The Muncie A20-A1012-JX3X4 or A20A1012JX3X4 is a medium-duty, 10-bolt clutch shift power take-off engineered for Allison 3000 and 4000 Series transmissions. Part of the Muncie A20 Series, it features a rotatable pump flange, a shift cover with 360-degree rotation, and extended-length PTO mounting fasteners for easier installation. Tapered roller bearings extend service life, while an increased-diameter output shaft adds durability. The proven clutch pack design carries a single intermittent/continuous torque rating, and the maximized gear profile keeps operating noise down. Three housing arrangements are available, and the unit accepts the EX Drive shaft extension. Call us to confirm proper fit for your application. A genuine Muncie part, available from Pro Gear and Transmission.
Features
Clutch shift engagement, 10-bolt mounting, designed for Allison 3000 and 4000 Series transmissions
Shift cover with 360-degree rotation for flexible installation positioning
Rotatable pump flange reduces installation constraints
Tapered roller bearings for extended PTO service life
Increased output shaft diameter for added durability
Compatible with EX Drive shaft extension; three housing arrangements available
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) |
