Qingdao O.B.T Manufacture Co., Ltd.
Main products:Axle,Self Steering Axle,Mechanicial Suspension
Contact Us
  • Contact Person : Ms. SONG LISA
  • Company Name : Qingdao O.B.T Manufacture Co., Ltd.
  • Tel : 86-532-88960928,13589321510
  • Fax : 86-532-88965052
  • Country/Region : China
  • Zip : 266000

Tridem Trailer third steering axle

Tridem Trailer third steering axle
Product Detailed
Self steering series air suspension 1> Track SP :1960 2>Spring Center FM :920/1280 3>Capacity:5T

Air suspension  

OBT truck air suspension features:

1.Apply European advanced air suspension design manufacture technology.

2.Use world famous company parts such as air bag absorber and air link;

3.Serious air suspension types;

4.Complete air suspension solutions including air circuit.


 truck air suspension axle-lift series

axle beam:square 127mm,150mm ,circle 127mmaxle load:9T,12Ttruck air suspension



Technical Parameters
ModelAxle typeMax.Capacity (105km/h):Track SPRecommended tyreBrake SizeWheel fixing
Single tyreSL RMA10410S10000kg2040/2150mm385/65R22.5SN420x180ISO 10/280/335/M22x1.5
Twin tyreSL RPA12410S12000kg1840/2250mm12.00R20SN420x180ISO 10/280/335/M22x1.5


1. air suspension load : 9T-12T

2. certificate : ISO/TS 16949

3. with the lifting system and without lifting system

4. wheel center distance : 2060 mm

5. fatigue testing and built to meet or exceed national industry standards .

we produce German/American type axles and parts for sem-trailer,sold to both home and abroad for nearly a decade-long.



1.German spindle design which is the widely used in the industry with proven performance2.Low-alloy machined spindles, friction welded seamlessly, and overall heat treating process3.Axle stubs and brake hubs are all mould forging, ensure they are more powerful and better steady4.Special clone-shape design on the axle-shoulders, lessening stress concentration and enhancing anti-fatigue performance5.Unique design on axle stubs (with a precise declination angel at both ends) to minimize tire wear6.National and industry standard compliant set components7.National Automobile Monitor and Inspection Center certified axle shaft that undergoes over 1.2 million times of Fatigue testing and built to meet or exceed national industry standards.



Tridem Trailer third steering axle

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