Cat® Tier 4 Interim Aftertreatment Maintenance Recommendations

bit.ly/1JP17wm. This video discusses three major aftertreatment maintenance items for the Cat® C7.1-C15 ACERT engines that need addressed at the proper maintenance interval.

[@Jimo225]

my cat c3.4b only has 250 hours and it already derated me and locked out any rpms with codes 5246 fmi o 5246 fmi 15 and 5246 fmi 16. Whats the deal here?