The Muncie SH8 Series Power Take-Off, part number SH8S-U6812-A1ZX or SH8SU6812A1ZX, is an air-shift-only PTO built for high-torque applications. The integral air shift design keeps the air cylinder fully enclosed, eliminating the exposed cylinder found on many competing units. The 8-bolt cast iron housing mounts securely and withstands demanding duty cycles. With 17 input gear sets, this unit fits most popular transmission configurations, while 12 output shaft options cover the majority of common pump types. Five available speed ratios give this series genuine versatility across hydraulic applications. Call us to confirm the correct input gear set and output shaft configuration for your specific truck and pump setup.
Features
Air shift only design with fully integral, no-exposed-cylinder air shift mechanism
8-bolt cast iron housing for secure, high-strength mounting
17 input gear sets to fit most popular transmission makes and models
12 output shaft options to match most common pump types
5 available speed ratios for flexible application matching
Built for high-torque intermittent and continuous duty cycles
Tech Specs
- Series: Muncie SH8 Series Power Take-Off
- Housing: 8-bolt cast iron
- Shift Type: Air shift only (integral, no exposed air cylinder)
- Input Gear Sets: 17 (fits most popular transmissions)
- Output Shaft Options: 12 (fits most popular pump types)
- Speed Ratios Available: 5
- Ratings at Speed Ratio 05: 76 HP intermittent at 1000 RPM, 400 lb.ft. intermittent torque, 280 lb.ft. continuous torque (57 kW / 542 Nm / 379 Nm)
- Ratings at Speed Ratio 07: 76 HP intermittent at 1000 RPM, 400 lb.ft. intermittent torque, 280 lb.ft. continuous torque (57 kW / 542 Nm / 379 Nm)
- Ratings at Speed Ratio 09: 71 HP intermittent at 1000 RPM, 375 lb.ft. intermittent torque, 263 lb.ft. continuous torque (53 kW / 508 Nm / 356 Nm)
- Ratings at Speed Ratio 12: 62 HP intermittent at 1000 RPM, 325 lb.ft. intermittent torque, 228 lb.ft. continuous torque (46 kW / 441 Nm / 309 Nm)
- Ratings at Speed Ratio 13: 62 HP intermittent at 1000 RPM, 325 lb.ft. intermittent torque, 228 lb.ft. continuous torque (46 kW / 441 Nm / 309 Nm)
- Alternate Part Number: SH8SU6812A1ZX
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) |
