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21P
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P
| Item | Specification |
|---|---|
| Part Number | 133-0738 (also 1330738) |
| Product Name | Bucket Tooth Pin / Sidebar Protector Retaining Pin |
| Product Type | Ground Engaging Tool (GET) Retention Component |
| Application | Secures sidebar protectors or bucket teeth to adapters |
| Material | High-strength alloy steel, heat-treated |
| Single Weight | 0.65 kgs (1.43 lbs) |
| Compatible Machine Models | Excavator: 345B II, 345B L, 336E LH, 336D, 336E, 336F |
| Industry Focus | Construction, Quarrying, Demolition, General Excavation |
CAT 133-0738 pin
1330738 bucket tooth pin
Caterpillar sidebar protector pin
345B L retaining pin
336E LH tooth pin
GET retention pin for 336D
336F bucket hardware
OEM replacement pin 1330738
The Caterpillar 133-0738 Retaining Pin is a genuine GET (Ground Engaging Tool) component used to secure sidebar protectors or bucket teeth to their respective adapters on mid-to-large size Caterpillar excavators. Manufactured from high-strength alloy steel and heat-treated for durability, this pin ensures reliable retention under heavy digging forces.
| Feature | Benefit |
|---|---|
| Heat-Treated Alloy Steel | Provides high shear strength and resistance to deformation |
| Precision Ground Diameter | Ensures snug fit in adapter and protector holes |
| Lightweight (0.65 kg) | Easy to handle and install in the field |
| Corrosion Resistant Coating | Extends service life in wet or abrasive environments |
| OEM Direct Replacement | Exact fit for Caterpillar GET systems |
| Machine Model | Typical Application |
|---|---|
| 345B II, 345B L | Heavy excavation, rock digging |
| 336D, 336E, 336E LH | General construction, quarry work |
| 336F | Demolition, mass excavation |
Inspection: Before installation, check pin for wear or bending. Replace if damaged.
Lubrication: Apply anti-seize or grease to pin shank for easier removal later.
Retention: Ensure retaining clip or rubber keeper (if applicable) is in good condition.
Torque: No torque required – hammer or drive pin fully into place until flush.
Critical Safety Component: A worn or missing pin can cause sidebar protector or tooth loss, leading to bucket damage.
Cost-Effective: Regular replacement of pins prevents costly adapter or protector replacement.
Genuine Fit: Manufactured to Caterpillar specifications for perfect compatibility.
| Item | Detail |
|---|---|
| Part Number | 133-0738 (CAT genuine / aftermarket) |
| Weight | 0.65 kg per piece |
| Included | Pin only (retaining hardware sold separately) |
Note: Always replace pins when installing new sidebar protectors or teeth. Verify compatibility with your specific adapter and protector part numbers. For a complete GET system, order matching sidebar protectors and adapters as needed.
