The Chelsea 489ZFDAX-W5XD or 489ZFDAXW5XD is an 8-bolt PTO assembly from Chelsea's 489 Series, designed for Eaton/Fuller, Volvo, and Mack transmissions. It uses a wire/cable mechanical shift and delivers up to 48 HP at 1,000 RPM (24 HP at 500 RPM). The output shaft is a 1-1/4" round type with key option available. Intermittent torque ratings reach 250 lb-ft (339 Nm) -- confirm actual torque limits on Chelsea's application pages for your specific installation. Internal parts share commonality with the Chelsea 442 Series, simplifying shop-floor service. The kit-style design makes field servicing straightforward. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Chelsea 489 Series, 8-bolt mounting configuration
Wire/cable mechanical shift
1-1/4" round output shaft with keyed option available
Intermittent torque up to 250 lb-ft (339 Nm) - verify actual rating on Chelsea application pages
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Internal parts common to Chelsea 442 Series for simplified service and parts sourcing
Tech Specs
- Product Series: 489
- Mounting Type: 8-Bolt
- Mounting Option: Deep Mount (Z)
- Gear Ratio Code: F (21/37)
- Input Gear Designator: DA
- Lube Option: No Pressure Lube (X)
- Shift Option: Cable (Wire) Shift (W)
- Assembly Arrangement: 5
- Output Option: 1-1/4" Round Standard Shaft with 5/16" Key (XD)
- Intermittent Torque: 250 lb-ft / 339 Nm (check Chelsea application pages for actual torque ratings)
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power at 500 RPM: 24 HP / 18 kW
- Shaft Power at 1,000 RPM: 48 HP / 36 kW
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
Additional Information