The Chelsea 489GSAHX-P3RK is an 8-bolt Power Take-Off unit from the 489 Series, designed to bolt directly to manual transmissions with an 8-bolt aperture, including Eaton Fuller, Mack, and Tremec. The one-piece cast iron housing eliminates the need for an adapter plate, removing a potential leak path compared to multi-piece designs. Shift type is 12V electric/air shift. The output is a rotatable SAE B 2 or 4-bolt flange with a 7/8" 13-tooth SAE B shaft. The 489 Series is rated for 201-300 lb-ft intermittent torque and 46-55 HP output power. Internal parts are common to the Chelsea 442 Series, making service straightforward. Available from Pro Gear and Transmission.
Features
8-bolt mounting - bolts directly to compatible manual transmission openings including Eaton Fuller, Mack, and Tremec
One-piece cast iron housing eliminates adapter plate and reduces potential leak paths
12V electric/air shift operation
Rotatable SAE B 2 or 4-bolt flange with a 7/8" 13-tooth SAE B shaft
Intermittent torque rating: 201-300 lb-ft (301-400 Nm)
Output power: 46-55 HP (31-40 kW); internal parts common to Chelsea 442 Series for easier servicing
Tech Specs
- Series: Chelsea 489
- Mounting Type: 8-bolt
- Mounting Option: Standard Mount with Metric Studs (G)
- Gear Ratio Code: S (24/22)
- Input Gear Designator: AH
- Lube Option: No Pressure Lube (X)
- Shift Option: 12V DC Electric/Air Shift (P)
- Assembly Arrangement: 3
- Output Option: Rotatable SAE B 2 or 4-Bolt Flange, SAE B Shaft (7/8" 13T) (RK)
- Intermittent Torque: 201-300 lb-ft (301-400 Nm)
- Output Power: 46-55 HP (31-40 kW)
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM
- Housing Material: One-piece cast iron
Additional Information
The Chelsea 489 Series shares internal components with the 442 Series, keeping replacement parts consistent across your fleet. The 489 Series is suited for utility trucks, dump truck and trailer applications, snow and ice removal, and fire and rescue equipment. Parker service documentation for this series includes the 489 Series Parts List (HY25-2442-M1_US), the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual, and the Chelsea Service Manual (HY25-6489-M1/US), all available through the Parker Product Support section.Parts manual and diagrams: Chelsea 489 Series PTO parts list with prices
