The Muncie A20-A1005-XX3BBBX or A20A1005XX3BBBX is a medium-duty, 10-bolt clutch shift power take-off engineered specifically for Allison 3000 and 4000 Series transmissions. The A20 Series uses a proven clutch pack design paired with tapered roller bearings to extend service life, and the shift cover rotates a full 360 degrees for flexible installation positioning. An enlarged output shaft diameter adds durability under load, while extended-length PTO mounting fasteners and increased housing clearance simplify the install. Three housing arrangements are available, and the unit is compatible with the Muncie EX Drive shaft extension. Reduced leak paths and a maximized gear profile keep operation quiet. Call us to confirm the correct configuration for your application.
Features
Medium-duty clutch shift design for Allison 3000 and 4000 Series transmissions
Shift cover allows 360-degree rotation for flexible installation
Tapered roller bearings extend PTO service life
Increased output shaft diameter for higher load durability
Three housing arrangements to suit different installation requirements
Compatible with Muncie EX Drive shaft extension
Tech Specs
- Mounting: 10-bolt
- Shift type: Clutch shift
- Compatible transmissions: Allison 3000 Series, Allison 4000 Series
- Housing arrangements: Three
- Shift cover rotation: 360 degrees
- EX Drive shaft extension compatibility: Yes
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) |
