The Muncie A20-A1007-HX5II or A20A1007HX5II is a medium-duty, 10-bolt clutch shift power take-off engineered for Allison 3000 and 4000 Series transmissions. The A20 Series design incorporates tapered roller bearings for extended service life and a reinforced output shaft diameter for added durability under sustained load. A rotatable pump flange and shift cover with 360-degree rotation simplify installation and plumbing layout in tight engine bays. Three housing arrangements give installers flexibility in mounting orientation, while extended-length PTO mounting fasteners and increased component clearances reduce installation time. The unit carries a single intermittent/continuous torque rating and is compatible with the EX Drive shaft extension. Call us to confirm proper fit for your application.
Features
10-bolt clutch shift design for Allison 3000 and 4000 Series transmissions
Rotatable pump flange and 360-degree rotating shift cover for flexible installation
Tapered roller bearings for extended PTO service life
Increased output shaft diameter for higher durability under load
Three housing arrangements to accommodate different mounting orientations
Compatible with EX Drive shaft extension
Tech Specs
- Mounting: 10-bolt
- Shift type: Clutch shift
- Transmission compatibility: Allison 3000 Series, Allison 4000 Series
- Housing arrangements: 3
- Pump flange: Rotatable
- Shift cover rotation: 360 degrees
- EX Drive shaft extension compatible: Yes
- Torque rating type: Single intermittent/continuous rating
Additional Information
| SPEED | 3000 SERIES | 4000 SERIES | INTERMITTENT CONTINUOUS HP (KW) | INTERMITTENT/CONTINOUS |
| RATIO | ENGINE % | ENGINE % | @ 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) |
