Trucks and heavy equipment Mercedes Truck For sale: Tractor unit, model 1990. Juffali specifications. 24-inch rims. Front and rear springs. Manual 8-speed gearbox. Eight-cylinder engine, two turbos (Juffali). Model 1935. Full maintenance done for the tractor unit and the tank. 30-ton tank, 12-base, Dammam. Private transport. With weighing. Renewed and inspected. - Currently in operation at the Exhibition Station.