The Muncie A20-A1007-HX1BSPX or A20A1007HX1BSPX is a medium-duty, 10-bolt clutch shift power take-off engineered for Allison 3000 and 4000 series transmissions. The A20 series carries a single intermittent/continuous torque rating across its speed range, with torque output varying by ratio from 400 lb-ft at the lower ratios down to 310 lb-ft at a 10-speed ratio. The shift cover rotates 360 degrees for mounting flexibility, and the rotatable pump flange adapts to multiple installation orientations without added hardware. Three housing arrangements are offered. Extended-length PTO mounting fasteners are included, and the unit is compatible with the EX Drive shaft extension for applications requiring additional reach. Call us to confirm proper fit for your specific transmission configuration.
Features
10-bolt clutch shift PTO for Allison 3000 and 4000 series transmissions
Single intermittent/continuous torque rating simplifies spec selection
360-degree rotatable shift cover and rotatable pump flange for flexible installation
Tapered roller bearings for extended service life
Increased output shaft diameter for added durability
Compatible with EX Drive shaft extension; three housing arrangements available
Tech Specs
- Mounting: 10-bolt
- Shift type: Clutch shift
- Compatible transmissions: Allison 3000 series, Allison 4000 series
- Shift cover rotation: 360 degrees
- Housing arrangements: Three
- Torque rating (ratio 5, 3000 series): 74% engine speed; torque 400 lb-ft (542 Nm) intermittent/continuous at 1,000 RPM, 77 HP (57 kW)
- Torque rating (ratio 6, 3000 series): 85% engine speed; torque 400 lb-ft (542 Nm) intermittent/continuous at 1,000 RPM, 77 HP (57 kW)
- Torque rating (ratio 7, 3000 series): 99% engine speed; torque 415 lb-ft (563 Nm) intermittent/continuous at 1,000 RPM, 79 HP (59 kW)
- Torque rating (ratio 8, 3000 series): 114% engine speed; torque 360 lb-ft (488 Nm) intermittent/continuous at 1,000 RPM, 69 HP (51 kW)
- Torque rating (ratio 9, 3000 series): 122% engine speed; torque 340 lb-ft (461 Nm) intermittent/continuous at 1,000 RPM, 65 HP (48 kW)
- Torque rating (ratio 10, 3000 series): 131% engine speed; torque 310 lb-ft (420 Nm) intermittent/continuous at 1,000 RPM, 59 HP (44 kW)
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) |
