The Chelsea 680XQAHX-P3XK is an 8-bolt Power Take-Off from the Chelsea 680 Series, built for medium to heavy duty manual transmission applications including Eaton Fuller and Mack platforms. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft and tapered bearings on the input shaft for superior load capacity compared to needle-bearing designs. Output options span SAE A, SAE B, ISO 7652 pump flanges, and driveline configurations. The series supports intermittent torque in the 301-400 lb-ft range and continuous operation with a 30% de-rating. Shift options include wire/cable and mechanical types. Common vocational applications include aerial work, dump trucks, refuse, blower and product pumps, and fire and rescue equipment.
Features
8-Bolt mounting for most manual transmission applications with an 8-bolt PTO aperture
Cast iron housing with tapered cone bearings on the output shaft for high torque capacity
Tapered input shaft bearings for greater load bearing capability than needle bearing designs
SAE A, SAE B, and ISO 7652 pump flange output options plus driveline output
Wire/cable and mechanical shift options available
Continuous operation supported with 30% de-rating; intermittent torque rating 301-400 lb-ft
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type: Wire/Cable, Mechanical
- Intermittent Torque: 301-400 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP / 51+ kW
- Lubricant: Pressure Lube or No Pressure Lube (per configuration)
- Housing Material: Cast Iron
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
