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What gear oil is used in excavators?

2025-10-09 22:56:29 mechanical

What gear oil is used in excavators? Hot topics and in-depth analysis across the Internet

Recently, the topic of construction machinery maintenance has become increasingly popular on major platforms, especially "excavator gear oil selection" has become the focus of industry discussion. This article combines the hot content of the entire Internet in the past 10 days to provide a structured analysis of the selection criteria, frequently asked questions and recommended products for excavator gear oil to help you make efficient decisions.

1. Data statistics on hot topics across the entire network

What gear oil is used in excavators?

platformAmount of related topicsHot search keywordsfocus
Baidu search12,500+"Gear oil viscosity grade" "Winter oil"climate adaptability
Tik Tok8,200+"Gear oil replacement tutorial" "Brand comparison"Practical guide
Zhihu3,600+"Synthetic oil vs mineral oil" "Long-term wear and tear"Performance differences

2. Excavator gear oil selection standards

1.Viscosity grade: According to SAE standards, the commonly used models are 80W-90 or 85W-140. For low-temperature environments, you need to choose an oil with a smaller value in front of W.

2.API quality level: GL-5 is the recommended grade for construction machinery, with stronger extreme pressure resistance and oxidation resistance.

3.Base oil type: Synthetic oil has a longer life (about 2 times that of mineral oil), but the cost is higher; mineral oil is suitable for regular working conditions with limited budget.

Oil typeOil change intervalApplicable temperatureAverage price (yuan/liter)
Mineral gear oil500 hours-10℃~40℃30~50
Semi-synthetic gear oil800 hours-25℃~45℃60~90
Fully synthetic gear oil1200 hours-40℃~50℃100~150

3. Comparison of popular brands and user feedback

According to e-commerce platform sales and forum reviews, the following brands dominate the market:

  • Shell Spirax Series: High and low temperature stability is outstanding, but there are many fakes, so please pay attention to the channels.
  • Mobil SHC Gear Series: Synthetic oil technology is leading and suitable for heavy-duty working conditions.
  • Great Wall Lubricant: High cost performance and good reputation among domestic brands.

4. Frequently Asked Questions

Q: Will mixing gear oil damage the excavator?
A: Different brands/types of oil additives may conflict. They can be mixed for a short time in an emergency, but the same oil must be replaced as soon as possible.

Q: How to judge the failure of gear oil?
A: If the color turns black, the viscosity decreases (it feels grainy when you rub it with your fingers), or it smells sour, it should be replaced immediately.

5. Operation suggestions

1. Check the oil level and status every 250 hours, and clean the oil tank of impurities regularly.
2. Preheat the oil temperature to above 10°C before starting in winter to avoid gear dry grinding.
3. Choose original factory-certified oil (such as Caterpillar TO-4 standard) to extend the life of the equipment.

In summary, the selection of excavator gear oil requires comprehensive consideration of working conditions, budget and environmental factors. The recently discussed synthetic oil trend, although more expensive, can reduce maintenance frequency in the long run and is worth paying attention to.

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