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Jim Park

Former HDT Equipment Editor

Jim Park served as Heavy Duty Trucking's equipment editor from 2006-2024. Specializing in technical and equipment content, Park is an award-winning journalist who has been covering the trucking industry since 1998.

Before joining HDT, Park was a truck driver and owner-operator for 20 years and served as an editor for HighwayStar magazine, which ceased production in 2011. He maintained his commercial driver’s license to bring a real-world perspective to Test Drives, as well as to features, videos and podcasts about equipment spec’ing and trends, emissions regulations and developments, maintenance and drivers.

He is the recipient of 16 Jesse H. Neal honors (both finalist and Neal awards), including “Best Range of Work by a Single Author” in 2020.

Articlesby Jim ParkDecember 16, 2022

The Art and Science of Electrical Diagnostics on Trucks

Today’s complex electrical and electronic systems on heavy-duty trucks require a surgical approach to troubleshooting, some cutting-edge tools — and a great deal of skill. Are you up to speed?

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Newsby Jim ParkDecember 12, 2022

RelGen Charges Truck Liftgate, HVAC Batteries without Idling 

Blackburn Energy’s RelGen onboard charging system captures untapped kinetic energy to charge accessory batteries with a faster and fuller charge.

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On the Roadby Jim ParkDecember 6, 2022

Is Downspeeding Bad for Brakes?

Is there a connection between downsped drivetrains and increased brake wear? There shouldn’t be. Downsped fleets seeing increased brake wear are probably not letting the technology do its job, explains HDT Equipment Editor Jim Park.

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On the Roadby Jim ParkNovember 28, 2022

Dig for the Gold Behind CVSA’s Out-of-Service Numbers

Published out-of-service rates don’t mean much until you dig into the why. With brake problems consistently placing in two of the top five spots, maybe we’re missing something in brake maintenance, writes HDT Equipment Editor Jim Park.

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Videosby Jim ParkNovember 27, 2022

Keep the Hackers Out: How Trucking Companies Can Up Their Cybersecurity Game

Big fleets have the resources to try to ward off cyberattacks, but where does that leave smaller fleets, ones without dedicated IT staff to develop and implement security measures? Learn more in this episode of HDT Talks Trucking

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Newsby Jim ParkNovember 11, 2022

Is Your Truck Fleet Ready for the Canadian ELD Deadline?

If your trucks operate in Canada, double-check that both your device and its software are compliant with new electronic logging device requirements going into effect in January 2023.

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Videosby Jim ParkNovember 10, 2022

On the Spot: Mack Trucks' Command Steer [Video]

Equipment Editor Jim Park puts the boots to Mack Trucks’ Command Steer steering assist system in a hard-rock quarry owned by the H&K Group in Easton, Pennsylvania.

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Articlesby Jim ParkNovember 8, 2022

How Cylinder Deactivation Can Help Meet 2027 Emissions Targets

Jacobs Vehicle Systems is demonstrating how controlling NOx in-engine with cylinder deactivation could be a better way to meet 2027 emissions regulations compared to larger, more complex, and exasperating aftertreatment systems.

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Articlesby Jim ParkNovember 7, 2022

California’s Straight-Truck TRU Deadline Puts the Squeeze on Fleets

All refrigerated straight trucks operating in California must be zero-emission by 2029, under new rules taking effect next year.

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Articlesby Jim ParkOctober 19, 2022

How to Get Trucks Ready for Winter

Trucks need a little care and attention to get through winter unscathed. Here’s what fleets should check before the snow starts flying.

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