The Chelsea 680XSAHX-U3GF or 680XSAHXU3GF is a 680 Series Power Take-Off designed for manual transmissions with an 8-bolt PTO aperture. The 680 Series is a medium-to-heavy duty PTO built around a cast iron housing with tapered cone bearings on the output shaft for durability under sustained load. Intermittent torque for the series reaches up to 375 lb-ft (508 Nm); continuous operation is supported with a 30% de-rating. Shaft power output for the series runs 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The 680 series covers Eaton Fuller, Volvo/Mack, and Daimler/Detroit transmission applications, with a deep mount housing option for Mack. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 680 Series, 8-bolt mounting for manual transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque rating up to 375 lb-ft (508 Nm) for the series
Shaft power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
Deep mount housing option available for Mack transmission applications
Covers Eaton Fuller, Volvo/Mack, and Daimler/Detroit transmission families
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (series): up to 375 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power (series): 56+ HP (42+ kW)
- Shaft Power: 36 HP at 500 RPM / 71 HP at 1000 RPM / 107 HP at 1500 RPM
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Housing Material: Cast iron
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 680 Series is designed for higher-torque vocational applications including pneumatic blowers, aerial equipment, dump trucks, refuse vehicles, fire and rescue apparatus, and snow and ice removal equipment. The space-saving air shift cover is designed to maximize clearance under the truck. The series offers four internal speed ratios and ten shift options. The input shaft uses tapered bearings rather than needle bearings for greater load-bearing capability. Parker Chelsea documents covering this series include the 680 Series Owner's Manual, 680 Series Parts List (HY25-2660-M1_US), and the Chelsea PTO General Information Catalog.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
