The Muncie A20-A1012-XX3IIPX or A20A1012XX3IIPX is a medium-duty clutch shift power take-off designed for Allison 3000 and 4000 Series transmissions, using a 10-bolt mounting pattern. The A20 Series uses a proven clutch pack design with tapered roller bearings to extend service life, and the shift cover rotates a full 360 degrees for flexible installation positioning. A rotatable pump flange, increased housing clearance, and extended-length PTO mounting fasteners all simplify the installation process. The output shaft diameter is enlarged for added durability, and gear geometry is optimized to reduce operating noise. Three housing arrangements are available, and the unit accepts the EX Drive shaft extension. Call us to confirm the correct configuration for your application.
Features
10-bolt clutch shift mount designed for Allison 3000 and 4000 Series transmissions
Shift cover with 360-degree rotation for flexible installation positioning
Rotatable pump flange and extended-length mounting fasteners simplify installation
Tapered roller bearings and enlarged output shaft diameter for extended service life
Single intermittent/continuous torque rating across the series
Compatible with EX Drive shaft extension; three housing arrangements available
Tech Specs
- Transmission Compatibility: Allison 3000 Series, Allison 4000 Series
- Mount Type: 10-Bolt Clutch Shift
- Shift Cover Rotation: 360 degrees
- Housing Arrangements: Three
- Shaft Extension Compatibility: EX Drive shaft extension
- Part Number: A20-A1012-XX3IIPX or A20A1012XX3IIPX
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) |
