Razorback Mowers Australia Claimed 

Razorback Brushcutter Mowers is an all quality, built to work and built to last. With its amazing torque and shaft drive, it is practically unstoppable. The Razorback range of all-terrain mowers starts with a CM1401H – a 2 wheel drive unit that has the complete feature set of the F1 platform; only in a two-wheel-drive configuration. This model has the Subaru/Robin horizontal shaft engine that produces 14HP NET output. Like all Subaru engines in the Razorback model program, this is a chain-driven overhead cam engine, capable of performing on steep angles of up to 30 degrees. The CM1401H is designed to make lawn maintenance far safer and provide more comfort for owners of steeper acreage.