3557731 Ring is a durable mechanical component designed for Caterpillar 789G, 789, and 789D off-highway trucks. Built for demanding mining and heavy hauling environments, it provides reliable positioning, support, or sealing performance within the equipment assembly. Its high-strength construction and precision design help ensure stable operation under heavy loads, vibration, and continuous-duty conditions.
| Item | Specification |
|---|---|
| Product Name | Ring |
| Part Number | 3557731 / 355-7731 |
| Brand | Caterpillar (Cat) |
| Machine Model | CAT 789G / 789 / 789D |
| Weight | 141 kg |
| Material | High-strength alloy steel, engineered for wear resistance, dimensional accuracy, and reliable performance under heavy-duty operating conditions |
| Condition | Brand New – Genuine |
| Warranty | 6 Months |
| Packaging | Standard Export Carton |
| Availability | Generally in stock |
| Origin | China |
The 355-7731 Ring is compatible with:
For accurate compatibility confirmation, please provide your machine serial number (PIN) or original part number. YLCM’s technical team can verify the correct application before shipment.
Suitable for:
The 3557731 Ring is designed for large Caterpillar haul trucks operating in severe conditions, including open-pit mining, quarry operations, and heavy material transportation where component reliability is essential.
YLCM specializes in supplying construction machinery and mining equipment parts for customers worldwide.
We provide reliable part sourcing, machine compatibility verification, professional export packaging, and logistics solutions for Caterpillar and other major equipment brands.
The 3557731 Ring is professionally packed to ensure safe international transportation and protection against damage, moisture, and corrosion.
Packaging options include:
Shipping solutions include:
YLCM arranges suitable transportation methods according to destination, product requirements, and customer delivery expectations.
Q1: What is 355-7731?
A: 355-7731 is a Ring component designed for compatible Caterpillar heavy-duty mining truck applications.
Q2: Which machines use 3557731?
A: This part is compatible with CAT 789G, 789, and 789D off-highway trucks.
Q3: What is the function of this ring?
A: The ring helps provide proper positioning, support, or sealing within the related assembly, contributing to reliable machine operation.
Q4: Is this ring suitable for mining environments?
A: Yes. It is designed for Caterpillar mining trucks operating under heavy loads, vibration, dust, and continuous working conditions.
Q5: How can I confirm the correct part?
A: Provide your machine model, serial number (PIN), or original part number, and our technical team will assist with compatibility verification.
Q6: What is the warranty period?
A: This product comes with a standard 6-month warranty.
Q7: How is the ring packaged?
A: We use professional export packaging with shock-proof, rust-proof, and moisture-proof protection according to transportation requirements.
Q8: What shipping methods are available?
A: YLCM provides sea freight, railway transportation, land transportation, and multimodal logistics solutions for worldwide delivery.
Looking for the 3557731 Ring for CAT 789G/789/789D?
Contact YLCM for:
Send us your part number and machine details, and our team will help confirm the correct component for your Caterpillar equipment.
