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Chelsea 281 Series is a hydraulically shifted hot shift PTO designed for automatic transmissions with a 10-Bolt aperture, commonly found on Allison and Caterpillar transmissions.
The 281 Series Power Take-Off is evidence that Parker Chelsea is constantly investing in finding the world’s greatest solutions to industry challenges. Chelsea’s 281 Series PTO is an evolution of the top-selling 280 Series PTO. Upgrades include a ductile iron bearing cap which is 117% stronger than its predecessor. It also features an o-ring sealing configuration between the housing and bearing cap to improve clamp load and the thickness of the steel discs within the clutch pack have been increased by 80%. All of these improvements are focused on reducing the damaging vibrational effects caused by today’s and future engine designs.
Markets:
• Fire and Rescue
• Truck Cranes
• Pumper Cleaner
• Refuse
Features and Benefits:
• Ductile Iron Bearing Cap – 117% stronger than gray iron.
• Improved Seal – O-ring sealing configuration to reduce vibrational affects and improve clamp load.
• Enhanced Clutch Pack – 80% thicker steel disks in the clutch pack to resist premature tooth wear.
• Torque – Single, continuous duty torque rating.
• Clearance – Rotatable cast iron flanges to improve pump clearance.
• Positive Stop for Driveline Outputs – Eliminates oil seal damage from coupling.
• Wet Spline Lubrication Option – Provides 7 to 10 times greater shaft life.
• Speeds – Nine speed ratios including low and high-speeds.
• SmartStart – Reduces shock load at start-up for certain applications.
• Insurance – Electronic Overspeed Control (EOC) protects driven equipment.