The Chelsea 489 Series Power Take-Off Assembly, part number 489GHAHX-A5GH or 489GHAHXA5GH, is a one-piece cast iron PTO designed for manual transmissions with an 8-bolt mounting aperture. The integral housing bolts directly to the transmission opening without an adapter plate, eliminating a potential leak path. This unit uses a wire/cable mechanical shift and delivers up to 55 HP output power, with shaft power rated at 24 HP at 500 RPM and 48 HP at 1000 RPM. The 1-1/4" round output shaft accepts a key. Internal parts are common to the Chelsea 442 Series. Compatible transmissions include Eaton Fuller, Mack, and Tremec. 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
1-1/4" round output shaft with keyway
Shaft power: 24 HP at 500 RPM, 48 HP at 1000 RPM
Intermittent torque rating: 201-300 lb-ft (series characteristic; check application pages for actual torque ratings)
Internal parts common to Chelsea 442 Series; kit-style design simplifies service
Greaseable output options available; strong tapered bearings for greater load capacity
Tech Specs
- PRODUCT SERIES: 489
- MOUNTING TYPE: 8-Bolt
- SHIFT TYPE: Wire/Cable Mechanical
- OUTPUT SHAFT TYPE: 1-1/4" Round with Key
- OUTPUT POWER: 46-55 HP (31-40 kW)
- SHAFT POWER: 24 HP (18 kW) at 500 RPM; 48 HP (36 kW) at 1000 RPM
- INTERMITTENT TORQUE: 201-300 lb-ft / 301-400 Nm (Check Application Pages for Actual Torque Ratings)
- CONTINUOUS TORQUE: De-rate torque rating 30% (Check Application Pages for Actual Torque Ratings)
- TRANSMISSION COMPATIBILITY: Eaton/Fuller, Mack, Tremec and other manual transmissions with 8-bolt PTO aperture
- 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.
