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Komatsu Wear Parts and Cutting Edges

Komatsu Wear Parts and Cutting Edges

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KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D80Y

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 13W Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 73.543
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D60Z

Part #:

Contact Us For Possible Free Shipping BUCKET END 11/4T 16W Bolt Diameter": 0.875 Thickness": 1.25 Width": 16 Length": 25.591
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D60Y

Part #:

Contact Us For Possible Free Shipping BUCKET END 11/4T 13W Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 25.591
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D50Z

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 16W Bolt Diameter": 0.875 Thickness": 1.25 Width": 16 Length": 66.654
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 42470H2D50Y

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 13W Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 66.654
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4247022250

Part #:

Contact Us For Possible Free Shipping BUCKET CORNER WITH SIDEBAR Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4247012420

Part #:

Contact Us For Possible Free Shipping Weld On Base Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4247012220

Part #:

Contact Us For Possible Free Shipping BASE EDGE-WA400/380 Bolt Diameter": 1 Thickness": 1.375 Width": 8.858 Length": 114.368
KOM 4258152220-Equipment Blades-Equipment Blades Inc
KOM 4247012170

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4247012160

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4247012141

Part #:

Contact Us For Possible Free Shipping WELD ON WEAR PLATE WA400 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4247012121

Part #:

Contact Us For Possible Free Shipping BASE EDGE-WA400 Bolt Diameter": 1 Thickness": 2.835 Width": 8.858 Length": 115
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 423T792210

Part #:

Contact Us For Possible Free Shipping BUCKET CENTER WA380-5 Bolt Diameter": 0.875 Thickness": 1.5 Width": 16 Length": 49.173
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238471140

Part #:

Contact Us For Possible Free Shipping WA350-480 STD LONG TOOTH Bolt Diameter": 0 Thickness": 4.684 Width": 4.868 Length": 10.312
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238231320

Part #:

Contact Us For Possible Free Shipping DOZER EDGE-WA350MP-3/4 Bolt Diameter": 0.75 Thickness": 0.75 Width": 8.031 Length": 17.875
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238231310

Part #:

Contact Us For Possible Free Shipping DOZER EDGE-WA350MP-3/4 Bolt Diameter": 0.75 Thickness": 0.75 Width": 8.031 Length": 71.89
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 423815A140

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE-WA350-11/4 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 22
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 423815A130

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE WA350 DB 11/4 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 63.375
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238152210

Part #:

Contact Us For Possible Free Shipping BOLT ON CENTER WA380-5 Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 49.173
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238091160

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238091150

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238091120

Part #:

Contact Us For Possible Free Shipping Weld On Base Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238061130

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4238061120

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 42370H2C50Z

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 16W Bolt Diameter": 0.875 Thickness": 1.26 Width": 16 Length": 64.252
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 42370H2C50Y

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE 11/4T 13W Bolt Diameter": 0.875 Thickness": 1.25 Width": 13 Length": 64.252
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237032220

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA380-5 Bolt Diameter": 1 Thickness": 1.375 Width": 8.858 Length": 114.368
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237022720

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA380-5 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237022510

Part #:

Contact Us For Possible Free Shipping BUCKET CORNSER WITH SIDEBAR Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237022140

Part #:

Contact Us For Possible Free Shipping WEAR PLATE WA380 Bolt Diameter": 0.875 Thickness": 1.125 Width": 9.125 Length": 15.25
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012220

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA380-5 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012162

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012161

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012152

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012151

Part #:

Contact Us For Possible Free Shipping Weld On Corner Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012140

Part #:

Contact Us For Possible Free Shipping WEAR PLATE WA350-1 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4237012121

Part #:

Contact Us For Possible Free Shipping BUCKET EDGE-WA350-1-7/16 Bolt Diameter": 1 Thickness": 1.375 Width": 8.858 Length": 107.88
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T792220

Part #:

Contact Us For Possible Free Shipping LONG LIFE BUCKET END CGS STYLE Bolt Diameter": 0.875 Thickness": 1.5 Width": 20.906 Length": 7.874
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T792210

Part #:

Contact Us For Possible Free Shipping LONG LIFE BUCKET EDGE Bolt Diameter": 0.875 Thickness": 1.5 Width": 16 Length": 54.331
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T792160

Part #:

Contact Us For Possible Free Shipping LONG LIFE VERSION 4218151121 Bolt Diameter": 0.875 Thickness": 1.5 Width": 16 Length": 40.748
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T792150

Part #:

Contact Us For Possible Free Shipping LONG LIFE VERSION 4218152110 Bolt Diameter": 0.875 Thickness": 1.5 Width": 16 Length": 21.476
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 421T651120

Part #:

Contact Us For Possible Free Shipping BASE EDGE FOR SEGMENTS WA420-1 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218381120T

Part #:

Contact Us For Possible Free Shipping TOP COVER PLATE END SEGMENT Bolt Diameter": 99.999 Thickness": 0.75 Width": 8 Length": 7.087
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218381120

Part #:

Contact Us For Possible Free Shipping END SEGMENT 380 Bolt Diameter": 1 Thickness": 1.25 Width": 13 Length": 7.087
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218381110T

Part #:

Contact Us For Possible Free Shipping TOP COVER PLATE CTR SEGMENT Bolt Diameter": 99.999 Thickness": 0.75 Width": 8 Length": 8.701
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218381110

Part #:

Contact Us For Possible Free Shipping SEGMENT-380-11/4 Bolt Diameter": 1 Thickness": 1.25 Width": 13 Length": 8.7
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218292270

Part #:

Contact Us For Possible Free Shipping CORNER WITH SIDEBAR WA450-3 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0
KOM 42370H2C50Y-Equipment Blades-Equipment Blades Inc
KOM 4218291120

Part #:

Contact Us For Possible Free Shipping BASE EDGE WA450-1 Bolt Diameter": 0 Thickness": 0 Width": 0 Length": 0

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.