The Muncie A20-A1006-SX3X4PX or A20A1006SX3X4PX is a medium-duty, clutch shift power takeoff engineered for Allison 3000 and 4000 Series transmissions, mounted via a 10-bolt interface. Part of Muncie's A20 Series, it features a rotatable pump flange, a shift cover with 360-degree rotation for flexible installation, and extended-length PTO mounting fasteners that ease fitment in tight engine compartments. Tapered roller bearings extend service life, and an increased output shaft diameter adds durability under load. The maximized gear design reduces operating noise. Three housing arrangements are available, and the unit is compatible with the EX Drive shaft extension. Call us to confirm proper fit for your application.
Features
10-bolt clutch shift mounting for Allison 3000 and 4000 Series transmissions
Rotatable pump flange with 360-degree shift cover rotation for flexible positioning
Tapered roller bearings for extended PTO service life
Increased output shaft diameter for higher durability under load
Reduced leak paths and maximized gear design for quieter operation
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) |
