In 2026, OEM undercarriage bolts and nut assemblies have become the fastest-growing and most highly searched replacement parts on Google for global excavator and bulldozer aftermarket industries. With the rapid recovery of global mining, road reconstruction, farmland renovation and large-scale infrastructure projects, heavy duty track shoe bolts, sprocket segment bolts, bulldozer cutting edge bolts, track roller bolts and all chassis fasteners are facing massive seasonal replacement demand across Europe, North America, the Middle East, Africa and Southeast Asia. Google trending data shows that searches for OEM track bolt and nut, 12.9 grade excavator track shoe bolt, bulldozer cutting edge bolt, track roller bolt OEM number have increased sharply year by year, making undercarriage fasteners the top stocked spare parts for global machinery distributors, repair workshops and equipment rental companies.
Heavy Duty Performance
Harsh working conditions including rocky mining terrain, muddy construction sites, high temperature desert environments and long hour heavy loads easily cause ordinary low grade bolts to break, loosen or slip threads. Therefore, professional fleet owners and wholesale buyers only trust standard 10.9 and 12.9 grade high tensile OEM bolts for official replacement and seasonal bulk stocking.
Fortune Parts Guarantee
Fortune Parts provides full range genuine standard undercarriage bolt assemblies with 100% accurate OEM part numbers, exact dimensions and compatible machine models, covering all mainstream Komatsu, Caterpillar, Shantui and Kubota excavators and bulldozers. Every bolt is produced with 40Cr alloy steel, quenched and tempered for high hardness, strong shock resistance and anti rust surface treatment, fully adapting to global heavy engineering working conditions.
Hot Selling Bolt Series with Exact OEM Numbers, Models & Dimensions (2026 Google Top Search)
1. Track Shoe Bolt & Nut (Most Searched Global)
- Komatsu PC200/PC220: OEM 20Y-32-11130 / M18×65 / 12.9 Grade
- Komatsu D65EX D65PX Bulldozer: OEM 01010-52270 / M20×70 / 12.9 Grade
- Shantui SD22: OEM 154-32-11140 / M22×80 / 12.9 Grade
2. Sprocket Segment Bolt / Tooth Block Bolt
- Komatsu D65 Bulldozer: OEM 14X-32-11140 / M20×75
- CAT320D Excavator: OEM 8E0428 / M18×70
3. Bulldozer Cutting Edge Bolt / End Bit Bolt
- CAT D6R D6N: OEM 9W3624 / M22×85
- Shantui SD16 SD22: OEM 16Y-80-00010 / M20×80
4. Track Roller & Idler Bolt
- Komatsu PC200-7/PC200-8: OEM 20Y-32-11230 / M18×65
- Kubota KX040-4 Mini Excavator: OEM RD411-22911 / M12×45
All bolt assemblies are strictly manufactured according to OEM standards, ensuring perfect fitting, no deformation, no thread error and long service life. Compared with ordinary market bolts, our 12.9 grade high tensile fasteners improve wear resistance and fracture resistance by more than 40%, greatly reducing equipment maintenance frequency and downtime loss.
Fortune Parts maintains large spot inventory for all above hot sale bolt models, supporting sample orders, mixed container loading and full FCL wholesale. Products are widely shipped to Europe, America, Middle East, Africa and Southeast Asia major ports. Factory direct price, stable quality and complete OEM data support make us the preferred long term supplier for global construction machinery spare parts distributors.
Get a Quote & OEM Catalog
If you are searching for bulk OEM undercarriage bolt assemblies, high tensile track bolt and nut, cutting edge bolt and roller bolt replacement on Google, welcome to contact us for full OEM catalog, dimension specification and exclusive wholesale price.
sales@fortune-parts.com
+8617750909080
https://www.fortune-parts.com
Post time: Aug-17-2026