Oil question *Our transmission MAY have ATF installed* - Technical Troubleshooting discussion in Forkliftaction's forums

Hyster S50XM:
Oil question Our transmission MAY have ATF installed

We currently own a used 2001 S50XM with Mazda engine. Went to top up the trans and saw currently installed fluid is red in color (presumably ATF). My understanding is that this truck requires J20C or equivalent. Is there ANY situation where red fluid would be correct in this trans? (trans rebuild with different friction material?) Or is this dead wrong? My thought is to flush and replace with J20C. Any input would be appreciated.

Posted 21 Jun 2019 01:25
Discussion started by Russel01
California, United States

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danny_k Thank you!

Posted 22 Jun 2019 06:52
Reply by Russel01
California, United States

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J20C is the correct oil for your truck but some J20C is red anyway, just drain and re fill to be safe, no need to flush.

Posted 21 Jun 2019 18:22
Reply by danny_k
Buckinghamshire, United Kingdom

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