The Muncie SH8S-U6809-A3EX or SH8SU6809A3EX is an air shift power take-off from Muncie's SH8 Series, engineered for high-torque truck applications. It features an integral air shift design with no exposed air cylinder, housed in an 8-bolt cast iron body for solid, straightforward mounting. Five speed ratios are available across the series, with intermittent torque ratings ranging from 325 to 400 ft-lb (441-542 Nm) depending on ratio selected. Seventeen input gear sets cover most popular transmission applications, and 12 output shaft options accommodate the most common pump configurations. Call us to confirm proper fit and ratio selection for your specific application.
Features
Integral air shift design with no exposed air cylinder
8-bolt cast iron housing for strength and straightforward mounting
Intermittent torque ratings up to 400 ft-lb (542 Nm) at 1000 RPM
5 speed ratios to match output requirements
17 input gear sets covering most popular transmission applications
12 output shaft options for compatibility with most common pump types
Tech Specs
- Series: Muncie SH8 Series PTO
- Part Number: SH8S-U6809-A3EX or SH8SU6809A3EX
- 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 (Ratio 05 and 07): 400 ft-lb (542 Nm)
- Continuous Torque (Ratio 05 and 07): 280 ft-lb (379 Nm)
- Intermittent HP at 1000 RPM (Ratio 05 and 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 at 1000 RPM (Ratio 09): 71 HP (53 kW)
- Intermittent Torque (Ratio 12 and 13): 325 ft-lb (441 Nm)
- Continuous Torque (Ratio 12 and 13): 228 ft-lb (309 Nm)
- Intermittent HP at 1000 RPM (Ratio 12 and 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) |
