0930349, 093-0349 WASHER CATERPILLAR

High-Strength Flat Washer for Caterpillar Heavy Machinery Applications

The 0930349 WASHER CATERPILLAR (also known as 093-0349) is a precision-engineered flat washer designed to provide structural stability and load distribution in Caterpillar machinery assemblies. This washer serves as a vital reinforcement component for fasteners, ensuring proper torque retention, vibration resistance, and surface protection across critical joints.

Supplied globally by 3GEN Export, this OEM-quality washer is built to meet Caterpillar’s industrial-grade standards, offering superior performance in demanding applications such as construction, mining, and earthmoving. Whether used in engine mounts, frame connections, or hydraulic systems, the 0930349 WASHER CATERPILLAR delivers consistent reliability under high load and temperature conditions.

Purpose and Function of the 0930349 WASHER CATERPILLAR

A washer may seem simple, but in heavy machinery design, it’s a critical safeguard. The 0930349 WASHER CATERPILLAR functions as a load distributor that prevents bolt heads and nuts from embedding into softer materials, protecting the component surfaces from wear and deformation.

In Caterpillar assemblies, this washer also acts as a friction management element, maintaining clamping force in high-vibration environments. By evenly distributing stress across a wider surface area, it prevents loosening of fasteners due to shock loads or cyclical stress.

The washer is used extensively in engine brackets, transmission flanges, chassis joints, and various high-pressure mounting assemblies.

Key Features and Benefits

1. Heavy-Duty Construction

The 0930349 WASHER CATERPILLAR is made from high-strength carbon steel that undergoes controlled heat treatment for increased hardness and tensile strength. This ensures outstanding resistance to deformation under heavy clamping pressures.

2. Corrosion-Resistant Coating

A specialized zinc-phosphate coating protects the washer against oxidation, moisture, and industrial contaminants, extending its life in outdoor or humid working conditions.

3. Precision Machined Surface

Each washer is CNC-machined to exact tolerances for flatness and thickness, guaranteeing uniform load distribution and reliable fastening performance.

4. Vibration and Shock Absorption

The washer minimizes loosening in high-vibration applications, a key advantage for Caterpillar machinery operating in rugged environments.

5. OEM-Equivalent Dimensions

Produced according to Caterpillar specifications, this washer fits seamlessly into OEM assemblies, eliminating compatibility issues during installation or maintenance.

Technical Specifications

Compatible Caterpillar Models

The 0930349 WASHER CATERPILLAR is used across multiple Caterpillar heavy-duty machines and engine assemblies, serving as a fastening reinforcement element in critical joints. Typical model applications include:

• Caterpillar 120G, 12G, and 140G Motor Graders

• Caterpillar D5H, D6H, and D7G Track-Type Tractors

• Caterpillar 320D, 325C, and 330B Hydraulic Excavators

• Caterpillar 966D, 966E, and 980F Wheel Loaders

• Caterpillar 815F and 826G Compactors

• Caterpillar 730 and 740 Articulated Trucks

• Caterpillar 3512, 3406, and C9 Engine Series

• Caterpillar 420E and 428F Backhoe Loaders

• Caterpillar 972H and 988G Wheel Loaders

This wide compatibility highlights the washer’s versatility across powertrain, frame, and hydraulic assemblies, reinforcing fasteners in applications that demand structural integrity.

Engineering and Material Design

High-Tensile Carbon Steel

The 0930349 WASHER CATERPILLAR is made from high-carbon steel that’s been heat-treated to deliver optimum yield strength and load capacity. Its mechanical properties ensure the washer maintains dimensional integrity under extreme torque and compression loads.

Anti-Corrosion Protection

The zinc-phosphate coating acts as a barrier layer against water, oil, and acidic exposure—ideal for use in marine, mining, and outdoor construction environments.

Precision Flatness and Finish

Each washer is ground to a high degree of flatness, ensuring even pressure distribution under bolt heads and nuts. The smooth finish also reduces friction, improving torque accuracy during assembly.

Functional Benefits in Heavy Machinery

• Distributes Load Evenly: Prevents localized stress concentration and surface deformation.

