CAT 8T-4778 Caterpillar Locknut Set

( Brand: Cat ), ( Model: 725; 730; 735; 740; D350E D400E 740; D400E ), ( Compatible Equipment Type: Backhoe Loaders, Dump Trucks ), ( Compatible Equipment Make: Caterpillar ), ( Manufacturer Part Number: 8T-4778 ), ( Part Type: Lock Nut )

Review CAT Genuine Caterpillar Locknut New Oem Set Of

Introducing the Caterpillar Cat 8T-4778 Locknut Set, a high-performance solution designed to ensure the security and durability of various Cat 8 series components, particularly in heavy-duty applications. This comprehensive set includes a precise selection of locknuts, engineered to cater to the specific thread sizes and requirements of various Cat 8 series machinery components.

Each locknut in this set is manufactured from premium materials, ensuring superior strength and resistance to corrosion and wear. The threads are carefully machined and finished to exacting specifications, guaranteeing a secure and reliable connection to the corresponding component. The smooth, uniform surface ensures easy installation and removal, while the consistent size and shape ensure that they can be used interchangeably.

The Cat 8T-4778 Locknut Set is designed to meet the stringent requirements of Cat 8 series machinery, ensuring optimal performance and longevity. These locknuts are suitable for use in a wide range of applications, including hydraulic cylinders, pumps, and other heavy-duty machinery components.

In addition to their impressive strength and durability, these locknuts also prioritize safety. Their secure design helps prevent loosening or separation during operation, reducing the risk of component failure and ensuring the safety of operators and equipment.

The Cat 8T-4778 Locknut Set is an essential component for any maintenance or repair operation involving Cat 8 series machinery. By investing in this high-quality set, you can ensure that your machinery remains in top condition, minimizing downtime and maximizing productivity. The set is conveniently packaged and shipped, making it easy to order and receive, so you can get back to work as soon as possible.

The Cat 8-T4778 Caterpillar locknut set is a popular choice for those seeking high-quality and durable fasteners for heavy-duty applications. Here are some pros and cons to help you make an informed decision about purchasing this product:

1. High-strength: These locknuts are designed to provide superior strength and load capacity, making them ideal for heavy-duty industrial applications.

2. Durability: Made from high-grade materials, these locknuts can withstand harsh environments and extreme temperatures, ensuring long-lasting performance.

3. Easy installation: The self-locking feature of these locknuts eliminates the need for additional locking mechanisms, making installation quick and easy.

4. Compatibility: These locknuts are compatible with a wide range of Cat and non-Cat fasteners, making them a versatile option for various applications.

5. Cost-effective: Although these locknuts may cost more upfront, their durability and long-lasting performance can save you money over time by reducing the need for frequent replacements.

1. Price: Compared to standard locknuts, the Cat 8-T4778 locknut set can be more expensive.

2. Limited availability: These locknuts may not be readily available at all hardware stores or online retailers, making it necessary to order them directly from the manufacturer or an authorized dealer.

3. Special tools: To install these locknuts, you may need specialized tools, which can add to the overall cost and complexity of the installation process.

In conclusion, the Cat 8-T4778 Caterpillar locknut set offers several advantages, including high strength, durability, and ease of installation. However, the higher price point and limited availability may be drawbacks for some. Ultimately, if you require high-performance fasteners for heavy-duty applications, the benefits of this locknut set may outweigh the costs. We recommend considering the specific requirements of your application and weighing the pros and cons before making a decision to purchase.

Details:

PART NUMBER 8T-4778. GENUINE CATERPILLAR CAT LOCKNUT SET OF 2.

part #: 8t4778 prices

• $8.99-$34.99

specifications heavyaccoutrement:

• brand: Cat
• model#: 725; 730; 735; 740; D350E D400E 740; D400E
• compatible equipment type: Backhoe Loaders, Dump Trucks
• compatible equipment make: Caterpillar
• manufacturer part number: 8T-4778
• part type: Lock Nut

offer heavyaccoutrement:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1
• started: November 19, 2025

general heavyaccoutrement:

• condition: New
• Heavy Equipment, Parts Attachments > Heavy Equipment Parts Accessories > Hardware Parts

payments heavyaccoutrement:

• credit card: Mastercard
• other
• wallet: Google-pay

returns heavyaccoutrement:

• paid by: Seller
• policy: Returns Accepted
• method: Money back
• time: 30 Days

shipping heavyaccoutrement:

• carrier: USPS, UPS, FedEx
• transit: 2-6 Days
• class: Standard, Expedited
• type: Calculated
• cost: $7.90
• service: USPS Ground Advantage, USPS Priority Mail, UPS Ground, FedEx Ground / FedEx Home Delivery

seller heavyaccoutrement:

• # reviews: 1881
• city: Reading, Pennsylvania
• rating: 99.8%

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