The Dodge Motorized Torque-Arm II (MTA) is a shaft-mount reducer with a right-angle NEMA C-face motor input, for belt conveyors and other shaft-mounted drives. Ten sizes, up through 200 hp and 330,000 lb-in, with twin-tapered bushing bores through 7 in. Sizes 7–12 are also available with an Atlas adapter for 360–440 frame foot-mounted motors. Each ratio page lets you choose the motor frame and whether you need the reducer only or a complete gearmotor.
Jump to: Sizes & ratios | Catalogs & manuals
MTA sizes & ratios
Click a model to see part numbers and request a quote. Sizes: MTA2 | MTA3 | MTA4 | MTA5 | MTA6 | MTA7 | MTA8 | MTA9 | MTA10 | MTA12
Bushings, backstops, fans and reliability kits are in Torque-Arm accessories.
Not sure which one you need? Send your motor hp, output speed and shaft size through our quote form or call 800-985-6929 and we'll size it for you.
Catalogs & manuals
- Motorized Torque-Arm II Catalog
- Motorized Torque-Arm for Aggregate Belt Conveyors
- Motorized Torque-Arm II MTA2–12 C-Faced Coupled
- Motorized Torque-Arm II Speed Reducers for Foot Mounted Motors MTA7–MTA12
- Motorized Torque-Arm II Speed Reducer Electric Fans
- MTA9–MTA12 Reliability Kit
Data from Dodge catalogs. AutomatedPT is an independent distributor and is not affiliated with Dodge Industrial, Inc.
- MTA10 shaft-mount reducer, 108:1 ratio
- Class I rating: 73.8 hp, 261,245 lb-in at 16 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 15:1 ratio
- Class I rating: 386 hp, 186,737 lb-in at 119 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 19:1 ratio
- Class I rating: 329 hp, 199,890 lb-in at 95 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 21:1 ratio
- Class I rating: 323 hp, 207,462 lb-in at 83 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 23:1 ratio
- Class I rating: 283 hp, 209,549 lb-in at 78 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 26:1 ratio
- Class I rating: 247 hp, 214,721 lb-in at 66 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 28:1 ratio
- Class I rating: 237 hp, 216,836 lb-in at 63 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 32:1 ratio
- Class I rating: 210 hp, 221,947 lb-in at 54 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 33:1 ratio
- Class I rating: 204 hp, 223,465 lb-in at 53 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 40:1 ratio
- Class I rating: 185 hp, 241,776 lb-in at 44 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 41:1 ratio
- Class I rating: 179 hp, 242,812 lb-in at 39.93 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time
- MTA10 shaft-mount reducer, 48:1 ratio
- Class I rating: 157 hp, 245,945 lb-in at 37 rpm
- NEMA C-face or foot-mounted motor input
- Reducer only or complete gearmotor
- Request a quote for price and lead time