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Custom 1U3302 Bucket Tooth General Long Tip for Excavators

Discover top-quality 1U3302 bucket tooth supplies.
Ideal for CAT J300 series style excavators, wheel loaders, and scrapers.
Explore detailed specs, features, and buying tips.

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Product Details

1. Product Overview

The 1U3302 Bucket Tooth is a cornerstone Ground Engaging Tool (G.E.T.) designed for the widely used Caterpillar J300 / E180 series. Engineered to deliver exceptional digging power and consistent penetration, this bucket tooth serves as the frontline defense for your heavy machinery’s bucket lip. Whether you are cutting through compacted soil, sand, gravel, or mixed dirt with light concrete, the 1U3302 ensures optimal machine performance while protecting your most expensive bucket components.

2. Detailed Specifications

To ensure perfect compatibility and performance, here are the technical specifications for the 1U3302:

Part Number System: 1U3302 / 1U-3302 / 9J4302
Tooth Profile: General Purpose Long Tip
System Compatibility: CAT J300 Series Style / E180 Family Side-Pin System
Weight: about 4.2 kg (9.2 lbs)
Length: 8.75 inches
Width: 3.5 inches
Height: 3.75 inches
Inside Pocket: 2.5 inches (horizontal/side-to-side) x 3.0 inches (vertical/top-to-bottom)
Material: High-specification, wear-resistant alloy steel
Tensile Strength: ≥1400Rm-N/mm²
Impact Resistance/Shock: ≥20J
Standard Colors: Yellow, Black (Customization often available from OEM suppliers)

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3. Key Features

  • Extended Profile Design: The “long tip” structure concentrates breakout force at the tip, significantly improving cutting efficiency and reducing resistance during loading.
  • Enhanced Durability: Formulated with high-strength alloy, these teeth boast exceptional wear-resistance, extending service life even under repetitive impact.
  • Reduced Operating Costs: By cutting through materials more efficiently, the 1U3302 reduces fuel consumption and cyclic wear on the excavator arm.
  • Quick-Change Side Pin System: The J-Series side-pin configuration allows for fast field replacement, minimizing machine downtime.

4. Applications & Machinery Compatibility

The 1U3302 is the workhorse for standard earthmoving tasks. It thrives in medium-hard soils, peat, clay, and loose gravel.

  1. Excavators (CAT 311 to 330 Series): 311C, 312D, 315C, 320B/C/D/E, 323F, 324E, 325B, 330B, etc.
  2. Wheel & Track Loaders: 938F, 938G, 950F/G, 953C, 963B/C.
  3. Tractor-Scrapers: 615C, 623B/E/F/G.

Note: Though primarily designed for CAT equipment, it also fits any bucket (Deere, JCB, Bobcat, Komatsu, Volvo) retrofitted with a J300 adapter.

5. Manufacturing Process

The production of a premium 1U3302 bucket tooth prioritizes structural integrity. Common manufacturing methods include:

  1. Investment Casting (Lost Wax) / Forging: High-grade alloy steel is either precision-cast or forged to eliminate internal voids and ensure dimensional accuracy.
  2. Heat Treatment: The teeth undergo rigorous quenching and tempering processes. This dual-heat treatment ensures the outer shell achieves high abrasion resistance (hardness), while the core remains ductile enough to absorb high-impact shocks without snapping.
  3. Quality Control: Post-production tests include tensile strength validation, impact resistance testing, and fitment checks on J300 adapters.

6. Accessories: The Pin and Retainer

A bucket tooth is only as secure as its fastening system. When purchasing the 1U3302, ensure you have the correct accompanying hardware:

  1. Pin (9J2308): Measures 3.625″ in length and 0.5″ in diameter. This side pin securely locks the tooth to the adapter.
  2. Retainer (8E6259): A sleeved retainer (1.125″ long x 0.375″ high) containing a rubber or polyurethane center. It provides the necessary tension to keep the pin firmly in place during heavy vibration.

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7. Important Considerations for Buyers

  1. Verify Your Adapter Size: The 1U3302 fits only J300 adapters. Do not confuse it with J250 (smaller) or J350 (larger) systems. Always check your bucket’s adapter pocket dimensions or current tooth part number before ordering.
  2. Match the Profile to the Job: The standard “Long Tip” is ideal for general dirt and soil. If you are working purely in solid rock, consider upgrading to a Heavy Duty Rock Penetrator (e.g., 1U3302RC or PT) to prevent premature breakage.
  3. Consider Bulk Purchasing: G.E.T. parts are consumables. Buying in bulk (e.g., pallet lots) can drastically reduce unit cost and shipping expenses, while ensuring you always have spares on-site to limit downtime.

8. Common Industry / Buyer FAQs

Q1: How often should I replace the 1U3302 bucket teeth?
A: Replacement intervals depend entirely on the material being excavated. In highly abrasive sandy soils, teeth may wear out in weeks; in soft loam, they can last months. Replace them when the tip becomes blunt to the point of slowing down digging times, or before the wear reaches the adapter lip.

Q2: Can I use this tooth on a non-CAT machine (like John Deere or Komatsu)?
A: Yes, provided the machine’s bucket is equipped with a Caterpillar-style J300 adapter shank. The adapter determines compatibility, not the machine brand.

Q3: Why did my bucket tooth snap instead of wear down?
A: Snapping is usually caused by excessive prying or working in materials the tooth wasn’t designed for (like dense granite or bedrock). It can also indicate a manufacturing defect (poor heat treatment resulting in a brittle core). Always ensure you are buying OEM-spec teeth from reputable suppliers.

Q4: How do I remove a stuck J-series pin?
A: Debris can pack into the pin hole over time. Use a proper pin removal punch tool and a heavy sledgehammer. In extreme cases where the rubber retainer has hardened, carefully clearing the debris and applying targeted mechanical force will free the pin.

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