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- Used ISX15/X15 Trucks: The Fuel-Pump Years, Rebuild Math, and What to Check
Which Cummins years carry the ceramic-plunger fuel pump risk, what a rebuild actually costs in parts, and the pre-purchase checks that protect your livelihood. - DD15 vs X15: Two Failure Signatures, One Cascadia
The Detroit DD15 and Cummins X15 sit in the same frame and fail in different directions. What each one actually does wrong, what is priced, and what nobody can price yet. - International A26: One Injector, a Bank of Misfire Codes, and a Reliability Claim With No Source
A multi-cylinder misfire on an A26 traced back to a single failed injector. That diagnostic is the strongest A26 evidence we have. The million-mile reliability claim has none. - Mack MP8 and the Anthem: What a $9,136 Turbo Breakdown Actually Costs
An owner filmed every line of a turbo, actuator, and DPF failure on his Anthem. The mechanical work was barely two-thirds of the bill. Here is the rest of it, the market pricing, and what to check. - PACCAR MX-13: What the Evidence Actually Shows (And What It Doesn't)
The MX-13 powers Kenworths and Peterbilts, but the public failure record is nearly empty. Here is the one documented breakdown we have, and why most MX-13 numbers you will find online are not MX-13 numbers. - Volvo D13 and I-Shift: The 500K-Mile Bill, and the One That Ran $34,090
The D13 spends most of its life costing steady, predictable money around 500K miles. Then there is the failure that does not. What breaks, what one full overhaul actually invoiced, and what to inspect. - Cascadia vs T680 vs 579: You Are Not Shopping Engines
Three chassis that can all carry the same Cummins X15. What our evidence supports about the comparison, and the large parts of it we cannot price.