The Chelsea 489 Series Power Take-Off, part number 489XFAHX-A3RY or 489XFAHXA3RY, is a mechanical-shift PTO built for 8-bolt manual transmission openings. The one-piece cast iron housing bolts directly to the transmission without an adapter plate, which eliminates a potential leak path compared to designs that require an intermediate adapter. The 489 Series carries an intermittent torque rating of 201-300 lb-ft and delivers up to 46-55 HP at the output. The output shaft is a 1-1/4 inch round keyed design. Strong tapered bearings handle load better than needle bearings, and the shift mechanism is wire/cable mechanical. Compatible transmissions include Eaton Fuller, Mack, and Tremec 8-bolt applications. Call us to confirm proper fit for your specific transmission.
Features
Chelsea 489 Series PTO, part number 489XFAHX-A3RY or 489XFAHXA3RY
8-bolt direct-mount cast iron housing, no adapter plate required
Wire/cable mechanical shift
1-1/4 inch round keyed output shaft
Intermittent torque rating: 201-300 lb-ft (301-400 Nm)
Output power range: 46-55 HP (31-40 kW)
Tapered bearings for greater load capacity over needle-bearing designs
Fits Eaton Fuller, Mack, Tremec, and other 8-bolt manual transmissions
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4 inch Round Shaft 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
- Product Series: 489
- Compatible Transmissions: Eaton Fuller, Mack, Tremec (8-bolt aperture)
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 489 Series PTO shares internal parts with the Chelsea 442 Series, giving the 489 the same 250 lb-ft torque capacity in a one-piece housing. The 489 Series offers eleven internal speed ratios and twenty-seven output options, including Chelsea's 360-degree rotatable flange with a greaseable shaft to reduce pump shaft spline fretting and corrosion. Typical applications include utility trucks, dump trucks and trailers, snow and ice removal equipment, and fire and rescue vehicles. For service documentation, Parker publishes 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.
