We see the Watson & Chalin SL/STL 8K Tru-Track Super Alumite 8K steerable lift axle suspension on a lot of cement trucks. We stock the popular replacement parts for this suspension, and we can special order anything else you might need.
See our SL/STL 8K wheelend category if you need brakes, bearings, or seals.
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201.3017 Flanged Cap Nut, M18x1.5 Thread, Replaces Watson & Chalin 19209
Part# 052-2013017
$5.40 USD
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