Some MACK CXU612/CHU612 trucks built from October 4, 2010 to February 6, 2017 with single rear axle...
Mack technical service bulletin FSB 728-003 for 2011-2018 Mack Cxu and 2011-2018 Mack Chu.
- Bulletin number
- FSB 728-003
- Component
- Suspension
- Summary
- Some MACK CXU612/CHU612 trucks built from October 4, 2010 to February 6, 2017 with single rear axle Hendrickson air suspension (RAD-A2H) and short tapered frame rail (RFL830, RF-TAP28/RF-TA28T) could have the level arm rise above the frame rail when suspension is lowered completely.
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