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Blade Cutting Edge 144-70-11260 Komatsu Bulldozer

Blade Cutting Edge 144-70-11260 Komatsu Bulldozer

Blade Cutting Edge 144-70-11260 Komatsu Bulldozer

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Product Detail

Product Description: Blade Cutting Edge 144-70-11260 for Komatsu Bulldozer

The Blade Cutting Edge 144-70-11260 is a genuine Komatsu OEM component designed for the undercarriage wear parts of Komatsu crawler bulldozers. As a critical ground-engaging tool (GET), the cutting edge is bolted to the lower leading face of the bulldozer blade (moldboard) and serves as the primary contact point during dozing, pushing, and leveling operations. By absorbing direct abrasion and impact loads, this sacrificial wear part protects the more expensive blade structure from premature wear and structural fatigue.

1. Primary Cutting Edge Assembly

Part NumberPart Name / DescriptionApplication / Notes
144-70-11260Blade Cutting Edge / Dozer Cutting Edge (推土机刀板)Komatsu D375A and compatible bulldozers; through-hardened alloy steel cutting edge; protects moldboard from abrasion and impact; OEM genuine Komatsu spare part; also listed as end bit blade in aftermarket catalogs alongside 144-70-11250

2. Related Komatsu Cutting Edge and End Bit Part Numbers

The 144-70-11260 is part of a family of Komatsu cutting edge part numbers. The table below lists additional reference numbers for similar applications:

Part NumberPart Name / DescriptionApplication / Notes
144-70-11131Double Bevel Cutting EdgeKomatsu bulldozer cutting edge; double bevel configuration for general earthmoving
144-70-11250Blade Cutting Edge / End BitKomatsu bulldozer; companion/alternative part number to 144-70-11260; often mentioned alongside 144-70-11260 in supplier catalogs
144-70-61140Dozer Cutting EdgeKomatsu dozer blade / cutting edge
175-70-21114Dozer Cutting EdgeKomatsu dozer blade / cutting edge for D275–D375 series
175-70-21115Dozer Cutting EdgeKomatsu dozer blade / cutting edge for D275–D375 series
195-71-11654Heavy Equipment Bulldozer Cutting EdgeKomatsu D275, D355, D375 dozers; high-performance center blade cutting edge

3. Related Komatsu Cutting Edge Hardware (Bolts and Nuts)

When installing a Komatsu cutting edge, proper mounting hardware is essential. Bolts and nuts for cutting edge fastening are supplied as separate part numbers, often in matched sets:

Part NumberPart Name / DescriptionApplication / Notes
17A-71-12451Bolt for Cutting Edge (w/o part description)Komatsu dozer cutting edge mounting; used with 17M-71-21530 nut; supplied as matched pair in aftermarket kits
17M-71-21530Nut for Cutting Edge (w/o part description)Komatsu dozer cutting edge mounting; used with 17A-71-12451 bolt; includes in cutting edge fastener kits
195-71-52280Bolt for Cutting Edge (w/o part description)Komatsu D275, D355, D375 dozers; cutting edge mounting bolt; supplied with 17M-71-21530 nut
17M-71-21530Nut for Cutting Edge (w/o part description)Komatsu dozer cutting edge nut; matches 195-71-52280 bolt; sold as part of fastener kits
175-71-11454Bolt for Cutting Edge (w/o part description)Komatsu bulldozer; cutting edge mounting bolt for mid-size dozer applications
175-71-11530Nut for Cutting Edge (w/o part description)Komatsu bulldozer; cutting edge mounting nut; matches 175-71-11454 bolt
17A-71-12451 + 17M-71-21530Hardware KitComplete cutting edge fastener kit (1 bolt + 1 nut); multiple kits required per cutting edge

4. Material Specifications for Aftermarket Cutting Edges

For aftermarket equivalent cutting edges manufactured to OEM specifications:

Material GradeTypical ApplicationHardness (BHN)
30MnB heat-treated boron steelHigh-abrasion, low-impact dozing (rock, mining)BHN 370–420
C80 carbon steelGeneral earthmoving, moderate abrasionBHN 280–340
16Mn manganese steelHigh-impact, moderate-abrasion environmentsBHN 220–280


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Product Detail

Product Description: Blade Cutting Edge 144-70-11260 for Komatsu Bulldozer

The Blade Cutting Edge 144-70-11260 is a genuine Komatsu OEM component designed for the undercarriage wear parts of Komatsu crawler bulldozers. As a critical ground-engaging tool (GET), the cutting edge is bolted to the lower leading face of the bulldozer blade (moldboard) and serves as the primary contact point during dozing, pushing, and leveling operations. By absorbing direct abrasion and impact loads, this sacrificial wear part protects the more expensive blade structure from premature wear and structural fatigue.

