Are you battling excessive engine oil consumption, strange knocking sounds, or reduced power output in your heavy machinery? The heart of your CATERPILLAR 3406 engine lies in its crankshaft. We provide an economical and reliable solution: a high-quality replacement crankshaft that perfectly matches OEM specifications like the 7W-6818 (or 7W6818). This key component is essential for a complete engine overhaul, ensuring your machine—whether it's a Caterpillar 3406B Earth Mover or a Caterpillar 3406C Generator Set—returns to peak performance and significantly resolves abnormal oil consumption issues. Trust us for precision-engineered components that fit flawlessly.
As a source manufacturer, Honour Time Machinery Limited specializes in the custom development and direct sales of various engine components, including precision Cylinder Liner Kits and Cylinder Liners. We are your reliable partner for foreign trade export, offering factory-direct pricing for components designed to meet or exceed OEM standards.
Key Custom Engine Overhaul Kits: Cummins KTA19 Cylinder Liner, Komatsu 6D107 Liner Kit, Caterpillar C7 Cylinder Liner, Isuzu 6BG1 Liner Kit.
| Product Name | Engine Model | Part Number (OEM) | Non-Hyphenated Part No. |
|---|---|---|---|
| Crankshaft | CAT 3406 (e.g., 3406B, 3406C, 3406E) | 7W-6818 | 7W6818 |
| OEM/ODM Service | Condition | MOQ | Packing | Supply Ability |
|---|---|---|---|---|
| Provided | 100% New | 1 piece | Wooden cases or pallets | 1000pcs per month |
| Payment Terms | T/T, Western Union, MoneyGram | |||
| Delivery Methods | Express: DHL, FedEx, EMS, UPS or by Air/Sea | |||
Honour Time Machinery Limited is your one-stop source for a comprehensive range of diesel engine spare parts. We supply critical components required for full engine assembly and deep maintenance, including: Liner Kits and Piston Rings to restore compression; essential sealing components like Gasket Kits and Gasket Heads; precision valvetrain items such as Valve Guides and Valve Seats. For fuel systems, we offer high-grade Nozzles and Diesel Pumps. Power transmission is covered with quality Bearings (Crankshaft Main Bearing and Connecting Rod Bearing), Cylinder Blocks, and Connecting Rods. We also stock electrical and auxiliary parts like Pressure Switches, Flameout Solenoids, Radiators, Belts, and Monitor Displays.
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Our inventory covers a wide array of popular and specialized diesel engine models from the world's leading manufacturers. Find your model below:
| Brand | Model Examples |
|---|---|
| CATERPILLAR | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 |
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| CUMMINS | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 |
| Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| KOBELCO (Engine Models) | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, J05E, 6D34, J08E |
| Mitsubishi | 4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40 |
| HINO | J05E, J08E, V25C, EF750, P11C, V21C, H06CT, H07D |
| VOLVO | D6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D |
Understanding the components of your engine is vital for accurate repairs. Here are 10 key parts and their functions:
1. Piston Ring: Installed in the piston grooves inside the Cylinder Block. Essential for sealing the combustion chamber and regulating oil consumption in a Cummins QSM11-C engine.
2. Connecting Rod: Connects the Piston to the Crankshaft. It transmits the force from the piston to the crankshaft, found in the engine block of a Caterpillar C7 Excavator.
3. Valve Guide: Inserted into the Cylinder Head. Guides the movement of the intake and exhaust valves, critical for proper sealing in a Komatsu 6D107 Wheel Loader.
4. Fuel Injector Nozzle: Located in the Cylinder Head or manifold. Atomizes and sprays fuel into the combustion chamber, vital for performance in an Isuzu 4HK1 Truck.
5. Turbocharger: Mounted on the exhaust manifold. Uses exhaust gas to spin a turbine, compressing intake air to increase power in a Weichai WP12 Generator Set.
6. Oil Pump: Submerged in the oil pan or mounted on the engine block. Circulates lubricating oil throughout the engine, a non-negotiable part in a Kubota V3307 Mini Excavator.
7. Main Bearing: Positioned between the Crankshaft and the Cylinder Block. Supports the rotating crankshaft, an essential wear part in a Yanmar 4TNV98 Skid Steer.
8. Thrust Washer: Installed at specific main bearing locations on the Crankshaft. Controls the crankshaft's axial (end) play, preventing damage in a Caterpillar 3406E Dozer.
9. Water Pump: Usually belt-driven and mounted on the front of the Engine Block. Circulates coolant through the engine and radiator, preventing overheating in a HINO J08E Construction Vehicle.
10. Flameout Solenoid: Located near the Fuel Pump. Controls the fuel flow to shut down the engine, often seen on Cummins B3.9-C machinery.
A common fault in the Caterpillar 3406B engine is the sudden onset of excessive oil consumption, often accompanied by blue-grey smoke from the exhaust.
Primary Cause and Solution:
The most frequent cause is worn Piston Rings and Cylinder Liners, which allow oil to pass into the combustion chamber. A secondary cause can be worn valve stem seals or turbocharger seals. The comprehensive solution requires a complete top-end or in-frame overhaul. This includes replacing the Liner Kit (Cylinder Liner, Piston, and Piston Rings), the full Gasket Kit, and inspecting the Turbocharger and Crankshaft for wear. Regular oil analysis (every 250 hours) and sticking strictly to OEM-recommended oil change intervals are crucial Caterpillar engine maintenance plans to prevent premature wear in your Caterpillar 3406B Earth Mover.
Honour Time Machinery Limited specializes in engine assemblies and premium spare parts for global brands like Cummins, Komatsu, Caterpillar, Isuzu, Kubota, and Yanmar, ensuring reliable operation for heavy machinery worldwide.
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