ 10-1/2' telescoping ramps installed with Ultra-wide super glides

✔ Safe to use, tested for years and trusted by many

✔ Detaches from the truck in under 5 minutes

✔ Extremely heavy-duty & durable product

✔ 7' & 8' Long models available

✔ Lots of cargo storage underneath the deck

✔ Telescoping ramps & cargo lock behind the tailgate

✔ Non-permanent installation

✔ Warranty guarantee

✔ Add-ons available such as extensions, UTV risers, and more.

✔ Unique "round" design unlike any other deck on the market

✔ 2021+ models compatible with our telescoping extension


Side-load up to two full-size ATVs on the front and rear of the deck

Haul one full-size golf cart on the middle of the deck

Carry one full-size 2-seat side-by-side with the UTV riser attachment.

Transport up to two full-size snowmobiles with the deck's slide-outs extended

Sleek Look

A noticeable design separates us from our competitors. 

We are the only deck on the market with a sleek, smooth, and radius' profile that just "flows".

Sleek look sled deck
Beautiful ramps for sled deck

Beautiful Ramps

Our ramps are stunning.

Extended Size: 50" x 10-1/2'

Aluminum ramps come installed with ultra-wide SuperGlides™ to ensure a save ride up. These work great for sleds, ATVs, and side-by-sides.

Ramps can be powder coated for an additional charge.

Powder Coated

Quality is everything. Our decks are fully sandblasted and powder coated in-house with top of the line equipment.

Unlike paint, powder coating will last for many years to come without chipping, scratching, or weathering.


All of our decks come with white, amber, and red LED marker lights which interact with your trucks signal lights, brake lights, and running lights.

Underneath the deck is illuminated with three powerful LEDs, as well as the surface of the deck. This makes it even better in the dark.


This is the only deck on the market that uses a Polyboard® composite surface.

It's eco-friendly as it's made form recycled materials, and it will withstand all of the elements.

Water-proof, weather-proof, decay-proof, UV resistant, freeze-thaw proof, and indestructible.


Each deck is equipped with slide out width extensions that allow your deck's surface area to expand, or contract to your cargo.

It's as easy as removing a pin, and giving it a pull. Up to two snowmobiles can be hauled at once.


Weather stripping can be added around the bottom side of the deck frame to make your cargo box weather proof (DIY).

Say no more to having snow, water, mud, and other debris contaminate your precious cargo.


L-Track is outfitted on each side, and the middle of the deck surface.

This is the ultimate method of cargo securement, allowing thousands of different locations and options for tie-downs, cargo nets, Super Clamps™, and so much more.


The most simple, yet useful deck extension on the market.

We've been working around the clock to design a beautiful extension, that is universal, compact, durable, and cost effective.


We have all sorts of add-ons that can be added to the deck system. 

UTV risers, Super Clamps™, rear extensions, and more to come.


The deck is made from ​aluminum, not steel.

This means it's lightweight, as well as extremely durable.

Our 2021 and newer models are compatible with the new telescoping deck extension w/ bridges kit!

✔ 100% aluminum construction


✔ Thick wall aluminum pipe (schedule 80)

✔ 3 different length presets

✔ Telescoping width rear bar to load anywhere on the deck when slide-outs fully extended

✔ Heavy-duty bridges for UTVs, ATVs, and snowmobiles

✔ SuperGlides pre-installed on crossbars


✔ Rear bar supports Mammoth deck ramps

✔ Bridges store on top of ramp in ramp hanger

✔ Made in North America

✔ Compact Design

8-1/8” 12” 79-1/2” CLOSED98-1/2” OPEN
48-1/2” 12-1/4” MD-3000 = 84”MD-4000 = 96”
12’’ MD-3000 = 95” MD-4000 = 107’’

Telescoping Ramps (Closed)

Telescoping Ramps (Open)

Can't find a dealer near you?

That's not a problem. If there is no dealer in your area, we will sell and ship directly to you. Contact us for more information.

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Mammoth™ decks are rated for 2,200lbs spread evenly across the deck's surface. Ensure your vehicles GVWR and towing capabilities are sufficient to haul your cargo.




This deck system is suitable for short box pickup trucks. Equipped with easy slide out extensions, it can expand to 8"6" wide.

This deck system is suitable for long box pickup trucks. Equipped with easy slide out extensions, it can expand to 8"6" wide.

Truck Box Size


Truck Box Size

6.5', 8'

Product Weight


Product Weight


Product Capacity


Product Capacity


Required Parts


Required Parts


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