The Muncie SH8B-U6812-A1CX or SH8BU6812A1CX is a heavy-duty air shift power take-off from the Muncie SH Series, built specifically for high-torque applications. It mounts via an 8-bolt cast iron housing and features an integral air shift design with no exposed air cylinder. The unit supports 17 input gear sets to cover most popular transmission configurations and 12 output shaft options to match a wide range of pump types. Five speed ratios are available, with intermittent torque ratings reaching 400 ft-lb (542 Nm) at the lower speed ratios and continuous ratings up to 280 ft-lb (379 Nm). Call us to confirm proper fit for your transmission and pump configuration.
Features
Integral air shift design with no exposed air cylinder
8-bolt cast iron housing for secure, high-strength mounting
17 input gear sets covering most popular transmissions
12 output shaft options to fit most common pump types
5 speed ratios available for application versatility
Intermittent torque up to 400 ft-lb (542 Nm) at speed ratios 05 and 07
Tech Specs
- Housing: 8-bolt cast iron
- Shift type: Air shift (integral, no exposed air cylinder)
- Speed ratios available: 5
- Input gear sets: 17
- Output shaft options: 12
- Intermittent torque (ratios 05, 07): 400 ft-lb (542 Nm)
- Continuous torque (ratios 05, 07): 280 ft-lb (379 Nm)
- Intermittent HP @ 1000 RPM (ratios 05, 07): 76 HP (57 kW)
- Intermittent torque (ratio 09): 375 ft-lb (508 Nm)
- Continuous torque (ratio 09): 263 ft-lb (356 Nm)
- Intermittent HP @ 1000 RPM (ratio 09): 71 HP (53 kW)
- Intermittent torque (ratios 12, 13): 325 ft-lb (441 Nm)
- Continuous torque (ratios 12, 13): 228 ft-lb (309 Nm)
- Intermittent HP @ 1000 RPM (ratios 12, 13): 62 HP (46 kW)
Additional Information
| PTO TORQUE & HORSEPOWER RATINGS | ||||||
|---|---|---|---|---|---|---|
Speed Ratio | Intermittent HP@1000 RPM | Intermittent Torque lbs.ft. | Continuous Torque lbs.ft. | Intermittent (kw)@1000 RPM | Intermittent Torque (NM) | Continuous Torque (NM) |
| 05 | 76 | 400 | 280 | (57) | (542) | (379) |
| 07 | 76 | 400 | 280 | (57) | (542) | (379) |
| 09 | 71 | 375 | 263 | (53) | (508) | (356) |
| 12 | 62 | 325 | 228 | (46) | (441) | (309) |
| 13 | 62 | 325 | 228 | (46) | (441) | (309) |
