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Eaton K-4366 Mainshaft Kit OEM Replacement for Endurant HD Transmissions
The Eaton K-4366 Mainshaft Kit is a precision-assembled mainshaft with gears and bearings for Endurant HD 12-speed automated manual transmissions, ensuring smooth power transfer, reduced noise, and durability in heavy-duty trucks like Freightliner Cascadia and Peterbilt 389, with cross-references to 5628861 and ECK4366.
Product Details
High-Performance Eaton K-4366 Mainshaft Kit
Volgen Power, a leading supplier of transmission components for commercial vehicles, offers the Eaton K-4366 Mainshaft Kit as an OEM-compatible replacement for optimal gear meshing and transmission reliability. This kit includes the mainshaft with integrated gears, spacers, and bearings, engineered for precise synchronization and high-torque handling in automated manual transmissions (AMT). Constructed from high-strength alloy steel with hardened surfaces, it resists wear and fatigue for extended service life under demanding loads.
Designed for Eaton Endurant HD 12-speed series in Class 8 trucks, the K-4366 kit supports Euro 6/Stage V emissions through efficient power flow. Ideal for mainshaft overhauls in logistics and construction fleets, it minimizes vibration and enhances shifting precision with straightforward assembly.
Key Benefits of the Eaton Mainshaft Kit:
- OEM-Compatible Alloy Steel: Direct fit for Endurant HD cases, no custom machining.
- Integrated Gears: Pre-assembled for quick installation and balanced operation.
- Wear-Resistant Bearings: Supports up to 2,000 Nm torque without slippage.
- 1-Year Warranty: Backed by Volgen Power for drivetrain assurance.
For “Eaton Endurant HD K-4366 Mainshaft Kit replacement,” Volgen Power ensures quality and availability.
Technical Specifications: Eaton K-4366 Mainshaft Kit Details
| Specification | Details |
|---|---|
| Part Number | K-4366 (Cross: 5628861, ECK4366) |
| Type | Mainshaft Assembly Kit |
| Material | High-Strength Alloy Steel with Hardened Gears |
| Weight | Approximately 25 kg (55 lbs) |
| Gear Ratios Included | 1st-6th Gears (Direct Drive) |
| Compatible Transmissions | Eaton Endurant HD 12-Speed AMT |
| Application | Heavy-Duty Automated Transmission Mainshaft |
Compatibility: Fits Eaton Endurant HD Transmissions
The K-4366 Eaton Mainshaft Kit is a direct OEM equivalent for:
- Transmission Models: Endurant HD 12-Speed (RTO-16918B-DM3, FO-16E318B-MHP)
- Vehicle Types: Class 8 tractors and rigid trucks
- Truck Models: Freightliner Cascadia, Peterbilt 389, Kenworth T680, International HX
- Cross-References: 5628861, ECK4366; compatible with aftermarket mainshaft kits
Purchase Information: Buy Eaton K-4366 Mainshaft Kit Online
- Price: $1,000.00 – $1,500.00 (varies by quantity and supplier)
- Stock Status: In stock at the China warehouse for rapid fulfillment
- Shipping: Free on orders over $50; international delivery options
- Return Policy: 30-day hassle-free returns
Revitalize your Endurant HD with this precision Eaton K-4366 Mainshaft Kit. Bulk pricing for workshops.
FAQs.
What transmissions fit the Eaton Mainshaft Kit?
It suits Endurant HD 12-speed AMT in Class 8 trucks like Cascadia and Peterbilt 389.
Is the K-4366 a pre-assembled mainshaft kit?
Yes, including gears and bearings for direct drive applications in automated transmissions.
How do I install the Eaton Endurant HD K-4366 Mainshaft Kit?
Disassemble the case, align the mainshaft, torque the bearings per the manual, and test shifts.
Where to buy OEM-quality Eaton Mainshaft Kits?
Volgen Power supplies compatible assemblies with competitive pricing and global shipping.
What warranty applies to the Mainshaft Kit?
Volgen Power offers a 1-year warranty on defects for smooth power transfer.
Volgen Power specializes in transmission mainshaft kits for your Endurant HD fleet. Contact us for quotes, fitment checks, or bulk Eaton K-4366 Mainshaft Kit orders.
Contact Us: Website: www.volgenpower.com Email: [email protected] 24/7 Support: [+86 18827435225]
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