The Muncie SH6F-F8412-P3BX (also referenced as SH6FF8412P3BX) is an air-shift-only power take-off from the Muncie SH Series, engineered for high-torque truck applications. It features a 6-bolt cast iron housing for straightforward mounting, an integral air shift design with no exposed air cylinder, and compatibility across 17 input gear sets to fit most popular transmissions. Five available speed ratios and 12 output shaft options give this unit broad pump compatibility. Intermittent torque ratings at 1,000 RPM reach up to 400 lb-ft (542 Nm) depending on speed ratio selected. Overall dimensions are 15.63 in. long x 13.38 in. wide x 11.63 in. tall. The SH Series was designed to fill the gap between the Muncie TG and 82 Series. Call us to confirm proper fit for your transmission and application.
Features
Air shift only design with integral air cylinder - no exposed cylinder hardware
6-bolt cast iron housing for strong, straightforward mounting
17 input gear sets to fit most popular heavy-duty transmissions
5 speed ratios for application versatility
12 output shaft options to match most popular pump types
Intermittent torque up to 400 lb-ft (542 Nm) at 1,000 RPM (speed ratios 05 and 07)
Tech Specs
- Housing: 6-bolt cast iron
- Shift type: Air shift only (integral, no exposed air cylinder)
- Input gear sets: 17 (fits most popular transmissions)
- Speed ratios available: 5
- Output shaft options: 12
- Overall dimensions (L x W x H): 15.63 in. x 13.38 in. x 11.63 in.
- Alternate part number: SH6FF8412P3BX
- Additional reference number: MUSH6FF8412P3BX

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) |
