The V-Belt 6743-91-6120 is a high-quality engine drive component, specifically designed for Komatsu PC360 and PC300 excavators equipped with the SAA6D114E engine. Manufactured from durable rubber materials, this V-Belt provides reliable power transmission, excellent wear resistance, and stable performance for heavy-duty construction and mining applications.
| Parameter | Description |
| Part Number | 6743-91-6120 |
| Product Name | V-Belt |
| Brand | Komatsu |
| Product Type | Engine V-Belt |
| Material | High-strength rubber + reinforced fiber cord |
| Strength & Performance | Provides stable power transmission and reliable accessory drive performance under heavy-duty conditions |
| Surface Treatment / Protection | Wear-resistant and heat-resistant belt surface |
| Dimensions & Structure | OEM standard configuration |
| Function / Installation Position | Engine accessory drive belt position |
| Operating Conditions | Heavy-duty diesel engine operation |
| Compatible Models | PC360, PC300, SAA6D114E |
| System | Engine belt drive system |
| Weight | 3.38 kg |
| Packaging | Industrial carton + protective packing |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air / Land |
| Payment Method | USD / RMB / RUB |
| Warranty | 6 months |
This V-Belt is compatible with:
If you are unsure whether this part matches your machine, please provide your machine model or serial number, and our technical team will verify compatibility before shipment.
The Komatsu 6743-91-6120 V-Belt is widely used in heavy equipment operating in demanding environments, including:
It provides reliable engine accessory drive performance for continuous heavy-duty equipment operation.
YLCM specializes in supplying Komatsu spare parts and replacement components to customers worldwide.
We provide:
Besides V-Belts, we also supply engine parts, hydraulic components, undercarriage parts, electrical parts, filters, and other Komatsu replacement parts.
Every 6743-91-6120 V-Belt is carefully packed to ensure safe international transportation.
Packaging options include:
Each part is inspected and securely packaged before shipment.
Is this a genuine Komatsu 6743-91-6120 V-Belt?
Yes. We supply genuine Komatsu parts and high-quality OEM replacement parts according to original specifications.
Can you confirm compatibility before ordering?
Yes. Please provide your machine model, serial number, or old part number for verification.
Do you offer international shipping?
Yes. We export Komatsu spare parts worldwide with reliable shipping solutions.
Can you supply other Komatsu parts?
Yes. We supply a full range of Komatsu engine parts, hydraulic parts, undercarriage parts, and electrical components.
Looking for the 6743-91-6120 V-Belt for Komatsu PC360 / PC300 / SAA6D114E?
Contact YLCM today to receive:
Our sales team will provide a competitive quotation and professional service for your Komatsu spare parts requirements.
