680GSAHX-A3AF Chelsea PTO Assembly

The Chelsea 680 Series Power Take-Off, part number 680GSAHX-A3AF or 680GSAHXA3AF, is a medium- to heavy-duty PTO built for 8-bolt transmission openings on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. Shift type is wire/cable mechanical. The 1-1/4" round output shaft with key suits higher-torque driven equipment; intermittent torque rating for the 680 Series runs from 301 to 400 lb-ft (501+ Nm), with a series reference rating of 375 lb-ft (508 Nm), verify actual torque limits on the Chelsea application pages for your specific setup. Shaft power reaches 107 HP at 1,500 RPM. A deep-mount housing option supports Mack transmission installations. The cast iron housing and tapered cone output-shaft bearings are characteristic of this series, designed to handle demanding cycles such as pneumatic blowers. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.

Features

8-Bolt mounting for broad coverage across Eaton/Fuller, Volvo/Mack, and other compatible manual transmission applications
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque: 301-400 lb-ft range (series reference 375 lb-ft / 508 Nm; check Chelsea application pages for verified rating)
Shaft power output: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Deep-mount housing option available for Mack transmission applications

Tech Specs

• Intermittent Torque: 301-400 lb-ft (501+ Nm); series reference rating 375 lb-ft (508 Nm), verify on Chelsea application pages
• Shift Type: Wire/Cable, Mechanical
• Output Power: 56+ HP (51+ kW)
• Transmission Manufacturer Compatibility: Eaton/Fuller, Volvo/Mack, Other
• Output Shaft Type: 1-1/4" Round; 1-1/4" Round with Key
• Mounting Type: 8-Bolt
• Shaft Power: 36 HP (500 RPM), 71 HP (1,000 RPM), 107 HP (1,500 RPM); 27 kW (500 RPM), 53 kW (1,000 RPM), 80 kW (1,500 RPM)

Additional Information