What is a VGT? Variable-geometry Turbochargers or VGTs are a type of turbo charger designed to allow the optimum amount of air flow to change depending on engine conditions. The optimum air flow or aspect ratio changes depending on engine RPM and engine load conditions. The aspect ratio at low...

Our diesel technicians are taking a look at the engine, aftertreatment system and hydraulic system functionality on a CAT Dozer using the OHW & Construction module on Cojali Jaltest’s diagnostic software. We will be showing step by step how the joystick calibration works with this tool. We are going to...

We're excited to announce our two newest training classes: TEXA Off-Highway Training for Technicians and Off-Highway Aftertreatment and Emissions Systems! These classes are designed to focus on the unique quirks you'll encounter when working on off-highway equipment. Starting in September, these classes will be scheduled during the same week as our Hydraulic...