711-28-44330 Bearing is a precision-engineered Komatsu component designed for the HD785 powertrain system. Used in the torque converter assembly, it provides reliable rotational support and stable load-bearing performance for demanding heavy-duty operations. Its durable construction and precision-machined surfaces make it suitable for mining, quarrying, construction, and material-hauling environments.
| Parameter | Description |
| Part Number | 711-28-44330 |
| Product Name | Bearing |
| Brand | Komatsu |
| Product Type | Heavy-Duty Final Drive Bearing |
| Material | Alloy bearing steel |
| Strength & Performance | Designed for high-load final drive systems in large mining dump trucks |
| Surface Treatment / Coating | Anti-corrosion oil coated |
| Dimensions & Structure | OEM standard |
| Function / Installation Position | Final drive and axle assembly |
| Operating Conditions | Extreme mining conditions |
| Compatible Models | HD785 |
| Weight | 3 kg |
| Packaging | Industrial heavy-duty packaging |
| Lead Time | 30–90 days |
| Shipping Method | Air / Sea / Land |
| Payment Method | USD / RMB / Ruble |
| Warranty | 6 months |
The 711-28-44330 Bearing is a precision-engineered Komatsu powertrain component designed for the HD785 series of heavy-duty dump trucks. It is used in the torque converter system and provides dependable support for rotating components, helping maintain smooth and stable power transmission during demanding mining and hauling operations.
The 711-28-44330 Bearing is associated with the following Komatsu equipment:
Parts references also identify applications on Komatsu HD985-3, HD985-5, and 330M equipment. Since the supplied product information specifies HD785, the main compatible model range for this listing is HD785.
For accurate fitment, customers should provide the machine serial number (PIN) before ordering.
The 711-28-44330 Bearing is suitable for heavy-duty applications including:
It is used within the powertrain and torque converter system of large dump trucks, where dependable bearing performance is essential for stable power transmission and continuous equipment operation.
YLCM specializes in supplying spare parts for construction and mining machinery to customers worldwide.
Our product range covers bearings, transmission components, torque converter parts, engine components, hydraulic parts, undercarriage parts, cooling system components, seals, filters, and other heavy equipment spare parts.
YLCM works with customers to verify part numbers, machine applications, packaging requirements, and shipping solutions before shipment.
The 711-28-44330 Bearing is carefully packaged to help protect the product from moisture, contamination, corrosion, and transportation impact.
Shipping solutions include:
Packaging can be adjusted according to order quantity, product dimensions, and transportation requirements.
Q: What is 711-28-44330?
A: 711-28-44330 is a Komatsu bearing listed under the Power Train category.
Q: Which Komatsu machines use 711-28-44330?
A: Parts references identify the bearing for HD785-3, HD785-5, HD785-5LC, and HD785-7, with additional applications listed for HD985 and 330M models.
Q: Where is 711-28-44330 installed?
A: HD785-7 parts references show it in the torque converter and transmission powertrain assembly.
Q: Is 711-28-44330 a genuine Komatsu part number?
A: Yes. Komatsu’s official parts platform lists 711-28-44330 as a Bearing under Power Train.
Q: How can I confirm compatibility?
A: Please provide the machine model and serial number (PIN). Our technical team can check the application before shipment.
Q: What is the warranty period?
A: The standard warranty is 6 months.
Q: How is the bearing packaged?
A: The bearing is packed using export-standard protective packaging to help prevent moisture, corrosion, contamination, and transportation damage.
Looking for 711-28-44330 Bearing for Komatsu HD785?
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