The Muncie A20-A1009-SX51XBX or A20A1009SX51XBX is a medium-duty, clutch shift power take-off designed for Allison 3000 and 4000 Series transmissions. It mounts on a 10-bolt pad and features a shift cover with 360-degree rotation, a rotatable pump flange, and extended-length PTO mounting fasteners for simplified installation. Tapered roller bearings extend service life, and an increased-output-shaft diameter adds durability at the drive end. Reduced leak paths and a maximized gear design keep noise down. Three housing arrangements are available, and the unit is compatible with the EX Drive shaft extension. Available from Pro Gear and Transmission - call us to confirm the right configuration for your application.
Features
10-bolt clutch shift mounting for Allison 3000 and 4000 Series transmissions
Shift cover with 360-degree rotation and rotatable pump flange
Tapered roller bearings for extended PTO service life
Increased output shaft diameter for added durability
Reduced leak paths and optimized gear geometry for quieter operation
Compatible with EX Drive shaft extension; three housing arrangements available
Tech Specs
- Mounting: 10-bolt
- Shift type: Clutch shift
- Transmission application: Allison 3000 Series, Allison 4000 Series
- Shift cover rotation: 360 degrees
- Bearings: Tapered roller
- Housing arrangements: Three
- EX Drive shaft extension compatible: Yes
Additional Information
| SPEED | 3000 SERIES | 4000 SERIES | INTERMITTENT CONTINUOUS HP (KW) | INTERMITTENT/CONTINOUS |
| RATIO | ENGINE % | ENGINE % | @ 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) |
