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Open sided semitrailer

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Open sided semitrailer is a semitrailer without tilt superstructure, but with aluminium boards. This type of semitrailers is designed for transportation of various cargoes, including cargoes for construction purposes and the metal products that do not require protection from the weather. If your profile is carriage of such cargo, then you can buy a new semitrailer with flatbed, open floor which is made of plywood just calling the sales Department of the factory. This semitrailers are produced by the Grunwald Company since 2007.


  • designed jointly with German technicians
  • reinforced frame design
  • side members made of Swedish high-alloy steel are welded from both sides and keep elasticity at low temperatures
  • aluminium sides and front wall
  • floor made of moisture-resistant plywood
  • welding is fulfilled in the argon atmosphere that makes the welded joint to be resistant to low temperatures



Welded frame of reinforced design made of longitudinal side members and cross members. The outer frame profile has the brackets for cargo fastening and fixing.  Aluminium drop sides, 600 mm high (or without sides). Rear safety bar according to UNECE Regulation No.58.01, two side underrun guards according to UNECE Regulation No. 58.01, two side underrun guards according to UNECE Regulation No.73.00. Mechanical two-speed landing gear.


WABCO or BPW pneumatic suspension with ability of platform raising and lowering, axles of BPW company, special reinforced design of axles, springs, shock-absorbers and air bellows for Russian road conditions, the second axle is equipped with EBS sensors (ABS).


7 wheels (including spare one) with wheel disks 22,5х11,75
STANDARD specification – tires 385/65R22,5

A system of telematics T-Control is installed at all semitrailers in the configuration with BPW Axles. The system is able to track the location of a semitrailer, axle loads, speed, mileage, brake system, the status of the cable EBS.



Pneumatic, dual-line with BPW or WABCO pneumatic valves, brakes of drum or disk type, EBS, ABS – antilock brake system, diaphragm brake chambers, semi-automatic spring-actuated parking brake system for the brakes of the second and third axles, combined release valve.


Two-wire system, 24 V operating voltage, explosion-proof design, rear five-chamber lights with integrated trigonal reflector, 2 licence plate lights, 10 side position lights, 2 front position lights. Without connecting cables with the tractor.


The painting is carried out according to the technology of the European manufacturers of truck tractors by means of the industrial class equipment with high quality painting materials. All the other steel parts undergo shot-blasting treatment and are coated by primer before painting. Side protector is made of anodized aluminium shape of silver color, wheel disks are silver-colored.


  • 2 wheel chocks with holders;
  • 2 rear rubber bump stops;
  • 2 front and 2 rear half mudguards;
  • cradle for two spare wheels, holder for one spare wheel;
  • tool box with a lock;



  • Height increase of the fifth wheel
  • Installation of the specific component parts
  • Installation of the front lift axle
  • Additional strengthening of the structure
  • Documents box
  • Fire extinguisher box



Grunwald semitrailers are certified by Committee of the Russian Federation for Standardization, Metrology and Certification in accordance with the latest UNECE Regulations.


Warranty period for a semitrailer is 12 month from the date of its sale, for axles – 36 months. Should the EBS brake system of BPW company be installed, the warranty for the axles is extended up to 5 years.