Pro-Line Box Trailer 3521 P6 – 3,5000Kg – 6.15 x 2.05m


Large flatbed box trailer for sale-3.5t,6.2m long Trailer Model 3521 P6, Flat bed Trailer. Ramps available.

Dual Axle trailer with 6.15m long box and 2,680kg, 12.6m2 payload capacity. Perfect for the building, construction, agricultural and excavation industries. Fully hot dipped galvanised chassis for durability and longevity. Polymer wax protective coating.

As a Danish concept, Variant sets design standards in Australian trailer engineering quality, new sizing – return on your trailer investment. The resulting longevity of quality trailer components will continue delivering service for years to come. Flat bed trailers & bases from 1.5m to 6.2m long, Weatherproof plywood or steel floor widths from 1.4m to 2.5m wide. Low tare & strength – hot-dip galvanised chassis. Federally approved mechanical overrun brakes. No electric control. Emergency breakaway, independent handbrake, sealed for life bearings, auto reverse drum, grip-fit hinges. Ideal trailer option for multi pallets, large goods, companies with multiple vehicles, fleet and hire.


Variant flat bed Pro-line box, trailer for sale with aluminium sides. Trailer Model 3521 P6, Flat bed Trailer. Ramps available.

35cm double profile aluminium sides – fantastic business marketing panels. Rubber torsion independent suspension. Low coupling weight, balanced centre of gravity load trailer. Designed for towing not dragging. Built into frame tie down brackets -either side.
Full RVS approved with ADR approved mechanical overrun brakes and emergency breakaway cable – no electric control needed.

Two-year warranty, full-service support.

Optional Extras Available With This Model:

Extra alusides open up. 35 cm- Increasing trailer load with additional space.

High Tarp with Inside Framing 210cm- Increase enclosed trailer space with strong welded frame and transverse bracing.

Aluminium Floor- Increase trailer life and provide a non-slip flooring.

LED light kit incl. control box- Trailer light replacement kit.

Shock absorbers (excl. Approved)- Smoother towing of trailer with these to absorb or dampen the compression and rebound of the springs and suspension.

Ramp 4t 250cm v / 13 “K -Easy loading and unloading of heavy items with high level of quality and even access in trailer.

Ramp 4t 250cm v / 14 “- Easy loading and unloading of heavy items with high level of quality and even access in trailer.

Front stand- Mounted in the corner posts for lashing items securely.

Toolbox mounted below floor- Built in lock for storage of small items such as tools or straps.

Wheel change to 14 “high profile- Raises trailer deck by approximately 80cm.


For additional trailer information, see the “Specifications” section above, or the Variant Trailers website.

Variant trailers are designed and manufactured in Denmark with maximum quality and strength, sometimes the trailer for sale may not be one of the trailers in stock. We pride ourselves with the finest of quality & crafted galvanised trailers for sale, that will suit your needs with designs to meet your trailer requirements. When searching Google or Bing- trailers for sale, think robust, tough, capacity, weight, ease of use and towability, for maximum return on your investment. Contact us to order your trailer now!

Additional information

Weight5 kg


Product Code

3521 P6


Commercial Box Trailers, Pro-Line Series

Internal Dimensions (LxWxH)

615x205x35 cm

Total Dimensions (LxWxH)

754x210x100 cm

Tare Weight

820 kg

Total Weight (ATM)

3,500 kg

Payload Capacity

2,680 kg

Loading Height

60 cm


13", 5 Studs, 4 Wheels


2 Axles, With Brakes

Opening / Detachable Sides

All 4 Sides

Side Material


Floor Material

Phenolic Plywood 18mm

Interior Tie Down Anchor Points

10 Hooks

Other Included Features

13 or 7 Pin Plug, Jockey Wheel, Ramp Drawers, Removable Corner Posts

Optional Extras

Aluminium Floor Material, Driving Ramps 4000kg 260cm, Extra Height Opening Steel Sides 35cm, High Tarp with Inside Framing 210 cm, Ladder Rack 70cm, LED Lights Kit with Control Box, Shock Absorbers, Support Leg In The Back x1, Tool Box, Wheel Change to 14" High Profile

Rough Size In Feet


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