TransmissionJune 2, 20269 min
The 68RFE survival guide for tuned Cummins trucks
Four upgrades, in order, that decide whether a tuned 68RFE lasts 400,000 miles or 40,000.
Tyler NakamuraRead
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No filler articles. Every piece here comes from a truck that was actually on the lift — what failed, what we tested, and what we would put on our own rig.
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One or two emails a month. Diagnostic notes, new parts, and the occasional strong opinion about filtration.
TransmissionFour upgrades, in order, that decide whether a tuned 68RFE lasts 400,000 miles or 40,000.
Call the shop or send the details. We answer technical questions for customers and non-customers alike — it is how we end up writing half of these articles.