2180-6059 21806059 Buy SEAL;FLOATING 2180-6059 KOMATSU genuine, new aftermarket tractor parts with delivery DX300

1. Quick Details of  seal 2180-6059:

2. 2180-6059 parts on group :

3.  2180-6059  picture:

4. Service part number :

5. FAQ

Q: What’s the exact application of 2180-6059 and which Doosan models does it fit?
A: It’s a heavy-duty floating oil seal designed for Doosan (Develon) mid-size excavators, including DX140LC, DX170W, DX190W, DX210W, DX225LC, and DX235LCR. It’s installed in the travel motor/final drive reduction gearbox, sealing the bearing chamber to retain gear oil and block mud, water, and rock dust during digging and traveling.

Q: Why is GCr15 steel chosen for the metal rings, and what’s special about NBR60 rubber here?
A: GCr15 (high-carbon chromium bearing steel) offers excellent hardness, wear resistance, and dimensional stability under heavy loads and high temperatures, critical for long-term rotation. NBR60 is a balanced compound: it has good oil resistance, low-temperature flexibility (-20°C), and moderate hardness to ensure uniform sealing pressure without excessive wear, ideal for Doosan’s standard working conditions.

Q: What color is the rubber, and are there alternative designs for extreme environments?
A: The standard rubber color is black, which provides optimal UV and ozone resistance. We also offer brown (high-temperature NBR70) for desert operations, green (chemical-resistant HNBR) for waste treatment plants, and reinforced metal ring versions for mining. The standard design is dual-cone with square rubber cross-section; we also have low-friction coated metal rings for high-speed applications.

Q: What’s included in this assembly, and what are the key installation precautions?
A: It’s a complete, pre-matched assembly containing 2 metal rings and 2 rubber rings (ready for direct installation). Critical tips: 1) Keep all parts ultra-clean (no dirt or oil contamination); 2) Press the seal evenly with a special installation tool (never hammer); 3) Ensure the metal ring’s sealing face is scratch-free; 4) Always replace both sides of the final drive as a pair to maintain balance.

Q: What’s the operating temperature range, quality standard, and typical service life?
A: It operates reliably from -20°C to +120°C, covering cold winters and hot summers. It meets Doosan OEM quality standards with 100% dimensional inspection and pressure testing. The warranty is 12 months or 2,000 hours; service life averages 6,000–9,000 hours under normal conditions, and 3,500–5,000 hours in severe mud/water environments.

Q: Can it replace the original Doosan part directly? Any compatibility notes for older DX models?
A: 100% direct OE replacement for the original 2180-6059. It’s fully interchangeable with older DX-3 series (DX140LC-3/DX210W-3) and newer DX-5/-7 series models. No modifications are needed, but always inspect the final drive housing for wear or corrosion before installation to avoid leaks.

6. Exhibition and Wearhous

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