Basic Info.
Part no. | 6k4148 | Material | steel |
Type | BUSHING | Part Type | Engineering machinery parts |
Compatibility | Caterpillar | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed:2025/04/26
- Manufacturer:Diron Parts
Product Description
- Part Type:BUSHING
- Description: suitable for Caterpillar


Product Introduction: Bushing 6K4148 for Caterpillar Equipment
Overview
The Bushing 6K4148 is a precision-engineered sleeve bearing designed for Caterpillar equipment, specifically used in hydraulic and linkage systems to support pins and reduce friction in pivot points. This component is critical for maintaining smooth operation and extending the life of linkage assemblies, such as those in buckets or tilt cylinders. Available as a new aftermarket or genuine OEM part, it offers a reliable and cost-effective solution for equipment maintenance.
Key Features
- Material: Constructed from high-grade alloy steel, designed to withstand high loads and resist wear and corrosion.
- Design: Precision-machined sleeve bearing with a smooth inner surface to minimize friction and wear on pins, often featuring a protective coating to enhance durability.
- Compatibility: Compatible with Caterpillar skid steer loaders and compact track loaders, including models 236, 236B, 236B3, 236D, 242D, 246, 246B, 246C, 246D, 248, 248B, 252, 252B, 252B3, 256C, 257D, 259D, 262, 262B, 262C, 262C2, 262D, 267, 267B, 268B, 272C, 272D, 272D XHP, 277, 277B, 277C, 277C2, 277D, 279C, 279C2, 279D, 287, 287B, 287C, 287C2, 287D, 289C, 289C2, 289D, 297C, 297D, 299C, 299D, and more. Typically used in bucket pin and tilt cylinder assemblies.
- Dimensions: Specific dimensions are not publicly detailed, but the bearing is designed to match OEM specifications for the listed models.
- Quality Assurance: Manufactured to meet or exceed OEM standards, with final quality checks to ensure fit and performance.
Benefits
- Enhanced Durability: The robust alloy steel construction and protective coating reduce wear and corrosion, extending the bushing’s service life under high-load conditions.
- Reliable Performance: Reduces friction and wear on pins, ensuring smooth operation and load distribution in linkage systems, minimizing downtime.
- Cost-Effective: Provides a high-quality aftermarket or OEM alternative, reducing maintenance costs compared to full assembly replacements.
- Ease of Installation: Designed as a direct-fit replacement, often included in bucket pin and bushing kits with associated pins (e.g., 1429091, 3456511) for streamlined repairs.
Applications
The Bushing 6K4148 is tailored for use in Caterpillar equipment, specifically suited for:
- Skid Steer Loaders: 236, 236B, 236B3, 236D, 242D, 246, 246B, 246C, 246D, 248, 248B, 252, 252B, 252B3, 256C, 262, 262B, 262C, 262C2, 262D, 268B, 272C, 272D, 272D XHP.
- Compact Track Loaders: 257D, 259D, 267B, 277, 277B, 277C, 277C2, 277D, 279C, 279C2, 279D, 287, 287B, 287C, 287C2, 287D, 289C, 289C2, 289D, 297C, 297D, 299C, 299D.
- Industries: Construction, landscaping, and material handling, where Caterpillar skid steer and compact track loaders are deployed for tasks such as loading, lifting, and grading.
Technical Specifications
Warranty: Typically backed by a 1-year warranty, with suppliers like propelparts.us offering an Exact Fit Guarantee®.
Part Number: 6K4148 (cross-referenced as 6K-4148, CA6K4148).
Unit of Measure: Each.
Condition: New aftermarket or genuine OEM.
Weight: Approximately 0.40 lbs (0.18 kg), as per AVSpare.com.
Note: While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.








- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.


- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.







