At-a-Glance Data – CAT End Bit 8E-4541 / 8E-4542
| Parameter | Specification |
|---|---|
| Part Numbers | 8E-4541 / 8E-4542 |
| Position | Right-Hand (RH) |
| End Bit Type | EWL (Extended Wear Life) |
| Material | Low Alloy Steel, Alloy Steel |
| Thickness | 45 mm |
| Width | 468 mm |
| Overall Length | 722 mm |
| Upper Hole Pattern | 2-1 |
| Lower Hole Pattern | 2-2 |
| Upper Hole Spacing | 75.0 mm |
| Lower Hole Spacing | 75.0 mm |
| Hole Size | 1-1/4-in Plow Bolt (36.5 mm square) |
| Wear Rating | Standard |
| Installation | Bolt-on |
Low Alloy Steel Construction for Reliable Corner Wear Resistance
The CAT End Bit 8E-4541 / 8E-4542 is manufactured from low alloy and alloy steel. This material combination delivers excellent hardness and impact resistance for demanding dozing operations. The end bits measure 45mm thick, 468mm wide, and 722mm long. These dimensions provide substantial wear material for blade corners, which experience the highest abrasion during earthmoving. Additionally, the EWL (Extended Wear Life) design ensures extended service intervals compared to standard end bits. Consequently, these end bits are ideal for mining, quarrying, and large-scale construction projects. The right-hand (RH) position design ensures proper fitment on compatible moldboards.
Simple Installation with Dual Hole Patterns
Installing the CAT End Bit 8E-4541 / 8E-4542 is straightforward. Follow these steps:
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Remove the worn end bit from the blade corner position.
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Clean the mounting surface thoroughly to ensure proper fit.
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Position the new end bit against the blade, aligning both hole patterns.
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Insert the 1-1/4″ plow bolts (36.5mm square shank) with hardened washers.
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Torque all nuts evenly in a crossing pattern to manufacturer specifications.
This end bit features two distinct hole patterns:
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Upper hole pattern: 2-1 with 75.0mm spacing
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Lower hole pattern: 2-2 with 75.0mm spacing
These measurements match CAT OEM specifications exactly. Therefore, no drilling or modification is required. For best results:
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Check bolt tightness after the first few hours of operation.
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Inspect the end bit regularly for uneven wear.
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Replace when approximately 40% of thickness remains.
Frequently Asked Questions About CAT 8E-4541 / 8E-4542 End Bits
What are the part numbers? 8E-4541 and 8E-4542.
What are the dimensions? 722mm long, 468mm wide, and 45mm thick.
What material is used? Low alloy steel and alloy steel for durability.
What position does this fit? Right-hand (RH) blade corner.
What is the end bit type? EWL (Extended Wear Life) design.
What hole patterns are featured? Upper: 2-1; Lower: 2-2, both with 75.0mm spacing.
What bolt size is required? 1-1/4″ plow bolts (36.5mm square shank).
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