• Protects Component Surfaces: Reduces galling and marring on softer materials like aluminum or cast iron.

• Maintains Fastener Torque: Prevents loosening from vibration and temperature changes.

• Extends Component Life: Preserves joint integrity in heavy-duty applications.

• Improves Serviceability: Washers are easy to replace during maintenance without modifying surrounding parts.

Installation and Maintenance

Installation Recommendations

1. Ensure the washer surface and mating components are clean and free from debris or oil.

2. Position the washer directly under the fastener head or nut for maximum load dispersion.

3. Apply correct torque values as per Caterpillar specifications to avoid over-tightening.

4. If reusing, inspect the washer for deformation or corrosion—replace if any wear is visible.

Maintenance Tips

• Periodically check torque settings in high-vibration assemblies.

• Avoid reusing washers that show cracks, rust, or significant flattening.

• Keep spare OEM-quality washers on hand for fast maintenance in field operations.

Application Areas

The 0930349 WASHER CATERPILLAR is widely used in:

• Engine Mounting Systems: Provides secure fastening in high-temperature zones.

• Transmission and Drive Assemblies: Maintains joint integrity under heavy torque.

• Chassis and Frame Joints: Reduces stress at critical bolt connections.

• Hydraulic Pump Mounts: Prevents vibration-induced fastener loosening.

• Axle and Suspension Assemblies: Supports dynamic load cycles with minimal deformation.

Its multi-purpose design makes it a standard choice across multiple Caterpillar machine types and compatible powertrain applications.

Performance and Reliability

Every 0930349 WASHER CATERPILLAR supplied by 3GEN Export is tested for:

• Dimensional accuracy (±0.02 mm)

• Surface hardness (Rockwell 35–45 HRC)

• Corrosion resistance under 120-hour salt-spray testing

• Load-bearing endurance under 25,000 N compressive force

These tests ensure unmatched reliability and alignment with Caterpillar OEM expectations for strength and durability.

Quality Control by 3GEN Export

At 3GEN Export, every washer undergoes multi-stage inspection and verification, including metallurgical composition checks, dimensional analysis, and torque testing. The product conforms to ISO, SAE, and DIN standards for fasteners, guaranteeing compatibility and long service life.

Inspection Process Includes:

• Thickness and OD/ID measurement

• Surface coating adhesion testing

• Visual inspection for burrs or imperfections

• Sample torque cycle testing

Environmental and Safety Compliance

• Manufactured under ISO 9001 and ISO 14001 certified facilities.

• Compliant with RoHS and REACH environmental directives.

• Uses 100% recyclable steel and non-toxic coatings.

This ensures sustainability, worker safety, and environmental responsibility throughout the manufacturing and export process.

Packaging and Delivery

Each washer is individually packed in anti-corrosion film and sealed with part number labeling for easy traceability. Bulk orders are packaged in durable cartons or export-grade wooden crates to prevent surface damage during shipment.

Global Delivery: 3GEN Export ensures worldwide dispatch in 5 working days, with complete export documentation and logistics support.

Why Choose 3GEN Export

• OEM-Standard Quality: Precisely manufactured to match original Caterpillar specifications.

• Global Distribution Network: Fast and reliable delivery to over 120 countries.

• Expert Technical Support: Assistance in product identification and compatibility verification.

• Reliable Supply Chain: Consistent availability for large-scale industrial maintenance.

With 3GEN Export, you receive more than just a spare part—you gain an assurance of performance, precision, and trust.

Summary

The 0930349 WASHER CATERPILLAR is a small yet essential part that ensures the stability and reliability of your heavy machinery. Designed to evenly distribute load, maintain torque accuracy, and protect surfaces, it enhances the longevity and efficiency of Caterpillar equipment.

As an OEM-quality component supplied by 3GEN Export, it offers long-lasting durability, exact fitment, and corrosion resistance—all with fast worldwide delivery in just 5 working days.

Order your 0930349 WASHER CATERPILLAR today from 3GEN Export and experience precision-engineered quality trusted by professionals around the globe.

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.