The Muncie A20-A1008-HX3BB or A20A1008HX3BB is a 10-bolt clutch shift power takeoff built for Allison 3000 and 4000 series transmissions. The shift cover rotates 360 degrees for flexible installation, and the pump flange is rotatable to suit a range of hydraulic setups. Tapered roller bearings extend PTO service life, and an enlarged output shaft diameter adds durability under load. Gear geometry is optimized for noise reduction, and reduced leak paths keep maintenance intervals manageable. Three housing arrangements are available, and the unit is compatible with the EX drive shaft extension. Call us to confirm the right configuration and housing arrangement for your application.
Features
10-bolt clutch shift PTO for Allison 3000 and 4000 series transmissions
Shift cover allows 360-degree rotation for flexible mounting orientation
Rotatable pump flange accommodates multiple hydraulic configurations
Tapered roller bearings for extended PTO service life
Enlarged output shaft diameter for increased durability under load
Compatible with EX drive shaft extension; three housing arrangements available
Tech Specs
- Transmission compatibility: Allison 3000 Series, Allison 4000 Series
- Shift type: Clutch shift
- Mounting bolt pattern: 10-bolt
- Shift cover rotation: 360 degrees
- Pump flange: Rotatable
- Housing arrangements: Three
- Output shaft: Increased diameter
- EX drive shaft extension: Compatible
- Torque rating: Single intermittent/continuous rating
- Mounting fasteners: Extended length
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) |
