2"inch to 3.5"inch Converter Adapter for Semi Trailer Tractors King Pin
Exquisite casting and forging process.
Description of kingpin | 2" 3" 50# 90# welding type; Bolt-type |
OEM service is Ok, including JOST type, YORK type, BPW type etc.
Forged in the 40Cr,20CrMnTi alloy constructional steel.
Full test before shipment.
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