The Chelsea 489GSAHX-A3RA or 489GSAHXA3RA is a Series 489 power take-off assembly designed for Eaton/Fuller, Volvo/Mack, and other transmission applications. It mounts via an 8-bolt pattern and uses an air shift mechanism. Output is through a rotatable SAE B 2-bolt flange with a 7/8" 13-tooth SAE B shaft; the 489 Series is rated at 46-55 HP output power, with shaft power of 24 HP at 500 RPM and 48 HP at 1,000 RPM. Intermittent torque rating falls in the 201-300 lb-ft range; check Chelsea application pages for the precise torque figure for your installation. Internal parts are common to the Chelsea 442 Series, simplifying bench service. Kit-style construction makes overhaul straightforward. Not sure this is the right PTO for your application? Call us to confirm proper fit.
Features
Series 489 PTO with 8-bolt transmission mounting
Air shift
Rotatable SAE B 2-bolt flange with a 7/8" 13-tooth SAE B shaft
Output power rated 46-55 HP; 24 HP at 500 RPM, 48 HP at 1,000 RPM
Intermittent torque in the 201-300 lb-ft range (verify exact rating on Chelsea application pages)
Kit-style assembly shares internal parts with the Chelsea 442 Series for easier service
Tech Specs
- Product Series: 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: Air Shift (A)
- Assembly Arrangement: 3
- Output Option: Rotatable SAE B 2-Bolt Flange, SAE B Shaft (7/8" 13T) (RA)
- Output Power: 46-55 HP (31-40 kW)
- Shaft Power: 24 HP (18 kW) at 500 RPM; 48 HP (36 kW) at 1,000 RPM
- Intermittent Torque: 201-300 lb-ft (301-400 Nm) - check Chelsea application pages for actual torque rating
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other applications
Additional Information
