Caterpillar crankshaft 4W3989 4W3579 S4K crankshaft S4K-T crankshaft CAT 312B crankshaft Caterpillar excavator crankshaft
- Item No.001
- Part Number
- Machine Model S4K
- Condition: Aftermarket New
- Type: crankshaft
Description
Caterpillar Crankshaft 4W3989 / 4W3579 / S4K / S4K-T / CAT 312B
Enhance the performance and reliability of your Caterpillar excavator with our high-quality aftermarket crankshaft. Designed to meet or exceed OEM specifications, this crankshaft ensures smooth engine operation and long-lasting durability.
Product Overview
This crankshaft is a critical component for engines in Caterpillar 312B excavators and other equipment using the S4K or S4K-T engine models. It converts the linear motion of the pistons into rotational motion, driving the flywheel and ultimately powering the machine. Our aftermarket crankshaft is manufactured with precision to ensure a perfect fit and reliable performance.
Key Specifications
| Property | Value |
|---|---|
| Part Number | 4W3989, 4W3579 |
| Machine Model | S4K, S4K-T |
| Condition | Aftermarket New |
| Type | Crankshaft |
Features & Benefits
- Precision-engineered to match original dimensions and tolerances
- Manufactured from high-strength alloy steel for superior durability
- Heat-treated to enhance wear resistance and fatigue strength
- Balanced for smooth operation and reduced vibration
- Direct replacement for OEM part numbers 4W3989 and 4W3579
- Compatible with Caterpillar 312B excavator and other S4K/S4K-T engine applications
Quality Assurance
Each crankshaft undergoes rigorous inspection and testing to ensure it meets high-quality standards. We prioritize reliability and performance, providing you with a component you can trust for your equipment.
Why Choose Us?
Hangzhou XC Machinery Co., Ltd. specializes in providing top-quality aftermarket parts for construction and mining equipment. With a focus on customer satisfaction, we offer competitive pricing and reliable products to keep your machinery running efficiently.
Contact us today to order your Caterpillar crankshaft and experience the difference in quality and service.
What is Caterpillar crankshaft 4W3989 4W3579 S4K crankshaft S4K-T crankshaft CAT 312B crankshaft Caterpillar excavator crankshaft?
This is an aftermarket new crankshaft designed for Caterpillar 312B excavators and other equipment using S4K or S4K-T engines. It replaces OEM part numbers 4W3989 and 4W3579, converting piston motion into rotational power. Manufactured from high-strength alloy steel and precision-engineered to match original specs, it ensures durability and reliable engine performance.
Applications
- Caterpillar 312B excavator engines
- Equipment powered by S4K engines
- Equipment powered by S4K-T engines
- Replacement for OEM crankshafts 4W3989 and 4W3579
FAQ
What are the compatible part numbers for this crankshaft?
This crankshaft replaces OEM part numbers 4W3989 and 4W3579.
Which engine models is this crankshaft compatible with?
It is compatible with S4K and S4K-T engine models, commonly used in Caterpillar 312B excavators.
Is this crankshaft an OEM or aftermarket part?
It is an aftermarket new part, manufactured to meet or exceed OEM specifications.
What material is the crankshaft made from?
It is made from high-strength alloy steel and heat-treated for enhanced durability.
Does this crankshaft come with a warranty?
Warranty information is not specified; please contact the supplier for details.
