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D-737AA-12 Long without the Middle Pillar

AGRO Vehicles - Agricultural Trailers

Zasław agriculture trailers are reflection of needs and understanding for the customer. While designing we demonstrated commitment by taking into consideration users’ needs on which a valuable product was built. Our modern trailers are intended for transport of various materials, in particular agricultural produce where precise tightness is required.

Our innovative trailers are marked by: well-equipped standard versions, high loading capacity of box-bodies and bodywork tightness (without gaskets). Frame is made of double-T beam and the box-body floor is made of one piece of 5mm thick metal sheet. Tarpaulin is rolled out in 4 seconds, front wall is made of one piece of 3mm thick metal sheet, it is reinforced with bars and it is equipped with window for the operator as well as central platform, innovative system of connectors, central locking lever with intelligent force regulation of tightening, and a range of other amenities which makes the work with Zasław trailers comfortable and ergonomic.

The 12t trailers in long version without middle stake are marked by 5210mm box-body length which significantly increases the surface of the box itself which enables transport of loads of bigger dimensions. It is also significant that the vehicles have low total height (2.65m) which facilitates loading with front loaders and low combine harvesters. An interesting option that can be offered with this model is spring support of opening the dropsides which significantly decreases the weight of a lifted dropside. The lack of middle stake in the trailer facilitates unloading materials which tend to get stuck like manure or silage.


Gross Vehicle Weight17000 kg
Loading capacity12 000 kg
Own weight4 400 kg
Loading volume15.2 (m3)
Internal length of box-body5210mm
Internal width of box-body2420mm
Vehicle height2650 (2900)mm
External length7 630mm
External width2 550mm
Platform height from the ground1 390 mm*
Dropsides height600+600 mm
Hitch height from the ground940 mm
Number of axles2 pcs.
Tyre size385/65R22.5
Wheelbase2000 mm
Approval speed40 km/h
* tolerance 0.5%


Front wall made of one metal sheet with inspection window (sheathing thickness 3mm)
Colour of box body to choose from RAL - 3004 (claret), 6002 (green), 2004 (orange)
Folding steps on the front wall
Dual-circuit pneumatic braking system with automatic brake force control
Hand brake
Parking brake - diaphragm actuators
2 axles, mechanical suspension
Drum brakes
Tyres 385/65 R22.5" (new, not reconditioned)
Steel wheels
Approved for 40 km/h
12-volt electrical system
Hydraulic cylinder with hydraulic shut-off valve at maximum box-body tilt of 50⁰ to the rear, 45⁰ to the sides
Chute window in the rear side with waterproof cover to prevent water from entering the interior
Floor reinforced with 5 mm thick steel sheet
Cargo box-body made in a sealless system
Seal between the dropsides to prevent water from entering the interior
Side boards, 600x600 mm high, 2.5 mm thick steel sheet, openable and tiltable side boards
New system of side boards connection, chain linking the side boards on the upper side
Front wall made of one metal sheet with inspection window
Pneumatic, electrical, hydraulic socket for the second trailer
Triangle for slow-running vehicles
Central locking lever with variable arm length for improved locking ergonomics
Front wall, middle and rear posts detachable
Screwed central locking mechanism - 8 bolt hooks
Parabolic springs
Frame made of I-beam, shot-blasted and then painted with primer and varnished in RAL 7021 or galvanized at choice
Drawbar eye Ø 40
Bumper serving as casing for the rear lamps, adjustable
Line securing the body
Wheel chocks - 2 pieces
Y-type drawbar
Wheel spanner and warning triangle
* tolerance 0.5%


Tarpaulin with frame
Working platform on the front wall
Spare wheel
Spare wheel winch
Automatic rear hitch with wide flange
Automatic rear hitch with narrow flange
Swivel rear hitch
Non-standard colour
Right (or left) side chute
Axles and suspension up to 60km/h
385/65R22.5 Pirelli wheels
425/65 R22.5" wheels
385/65R22.5 Delcora wheels (ground contact width 360 mm)
Rear halogen lights
Tarpaulin for vegetable inside box-body
Side underrun guards
Long mudflap with Zaslaw logo for rear bumper
Mudflaps for wheel mudguards 2 pcs
Spring support system of opening sides
Water tank
Tool box
Side boards height 600/ 800 mm

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