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Komatsu Wear Parts and Cutting Edges

Komatsu Wear Parts and Cutting Edges

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KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425V641120

Part #:

Contact Us For Possible Free Shipping BASE EDGE COAL BUCKET WA500 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425V631211

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA500 COAL BUCKET Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425V622120

Part #:

Contact Us For Possible Free Shipping BASE EDGE FOR CGS BOE ONLY Bolt Diameter": 1.125 Thickness": 1.5 Width": 10.63 Length": 133.86
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425838A110H

Part #:

Contact Us For Possible Free Shipping CAST HALF ARROW SEG 425838A110 Bolt Diameter": 1.25 Thickness": 1.75 Width": 15.25 Length": 11.188
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425838A110F

Part #:

Contact Us For Possible Free Shipping FAB TOP PLATE WA500 SEGMENT Bolt Diameter": 1.25 Thickness": 1 Width": 10 Length": 11.188
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 4258382120

Part #:

Contact Us For Possible Free Shipping SEGMENT RH WA500-3 Bolt Diameter": 1.25 Thickness": 1.5 Width": 15.984 Length": 15.504
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 4258382110

Part #:

Contact Us For Possible Free Shipping SEGMENT LH WA500-3 Bolt Diameter": 1.25 Thickness": 1.5 Width": 15.984 Length": 15.504
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 4258381110

Part #:

Contact Us For Possible Free Shipping SEGMENT WA 500 Bolt Diameter": 1.25 Thickness": 1.496 Width": 15.984 Length": 11.219
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425815A120

Part #: KOM 425815A120

KOM 425815A120

Part #: KOM 425815A120

KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425815A110A

Part #:

Contact Us For Possible Free Shipping 425815A110-IN HALF-NEED 2 Bolt Diameter": 1 Thickness": 1.5 Width": 16 Length": 41.125
KOM 4258382120-Equipment Blades-Equipment Blades Inc
KOM 425815A110

Part #: KOM 425815A110

KOM 425815A110

Part #: KOM 425815A110

KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258152220

Part #:

Contact Us For Possible Free Shipping BOLT ON BLADE WA500-3 Bolt Diameter": 1 Thickness": 1.625 Width": 16 Length": 59.173
4T6671 ext-Cutting Edges-Equipment Blades Inc-Equipment Blades Inc
KOM 4258152210

Part #:

Contact Us For Possible Free Shipping BUCKET END CGS WA500-3 Bolt Diameter": 1 Thickness": 1.625 Width": 21.89 Length": 7.48
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258151520

Part #:

Contact Us For Possible Free Shipping WA500 COAL BUCKET END Bolt Diameter": 1 Thickness": 0 Width": 0 Length": 28.346
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258151510

Part #:

Contact Us For Possible Free Shipping WA500 COAL BUCKET EDGE Bolt Diameter": 1 Thickness": 0 Width": 0 Length": 96.614
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258092230

Part #:

Contact Us For Possible Free Shipping SPADE NOSE WA500-3 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258091122

Part #:

Contact Us For Possible Free Shipping Weld On Base Edge Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4258091121

Part #:

Contact Us For Possible Free Shipping Weld On Base Edge Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257032161

Part #:

Contact Us For Possible Free Shipping BOLT ON WEAR PLATE Bolt Diameter": 1 Thickness": 1.5 Width": 8.858 Length": 23.228
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257022220

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA500-3 CGS Bolt Diameter": 1.125 Thickness": 1.5 Width": 10.63 Length": 133.86
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257022141

Part #:

Contact Us For Possible Free Shipping HEEL PLATE WA500 11/2 Bolt Diameter": 1 Thickness": 1.5 Width": 9 Length": 21.75
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012321

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA500-1 WA500-3 Bolt Diameter": 1.125 Thickness": 1.5 Width": 10.63 Length": 133.86
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012261

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012260

Part #:

Contact Us For Possible Free Shipping BUCKET CORNER RH WA500-1 Bolt Diameter": 1.25 Thickness": 1.625 Width": 13.125 Length": 13.5
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012251

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012250

Part #:

Contact Us For Possible Free Shipping BUCKET CORNER LH WA500-1 Bolt Diameter": 1.25 Thickness": 1.625 Width": 13.125 Length": 13.5
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012141

Part #:

Contact Us For Possible Free Shipping WELD ON WEAR PLATE WA500 Bolt Diameter": 2 Thickness": 1.25 Width": 15.5 Length": 19.75
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4257012122

Part #:

Contact Us For Possible Free Shipping BASE EDGE FOR BOE ONLY Bolt Diameter": 1.125 Thickness": 1.5 Width": 10.625 Length": 134
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424T791120

Part #:

Contact Us For Possible Free Shipping SHOULD BE SAME AS 424815A130 Bolt Diameter": 0.875 Thickness": 0 Width": 0 Length": 22.638
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424T791110

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE (424815A140/2) Bolt Diameter": 0.875 Thickness": 0 Width": 0 Length": 34.35
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424T651120

