Part Name: Pin 4380593
Part Number: 4380593
Basic Info.
| Part no. | 4380593 | Material | Steel |
| Type | Pin | 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：2025/11/22
- Manufacturer：Diron Parts
Product Description
- Part Type：Pin
- escription: Replacement Part Pin 4380593 Suitable for Caterpillar, New
The 438-0593 is a high-quality aftermarket straight linkage pin (zinc-plated for corrosion resistance) designed as a direct, fully interchangeable replacement for the original Caterpillar® part number 4380593 (438-0593). This robust pin is used in the backhoe loader linkage assembly, providing reliable articulation and load-bearing support during intensive digging, lifting, and trenching operations on F-Series machines.
Key Features & Benefits
- Precision machined from high-strength steel with zinc plating for excellent corrosion protection and long-term durability
- Induction-hardened surfaces (where applicable) for superior wear resistance under high side loads and vibration
- Exact OEM dimensions and tolerances – 100% drop-in replacement, no modifications required
- Grease-compatible design with optional channels for easy lubrication and reduced friction
- High shear strength to withstand heavy breakout and crowd forces
- Cost-effective alternative offering OEM-level performance at a significantly lower price
Common Applications (Caterpillar® Compatibility)
- Backhoe Loaders – linkage pivot positions (commonly boom, stick, or bucket cylinder mounts): – 428F, 428F2 – 432F, 432F2 – 434F, 434F2 (select configurations) – 444F, 444F2 (select configurations)
- Essential component in the backhoe front linkage of these popular F-Series machines
- Frequently replaced during routine maintenance or linkage rebuilds in construction, utility, landscaping, and rental fleets worldwide
Technical Specifications
- Part Number: 438-0593 (aftermarket equivalent to Caterpillar® 4380593)
- Type: Straight linkage pin (zinc plated)
- Material: Heat-treated steel
- Diameter: 45 mm (1.77 in)
- Overall Length: Varies by exact position (typically 250–350 mm)
- Weight: Approx. 4–7 kg (9–15 lb)
- Quantity per machine: Multiple (depending on linkage position)
- Common Related Parts: Seals, shims, retaining bolts, bushings
Important Note:
- We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- 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.
