The Hydro Pro Sno-Thro features the company's first hydrostatic transmission in a snow thrower, allowing for variable-speed selection and maintenance-free operation. It features four drive models, including the Hydro Pro 28, 32, and 36 and the Hydro Pro Track 36. Speeds range from 2.2 miles per hour (mph) on track-drive models to 2.7 mph on wheel-drive models. The unit is cold-start capable and has a 50-foot discharge. An automatic traction control optimizes maneuverability. Other features include: commercial cast-iron gear cases with alloy steal gears; L-3 synthetic severe-duty gear oil; and a five-year warranty.