The Chelsea 680 Series Power Take-Off, part number 680XQAHX-V3XV or 680XQAHXV3XV, is a medium- to heavy-duty PTO built for 8-bolt transmission apertures. The 680 Series is engineered for higher-torque demands such as pneumatic blower drives, and the cast iron housing with tapered cone bearings on the output shaft supports an intermittent torque rating up to 375 lb-ft (508 Nm). The series covers Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission manufacturers. A space-saving air shift cover maximizes clearance under the cab. A deep mount housing option accommodates Mack transmission applications. Call us to confirm proper fit for your specific transmission and output configuration.
Features
8-bolt mounting fits most manual transmissions with an 8-bolt PTO aperture
Cast iron housing with tapered cone bearings on the output shaft for high torque capacity
Intermittent torque rating up to 375 lb-ft (508 Nm); continuous operation supported with 30% de-rating
Output power range: 56+ HP / 51+ kW
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
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque: Up to 375 lb-ft (508 Nm) - verify actual rating on Chelsea application pages
- Continuous Operation: Yes, with 30% de-rating
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, or Driveline
- Output Shaft Options: Round Shaft (1-1/4 in. with 5/16 in. key), SAE A (5/8 in. 9-tooth), SAE B (7/8 in. 13-tooth), SAE BB (1 in. 15-tooth), SAE C (1-1/4 in. 14-tooth), DIN 5462 Pump Spline, 1410 Companion Flange
- Output Power: 56+ HP (51+ 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, and other manufacturers
- Lubricant Type: No pressure lube (X designation)
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 680 Series is suited for vocational applications including dump trucks, refuse trucks, aerial equipment, fire and rescue, snow and ice removal, and service vehicles. Thirty-two output configurations are available across the series, including Chelsea's 360-degree rotatable flange for flexible pump positioning. Four internal speed ratios and ten shift options are offered at the series level. This part is also referenced as SP680XQAHX-V3XV in some catalog systems. Call Pro Gear and Transmission to verify the exact ratio, output, and shift configuration for part number 680XQAHX-V3XV before ordering.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
