The Muncie SH8 Series Power Take-Off, part number SH8S-U6812-A3KX or SH8SU6812A3KX, is an air-shift-only PTO built for high-torque applications. The 8-bolt cast iron housing mounts without exposed air cylinders, keeping the integral air shift mechanism protected and simplifying installation. Five speed ratios and 12 output shaft options give this unit broad compatibility with common pump types. Seventeen input gear sets cover most popular transmission configurations. Torque ratings vary by speed ratio, with intermittent capacity reaching 400 lb-ft (542 Nm) and continuous capacity up to 280 lb-ft (379 Nm) at the 05 and 07 ratios. Dimensions are 11.63 in. H x 13.38 in. W x 15.63 in. L. Call us to confirm proper fit for your transmission and pump configuration.
Features
Integral air shift design with no exposed air cylinder
8-bolt cast iron housing for strength and straightforward mounting
5 speed ratios available for application versatility
12 output shaft options to match most popular pump types
17 input gear sets covering most popular transmission applications
Intermittent torque rating up to 400 lb-ft (542 Nm) depending on speed ratio selected
Tech Specs
- Housing: 8-bolt cast iron
- Dimensions: 11.63 in. H x 13.38 in. W x 15.63 in. L
- 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
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) |
