The Chelsea 660 Series Power Take-Off, part number 660ZSDAX-V3GF or 660ZSDAXV3GF, is a 6-bolt PTO built for medium to heavy duty vocational applications. It uses a wire/cable mechanical shift and delivers an intermittent torque rating up to 375 lb-ft (508 Nm), check application pages for actual torque ratings for your specific installation. The output shaft is a 1-1/4" round configuration, and output power reaches 56+ HP (51+ kW). Shaft power scales from 36 HP at 500 RPM to 71 HP at 1,000 RPM and 107 HP at 1,500 RPM. Compatible transmissions include Eaton/Fuller, Hino, Volvo/Mack, and select others. Typical applications include dump trucks, aerial devices, service trucks, and snow and ice removal equipment. Call us to confirm proper fit for your application.
The Chelsea 660 Series is built around a cast iron housing with tapered cone bearings on the output shaft for extended service life under sustained load. The series supports continuous operation with a 30% de-rating. Tapered bearings on the input shaft provide greater load-bearing capability compared to needle-bearing designs. The 660 Series offers four internal speed ratios and is suited for aerial devices, blower and product pumps, dump trucks and trailers, and snow and ice removal equipment.
Features
6-bolt mounting type for compatibility with most popular manual transmissions
Wire/cable mechanical shift
Intermittent torque up to 375 lb-ft (508 Nm), verify rating on application pages
1-1/4" round output shaft
One-piece gears for higher torque capacity
Cast iron bearing caps with greaseable shaft options
Tech Specs
- Intermittent Torque: 375 lb-ft / 508 Nm (check application pages for actual torque ratings for your vehicle)
- Shift Type: Wire/Cable, Mechanical
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP (500 RPM), 71 HP (1,000 RPM), 107 HP (1,500 RPM) / 27 kW (500 RPM), 53 kW (1,000 RPM), 80 kW (1,500 RPM)
- Compatible Transmissions: Eaton/Fuller, Hino, Volvo/Mack, and select others
Additional Information
The Chelsea 660 Series is built around a cast iron housing with tapered cone bearings on the output shaft for extended service life under sustained load. The series supports continuous operation with a 30% de-rating. Tapered bearings on the input shaft provide greater load-bearing capability compared to needle-bearing designs. The 660 Series offers four internal speed ratios and is suited for aerial devices, blower and product pumps, dump trucks and trailers, and snow and ice removal equipment.
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
