The Muncie SH8B-U6807-A1PX (also referenced as SH8BU6807A1PX or MUSH8BU6807A1PX) is an SH8 Series air-shift power take-off designed for high-torque truck applications. The integral air shift design eliminates an exposed air cylinder, keeping the installation clean and compact. Housing is 8-bolt cast iron for strength and straightforward mounting. Five speed ratios and 12 output shaft options give broad pump compatibility, while 17 available input gear sets cover most popular transmission applications. Intermittent torque ratings reach 400 lb-ft at speed ratios 05 and 07. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission and pump configuration.
Features
Air shift only design with integral, no-exposed-cylinder actuation
8-bolt cast iron housing for high-strength, easy mounting
5 speed ratios available for versatility across applications
12 output shaft options to fit most common pump types
17 input gear sets covering most popular transmission applications
Intermittent torque up to 400 lb-ft (542 Nm) at speed ratios 05 and 07
Tech Specs
- Housing: 8-bolt cast iron
- Shift type: Air shift only (integral, no exposed air cylinder)
- Speed ratios available: 5
- Output shaft options: 12
- Input gear sets: 17
- Intermittent torque (ratio 05/07): 400 lb-ft (542 Nm)
- Continuous torque (ratio 05/07): 280 lb-ft (379 Nm)
- Intermittent HP @ 1000 RPM (ratio 05/07): 76 HP (57 kW)
- Intermittent torque (ratio 09): 375 lb-ft (508 Nm)
- Continuous torque (ratio 09): 263 lb-ft (356 Nm)
- Intermittent HP @ 1000 RPM (ratio 09): 71 HP (53 kW)
- Intermittent torque (ratio 12/13): 325 lb-ft (441 Nm)
- Continuous torque (ratio 12/13): 228 lb-ft (309 Nm)
- Intermittent HP @ 1000 RPM (ratio 12/13): 62 HP (46 kW)
- Alternate part number: SH8BU6807A1PX or MUSH8BU6807A1PX
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) |
