The Muncie A20-A1005-HX3BS or A20A1005HX3BS is a medium-duty clutch shift power take-off from the Muncie A20 Series, designed specifically for Allison 3000 and 4000 Series transmissions. The 10-bolt mounting pattern pairs with a shift cover that rotates 360 degrees and a rotatable pump flange, giving technicians real flexibility during installation. Tapered roller bearings extend PTO service life, and the increased output shaft diameter adds durability under sustained load. The gear profile is optimized to minimize operating noise, and reduced leak paths cut maintenance time. Three housing arrangements are available, and the unit accepts the Muncie EX Drive shaft extension. Call us to confirm the correct housing arrangement and ratio for your application.
Features
Designed for Allison 3000 and 4000 Series transmissions, 10-bolt mounting
Clutch shift actuation with 360-degree rotatable shift cover
Rotatable pump flange for flexible installation orientation
Tapered roller bearings for extended PTO service life
Increased output shaft diameter for higher load durability
Compatible with Muncie 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) |
