Transports at an ultra narrow width of 93” (2.36 M). Windrows 2” to 25” rocks with ease, forming them into neat uniform rows. Power is supplied to the windrower drum via a heavy duty PTO drive line which includes a slip clutch and shear bolt arrangement for protection against excessive shock loads. The final drive chain is totally enclosed for longer service life. The rock windrower drum is 14 feet (4.27 M) wide and is constructed of 8 5/8 inch (219mm) heavy wall HSS tube. Hard surfaced, 5/8 inch (15.9mm) x 6 inch thick x 6 inch (152.4mm) long teeth are welded directly to the drum pipe, resulting in problem-free operation even in difficult conditions.