Currently Ontario law requires the speed limiter to be set at 65 mph or 105 kph for class 8 tractors.

Continuing with its commitment to be in compliance with local laws and regulations, Bully Dog Technologies, a world leader in the automotive aftermarket industry, announces that their HDGT (Heavy Duty Gauge Tuner) and HDWD (Heavy Duty Watch Dog) have both been recognized as legal devices that can alter the speed limiter before entering the providence of Ontario.

Currently Ontario law requires the speed limiter to be set at 65 mph or 105 kph for class 8 tractors operating in the providence. Law enforcement personell in the province have been trained on how the HDGT and HDWD change the speed limiter settings.

Both the HDGT and HDWD can modify the speed limiter settings on Caterpillar C11, C13 and C15 engines; Cummins ISM, ISX, ISX12 and ISX15 engines; Detroit Series 60, DD13 and DD15 engines and Paccar MX and MX13 engines. The ability to change the speed limiter is one of many different features that the HDWD and HDGT offer to owner operators and fleet owners.