Short DescriptionThe 281L Series is a medium-duty extended-shaft power take-off (PTO) designed for Allison 3000/4000 Series transmissions. It is engineered for medium-duty vocational truck applications and corresponding torque requirements.
Technical Specifications- Transmission manufacturer: Allison
- Mounting type: 10-bolt
- Continuous torque: 390 lb-ft (529 Nm)
- Shift type: Hydraulic
- Outlet flange type: SAE B, SAE C, DIN 5462
- Output shaft type: SAE B (7/8" - 13T); SAE BB (1" - 15T); SAE C (1-1/4" - 14T)
- Lubricant: P = Pressure lube
- Weight: 95 lb (43 kg)
Compatibility & Applications- Designed for Allison 3000/4000 Series transmissions
- Suitable for medium-duty vocational trucks
- Typical applications: utility trucks, dump trucks, refuse collection, mixers, service vehicles
Related Documents- Spring 2026 Chelsea Applications Catalog