Caterpillar C15: 6NZ vs MXS — Fast ID Guide
Visual cues to tell 6NZ from ACERT MXS quickly: valve covers, turbo layout, and emissions hardware.
Visual cues to tell 6NZ from ACERT MXS quickly: valve covers, turbo layout, and emissions hardware.
Harness/connectors, CAC leaks, manifold hardware, EGR sensors, and front-structure oil leaks.
CM871/2250/2350 basics, ATS alignment, and baseline data to log on first start.
EMS & harness compatibility, ATS health, cooling capacity, and first-start torque/retorque notes.
Mounts, bellhousing, electronics, ATS strategy, and parts to plan for before you lift.
Open-up inspections, lab testing, video run-tests, complete drop-ins, and a warranty we stand behind.
Pre-install prep, in-chassis fit checks, first-start baselines, and after-run verification.
What’s different across ECM families, how that impacts harnessing/ATS, and what to confirm.