The Chelsea 489 Series Power Take-Off Assembly, part number 489KXAHX-A5XK or 489KXAHXA5XK, is an 8-bolt PTO designed for manual transmissions including Eaton Fuller, Volvo/Mack, and Tremec. The one-piece cast iron housing bolts directly to the 8-bolt transmission opening, eliminating the need for an adapter plate and reducing potential leak paths. Output shaft is a 1-1/4" round with key. Shift type is wire/cable mechanical. Intermittent torque rating for the 489 Series is 250 lb-ft (339 Nm); shaft power is rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Internal parts are common to the Chelsea 442 Series. 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
Wire/cable mechanical shift type; Electric over Air shift option available
1-1/4" round output shaft with key; greaseable output options reduce spline fretting and corrosion
Intermittent torque rating: 250 lb-ft (339 Nm) per 489 Series specification
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Internal parts are common to the Chelsea 442 Series, supporting broad service parts availability
Kit-style design simplifies field servicing
Tech Specs
- PRODUCT SERIES: 489
- MOUNTING TYPE: 8-Bolt
- SHIFT TYPE: Wire/Cable Mechanical
- OUTPUT SHAFT TYPE: 1-1/4" Round with Key
- INTERMITTENT TORQUE: 250 lb-ft (339 Nm) - Check Application Pages for Actual Torque Ratings
- 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 MANUFACTURER COMPATIBILITY: Eaton/Fuller, Volvo/Mack, Tremec, Other
- LUBRICANT: X = No Pressure Lube; P = Pressure Lube
Additional Information
Parts Manual: Chelsea 489 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
