Gregg Wartgow 5a5390f76069f

Gregg Wartgow

Polar Fox Technologies
Sophia and Ryan Fox pivoted from a single truck repair business to focus on solving customers' emissions headaches through direct aftertreatment service and as a supplier of innovative electric APUs.
Emissions & Efficiency

Ohio truck shop's pivot to emissions work includes dual-purpose eAPU business

Nov. 13, 2024
Diesel Emissions Specialists has launched Polar Fox eAPU, a unique electric APU powered by “dual purpose” lithium batteries that can also start a truck.
DTNA
DTNA Engine Overhaul
In the Bay

Preparing technicians for engine overhauls

Oct. 23, 2024
The final piece of any engine overhaul is making sure a shop has the right people for the job. While some may opt for looking for specialized rebuilders, you can also grow your...
Mack Trucks
Engine overhauls require specialized parts like connecting rods and cylinder kits.
Diagnostic & Repair

Best practices for performing an engine overhaul

Oct. 22, 2024
Going all in on an engine overhaul can help ensure the quality and reliability fleets are hoping for, but it needs to be done carefully, and with the the right overahaul kit.
As an alternative to an in-frame overhaul, swinging a reman engine is another option for fleets looking to extend the life of a vehicle. Remanufactured engines are factory-assembled and tested by the OE. Pictured is a technician in a Detroit reman center.
In the Bay

How to tell when it's time to overhaul

Oct. 21, 2024
An engine overhaul could be a fleet’s best bet when looking to squeeze a few more years of life out of a truck.
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engine-oil-dreamstime-66780306
Fluids & Chemicals

Engine Oils 101: Understanding viscosity grades and when to use them

Sept. 19, 2024
The basics of selecting the best engine oil for your commercial vehicle application.
TEXA USA
Shop Equipment

How investing in high-end equipment helped shops' bottom line

July 30, 2024
Finding which equipment brands best serve your shop can feel like expensive trial and error. Here's how some shops have approached their equipment expenditures and where they ...