The Muncie A20-A1012-SX1PBPX or A20A1012SX1PBPX is a medium-duty, 10-bolt clutch shift power takeoff engineered for Allison 3000 and 4000 Series transmissions. It features a rotatable pump flange, a shift cover with 360-degree rotation for flexible installation, and extended-length PTO mounting fasteners that increase clearance during installation. The proven clutch pack design uses tapered roller bearings to extend PTO service life, and the increased output shaft diameter adds durability. Gear geometry is optimized to reduce operating noise, and reduced leak paths keep fluid where it belongs. Three housing arrangements and compatibility with the EX Drive shaft extension give this unit broad configuration flexibility. Available from Pro Gear and Transmission. Call us to confirm the right configuration for your application.
Features
10-bolt clutch shift PTO for Allison 3000 and 4000 Series transmissions
Rotatable pump flange with shift cover allowing 360-degree rotation
Extended-length mounting fasteners increase clearance for easier installation
Tapered roller bearings and increased output shaft diameter for extended service life
Three housing arrangements; compatible with EX Drive shaft extension
Maximized gear design reduces operating noise; reduced leak paths throughout
Tech Specs
- Mounting: 10-bolt
- Shift type: Clutch shift
- Transmission application: Allison 3000 Series and 4000 Series
- Housing arrangements: Three configurations available
- Shift cover rotation: 360 degrees
- Pump flange: Rotatable
- Output shaft: Increased diameter design
- Driveline compatibility: Compatible with EX Drive shaft extension
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) |
