The Chelsea 489 Series Power Take-Off Assembly, part number 489XRAHX-S3XK or 489XRAHXS3XK, mounts directly to an 8-bolt transmission opening with a one-piece cast iron housing that eliminates the adapter plate and reduces potential leak paths. The 489 Series delivers intermittent torque in the 201-300 lb-ft range and shaft power of 24 HP at 500 RPM and 48 HP at 1,000 RPM. Output is via an SAE B 2 or 4-bolt flange with a 7/8" 13-tooth SAE B shaft. Shift is air shift with a PTO/dump pump combo valve. Compatible transmissions include Eaton Fuller, Mack, and Tremec manual transmissions. Tapered bearings handle the load in place of needle bearings. A genuine Chelsea part available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-bolt one-piece cast iron housing mounts directly to transmission opening, no adapter plate required
Air shift with a PTO/dump pump combo valve; electric-over-air shift option available in the 489 Series
Intermittent torque rating 201-300 lb-ft; shaft power 24 HP at 500 RPM and 48 HP at 1,000 RPM
SAE B 2 or 4-bolt flange with a 7/8" 13-tooth SAE B shaft
Tapered bearings for greater load-bearing capability vs. needle-bearing designs
Kit-style construction shares internal parts with the Chelsea 442 Series for easier service
Tech Specs
- Product Series: 489
- Mounting Type: 8-Bolt
- Mounting Option: Standard Mount (X)
- Gear Ratio Code: R (22/24)
- Input Gear Designator: AH
- Lube Option: No Pressure Lube (X)
- Shift Option: Air Shift with PTO/Dump Pump Combo Valve (with Kick-Out, with Neutral Spring Return) (S)
- Assembly Arrangement: 3
- Output Option: SAE B 2 or 4-Bolt Flange, SAE B Shaft (7/8" 13T) (XK)
- Intermittent Torque: 201-300 lb-ft (301-400 Nm) -- check application pages for actual torque rating
- Continuous Torque: De-rate intermittent torque rating by 30% -- check application pages for actual rating
- 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
- Transmission Compatibility: Eaton Fuller, Mack, Tremec (8-bolt aperture manual transmissions)
Additional Information