The Chelsea 660ZSDAX-A3XK or 660ZSDAXA3XK is a Power Take-Off assembly from the Chelsea 660 Series, designed to fit most popular manual 6-bolt transmissions in medium to heavy duty applications. The 660 Series features a cast iron housing with tapered cone bearings on both the input and output shafts, delivering a series torque capacity up to 375 lb-ft for demanding cycles. The space-saving air shift cover maximizes clearance under the truck. The 660 Series supports continuous operation with a 30% de-rating and is suited for aerial devices, dump trucks, service trucks, blower and product pumps, and snow and ice removal equipment. Call us to confirm proper fit for your application.
Features
Chelsea 660 Series Power Take-Off, part number 660ZSDAX-A3XK or 660ZSDAXA3XK
Fits most popular manual 6-bolt transmissions
Cast iron housing with tapered cone bearings on input and output shafts
Series torque capacity up to 375 lb-ft; supports continuous operation with 30% de-rating
Space-saving air shift cover for maximum underbody clearance
Suited for aerial, dump truck, service truck, and snow and ice removal applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Intermittent Torque (Series): up to 375 lb-ft (508 Nm) - check application pages for actual torque ratings
- 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
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack
- 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 supported by the following Parker documentation: 660 Series Parts List (HY25-2660-M1_US), 660 Series Sales Literature, 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual, Chelsea Power Take-Off General Information Catalog, Chelsea PTO Stud Kits (HY25-2002-M1_US), PTO-PNI-205 (RH Output Option), PTO-PNI-250 (New 660/680 Series Ratio and Output Options), and PTO-PNI-275 (RK and RJ Output Options). Contact Pro Gear and Transmission to confirm the correct PTO selection for your transmission and application.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