Part #:

Contact Us For Possible Free Shipping BASE EDGE FOR SEGMENTS Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A140H

Part #:

Contact Us For Possible Free Shipping HALF ARROW CENTER Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 68.812
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A140

Part #: KOM 424815A140

KOM 424815A140

Part #: KOM 424815A140

Center piece recommended for following models: Dressta/Dresser/International/Hough 538, KOM WA350-1, KOM WA380-1, KOM WA380-3, WA380-5, KOM WA400-...
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A130H

Part #:

Contact Us For Possible Free Shipping HALF ARROW END Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 22.625
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A130

Part #: KOM 424815A130

KOM 424815A130

Part #: KOM 424815A130

End piece recommended for following models: Dressta/Dresser/International/Hough 538, KOM WA350-1, KOM WA380-1, KOM WA380-3, KOM WA380-5, KOM WA400-...
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A12HC

Part #:

Contact Us For Possible Free Shipping HALF ARROW CENTER Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 73.406
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A120

Part #:

Contact Us For Possible Free Shipping BUCKETEDGE WA420/50 11/4 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 73.406
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A11HR

Part #:

Contact Us For Possible Free Shipping HALF ARROW END RH Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 23.438
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A11HL

Part #:

Contact Us For Possible Free Shipping HALF ARROW END LH Bolt Diameter": 0.875 Thickness": 1.563 Width": 10 Length": 23.438
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 424815A110

Part #: KOM 424815A110

KOM 424815A110

Part #: KOM 424815A110

Contact Us For Possible Free Shipping BUCKET END WA420/450/470 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 23.438
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248151121

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE-WA400 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 23.031
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248091160

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248091150

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248061170

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248061160

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248061130

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4248061120

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D80Z

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 16W Bolt Diameter": 0.875 Thickness": 1.25 Width": 16 Length": 73.543

Komatsu equipment is built to handle some of the most punishing ground conditions in construction, mining, and grading. WA-series wheel loaders (WA320 through WA600), D-series crawler dozers (D21 through D475), and WB-series backhoe loaders (WB140, WB150) all depend on high-quality cutting edges and wear components to maintain productivity and protect the structural steel underneath.

What Are Komatsu Cutting Edges and Wear Parts

A Komatsu cutting edge is the primary wear surface that contacts soil, gravel, asphalt, or rock. It absorbs abrasion and impact while preserving the base edge attachment on the bucket or blade. Supporting wear parts include end bits, corner guards, adapters, and protective side plates, each shielding a high-impact zone during digging, pushing, and grading on WA-series loaders, D-series dozers, and WB-series backhoes.

Why Replace Komatsu Wear Parts Regularly

  • Prevent structural damage. Running a cutting edge too thin exposes the bucket lip or moldboard to direct wear and costly structural repairs.
  • Keep cuts clean. Sharp, properly fitted edges reduce bounce and chatter during grading passes and improve dig penetration.
  • Lower operating costs. Efficient blade penetration reduces machine strain, cycle times, and fuel consumption.
  • Enable faster field swaps. Bolt-on cutting edges simplify maintenance and keep Komatsu machines productive with minimal downtime.
  • Extend total service life. Rotating or flipping reversible edges distributes wear evenly across both sides of the blade.

Why Choose Equipment Blades for Komatsu Parts

  • OEM-compatible fitment. Cutting edges built to match Komatsu WA-series loaders, D-series dozers, and WB-series backhoes.
  • Abrasion-resistant steel. Options built for extended wear life in tough applications.
  • Broad model coverage. Inventory spanning multiple Komatsu machine models and configurations, from WA320 loaders to D475 dozers.
  • Custom fabrication. Domestic manufacturing with custom hole spacing and thickness when needed.
  • Real fitment help. Our team confirms the correct part for your specific Komatsu machine before it ships.

Common FAQs About Komatsu Cutting Edges and Wear Parts

How do I confirm a cutting edge fits my Komatsu loader or dozer

Measure your existing blade's length, hole spacing, thickness, and bevel style, and cross-reference your Komatsu model number. Matching those details against the part spec confirms fitment across the WA and D-series lines.

What is the difference between single bevel and double bevel edges

Single bevel edges cut in one direction. Double bevel, or reversible, blades can be flipped once the first side wears down, extending total service life.

When should I flip a reversible blade

Flip the blade once wear reaches roughly half the usable edge thickness. This maximizes total life and prevents structural exposure on the moldboard or bucket lip.

What bolt grade should I use to mount a cutting edge

Use high-strength hardware, Grade 8 or equivalent plow bolts, for secure mounting under the heavy load and vibration Komatsu dozer and loader work generates.

Do you carry parts for older Komatsu models

Yes. Send us your machine model and serial number and we will confirm availability for legacy and current production equipment, including WB-series backhoe loaders and D-series dozers.

Not sure which parts you need?

Our friendly service reps will be happy to assist. Please download and fill out our blade measurement form and either fax or email it back and we’ll find you the right parts.