PowerShift (Hydraulic) 10-Bolt Power Take-Off (PTO) - 280 Series

Chelsea 280 Series is a hydraulically shifted hot shift PTO designed for automatic transmissions with a 10-Bolt aperture, commonly found on Allison and Caterpiller transmissions. The 280 Series replaces the 277/278 Series.

  • Output Type:

    SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline

  • Shift Type:

    PowerShift (Hydraulic), Hydraulic

  • Intermittent Torque:

    301-400 lb-ft, 501+ Nm

  • Transmission Manufacturer:

    Allison

  • Lubricant:

    P = Pressure Lube, W = Wet Spline

  • Continuous Operation:

    Yes

  • Output Power:

    51+ kW, 56+ HP

  • Mounting Type:

    10-Bolt

  • Output Shaft Type:

    Smart Start – Rd Shaft (1-1/4″ – 5/16″ Key), 3/4″ – 11T Pump Spline, SAE B (7/8″ – 13T) Pump Spline, SAE C (1-1/4″ – 14T) Pump Spline, DIN 5462 Pump Spline, 1410 Companion Flange, DIN 120 Flange, DIN 100 Flange

  • Continuous Torque:

    390 (Check Application Pages for Actual Torque Ratings) lb-ft, 529 (Check Application Pages for Actual Torque Ratings) Nm

  • Shaft Power:

    500 RPM: 37, 1000 RPM: 74 HP, 500 RPM: 28, 1000 RPM: 56 kW

  • Weight:

    49 lb, 22 kg

Chelsea’s 280 Series is a new PTO that delivers high continuous-duty torque in a range of speeds where power and durability are required.  It is capable of up to 390 ft-lbs in continuous duty applications. With nine ratios, rotatable output flanges, remote hydraulic valve options, wet-spline technology, and Chelsea Smart Start options, it is perfect for Vacuum, Refuse, and Fire & Rescue applications in the Mobile market.      

Markets:
• Aerial
• Oil & Gas
• Defense
• On-Highway

Features/Benefits:
• Rotatable Flanges to improve clearance
• Continuous-Duty Torque Rating up to 390 ft-lbs
• Wet-Spline Option to extend PTO/Pump shaft life
• Smart Start Option for High-Torque Start-up
• Two Year Warranty

Applications:
• Fire & Rescue Trucks
• Pumper Cleaner
• Truck Cranes
• Refuse Trucks