Trailers may increase the risk of tractor overturn during wood transportation in dangerous conditions. In this work. tests were carried to simulate a trailer rollover using three two wheel tractors and a crawler tractor and three trailers (two single-axle and one two-axle). all of their combinations moving downhill along the path on a short dirt road. https://homehardware4ues.shop/product-category/weatherstripping-and-weatherproofing-hardware/