Shaft-mounted gearbox MA series occur by means of tension arm and a back-stop device can be mounted if required by the application. Shaft-mounted gearboxes are available in 7 sizes with a two reduction stages. PRODUCT DETAILS • Power up to 89 kW • Reduction range 12.5 to 25 • Torque range T2M = 300 - 8600 Nm • A projecting input shaft with key is available for mounting of pulleys for belt transmissions. • The helical spur gears are built in quench‐hardened and case‐hardened steel. The teeth of all gears are ground to ensure silent running. • The standard hollow output shaft made of steel is dimensioned accordingly to enhance performance in all different applications. • The rigid structure of the housing in engineering cast iron ensures superior resistance to stress. The single lubrication chamber guarantees excellent thermal dissipation. • Gearbox housing, flanges, bells, and covers are externally painted with BLUE RAL 5010. • Accessories available are tensioner, mounting and dismounting kit with hollow output shaft, hollow output shaft with shrink disc, backstop device. • Spare parts list is available on the technical catalogue HELICAL AND BEVEL HELICAL GEARBOXES, with blue cover.