What kind of hydraulic oil is used for small forklifts?
In the field of construction machinery, the hydraulic system of a small forklift is one of its core components, and the choice of hydraulic oil directly affects the performance and life of the equipment. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed analysis of the selection standards, common types and precautions for small forklift hydraulic oil, and provide structured data reference.
1. The role of hydraulic oil in small forklifts
Hydraulic oil is not only a medium for transmitting power, but also has functions such as lubrication, cooling and rust prevention. According to statistics, about 70% of hydraulic system failures are related to improper oil selection or maintenance.
| Function | Description | importance |
|---|---|---|
| power transmission | Pressure drives hydraulic cylinders and motors | Core functions |
| Lubrication protection | Reduce wear on metal parts | Extend life |
| Heat dissipation cooling | Absorbs heat generated by the system | prevent overheating |
| Sealed and rust-proof | Protect components from corrosion | Maintain tightness |
2. Selection criteria for hydraulic oil for small forklifts
According to ISO international standards and recommendations from mainstream manufacturers, when choosing hydraulic oil, you need to focus on the following indicators:
| parameters | Standard range | Detection method |
|---|---|---|
| Viscosity grade | ISO VG32/46/68 | ASTM D445 |
| pour point | ≤-15℃ (in cold areas, ≤-30℃ is required) | ASTM D97 |
| flash point | ≥200℃ | ASTM D92 |
| Wear resistance | PB value≥600N | ASTM D2783 |
| cleanliness | NAS level 8 or below | ISO 4406 |
3. Comparison of mainstream hydraulic oil types
The following is the data of the top five hydraulic oil products sold on e-commerce platforms in the past 10 days:
| brand | Model | Viscosity grade | Applicable temperature | Price(yuan/18L) |
|---|---|---|---|---|
| Shell | Tellus S2MX | ISO VG46 | -20℃~60℃ | 680 |
| Mobil | DTE 10 Excel | ISO VG68 | -10℃~80℃ | 720 |
| Great Wall | L-HM46 | ISO VG46 | -25℃~70℃ | 550 |
| Kunlun | Tianrun HM46 | ISO VG46 | -30℃~65℃ | 490 |
| Castrol | Hyspin AWS | ISO VG32 | -40℃~50℃ | 850 |
4. Precautions for use
1.Oil change interval: It is recommended to replace every 2000 hours or 1 year under normal operating conditions, and it should be shortened to 1000 hours under severe operating conditions.
2.Mixing taboos: It is forbidden to mix hydraulic oils of different brands/models, as sediment may occur.
3.Storage requirements: The shelf life of unopened oil is 3 years, and it needs to be stored away from light and moisture.
4.pollution control: The fuel tank needs to be cleaned before refueling. It is recommended to use a 10μm precision oil filter.
5. Industry hot trends
According to Baidu Index, the search volume of the keyword "hydraulic oil selection" has increased by 35% in the past 10 days, with the main focus being on:
| hot topics | Discussion popularity | Geographical distribution |
|---|---|---|
| Low temperature starting performance | 28% | Northeast/Northwest |
| Biodegradable hydraulic oil | 19% | coastal areas |
| Hydraulic oil online monitoring | 15% | Industrial dense area |
| Identification of counterfeit oil products | 22% | Nationwide |
Summary: ISO VG46 anti-wear hydraulic oil (HM grade) is recommended for small forklifts, and low-condensation hydraulic oil can be selected for operations in cold areas. Regular testing of oil viscosity, moisture content and contamination can effectively prevent system failures. With technological advancement, synthetic ester hydraulic oil and intelligent monitoring systems are becoming new trends in the industry.
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