2900804 BUSHING MST

The 2900804 BUSHING MST is a critical wear-resistant component designed to endure the high mechanical demands of MST heavy machinery. Bushings are essential for reducing friction and wear between moving parts, especially in construction and earth-moving equipment where performance reliability is non-negotiable. The 2900804 bushing is manufactured to OEM-equivalent specifications to ensure optimal compatibility, longevity, and performance.

At 3GEN Export, we supply high-precision bushings like the 2900804 BUSHING MST for various MST models, offering a reliable solution for operators and service professionals worldwide. With our extensive expertise and commitment to quality, we deliver globally within 5 working days.

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Technical Specifications

• Part Number: 2900804

• Component Name: Bushing

• Material: Hardened alloy steel with a polished finish

• Surface Treatment: Precision-ground for a tight tolerance fit

• Application: Rotational and oscillating motion damping

• Outer Diameter: Engineered to fit specific MST housing dimensions

• Inner Diameter: Compatible with MST pins and shafts

• Length/Height: Designed for maximum load-bearing performance

• Lubrication: Grease-retaining design for extended service life

• Installation Type: Press-fit

Note: Specific measurements (inner diameter, outer diameter, and height) may vary slightly depending on machine model. Always confirm with your MST service manual or contact our technical support team.

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Detailed Description

The 2900804 BUSHING MST is built to meet the rigors of heavy-duty construction work. MST machinery operates in demanding environments, often exposed to dust, mud, impact loads, and extreme conditions. A high-performance bushing like the 2900804 is essential to preserve joint integrity, prevent metal-to-metal contact, and ensure smooth pin rotation.

Manufactured using high-grade alloy steel and thermally treated for enhanced hardness, this bushing offers superior resistance to deformation and wear. Its precision-machined surface ensures optimal tolerance between mating parts, preventing premature failure and reducing maintenance intervals.

This part is ideal for MST backhoe loaders and similar equipment where pivot points face continuous rotational and oscillatory loads. Its robust cylindrical profile supports the pin shaft’s alignment, distributing loads evenly while absorbing shock and vibration , all while extending the lifespan of adjacent components.

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Key Features

• OEM-equivalent precision: Manufactured to exacting tolerances for a perfect fit in MST machines.

• Durability: Heat-treated alloy steel construction provides long-lasting resistance to wear and impact.

• Smooth operation: Reduces friction between moving parts, allowing smoother articulation and less downtime.

• Corrosion resistance: Finished to resist oxidation and ensure longevity even in harsh operating environments.

• Reduced maintenance: Maintains alignment and load distribution, minimizing equipment wear and service needs.

• Universal use: Compatible with various MST loader and backhoe models (see below).

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Compatible MST Models

The 2900804 BUSHING MST is used in a variety of MST backhoe loaders and construction machines, including:

• MST M542

• MST M544

• MST M542 Plus

• MST M544 Plus

• MST M644

• MST 5 Series (various backhoe loader configurations)

• MST Compact Series

Note: Compatibility may vary by production year or sub-model. Confirm with your service documentation or contact 3GEN Export’s technical department for assistance.

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Role in MST Excavating Systems

In MST equipment, bushings like the 2900804 play an essential role in linking moving joints at the boom, arm, bucket, and chassis. These are high-load, high-motion zones, and a worn bushing can cause misalignment, increased vibration, and operational inefficiency.

The 2900804 BUSHING MST minimizes wear on shafts and bores by providing a sacrificial, replaceable surface that absorbs friction and impact. This is especially important in MST loaders that frequently dig, lift, pivot, and operate in rough terrain. A damaged or loose bushing can compromise safety, reduce productivity, and escalate repair costs.

Replacing your bushing at regular maintenance intervals ensures smoother equipment movement, reduces pin wear, and extends the life of your MST machine.

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Maintenance and Replacement

When to Replace:

• Visible wear or scoring on the bushing or mating pin

• Looseness or misalignment in the pivot joint

• Increased machine vibration or clunking noise during operation

• Regular maintenance schedules based on operating hours

Replacement Tips:

• Clean the housing thoroughly before installing the new bushing.

• Always check the pin condition; a damaged pin may prematurely wear the new bushing.

• Use proper press-fitting tools for installation to avoid deformation.

• Apply grease as recommended to ensure maximum lifespan.

3GEN Export also offers complete pin and bushing kits tailored for MST machines.

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Why Choose 3GEN Export?

3GEN Export is a global leader in supplying high-performance spare parts for heavy machinery. With a focus on quality, precision, and fast delivery, we support operators, contractors, and maintenance teams in over 40 countries.

• OEM-equivalent components without the premium cost

• Global delivery within 5 working days

• Professional support from experienced engineers

• Bulk order support and inventory assurance

• Dedicated to reliability, affordability, and performance

When you choose 3GEN Export, you’re not just getting a part , you’re investing in long-term machine performance.

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Conclusion

The 2900804 BUSHING MST is more than just a metal sleeve , it’s a core component that ensures your MST machine performs efficiently, safely, and reliably. With outstanding wear resistance, precise fitment, and easy installation, it’s the ideal choice for heavy-duty MST equipment maintenance.

Partner with 3GEN Export today and benefit from global delivery, exceptional quality, and professional support , ensuring your machines stay productive and powerful.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.