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What oil should be added to the bulldozer gearbox?

2025-10-14 23:50:27 mechanical

What oil should be added to the bulldozer gearbox? Hot topics and structured guides across the web

Recently, construction machinery maintenance has become a hot topic on the Internet, especially the issue of "selection of bulldozer gearbox oil" has triggered widespread discussion. This article will combine the hot data of the past 10 days to provide you with structured answers.

1. Correlation analysis of hot topics across the entire network

What oil should be added to the bulldozer gearbox?

Hot search keywordsheat indexRelated questions
Construction machinery maintenance82,000Oil change interval controversy
Gearbox failure67,000Misunderstandings in oil selection
Hydraulic system maintenance54,000Risk of oil mixing

2. Transmission oil selection criteria

Oil typeApplicable temperatureOil change intervalMainstream brands
SAE 10W-30-20℃~40℃1000 hoursShell, Mobil
TO-4 standard oil-30℃~50℃1200 hoursGreat Wall, Kunlun
GL-5 gear oil-15℃~35℃800 hoursCastrol, Total

3. Operation precautions

1.Oil quantity control: The oil level should be at 2/3 of the observation window. Too much oil will cause foaming.

2.Oil change steps: Drain the oil from the heat engine → Clean the filter → Magnet chip removal → New oil circulation

3.Mixing taboos: Different brands of oil chemical additives may cause reactions

4. Frequently Asked Questions

questionProfessional answersWrong approach
Should the oil be replaced immediately if it turns black?Changes in viscosity need to be detected. Simple discoloration may not be ineffective.Direct replacement causes waste
Can summer oil be used in winter?Need to replace oil with better low-temperature fluidityAdd diesel to dilute

5. Expert advice

The latest data from the China Construction Machinery Association shows:72% of gearbox failuresCaused by improper use of oil. It is recommended to give priority to oil products certified by ISO 6743-4 and strictly follow the "Oil Technical Specifications" provided by the equipment manufacturer.

6. Maintenance cost comparison

maintenance plancost per tripannual failure rateOverall rating
High quality fully synthetic oil¥2800<5%9.2
Ordinary mineral oil¥150018%6.7

From the above structured analysis, it can be seen that choosing the correct transmission oil not only affects the life of the equipment, but is also directly related to construction safety. It is recommended to check the oil quality every 250 working hours and establish a complete oil file, so as to maximize the working efficiency of the bulldozer.

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