The Chelsea 680ZSAHX-A5XK or 680ZSAHXA5XK is a 680 Series Power Take-Off built for medium- to heavy-duty manual transmission applications with an 8-bolt PTO aperture. The 680 Series is a proven fit for Eaton Fuller transmissions and includes a deep-mount housing option for Mack applications. The cast iron housing and tapered cone output-shaft bearings deliver a high torque rating suited to demanding vocational work such as pneumatic blowers, refuse, dump, and fire and rescue equipment. The series carries an intermittent torque rating of 375 lb-ft (508 Nm) with continuous operation available at a 30% de-rating. A space-saving air shift cover maximizes undercarriage clearance. Call us to confirm proper fit for your transmission.
Features
8-bolt mounting for most manual transmissions with 8-bolt PTO apertures
Cast iron housing with tapered cone bearings on the output shaft for extended service life
Intermittent torque rating of 375 lb-ft (508 Nm); continuous operation with 30% de-rating
Deep-mount housing option compatible with Mack transmission applications
Space-saving air shift cover design for maximum undercarriage clearance
Suited for aerial, dump, refuse, blower, fire and rescue, and service truck vocations
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque: 375 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Output Shaft Options (series): Round Shaft 1-1/4 in. with 5/16 in. key; SAE A 5/8 in. 9-tooth spline; SAE B 7/8 in. 13-tooth spline; SAE BB 1 in. 15-tooth spline; SAE C 1-1/4 in. 14-tooth spline; 1410 Companion Flange
- Output Flange Options (series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Transmission Compatibility (series): Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Dimensions: 8 in. H x 10 in. W x 14 in. L
Additional Information
The Chelsea 680 Series reference documents include the 680 Series Parts List (HY25-2660-M1_US), 680 Series Sales Literature, the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual, and the Chelsea Power Take-Off General Information Catalog. A Detroit DT12 Adapter Owner's Manual is also available for 680 Series installations. Typical vocational applications include aerial lifts, snow and ice removal, fire and rescue, dump trucks, service trucks, refuse bodies, and blower and product pump systems.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
