The Chelsea 660RRLDX-Q4XK or 660RRLDXQ4XK is a 660 Series Power Take-Off designed for medium to heavy duty vocational applications including dump trucks, aerial devices, service trucks, and snow removal equipment. The 660 Series mounts to most popular manual 6-bolt transmissions and features a cast iron housing with tapered cone bearings on the output shaft for durability under high-load cycling. The series carries an intermittent torque rating up to 375 lb-ft and supports continuous operation with a 30% de-rating. Four internal speed ratios and multiple output configurations make this a versatile PTO for hydraulic pump and driveline-driven equipment. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 660 Series Power Take-Off, part number 660RRLDX-Q4XK or 660RRLDXQ4XK
Fits most popular manual 6-bolt transmissions including Eaton/Fuller and Volvo/Mack
Cast iron housing with tapered cone bearings on both input and output shafts
Intermittent torque rating up to 375 lb-ft (508 Nm) for the 660 Series
Supports continuous operation with 30% de-rating
Output power up to 107 HP at 1,500 RPM (series characteristic)
Tech Specs
- Mounting Type: 6-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other manual transmissions
- Intermittent Torque: Up to 375 lb-ft (508 Nm) - verify actual rating for this configuration
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical (series options)
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
- Housing Material: Cast iron
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 660 Series is documented in the 660 Series Parts List (HY25-2660-M1_US) and the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual, both available from Parker Chelsea. This part is also referenced under part number SP660RRLDX-Q4XK. Common applications for this series include blower and product pumps, aerial devices, service trucks, dump trucks and trailers, and snow and ice removal equipment. Call Pro Gear and Transmission to confirm this PTO matches your transmission model and output requirements.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
