Preventive Maintenance

Scheduled maintenance strategies and breakdown prevention for maximum uptime.

Close-up of a severely heat-damaged heavy-duty truck axle spindle after catastrophic wheel bearing failure, showing extensive scoring, metal transfer, and wear beneath a commercial trailer during maintenance inspection.

When a Wheel Bearing Fails: How Lack of Lubrication Destroys the Hub — and Then the Spindle

Table of Contents Add a header to begin generating the table of contents By Michael Nielsen, Editor & Publisher, Heavy Duty Journal Last Updated: July 2026 📖 Estimated reading time: 13 minutes Every diesel technician who’s spent enough years on the road has a story like this one: a call comes in, a wheel is

When a Wheel Bearing Fails: How Lack of Lubrication Destroys the Hub — and Then the Spindle Read More »

Cutaway view of a heavy-duty commercial truck wheel hub assembly with tapered roller bearings, bearing grease, and wheel-end components displayed on a workshop bench, illustrating proper wheel hub lubrication and maintenance.

Wheel Hub Maintenance for Heavy-Duty Trucks: Oil and Grease Service Guide

Table of Contents Add a header to begin generating the table of contents By Michael Nielsen, Editor & Publisher, Heavy Duty Journal Last Updated: July 2026 📖 Estimated reading time: 13 minutes Wheel hubs don’t get the attention that engines, brakes, or tires get in most maintenance conversations — right up until one fails. When

Wheel Hub Maintenance for Heavy-Duty Trucks: Oil and Grease Service Guide Read More »

Diesel technician diagnosing an automated manual transmission on a heavy-duty truck using a laptop diagnostic tool in a repair shop

Automated Manual Transmission Maintenance: Complete Fleet Guide

Table of Contents Add a header to begin generating the table of contents By Michael Nielsen, Editor & Publisher | 15+ Years in Diesel Repair Last Updated: March 2026 📖 Estimated reading time: 19 minutes Automated manual transmission maintenance has become one of the most consequential skill sets in the modern fleet shop. AMTs now

Automated Manual Transmission Maintenance: Complete Fleet Guide Read More »

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