The Muncie A20-A1007-HX3PB or A20A1007HX3PB is a medium-duty clutch shift power take-off designed for Allison 3000 and 4000 Series transmissions. Part of the Muncie A20 Series, it features a shift cover allowing 360-degree rotation, a rotatable pump flange, and increased clearance for easier installation. Tapered roller bearings extend PTO service life, and an increased output shaft diameter adds durability. The gear design is maximized for noise reduction, leak paths are reduced, and the unit accommodates three housing arrangements. It is also compatible with the EX Drive shaft extension. Call us to confirm proper fit for your application.
Features
Clutch shift operation designed for Allison 3000 and 4000 Series transmissions
Shift cover allows full 360-degree rotation for flexible mounting
Rotatable pump flange with increased clearance for easier installation
Tapered roller bearings for extended PTO service life
Increased output shaft diameter for added durability
Compatible with EX Drive shaft extension; three housing arrangements available
Tech Specs
- Transmission Compatibility: Allison 3000 Series and 4000 Series
- Shift Type: Clutch Shift
- Mount: 10-Bolt
- Series: Muncie A20
- Speed Ratio 5 - 3000 Series Engine %: 74%, 4000 Series Engine %: 105%, HP (kW) @ 1,000 RPM: 77 (57), Torque lbs.ft. (Nm): 400 (542)
- Speed Ratio 6 - 3000 Series Engine %: 85%, 4000 Series Engine %: 122%, HP (kW) @ 1,000 RPM: 77 (57), Torque lbs.ft. (Nm): 400 (542)
- Speed Ratio 7 - 3000 Series Engine %: 99%, 4000 Series Engine %: 141%, HP (kW) @ 1,000 RPM: 79 (59), Torque lbs.ft. (Nm): 415 (563)
- Speed Ratio 8 - 3000 Series Engine %: 114%, 4000 Series Engine %: 163%, HP (kW) @ 1,000 RPM: 69 (51), Torque lbs.ft. (Nm): 360 (488)
- Speed Ratio 9 - 3000 Series Engine %: 122%, 4000 Series Engine %: 175%, HP (kW) @ 1,000 RPM: 65 (48), Torque lbs.ft. (Nm): 340 (461)
- Speed Ratio 10 - 3000 Series Engine %: 131%, 4000 Series Engine %: 187%, HP (kW) @ 1,000 RPM: 59 (44), Torque lbs.ft. (Nm): 310 (420)
- Single Intermittent/Continuous Torque Rating: Yes
- Housing Arrangements: Three
- EX Drive Shaft Extension Compatible: Yes
- Extended Length PTO Mounting Fasteners: 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) |
