This Technical Bulletin is for some Oshkosh S-Series Front Discharge Concrete Mixer trucks that are fitted...
Oshkosh technical service bulletin TB-H807-REV C for 2008-2017 Oshkosh S-Series.
- Bulletin number
- TB-H807-REV C
- Component
- Suspension: multiple axle
- Summary
- This Technical Bulletin is for some Oshkosh S-Series Front Discharge Concrete Mixer trucks that are fitted with an optional Hendrickson Load Span Tag Axle (LSTA). This publication is intended to assist with the identification and replacement of axle weldment components on a limited number of Load Span Tag Axle (LSTA) assemblies manufactured by Hendrickson and equipped on Oshkosh S?Series front discharge mixers. The applicable LSTA assemblies were manufactured between March 25, 2008 and January 30, 2017. The new production version of the LSTA assembly (Hendrickson Part No. BAH13Z?XXK) is not affected. Hendrickson has learned the above?referenced axle weldment components may develop slowly progressive cracks in the axle seat connections under various service conditions. Such cracks will be clearly visible during routine vehicle inspections. If this condition is allowed to progress over time, such cracks could result in damage to the LSTA connections to the adjacent suspension trailing arms. Therefore, Hendrickson is offering to all applicable owners, at no charge, an Axle Weldment Replacement Kit (No. 016816?00) for affected LSTA assemblies. This kit includes the same new LSTA subassembly (including bolt?on cast axle seats) that is used in Part No. BAH13Z?XXK.
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