Senior tech walkthroughs

Diesel diagnostics, written by techs.

Buying guides, deep dives on regens and ash resets, OEM-vs-aftermarket reality checks. Every article is written for working diesel techs and shop owners.

Read before you buy.

OEM Software

OEM vs Aftermarket Diagnostic Software: What Heavy-Duty Shops Actually Need

OEM software wins on parameter writes, reflashes, ash resets, and late-model coverage. Aftermarket wins on multi-make coverage and total cost. Most shops…

22 min read · May 4, 2026

Scan Tools

How to Choose the Right Heavy-Duty Scan Tool

There is no single best HD scan tool. The right tool matches the engines, model years, and depth of work your shop…

22 min read · May 4, 2026

Stuck on a regen right now?

Skip the article — call us and we'll walk you through it on the phone.

Call (800) 399-9495 Send a Message