Description
The Chelsea 680XFAHX-P3XY is a 680 Series power take-off assembly built for medium to heavy duty applications on transmissions with an 8-bolt PTO aperture. This unit uses a wire/cable mechanical shift and delivers a 1-1/4″ round output shaft with keyway. Intermittent torque for the 680 Series runs 375 lb-ft (508 Nm), consult application pages for the actual rating for this configuration. Shaft power across the series reaches 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft and tapered input shaft bearings in place of needle bearings, making it a practical choice for pneumatic blower duty. A deep mount housing option supports Mack transmission fitment. Part number 680XFAHX-P3XY is also referenced as 680XFAHXP3XY. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 680 Series PTO assembly, part number 680XFAHX-P3XY or 680XFAHXP3XY
8-bolt mounting for broad manual transmission coverage including Eaton/Fuller and Volvo/Mack
Wire/cable mechanical shift type
1-1/4″ round output shaft with keyway
Intermittent torque rating up to 375 lb-ft (508 Nm) series-level; verify actual rating for this configuration on Chelsea application pages
Cast iron housing with tapered cone bearings on output shaft; tapered input shaft bearings for high load capacity
Deep mount housing option available for Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4″ Round with Key
- Transmission Manufacturer: Eaton/Fuller, Volvo/Mack, Other
- Intermittent Torque (Series): 375 lb-ft / 508 Nm (Check Application Pages for Actual Torque Ratings)
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP (500 RPM), 71 HP (1000 RPM), 107 HP (1500 RPM) / 27 kW (500 RPM), 53 kW (1000 RPM), 80 kW (1500 RPM)
- Continuous Operation: Yes, with 30% de-rating
