Cotter Pin 3B-5325

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Caterpillar Dump Truck

Cotter Pin 3B-5325

PRODUCT DESCRIPTION:

The Caterpillar 3B-5325 Cotter Pin is a critical safety fastener specifically engineered for securing nuts, bolts, and shafts on Caterpillar articulated dump trucks (ADTs), including models like 730, 735, and 740. This high-quality cotter pin provides reliable anti-loosening protection in heavy-duty off-highway applications, ensuring equipment safety and operational integrity under extreme vibration and load conditionsCat® Parts Store.

PRODUCT DETAILS

Core Functions

1. Anti-Loosening Security: Prevents nuts, bolts, and shafts from backing out due to constant vibration, shock loads, and machine movement in ADT operations

2. Axial Retention: Secures components axially, maintaining proper alignment of critical mechanical assemblies such as hydraulic linkages, wheel hubs, and drivetrain components

3. Safety Assurance: Acts as a fail-safe mechanism to prevent catastrophic component failure and unintended disassembly during operation

4. Quick Verification: Provides a visible indication of proper assembly, allowing operators and technicians to easily confirm secure connections during inspections


Key Advantages

· OEM grade Fit: Precision manufactured to match CAT original specifications for perfect fitment.

· High strength Material: Made of durable alloy steel for high shear resistance and long service life.

· Corrosion Resistance: Zinc plated or corrosion resistant finish for long term use in harsh working environments.

· Easy Installation & Removal: Flexible split design allows quick installation and simple maintenance.

· Heavy duty Performance: Resists breakage and deformation under extreme vibration and heavy loads.

· Cost effective: Low cost part that prevents major mechanical failures and reduces downtime.


Technical Specifications

· Type: Standard cotter pin (split pin)

· Material: High strength carbon steel / alloy steel

· Surface Treatment: Anti corrosion coating (zinc plating)

· Application: CAT Dump Trucks

· Function: Locking, fastening, anti loosening, safety retention

· Quality: Meets or exceeds OEM performance standards


Application Scope

Widely used in wheel assemblies, suspension systems, steering linkages, hydraulic cylinders, and chassis fasteners of CAT dump trucks.

SPECIFICATION

Parameter

Value

Part Number

3B-5325 (3B5325)

Application

Caterpillar Articulated Dump Trucks (730, 735, 740 series)

Material

Heavy-duty carbon steel with zinc-plated corrosion-resistant finish

Type

Split cotter pin with mitered endsCat® Parts Store

Pin Diameter

1/2 inch (12.7 mm)

Pin Length

2 3/4 inches (69.85 mm)

End Configuration

Double-mitered for easy insertion and secure locking

Operating Temperature Range

-40°C to +120°C (-40°F to +248°F)

Tensile Strength

Meets or exceeds Caterpillar's minimum requirements for ADT applications

Weight

0.2 lbs (0.1 kg) per unit


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