... gears and oil seals, 2.High reliability. 3.Easy installing and maintenance. 4.Military standard. YF-F8 Planetary Gearbox for ... the gear box: fine performance, high reliability, high safety, easy installing and maintenance. Even under extreme conditions, it can perform perfectly ... Torque (rpm)Max Roller’s Capacity (m³)Max Roller Installing AngleOil Volume (L)YF-F8420001:34.319025006~715°5.5Conact ...