The Pro XD Kinetic can easily and securely be adjusted for a top speed of anywhere between 5 mph (8 km/h) and up to 40 mph (64 km/h). The Pro XD diesel is delivered with a top speed of 25 mph (41 km/h) for jobsite compliance, and can also be limited to 15 mph (24 km/h). Gas models can easily and securely be adjusted for a top speed of anywhere between 15 mph (24 km/h) to up to 40 mph (64 km/h).