The Muncie A20-A1006-SX3CB or A20A1006SX3CB is a medium-duty, 10-bolt clutch shift power take-off engineered specifically for Allison 3000 and 4000 Series automatic transmissions. The A20 Series uses a proven clutch pack design with tapered roller bearings to extend service life, and its shift cover rotates a full 360 degrees for flexible installation routing. An increased-diameter output shaft improves durability under sustained load, while reduced leak paths and extended-length PTO mounting fasteners address common field pain points. The rotatable pump flange and increased clearance around the unit simplify installation, and the unit is compatible with the EX Drive shaft extension. Three housing arrangements are available, and the gear set is optimized for low noise. Call us to confirm the correct configuration for your application.
Features
10-bolt clutch shift design for Allison 3000 and 4000 Series transmissions
Shift cover allows full 360-degree rotation for flexible installation
Tapered roller bearings extend PTO service life
Increased output shaft diameter for higher load durability
Rotatable pump flange with increased clearance for easier installation
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) |
