BlogPreventive Maintenance
Heavy Duty Truck Clutch Maintenance: Complete Fleet Guide
BlogFleet Management & Strategy
Fleet Driver Retention: A Practical Guide to Costly Turnover
Alternative Fuel & Green TechnologyBlog
Rivian Commercial Van: The Complete Fleet Buyer’s Guide
BlogDiagnostics & Technology
Fleet Telematics Data Access: The Right-to-Repair Battle
Fleet Management & Strategy
BlogFleet Management & Strategy
Commercial Truck Tires: The Complete Fleet Manager’s Guide
Buyer's GuidesFleet Management & Strategy
Load Boards for Owner-Operators: A Complete Buyer’s Guide
BlogFleet Management & Strategy
ELD Compliance for Fleet Management: The Complete Guide
BlogFleet Management & Strategy
Fleet Safety Culture: The Complete Playbook for Trucking Fleets
Featured
Editor’s Pick
BlogEditors Pick
Heavy-Duty Repair Shop Layout: Complete Planning Guide
BlogEditors Pick
Women Fleet Managers: Leadership Driving Fleet Performance
BlogCustomer Service & Marketing
Backlinks for Truck Repair Shops: A Proven, Complete Guide
Alternative Fuel & Green TechnologyBlog
Rivian Commercial Van: The Complete Fleet Buyer’s Guide
Sponsored Partner Spotlight
Shop Business & Growth
BlogShop Business & Growth
Truck Repair Invoice Generator: Create Estimates & Work Orders Free
BlogShop Business & Growth
DOT Inspection Certification: Growing Your Shop’s Revenue Stream
BlogShop Business & Growth
Heavy Duty Shop Insurance: Cost-Saving Strategies
Diagnostics & Technology
BlogDiagnostics & Technology
Fleet Telematics Data Access: The Right-to-Repair Battle
OEM data lockouts cost fleets $3,000-$5,000 per truck annually. Learn how right-to-repair legislation and technical solutions are reshaping commercial vehicle diagnostics.
BlogDiagnostics & Technology
Diesel Emission System Diagnostics: Essential Fleet Guide
Master diesel emission system diagnostics for DPF, EGR, and SCR systems. Expert testing procedures, troubleshooting strategies, and compliance requirements for fleet managers.
Preventative Maintenance
Nov19
Heavy-Duty Coolant Flush Intervals: Fleet Maintenance Guide
Learn proper coolant flush intervals for heavy-duty diesel trucks. Covers ELC, conventional, and HOAT formulations plus testing protocols for fleet operations.
Sep25
Diesel Engine Maintenance Schedule: The Complete Fleet Guide
Master your diesel engine maintenance schedule with this complete guide covering PM intervals, aftertreatment service, and telematics-based scheduling.
Free Diesel Maintenance Checklist
Get the free heavy-duty truck maintenance checklist delivered as an instant PDF download.
Instant PDF • 100% Free • No Spam
New Resource
The HDJ Diesel Mechanic Tools Guide
96 professional tools across 9 categories — curated from 15+ years in the trade.
Press Release
Motive Launches AI-Powered Maintenance to Help Operations Teams Prevent Breakdowns, Increase Uptime, and Lower Repair Costs
August 19, 2026
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Press Release Built into the Motive platform, Motive Maintenance connects fault codes,
AI & Fleet Technology
Now Accepting Business Partners
Get Your Business in Front of Fleet Decision-Makers
Join the Heavy Duty Journal Business Directory and connect your company with fleet managers, diesel technicians, shop owners, and heavy-duty industry professionals searching for trusted products and service providers.
Targeted ExposureSEO BacklinkDedicated ProfileDirect Leads
Discover heavy-duty businesses or put your company
in front of the HDJ audience.
Tools & Equipment Reviews
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Multi-Location Truck Shop Expansion: Complete Guide
Learn how to scale your diesel repair shop to multiple locations. Financial benchmarks, site selection, financing options, and systems for sustainable growth.
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Customer Service & Marketing
BlogCustomer Service & Marketing
Backlinks for Truck Repair Shops: A Proven, Complete Guide
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Fuel Systems & Injection Technology
Diesel Fuel Injector Cleaner: Proven Fleet Manager’s Guide
Learn how diesel fuel injector cleaner works, when to use it, and how to build a fleet-level treatment program that protects HPCR injectors and cuts ...
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Heavy Duty Journal Fuel Tool
Diesel & Gas Price Checker
Compare regional diesel and gasoline prices with current U.S. averages.
EIA DATA • UPDATED WEEKLY
Enter a 5-digit ZIP code to identify
your regional fuel market.
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Gasoline
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Diesel Mechanic Tools Guide
Featured Heavy-Duty Channels
Cybersecurity & Freight Fraud Defense
Double Brokering 101: Red Flags Every Owner-Operator Must Know
January 17, 2026
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Learn to spot a double brokering scam before it costs you. Discover critical warning signs, protection strategies, and what owner-operators need to know now.
Expert Insights for Fleet Success
Heavy Duty Truck Preventive Maintenance Schedule Guide
Learn how to build an effective heavy duty truck preventive maintenance schedule using mileage, engine hours, and calendar-based intervals. Complete A/B/C service guide.
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Truck Repair Directory Marketing: The Complete Guide
Learn how truck repair directories generate 70% conversion rates at $12-18 per lead. Optimize listings to capture emergency breakdown calls during the 3-minute decision window.
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Compliance & Safety Management
BlogCompliance & Safety Management
CSA Score Improvement Strategies: Essential Guide for Fleets
Read More →Ask the Experts Q&A
Ask the Experts Q&A
Heavy Duty Diesel: The Complete Industry Guide for Professionals
Your complete guide to heavy duty diesel—covering engine systems, maintenance strategies, career paths, salary data, and industry trends. Written for diesel technicians, fleet managers, shop ...
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Ask the Experts Q&A
Diesel Engine Power Loss: Complete Troubleshooting Guide
Learn to diagnose diesel engine power loss under load. Expert troubleshooting guide covers fuel systems, turbochargers, exhaust restrictions, and more.
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