The Muncie A20-A1012-HX11X or A20A1012HX11X is a medium-duty, 10-bolt clutch shift power take-off engineered for Allison 3000 and 4000 Series transmissions. Part of Muncie's A20 Series, it features a rotatable pump flange and a shift cover with 360-degree rotation for flexible installation positioning. The proven clutch pack design, tapered roller bearings, and increased output shaft diameter work together to extend service life. Extended-length PTO mounting fasteners and increased installation clearance simplify the job. Three housing arrangements are available, and the unit is compatible with the Muncie EX Drive shaft extension. Call us to confirm proper fit for your specific transmission and application.
Features
Clutch shift activation with 10-bolt mounting for Allison 3000 and 4000 Series transmissions
Rotatable pump flange and shift cover with 360-degree rotation for flexible installation
Tapered roller bearings and increased output shaft diameter for extended PTO service life
Proven clutch pack design with reduced leak paths
Three housing arrangements available
Compatible with Muncie EX Drive shaft extension
Tech Specs
- Mounting: 10-bolt
- Shift type: Clutch shift
- Application: Allison 3000 Series and 4000 Series transmissions
- Housing arrangements: Three
- Shift cover rotation: 360 degrees
- EX Drive shaft extension compatible: Yes
Additional Information
| SPEED | 3000 SERIES | 4000 SERIES | INTERMITTENT CONTINUOUS HP (KW) | INTERMITTENT/CONTINOUS |
| RATIO | ENGINE % | ENGINE % | HP (KW) @ 1,000 RPM | TORQUE LBS.FT. (NM) |
| 5 | 74% | 105% | 77 (57) | 400 (542) |
| 6 | 85% | 122% | 77 (57) | 400 (542) |
| 7 | 99% | 141% | 79 (59) | 415 (563) |
| 8 | 114% | 163% | 69 (51) | 360 (488) |
| 9 | 122% | 175% | 65 (48) | 340 (461) |
| 10 | 131% | 187% | 59 (44) | 310 (420) |
| 11 | 151% | 215% | 52 (39) | 275 (373) |
| 12 | 162% | 231% | 50 (37) | 265 (359) |
| 15 | 201% | 287% | 39 (29) | 205 (278) |
