Watch this video to see how easy it is to take an engine oil sample from your Class 8 Semi Tractor. You can rely on JG Lubricant Services to give you accurate repeatable data that let’s you know for sure the condition of your truck’s engine, transmission, coolant system, refrigeration unit (reefer) or APU (Auxiliary Power Unit). Plus, if you’re an OOIDA member, you’ll receive a 10% discount on all of your kits and supplies.
Tom Johnson is part owner and President of JG Lubricant Services, LLC. He holds a Bachelor of Science degree in Mechanical Engineering Technology from Purdue University and has over 30 years engineering experience. Prior to forming JG Lubricant Services, Tom acted as the Transmission Fluids Engineer for Allison Transmission for the last 20 years before his retirement in 2009. While in this position, Tom worked with most of the global oil and additive companies. Tom wrote all of Allison’s current lubricant specifications (including the ground breaking TES-295 specification). He directed and managed the testing and approval of hundreds of transmission fluid formulations for Allison Transmission and served as a key member of the GM Automatic Transmission Fluid Committee. Tom was also a key member of the Engine Oil Review Committee for the SAE Performance Review Institute and participated on a multi-OEM panel to review and approve engine oils to US Army specifications. Tom worked closely with the US Army Tank Automotive Command to review military specification oils for use in US Army tactical and combat wheeled and track laying vehicles. View all posts by Thomas Johnson