The Chelsea 489GRAHX-A3GF or 489GRAHXA3GF is a Chelsea 489 Series Power Take-Off designed for manual transmissions with an 8-bolt PTO mounting aperture, including Eaton Fuller, Mack, and Tremec. The integral 8-bolt one-piece cast iron housing bolts directly to the transmission opening without an adapter plate, reducing potential leak paths. Shift type is wire/cable mechanical. The output shaft is a 1-1/4" round shaft with key. The 489 Series carries an intermittent torque rating of 201-300 lb-ft and uses strong tapered bearings rather than needle bearings for greater load-bearing capability. Call us to confirm proper fit for your application.
Features
Chelsea 489 Series Power Take-Off, part number 489GRAHX-A3GF or 489GRAHXA3GF
8-bolt integral one-piece cast iron housing mounts directly to transmission opening, no adapter plate needed
Wire/cable mechanical shift type
1-1/4" round shaft with key output
Intermittent torque rating: 201-300 lb-ft (301-400 Nm)
Tapered bearings instead of needle bearings for increased load capacity
Compatible with Eaton Fuller, Mack, Tremec, and other manual transmissions with 8-bolt PTO aperture
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: Round Shaft, 1-1/4" with Key
- 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
- Compatible Transmissions: Eaton Fuller, Mack, Tremec, and other manual transmissions with 8-bolt PTO aperture
- Product Series: 489
Additional Information
The Chelsea 489 Series PTO is suited for utility trucks, snow and ice removal equipment, fire and rescue vehicles, and dump truck applications. Internal parts are common to the Chelsea 442 Series, making service parts broadly available. The kit-style design simplifies field service. Twenty-seven output options are available across the 489 Series, including a 360-degree rotatable flange with greaseable shaft to reduce pump shaft spline fretting and corrosion. For parts and service documentation, reference Chelsea 489 Series Parts List HY25-2442-M1_US and 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.
