The Chelsea 489GCAHX-S3XQ or 489GCAHXS3XQ is a Power Take-Off assembly from Chelsea's 489 Series, designed for manual transmissions with an 8-bolt PTO mounting aperture. The integral 8-bolt cast iron housing bolts directly to the transmission opening without an adapter plate, eliminating a common leak path. Shift type for this series is wire/cable mechanical. Output shaft is a 1-1/4" round shaft with key. Intermittent torque capacity for the 489 Series ranges from 201 to 300 lb-ft. Compatible transmissions include Eaton Fuller, Eaton Endurant, Mack, and Tremec. Typical applications include utility trucks, dump trucks, and snow and ice removal equipment. Call us to confirm proper fit for your application.
Features
Chelsea 489 Series PTO, part number 489GCAHX-S3XQ or 489GCAHXS3XQ
8-bolt integral cast iron housing mounts directly to transmission opening without an adapter plate
Wire/cable mechanical shift type
1-1/4" round output shaft with key
Intermittent torque rating: 201-300 lb-ft (301-400 Nm) at the series level
Fits manual transmissions including Eaton Fuller, Eaton Endurant, Mack, and Tremec
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: Round Shaft, 1-1/4" Key
- Intermittent Torque (Series): 201-300 lb-ft / 301-400 Nm
- Output Power (Series): 46-55 HP / 31-40 kW
- Shaft Power (Series): 24 HP at 500 RPM, 48 HP at 1000 RPM
- Housing Material: Cast Iron
- Compatible Transmissions: Eaton Fuller, Eaton Endurant, Mack, Tremec (8-bolt aperture)
- NMFC Code: 128520 / Hydraulic PTOs, Pumps, Motors, etc.
Additional Information
The Chelsea 489 Series shares internal components with the 442 Series, giving technicians familiar with either platform a common parts set for service. The 489 Series design supports twenty-seven output options and eleven internal speed ratios at the series level, making it adaptable across a range of vocational and municipal equipment installations. Common applications include aerial, utility, dump truck and trailer, fire and rescue, and snow and ice removal. For service information, the applicable Parker documents include the 489 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6489-M1/US).Parts Manual: Chelsea 489 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
