The Chelsea 680QFMEX-56XY is an 8-bolt Power Take-Off from the Chelsea 680 Series, a medium- to heavy-duty PTO designed for Eaton Fuller transmissions and available with a deep-mount housing option for Mack applications. The 680 Series is built around a cast iron housing with tapered cone bearings on the output shaft for sustained performance in higher-torque applications such as pneumatic blowers. Output options include SAE A, SAE B, and driveline configurations, with an intermittent torque rating of 375 lb-ft (508 Nm) at the series level. Shift is wire/cable or mechanical. Sold by Pro Gear and Transmission.
Features
8-bolt mounting for Eaton Fuller and compatible transmission apertures
Deep-mount housing option available for Mack transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque rating: 375 lb-ft (508 Nm) at series level
Output power: 56+ HP (51+ kW); supports SAE A, SAE B, and driveline outputs
Wire/cable or mechanical shift; continuous operation with 30% de-rating
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Power: 56+ HP (51+ kW)
- Intermittent Torque (Series): 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack (deep-mount housing option), Daimler/Detroit
- Housing Material: Cast Iron
- Lubricant Type: X (No Pressure Lube)
- Dimensions (H x W x L): 8.5 in. x 10.75 in. x 14.5 in.
Additional Information
The Chelsea 680 Series supports 32 output options including a 360-degree rotatable flange for flexible pump positioning. Four internal speed ratios and ten shift options are available across the series. Shaft power ratings at the series level: 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. Typical vocational applications include aerial work, dump trucks, refuse, fire and rescue, snow and ice removal, service trucks, and blower and product pump systems. Part number 680QFMEX-56XY is also referenced as SP680QFMEX-56XY.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
