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High Angle 

Tipping Silo Semi Trailer that is designed according to the European Pressure Vessels Regulation and customer demands with our own know-how license and production technology, fully conforming to ADR regulations, CE conformity approval for dangerous powders and granules transportation, can be made of aluminium alloy material with wide volume range, geometric structure for quick and easy discharge, single rear discharge alternatives;  proves being intelligent investment with ’’High Angle’’,  full and quick discharge capability of materials carried in different contents while being produced with continuous high performance robotic welding technology. Its reputation goes over the boundaries with its unique design, safe and long life structure that raises the standards.

40 ~ 87 m³

Volume Range


Discharge Funnel

-40 ~ +80 °C

Design Temperature

0,5 ~ 3 Bar

Design Pressure

Power on the Top

Put its users over the top with its advantages, long life and powerful structure designed especially according to the customers’ expectations and needs for the transportation of food and industrial powder granules.

Modular Options

Options of special designed alternative volume, discharge systems and equipment; sort out your job.

Show of Strength

Its style of unique body design, original stand and visual aesthetic against compeers makes it more attractive.

Safe Lightness

We do not underestimate the weight! Carry out the dynamic loads at high volume under the heavy duty conditions with safe weight optimization and without compromising of the ergonomic driving.

Performance Needs Source

Durable body structure together with superior production technology and premium equipment turns the long lifetime into profit.


Automatic opening handrail
Provides ease of use, safety and automatically locks the brake system
Special body design at right angles
Prevents the material from staying inside and provides fast discharging, efficient use of air
Safety valve and manometers
Provides safe pressure control
Grouped, defined and systematic discharge line installation
Provides ergonomic, easily accessible, controlled and fast response
Outputs on the discharge funnel
Pneumatic controlled, ergonomic, interceptible
The longest welding seam technology in weld joints
Safe, smooth surface and unique body structure
Seamless high performance robotic welding technology
Minimizes welding faults on the body due to tension and human factors and secures against impact
Seamless one-piece plates in the body structure
The least number of (T) joints provide high strength and longlife
Homogeneous paint application with advanced technical equipment
Provides surface gloss in varnish quality
Body production in accordance with 97/23/EC Pressure Vessels Directive
CE certificated, safe, national international current legislation compliance
Portable compressor mounting platform
Vibration absorber, Light and Strong
Germany KBA approved 2007/46/EC Vehicle Type Approval
National and International current legislation compliance
Coloured, POLYAMID air hoses
Prevents complexity on installation cables, provides serviceability


Width : max. 2.550 mm.
Height : max. 4.000 mm. *
Axle Distance 1.310 mm *
Wheel Height 1.150 ~ 1.250 mm *
Dead Weight : 5.800 ~ 8.350 kg *
Geometrical Volume : 40 – 45 – 50 – 60 – 87 m³ *
Number Of Compartment : 1 ~ 5 *
Silo Trailer
Category : 4
Aluminum Alloy : Carbon Steel
Transported Materials : Flour, Boron, Soda, soot black and similar food and mining granular materials
Working Temperature : -400C  +800C
Working Pressure : 2 Bar
Test Pressure : 3 Bar
Certification : ISPESL CE (2014/68/EU Pressure Vessels Regulations)

* The product type and optional equipment can vary depending on your choice.

Silo Trailer Body:
  • Gooseneck/ cylindrical section single-output design in accordance with AD 2000 design standard,
  • Unique body structure with safety, smooth surface, with a minimum number of joints (T) points produced by the longest welding seam technology in the welded joints, in the Tipping Silo Trailer production sector, with circular joints in the special trunk construction,
  • ISO 3834 Welded manufacturing quality qualification approved,
  • Using seamless high-performance robotic welding technology, welding faults due to tension and human factors on the body are minimized and secured against impact,
Loading/Discharge Line:
  • Loading Line:
    • Top filling with manhole covers
  • Discharge Line:
    • Rear tipping by hydraulic system,
    • Fast, reducing abrasion, without risk of blockage, direct, extends from the rear discharge funnel with DN 100 discharge piping according to the driving direction rear discharge line and discharge cover,
Air Line Installation:
  • Ergonomic, easily accessible, controlled and fast intervention, grouped, defined and systematic,
  • Controlled in-tank air inlet valve, which allows passage of pressurized air from the compressor into the body,
  • Emergency air discharge valve, which discharges pressurized air in the event of possible danger during discharge,
  • The collector discharge valve, which discharges the air in the collector pipe,
  • The controlled, air-vibration valve, which accelerates the flow of material in the body to the discharge funnels,
  • The material accelerating jet nozzles, which accelerate the material flow in the material delivery line,
Compressor and Connection Platform:
  • Optionally, the preferred compressor,
  • The compressor operation of vibration damping occurs during special wedge is integral with the tray plate, compressor safe connection platform,
  • Suitable for body design, specially drawn "T" profile welded, special design with overturning safety, monoblock chassis with the same features as the body material,
  • Chassis construction parts are manufactured with synergy welding machines by certified welders under the approval of ISO 3834 Welded manufacturing quality qualification with perfect conformity,
Chassis Equipment:
King-Pin : Conforms to ECE R 55 regulation, type approved 2 "or 3.5" demountable king pin
Landing Legs : Each is double speed, 25 ton dynamic, 50 ton static load capacity trailer landing legs
Axles : Axle set with 9 tonnes each, mechanical or air suspension, drum or disc brake
Rims : 11,75 x 22,5 or 14 x 19,5
Tires : 385/65 R 22,5 or 435/50 R 19,5
Brake System : EBS / ABS braking system suitable for ECE R 13 regulation
Electric System: : ADR electrical set suitable for ECE R 105 regulation
Bumper: : Suitable for ECE R 58 regulation
  • At least 2 coats of epoxy primer
  • "OVEN-DRYING" application on topcoat with 2 coats of acrylic paint,
  • Improved technical equipment ensures homogeneous distribution on each side of the body and surface gloss of varnish paint gloss,

OKT TRAILER reserves the right to make changes in the products. Technical information is approximate and is intended for standard product application. The measurements may vary depending on the truck brand and model. The above information is not quoted. If you contact us, you can get more detailed information about the product.