The Chelsea 680XSAHX-A3RY is an 8-bolt mount power take-off from the Chelsea 680 Series, a medium- to heavy-duty PTO designed for Eaton Fuller transmissions and compatible with select Volvo, Mack, Daimler, and Detroit applications. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft for durability in higher-torque work such as pneumatic blowers and dump truck service. This unit carries an SAE A pump flange output and an air shift mechanism. The series supports continuous operation with a 30% de-rating and delivers output power of 56 or more HP. Pro Gear and Transmission supplies genuine Chelsea PTO units for vocational, aerial, refuse, and municipal fleets.
Features
8-bolt mounting for Eaton Fuller and compatible manual transmission applications
SAE A pump flange output
Air shift mechanism
Cast iron housing with tapered cone bearings on input and output shafts
56+ HP output power rating (series-level specification)
Deep mount housing option available for Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Output Type: SAE A Pump Flange
- Shift Type: Air (Wire/Cable)
- Housing Material: Cast Iron
- Output Shaft Bearings: Tapered Cone
- Continuous Operation: Yes, with 30% de-rating
- Intermittent Torque: 301-400 lb-ft (series range; check application pages for actual rating)
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Mounting Aperture: 8-Bolt PTO opening
Additional Information
The Chelsea 680 Series is supported by the following Parker Chelsea documents: 680 Series Parts List (HY25-2660-M1_US), 680 Series Owner's Manual (covers 340/348/442/447/489/660/680/823/863/880 Series), 680 Series Sales Literature, Chelsea PTO General Information Catalog, Chelsea PTO Stud Kits (HY25-2002-M1_US), Detroit DT12 Adapter Owner's Manual for 238/489/680/826/880 Series, PTO-PNI-250 covering new 660/680 Series ratio and output options, and PTO-PNI-205 covering the RH output option. Contact Pro Gear and Transmission for document access or application guidance.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
