The Chelsea 680 Series Power Take-Off (PTO) Assembly, part number 680XQAHX-V3XD or 680XQAHXV3XD, is built for medium- to heavy-duty applications on transmissions with 8-bolt PTO openings. It features a wire/cable mechanical shift and a 1-1/4" round output shaft with key. The 680 Series delivers shaft power of 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM, with an intermittent torque rating of 375 lb-ft (check application pages for actual torque ratings). The deep-mount housing option accommodates Mack transmission applications, and the series is well-suited to demanding work such as pneumatic blowers, dump trucks, refuse haulers, and aerial units. Cross-references include 1450-680XQAHXV3XD and PT4100XEN011SE. Call us to confirm proper fit for your transmission.

• Intermittent Torque: 375 lb-ft / 508 Nm (check application pages for actual torque ratings)
• 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 with Key
• Mounting Type: 8-Bolt
• Shaft Power: 36 HP / 27 kW at 500 RPM, 71 HP / 53 kW at 1,000 RPM, 107 HP / 80 kW at 1,500 RPM
• Mounting Bolt Hole Quantity: 8

The Chelsea 680 Series carries cross-references including 1450-680XQAHXV3XD, 1450680XQAHXV3XD, CHL 680XQAHX V3XD, PT4100XEN011SE, SH8S-U6809-PIBX, and SH8SU6809PIBX. Typical vocational applications for this series include pneumatic blowers, dump trucks and trailers, refuse haulers, snow and ice removal equipment, fire and rescue vehicles, service trucks, and aerial units. Continuous operation is supported with a 30% de-rating applied to the torque rating. Call us to confirm fitment for your specific transmission configuration.