Necessity is the mother of invention, and, in the case of Marshall Muller, it was necessity that sent him in search of a better solution to the problem of automatic transmission slippage and its associated overheating and excess fuel consumption issues.
Adelaide-based Marshall and his family are avid recreational 4x4 enthusiasts who share a passion for off-grid four-wheeling, caravanning, and camping. But unlike most of us, Marshall is also an electronics and software engineer with 30-plus years of professional expertise in defence, commercial and government R&D projects.
Having travelled and towed extensively throughout Australia in a pair of Mitsubishi Pajeros and a Toyota Landcruiser 200 Series, Marshall knows firsthand each vehicle's strengths and weaknesses.
“As a driver, you learn to understand your vehicle and how to protect it. We often push our vehicles to their limits, sometimes without realising it, such as when towing in hilly terrain, sand driving or climbing steep off-road tracks,” says Marshall.
“One of the keys to doing this safely and without risking your vehicle is ensuring the right transmission gear is selected for the conditions you are driving in, since that helps maintain momentum, ensure vehicle