1. Primary Cutting Edge Assembly

Part NumberPart Name / DescriptionApplication / Notes
144-70-11260Blade Cutting Edge / Dozer Cutting Edge (推土机刀板)Komatsu D375A and compatible bulldozers; through-hardened alloy steel cutting edge; protects moldboard from abrasion and impact; OEM genuine Komatsu spare part; also listed as end bit blade in aftermarket catalogs alongside 144-70-11250

2. Related Komatsu Cutting Edge and End Bit Part Numbers

The 144-70-11260 is part of a family of Komatsu cutting edge part numbers. The table below lists additional reference numbers for similar applications:

Part NumberPart Name / DescriptionApplication / Notes
144-70-11131Double Bevel Cutting EdgeKomatsu bulldozer cutting edge; double bevel configuration for general earthmoving
144-70-11250Blade Cutting Edge / End BitKomatsu bulldozer; companion/alternative part number to 144-70-11260; often mentioned alongside 144-70-11260 in supplier catalogs
144-70-61140Dozer Cutting EdgeKomatsu dozer blade / cutting edge
175-70-21114Dozer Cutting EdgeKomatsu dozer blade / cutting edge for D275–D375 series
175-70-21115Dozer Cutting EdgeKomatsu dozer blade / cutting edge for D275–D375 series
195-71-11654Heavy Equipment Bulldozer Cutting EdgeKomatsu D275, D355, D375 dozers; high-performance center blade cutting edge

3. Related Komatsu Cutting Edge Hardware (Bolts and Nuts)

When installing a Komatsu cutting edge, proper mounting hardware is essential. Bolts and nuts for cutting edge fastening are supplied as separate part numbers, often in matched sets:

Part NumberPart Name / DescriptionApplication / Notes
17A-71-12451Bolt for Cutting Edge (w/o part description)Komatsu dozer cutting edge mounting; used with 17M-71-21530 nut; supplied as matched pair in aftermarket kits
17M-71-21530Nut for Cutting Edge (w/o part description)Komatsu dozer cutting edge mounting; used with 17A-71-12451 bolt; includes in cutting edge fastener kits
195-71-52280Bolt for Cutting Edge (w/o part description)Komatsu D275, D355, D375 dozers; cutting edge mounting bolt; supplied with 17M-71-21530 nut
17M-71-21530Nut for Cutting Edge (w/o part description)Komatsu dozer cutting edge nut; matches 195-71-52280 bolt; sold as part of fastener kits
175-71-11454Bolt for Cutting Edge (w/o part description)Komatsu bulldozer; cutting edge mounting bolt for mid-size dozer applications
175-71-11530Nut for Cutting Edge (w/o part description)Komatsu bulldozer; cutting edge mounting nut; matches 175-71-11454 bolt
17A-71-12451 + 17M-71-21530Hardware KitComplete cutting edge fastener kit (1 bolt + 1 nut); multiple kits required per cutting edge

4. Material Specifications for Aftermarket Cutting Edges

For aftermarket equivalent cutting edges manufactured to OEM specifications:

Material GradeTypical ApplicationHardness (BHN)
30MnB heat-treated boron steelHigh-abrasion, low-impact dozing (rock, mining)BHN 370–420
C80 carbon steelGeneral earthmoving, moderate abrasionBHN 280–340
16Mn manganese steelHigh-impact, moderate-abrasion environmentsBHN 220–280


Blade Cutting Edge 144-70-11260 Komatsu Bulldozer
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WeChat:172 6962 9279

E-mail:asher@wuchenjialianspareparts.com

Tel:+86-172 696 29279

Address:No. 667, Zhujiang Road, Xuejiadao 

Street, Huangdao District, Qingdao, Qingdao Area, China (Shandong) Pilot Free Trade Zone

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Excavator Parts
Wheel Loader Accessories
Bulldozer Parts
Crane Accessories
Truck Parts
Engine Parts
Transmission Parts
Road Roller Accessories
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Service

Pre-Sale Consultation

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Downloads

Company

About Us

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© Copyright - 2026 Qingdao Wuchen Jialian International Trade Co., Ltd . All Rights Reserved.

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