The Muncie A20-A1005-HX51X or A20A1005HX51X is a medium-duty, 10-bolt clutch shift power takeoff designed for Allison 3000 and 4000 Series transmissions. Part of Muncie's A20 Series, it features a shift cover with 360-degree rotation and a rotatable pump flange to simplify installation and plumbing layout. Tapered roller bearings support extended service life, and the increased-diameter output shaft handles the demands of continuous hydraulic work. The housing offers three arrangement options, and the unit is compatible with the EX Drive shaft extension for added installation flexibility. Call Pro Gear and Transmission to confirm the correct ratio and housing arrangement for your specific application.
Features
10-bolt clutch shift PTO for Allison 3000 and 4000 Series transmissions
Shift cover allows 360-degree rotation for flexible installation orientation
Rotatable pump flange simplifies hydraulic plumbing layout
Tapered roller bearings for extended PTO service life
Increased output shaft diameter for added durability under continuous load
Compatible with EX Drive shaft extension; three housing arrangements available
Tech Specs
- Mount pattern: 10-bolt
- Shift type: Clutch shift
- Transmission compatibility: Allison 3000 Series, Allison 4000 Series
- Housing arrangements: 3
- Shift cover rotation: 360 degrees
- Drive shaft extension compatibility: EX Drive shaft extension
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) |
