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FAQs
Q: Is YNF16684 compatible with all PC200-7 variants?
A: Yes, it is engineered for direct compatibility with Komatsu PC200-7 series using OEM ref 20Y-53-11591.Q: What material is used?
A: Made from tempered high-strength spring steel, ensuring long operational life. -
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Knowledge Tip
A properly functioning spring balancer reduces strain on the boom hydraulic system, improves fuel efficiency, and enhances overall operator comfort—making it a high-value part in excavator performance maintenance.
















20Y-53-11591 PC200-7 Spring Balancer YNF16684 Excavator Boom Balance Spring Assembly
Excavator boom balancer spring for PC200-7; OEM-fit replacement; Komatsu-compatible parts.
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Precisely engineered for Komatsu PC200-7 excavators
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OEM reference number 20Y-53-11591 for perfect fitment
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High-tensile spring steel construction ensures long-lasting tension
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Maintains boom arm balance and reduces operator fatigue
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Ideal for B2B distributors and fleet maintenance stock
PC200-7 Boom Spring Description
The YNF16684 Spring Balancer (Part No. 20Y-53-11591) is a key component for the Komatsu PC200-7 excavator, ensuring controlled and stable boom arm movement during operation. Made from heavy-duty spring steel, it provides consistent tension to balance the hydraulic arm, minimizing pressure on actuators and enhancing overall operator control. This component is a direct-fit OEM alternative and is widely used in after-sales service, equipment refurbishment, and field repairs. Perfect for wholesalers and repair service providers needing dependable components with high durability for Komatsu fleets.
PC200-7 Spring Balancer Technical Sheet
Item | Detail |
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Applicable Machine Model | Komatsu PC200-7 Excavator |
OEM Part Number | 20Y-53-11591 |
YNF Code | YNF16684 |
Product Category | Spring / Boom Balance Parts |
Material | High-tensile spring steel |
Position | Boom / Arm Balance Support |
Compatible Brands | Komatsu |
Function | Boom arm counterbalance and damping |
Origin | China |
Brand | YNF |
MOQ | 1 unit |
Shipment Options | Sea, Air, Courier |
Payment Terms | T/T, L/C, PayPal |
PC200-7 Spring Balancer Applications
Application Area | Description |
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Excavator Boom Systems | Stabilizes and balances hydraulic arm movement |
Construction Machinery | Used in Komatsu PC series for arm support |
Heavy Equipment Repair | Essential replacement in boom balancing system |
Equipment Refurbishment | Critical for rebuilt and overhauled excavator units |
Fleet Maintenance | Stocked by service centers for quick turnaround repairs |
Komatsu PC200-7 Spring Balancer Detail Display
Get Free Quote for PC200-7 Spring
Sourcing OEM-grade spring balancers for Komatsu PC200-7? YNF16684 offers the same performance as 20Y-53-11591, manufactured with high-spec materials for long-term durability. Suitable for aftermarket distribution and repair shops. Contact YNF Machinery for wholesale prices, delivery options, and technical support.
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