Valtra has finally let its heavyweight S-series loose on the 400hp tractor scene and, armed with lorry loads of torque, a proven driveline and a redesigned cab, promises to unsettle a few of the traditional high-horsepower campaigners.
John Smith Mowing is considered fast after 20 kmh. I have witnessed 40kmh with a 3,5 meter mower with no conditioner, in short grass on a level field, with a tractor of around 130hp.
