The Muncie A20 Series 10-Bolt Clutch Shift Power Take-Off, part number A20-A1011-HR3BBPX or A20A1011HR3BBPX, is a medium-duty clutch-shift PTO engineered specifically for Allison 3000 and 4000 Series transmissions. The A20 Series uses a proven clutch pack design and tapered roller bearings to extend service life. A rotatable pump flange and shift cover with 360-degree rotation simplify installation and plumbing layout. Increased output shaft diameter adds durability under continuous load, and reduced leak paths keep the unit running clean. The gear set is maximized for noise reduction, and extended-length PTO mounting fasteners are included. The unit is also compatible with the EX Drive shaft extension. Available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Clutch shift design for Allison 3000 and 4000 Series transmissions
Rotatable pump flange and shift cover with 360-degree rotation for flexible installation
Tapered roller bearings for extended PTO service life
Increased output shaft diameter for higher durability under load
Proven clutch pack with single intermittent/continuous torque rating
Compatible with EX Drive shaft extension; extended-length PTO mounting fasteners included
Tech Specs
- Shift Type: Clutch Shift
- Transmission Mount: 10-Bolt
- Designed For: Allison 3000 Series and 4000 Series transmissions
- Housing Arrangements: Three available
- Pump Flange: Rotatable
- Shift Cover Rotation: 360 degrees
- EX Drive Shaft Extension Compatibility: Yes
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) |
