The Kramp 61707042120 is a high-quality classic V-belt designed for reliable drive applications in various Viking lawn mowers. This V-belt features an outside length of 704 mm (27.7 inches) and an inside length of 660 mm (26 inches), with a width of 12.7 mm and a height of 8 mm. It utilizes a 4L/Z/10 profile, ensuring optimal power transmission and durability. This Kramp V-belt serves as a direct replacement for Viking and Stihl OEM part number 61090071042, making it suitable for compatible models including Viking MB 443, MB 443 T, MB 448 T, MB 448 TX, MB 448 TC, MB 448 TXC, and MB 448 VC.