PTO489XSAHX-A3XK Power Take Off (PTO) Assembly Replaces Chelsea 489XSAHX-A3XK

PTO489XSAHX-A3XK is a replacement for the Chelsea 489XSAHX-A3XK (Chelsea 489 series) designed for a clean swap onto the existing pad. No bracket welding, no shaft adaptors — just the original mounting pattern done right.

Product Overview

• Part Type: Power Take Off (PTO) Assembly
• Model / SKU: PTO489XSAHX-A3XK
• OEM Reference: Compatible with Chelsea 489 series — replacement for 489XSAHX-A3XK
• Condition: 100% Brand New / Direct-Fit Replacement
• Application: Truck, bus and commercial vehicle transmissions

Compatibility

• Suitable for hydraulic pump drive on trucks and vocational equipment using Chelsea-class PTOs.
• Offered as a replacement for the Chelsea 489 series PTO (matches Chelsea 489XSAHX-A3XK).
• Fits the same transmission mounting pad and shaft interface as the referenced Chelsea unit.

Key Features

• Direct-fit mounting to the original transmission pad — no bracket fabrication required.
• Corrosion-resistant finish for long service in harsh operating environments.
• Sealed, leak-resistant housing built to handle road vibration and daily washdown.
• OEM-level fit and finish that matches the original equipment interface.
• Balanced rotation for smooth engagement under load.

Applications

• Dump trucks and tipper bodies
• Trailer and carrier refrigeration drives
• Concrete mixers and transit mixers
• Railway maintenance vehicles
• Forestry and logging equipment

Technical Notes

This unit is supplied as a new, direct-fit replacement. It is not a restored or rebuilt core. For best results, inspect the transmission's PTO aperture and shaft seal during installation, and confirm rotation direction matches your hydraulic pump requirement.

FAQ

Q: Will the PTO489XSAHX-A3XK fit the Chelsea 489XSAHX-A3XK it references?

A: The PTO489XSAHX-A3XK is offered as a replacement for the Chelsea 489XSAHX-A3XK. Confirm fitment by matching your existing Chelsea part number and transmission pad; our team can verify it against your old unit before you order.

Q: What hydraulic equipment can I run with this Chelsea 489 replacement?

A: This PTO assembly drives hydraulic pumps for dump bodies, mixers, refuse packers and other vocational equipment. It is compatible with the standard hydraulic pump mounts used on Chelsea 489-class units.

Q: Do you sell the factory Chelsea unit, or are you an authorized Chelsea dealer?

A: No. This is an aftermarket replacement supplied by KT Auto Parts, built to be compatible with the Chelsea unit it references. We are not Chelsea and do not represent the brand.

Explore more Power Take Off (PTO) and commercial-vehicle parts at KT Auto Parts.