2831578 WASHER

The 2831578 WASHER CATERPILLAR is a heavy-duty, precision-engineered washer built to reinforce and secure critical bolted joints in Caterpillar equipment. Designed for high-load applications, this washer provides enhanced load distribution, reduces fastener stress, and increases joint longevity — all essential in the demanding environments Caterpillar machines operate in.

At 3GEN Export, we proudly supply the 2831578 WASHER CATERPILLAR to our international clients as part of our OEM-spec product catalog. Built tough and shipped fast, this washer is engineered for peak performance in construction, mining, and earthmoving machinery.

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Technical Specifications

• Part Number: 2831578

• Component Name: Washer

• Brand Compatibility: CATERPILLAR

• Material: Heat-treated carbon steel

• Shape: Flat circular washer

• Outer Diameter: Standard Caterpillar specification

• Inner Diameter: Precision machined for bolt fitment

• Thickness: Optimized for heavy-load applications

• Finish: Raw steel with oil coating for corrosion resistance

• Washer Type: Load-bearing flat washer

• Application: Frame mounts, undercarriage bolts, pivot points, structural fastenings

• Manufacturing Process: CNC-machined with deburred edges for clean and safe contact surfaces

• Load Rating: Suitable for high-torque, high-vibration environments

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Detailed Description

The 2831578 WASHER CATERPILLAR is a high-strength flat washer designed for reinforcement in critical bolted joints. It plays a vital role in ensuring even pressure distribution and preventing stress concentrations around bolt holes in structural and mechanical joints. Manufactured from industrial-grade carbon steel and heat-treated for maximum strength, this washer is built to handle heavy loads, vibration, and repetitive torque cycles.

Its precision-machined inner diameter ensures a perfect fit over the bolt shank, allowing it to support proper clamping force. Meanwhile, the outer surface offers a broad load-bearing area, effectively spreading compressive forces to prevent bolt pull-through and surface cracking — common issues in heavy machinery subjected to intense mechanical stress.

The raw steel finish, treated with a protective oil coating, adds a layer of corrosion resistance, making it ideal for operation in environments such as construction zones, mines, quarries, and forestry sites. Whether you’re performing scheduled maintenance or reinforcing newly assembled joints, the 2831578 WASHER CATERPILLAR is the perfect choice for secure, lasting fastening.

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Key Features

• Heavy-Duty Construction: Made from high-strength carbon steel to resist deformation under heavy loads.

• Precision Fit: CNC-machined for tight tolerances and smooth seating.

• Enhanced Load Distribution: Prevents localized stress and protects mating surfaces from deformation.

• Corrosion Resistance: Protective oil coating provides defense against rust and wear.

• Multipurpose Use: Ideal for undercarriage systems, chassis fastenings, engine mounts, and pivot assemblies.

• OEM-Compatible Dimensions: Engineered to meet Caterpillar bolt and joint specifications.

• Fast Global Shipping: Delivered worldwide in 5 working days by 3GEN Export.

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Compatible CATERPILLAR Models

The 2831578 WASHER CATERPILLAR is a versatile washer used across a broad range of Caterpillar machinery. It is commonly installed in areas where consistent torque and surface integrity are vital to the machine’s operational performance. Compatible CAT models include:

• CAT D6T Dozer

• CAT D7E Track-Type Tractor

• CAT 320D Excavator

• CAT 950H Wheel Loader

• CAT 930K Loader

• CAT 329D Excavator

• CAT D6K2 XL

• CAT 962M Wheel Loader

• CAT 323 Next Gen Excavator

• CAT 336F L Excavator

This washer is typically used in undercarriage bolts, frame-to-body joints, and hydraulic mounting assemblies, helping machines stay structurally sound during harsh working conditions. Its simple but essential design ensures reliable clamping, even as components expand, contract, and vibrate under stress.

Not sure if this washer is the right fit? Contact 3GEN Export with your Caterpillar serial number or part reference — we’ll help match you with the right part every time.

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Why Washers Like 2831578 Matter in Heavy Machinery

Even the most advanced machines can be compromised by small failures — and washers are a perfect example of that. The 2831578 WASHER CATERPILLAR helps maintain the integrity of high-stress joints by spreading bolt loads and minimizing micro-movements that lead to fatigue or failure. Without it, bolts may loosen over time, or surfaces may warp under uneven compression.

In CAT machinery, where reliability is critical to daily operation and uptime, every bolted joint matters. That’s why using high-quality washers that match exact OEM specifications is essential — and that’s exactly what 3GEN Export delivers.

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Maintenance and Replacement Guidelines

Washers should be inspected during any disassembly or torque check. Though they’re built to last, repeated loading cycles, corrosion, and environmental factors can reduce their effectiveness over time.

Common indicators that the 2831578 WASHER CATERPILLAR should be replaced:

• Deformation or flattening

• Visible cracks or edge wear

• Rust or oxidation build-up

• Bolt torque loss after short operating intervals

• Damage to surrounding contact surfaces

To replace, simply remove the existing washer, inspect the mating surfaces, and install the new washer with proper torque on the bolt or nut. Always follow Caterpillar’s torque specs and installation guidelines.

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Why Choose 3GEN Export for the 2831578 WASHER CATERPILLAR

At 3GEN Export, we make sourcing high-quality Caterpillar-compatible components simple and fast. Our customers across construction, mining, and equipment rental industries rely on us for:

• OEM-level product reliability at competitive prices

• Worldwide delivery in just 5 business days

• Technical support for part matching and installation guidance

• Professional export packaging and documentation

• Trusted service with 1000s of global clients and counting

We ship your parts fast, respond to your queries quickly, and ensure that every component — from washers to cylinders — is ready for the field the moment it arrives.

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Conclusion

The 2831578 WASHER CATERPILLAR is a small but mighty part of your Caterpillar machine’s fastening system. Engineered to handle high torque and continuous stress, this washer ensures bolt joints remain tight, protected, and aligned — reducing the risk of failure and boosting equipment longevity.

With 3GEN Export as your OEM supplier, you get peace of mind and global delivery in 5 working days — no delays, no compromises.

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.