The Chelsea 489 Series Power Take-Off Assembly, part number 489KLBGX-A3XD or 489KLBGXA3XD, is an 8-bolt PTO built for manual transmissions including Eaton/Fuller, Volvo/Mack, and Tremec applications. Its 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. Shift is via air shift actuation. The output shaft is a 1-1/4" round with key. Intermittent torque for the 489 Series is rated at 201-300 lb-ft (301-400 Nm), with shaft power of 24 HP at 500 RPM and 48 HP at 1,000 RPM. Internal parts are common with the Chelsea 442 Series, keeping service straightforward. Call us to confirm proper fit for your transmission and application.
Features
8-bolt one-piece cast iron housing mounts directly to the transmission opening, no adapter plate required
Air shift actuation
1-1/4" round output shaft with key
Intermittent torque rating: 201-300 lb-ft (301-400 Nm) at the series level; check application pages for actual torque ratings
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Kit-style construction shares internal parts with the Chelsea 442 Series for easier servicing
Tech Specs
- Product Series: 489
- Mounting Type: 8-Bolt (integral one-piece cast iron housing, no adapter plate)
- Mounting Option: Standard Mount without Stud Kit (K)
- Gear Ratio Code: L (25/34)
- Input Gear Designator: BG
- Lube Option: No Pressure Lube (X)
- Shift Option: Air Shift (A)
- Assembly Arrangement: 3
- Output Option: 1-1/4" Round Standard Shaft with 5/16" Key (XD)
- INTERMITTENT TORQUE (Series): 201-300 lb-ft / 301-400 Nm (check application pages for actual torque ratings)
- OUTPUT POWER (Series): 46-55 HP / 31-40 kW
- Shaft Power: 24 HP at 500 RPM; 48 HP at 1,000 RPM (18 kW at 500 RPM; 36 kW at 1,000 RPM)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Tremec, and other manual transmissions with 8-bolt PTO aperture
Additional Information
Parts manual and diagrams: Chelsea 489 Series PTO parts list with prices
