The Muncie SH6S-U6812-A3EX (also referenced as SH6SU6812A3EX) is a Muncie SH Series air-shift-only power take-off built for high-torque applications. It features an integral air shift design with no exposed air cylinder, mounted in a 6-bolt cast iron housing that measures 11.63 in. H x 13.38 in. W x 15.63 in. L. The SH Series bridges the gap between the TG and 82 Series product lines. With 17 input gear set options, 5 speed ratios, and 12 output shaft configurations, this unit fits a broad range of transmission and pump pairings. Call us to confirm proper fit for your specific application.
Features
Integral air shift design with no exposed air cylinder
6-bolt cast iron housing measuring 11.63 in. H x 13.38 in. W x 15.63 in. L
17 input gear sets compatible with most popular transmissions
12 output shaft options to fit most popular pump types
5 available speed ratios for application flexibility
Intermittent torque capacity up to 400 ft-lb (542 Nm) at 1000 RPM depending on ratio selected
Tech Specs
- Series: Muncie SH Series
- Shift Type: Air shift only (integral, no exposed air cylinder)
- Housing: 6-bolt cast iron
- Dimensions: 11.63 in. H x 13.38 in. W x 15.63 in. L
- Input Gear Sets: 17 options (fits most popular transmissions)
- Output Shaft Options: 12 options (fits most popular pump types)
- Speed Ratios Available: 5
- Max Intermittent Torque (ratios 05 and 07): 400 ft-lb (542 Nm) at 1000 RPM / 76 HP (57 kW)
- Max Continuous Torque (ratios 05 and 07): 280 ft-lb (379 Nm)
- Sold by: Pro Gear and Transmission

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) |
