Mitsubishi Excavator Swing Bearing

Mitsubishi Excavator Swing Bearing parts list
Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	MM55SR, MM55SR-2	Swing Bearing		120-0361	From $1,750.00	View Info
	See Details	MM15T	Swing Bearing		139-4302	From $1,330.00	View Info

Swing bearings for Mitsubishi excavators, covering compact mini excavators through mid-size crawler excavators across the ME, MM, MX, and MS series. These slewing ring bearings allow the upper house to rotate on the undercarriage and are critical to safe, precise machine operation.

Fits Models At A Glance

ME Series: ME08B, ME15, ME20, ME25, ME30, ME35
MM Compact Series: MM08, MM08B, MM15, MM15T, MM20CR, MM20SR, MM20T, MM25T, MM30, MM30CR, MM30CR-2, MM30SR, MM35, MM40CR, MM40SR, MM40SR-3, MM45, MM45B, MM55SR, MM55SR-2
MX Series: MX35, MX55
MS Mid-Size Series: MS070-8, MS110-2, MS110-3, MS110-5, MS110-8, MS120-1, MS120-2, MS120-8, MS140-2, MS140-8, MS180-2, MS180-3, MS180-8
Cat/Mitsubishi Joint: 302.5

Key Notes

Application: Upper house slewing ring connecting superstructure to undercarriage on hydraulic excavators
Series Coverage: Spans mini excavators from the MM08 class through mid-size MS180 machines
Part Cross-Reference: SKUs include OEM-style part numbers such as AEH04588, 808103, 807686, PA2038, and B74890200 series
Caterpillar Overlap: The 302.5 model shares fitment with Mitsubishi MM20T and MM25T
Condition: New replacement swing bearings available for all listed models

Why Choose Broken Tractor

✅ Wide Mitsubishi coverage from mini to mid-size excavators
✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
✅ Knowledgeable staff to confirm correct bearing fitment

Frequently Asked Questions

What does a swing bearing do on a Mitsubishi excavator?

The swing bearing is the slewing ring that connects the upper house to the undercarriage and lets the upper structure rotate. Because it carries the superstructure during every swing, it is critical to safe, precise operation of the excavator. Broken Tractor carries swing bearings for Mitsubishi excavators from compact mini machines up through mid-size crawler excavators.

What swing bearing fits a Mitsubishi MM55SR excavator?

Broken Tractor offers a swing bearing under SKU 120-0361 that fits the Mitsubishi MM55SR and MM55SR-2 excavators. Match the part number on your existing bearing before ordering to confirm it is the right one for your machine.

What swing bearing fits a Mitsubishi MM15T mini excavator?

The Mitsubishi MM15T uses the swing bearing Broken Tractor lists under SKU 139-4302. Fitment can vary by model, so compare the part number on your current bearing with the listing before ordering.

Which Mitsubishi excavator models does Broken Tractor carry swing bearings for?

We carry swing bearings across the Mitsubishi ME, MM, MX and MS series, from the MM08 class mini excavators through the MS180 mid-size machines. Models include the ME15, MM30CR, MM40SR-3, MX55, MS110-8 and MS180-8, along with OEM-style part numbers such as AEH04588, 808103, 807686, PA2038 and the B74890200 series. Fitment can depend on model and serial number, so match your part number or call (800) 909-7060 to confirm the correct bearing.

Are the Mitsubishi excavator swing bearings new or used?

The Mitsubishi excavator swing bearings Broken Tractor offers are new replacement bearings. They are built to take the place of a worn slewing ring between the upper house and the undercarriage, and orders ship fast from Baton Rouge, LA and Kimbolton, OH.