This is what the technical press says about AS 1040 YAK 4WD

“In rough terrain, the driver appreciates the permanent four-wheel drive via hydrostat on the front wheels and the professional tyres. A bolted front guard under the front axle protects the track and steering rod in rough terrain and slightly shifts the grass and undergrowth before the mulcher chops it into small pieces. (

“Similar to its furry counterpart in the animal kingdom, which is considered a reliable beast of burden in the Himalayas, the AS 1040 YAK 4WD gives a strong sense of safety on slopes. […] The YAK also cuts a good figure horizontally: the man-high undergrowth on the test meadow was gone in no time at all. (