Pro-Line Flattop Trailer 3521 X4 4.2×2.1m


Part of the Maxi-Load series. A strong model with standard total weight of 3500 kg and payload up to 2799 kg. Distinguished by having a fully welded and hot-dip galvanised chassis with extremely high strength and leaf springs ensuring top-quality suspension and driving characteristics. Alusides with integrated closure system, powerful inner lashing eyes folded into the frame and jockey wheel for easy towing. Equipment that makes them very suitable for the demanding craftsman. Big bonus of ADR certified mechanical overrun braking.

For Specs, see “Product information ”

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Product Code

3521 X4


Commercial Box Trailers, Maxi-Load, Pro-Line Series

Internal Dimensions (LxWxH)

415x205x35 cm

Total Dimensions (LxWxH)

587x210x98 cm

Tare Weight

701 kg

Total Weight (ATM)

3,500 kg

Loading Height

62 cm


13", 4 Wheels, 5 Studs


2 Axles, With Brakes

Opening / Detachable Sides

All 4 Sides

Side Material


Floor Material

Phenolic Plywood 18mm

Lashing Rings

10 Hooks

Other Included Features

13 or 7 Pin Plug, Ball Coupling With Inbuilt Lock, Detachable Corner Posts, Ramp Drawers

Optional Extras

Aluminium Floor Material, Cage Grill Sides 60cm, Driving Ramps 2000kg 250cm, Extra aluminum sides open – 35 cm, Flat Tarp, Front Stand, Led Headlight Set, Standard Spare wheel With Fittings, Support Legs / Prop Stands x2, Tarpaulin Bracket, Tool Box – Undermount, Trailernet, Wheel Change to 14" High Profile, Wheel Shock Absorbers All Wheels

Rough Size In Feet


Optional Extras Available With This Model:

Flat tarpaulin
Trailer net
Extra dropsides – 35 cm
High tarpaulin – 175 cm
Net grid – 60 cm
Front stand – 70 cm
Aluminium floor
Toolbox, mounted below the floor
Dropstand, 2 pcs.
Standard spare wheel with bracket
LED light
Wheel shock absorbers (all wheels)
Wheel change to 14″ high profile (all wheels)
Ramps 4 t/250 cm at 10″ or 13″ comp.
Ramps 4 t/250 cm at 14″
Tarpaulin rod


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