421-20-34511 Driveshaft Assembly | Komatsu D65EX-16 U-Joint
Brand:KIMI KOTO
# 421-20-34511 Driveshaft Universal Joint Assembly
Part Number: 421-20-34511
Fit for: Komatsu D65EX-16 Bulldozer
This heavy-duty driveshaft universal joint assembly (propeller shaft) is designed for Komatsu D65EX-16 bulldozer transmission system. It works to transfer power reliably under tough earthmoving and construction working conditions.
The assembly is built with forged alloy steel and precision machined components. Key parts go through heat treatment process for enhanced wear resistance and load capacity. Sealed bearing structure helps reduce dust and mud intrusion, extending service life on construction sites.
✅ Product Specifications
- Part Number: 421-20-34511
- Brand: KIMI KOTO
- Fitment: Komatsu D65EX-16 Bulldozer
- Product Type: Driveshaft / Propeller Shaft Universal Joint Assembly
- Application: Bulldozer power transmission replacement spare part
- Features: Heavy load capacity, dust-resistant sealed structure, precise mounting dimensions
✅ Why select KIMI KOTO 421-20-34511 driveshaft assembly?
1. Full dimension check and assembly inspection before shipment. We verify mounting sizes to match your machine requirements.
2. Sample trial order is supported. You can test fitment and performance before large bulk purchase. 3. Flexible order quantity. We serve spare parts distributors, equipment repair workshops and construction service teams.
4. Anti-rust protective packaging with clear part marking, easy for your warehouse stock management and resale.
5. Our factory focuses on driveshaft, universal joint and construction machinery transmission spare parts with rich production experience.
✅ We fully understand your common concerns:
✔ Fitment verification: Send us your machine serial number or old part photos, our technical team will double-check compatibility before you order.
✔ Lead time arrangement: Stable production and stock, priority shipment available for urgent machine breakdown repair orders.
✔ Quality consistency: Mass production adopts the same material, machining and heat treatment standards as approved samples.
✔ Technical support: We offer installation guidance and fitment troubleshooting support for your maintenance work.
If you are sourcing dependable 421-20-34511 driveshaft assembly for Komatsu D65EX-16 bulldozer maintenance, send your inquiry now to get the latest wholesale price and stock information. We also supply a wide range of bulldozer, excavator and loader transmission spare parts.

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Date: Nov 23 – 26, 2026
Booth No.: H4.107
Sasha | WhatsApp: +8613216776857
Email: sales4@sdf-driveshaft.com
Mob:+86-18368576202

