New Products

Replacement Part Pin 7y3550 Suitable for Caterpillar, New

Pin 7y3550 Suitable for Caterpillar

Part Name: Pin 7y3550

Part Number: 7y3550

Part no.7y3550 Materialsteel
TypePinPart TypeEngineering machinery parts
CompatibilityCaterpillar Transport PackageWooden box
TrademarkDIRON OriginLuoyang City
HS Code84099991 Production Capacity5000PCS/Year
Pin 7y3550 Suitable for Caterpillar
  • Date First Listed:2025/04/20
  • Manufacturer:Diron Parts
  • Part Type:Pin
  • Description: suitable for Caterpillar

Product Introduction: Pin 7Y3550 for Caterpillar Equipment

Overview

The Pin 7Y3550 is a precision-engineered, chromed steel pin designed for Caterpillar equipment, specifically used in the bucket linkage systems of excavators to secure and align components while supporting heavy loads. This component is critical for ensuring smooth operation and durability in demanding excavation applications. 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 steel with alloy chromium and boron steel, designed to withstand extreme loads, resist wear, and endure harsh operating conditions. Features a hard chrome-plated finish for enhanced corrosion resistance and reduced friction.
  • Design: Precision-machined straight pin with transverse holes for secure fastening, engineered to match OEM specifications for precise fitment and performance. The chrome plating ensures a smooth surface for minimal wear on mating components.
  • Compatibility: Compatible with Caterpillar excavators, including models 320C FM, 322B, 325, 325B, 325C, 330, 330B, 330B L, 330C, 330C L, M325D MH, and grapple-orange peel GSH15-60. Typically used as a bucket linkage pin or quick coupler pin grab. Exact model compatibility should be verified with the equipment’s serial number via CAT SIS.
  • Dimensions: Pin Diameter: 3.54 in (89.85 mm); Effective Length: 23.94 in (608 mm); Overall Length: 25.91 in (658 mm).
  • Quality Assurance: Manufactured to meet or exceed US OEM specifications, with quality control performed at ISO 9001-certified facilities.

Benefits

  • Enhanced Durability: The high-grade steel and chrome-plated finish provide exceptional strength, wear resistance, and corrosion protection, extending the pin’s service life in rugged environments.
  • Reliable Performance: The precision-machined design ensures secure alignment and smooth operation in bucket linkage systems, improving machine efficiency and reducing maintenance needs.
  • Cost-Effective: Offers a high-quality aftermarket or OEM alternative, reducing maintenance costs compared to full assembly replacements. No core charge required.
  • Ease of Installation: Designed as a direct-fit replacement with transverse holes for easy fastening, simplifying the repair process and minimizing downtime.

Applications

The Pin 7Y3550 is tailored for use in Caterpillar equipment, specifically suited for:

  • Excavators: 320C FM, 322B, 325, 325B, 325C, 330, 330B, 330B L, 330C, 330C L, M325D MH.
  • Grapple-Orange Peel: GSH15-60.
  • Industries: Construction, excavation, and material handling, where Caterpillar excavators are deployed for tasks such as digging, loading, and material transport.

Technical Specifications

  • Part Number: 7Y3550 (cross-referenced as 7Y-3550, CA7Y3550).
  • Unit of Measure: Each.
  • Condition: New aftermarket or genuine OEM.
  • Weight: Approximately 69-75 lbs (31-34 kg).

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.

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

  • 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.



Send a Message

Please feel free to leave a message. We will reply you in 24 hours.