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Truck Gearboxes: The "Powerful Heart" Determining Transportation Efficiency – A Comprehensive Guide to Selection and Maintenance
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Update time : 2025-06-26 13:48:48
In the massive body of a truck, the gearbox acts as the "powerful heart," connecting the engine at one end and driving the wheels at the other. It directly impacts power output, fuel consumption, and driving safety. Below, we'll help you quickly grasp the core knowledge of gearboxes.
Three Mainstream Types of Gearboxes: Each with Its Own Advantages
Manual Transmission (MT)
- Advantages: Simple structure, high transmission efficiency, fuel - efficient during heavy - load transportation, and low maintenance cost.
- Disadvantages: Frequent shifting can cause fatigue, and it requires high driving skills.
Hydraulic Automatic Transmission (AT)
- Highlights: Automatic shifting, easy to drive, smooth gear changes, making it suitable for transporting precision goods.
- Shortcomings: Complex structure, high cost, and slightly higher fuel consumption.
Automated Manual Transmission (AMT)
- Features: Combines the advantages of manual and automatic transmissions, balancing economy and convenience.
- Limitations: Slightly slower shifting speed, and the electronic system requires professional maintenance.
Choosing the Right Gearbox Saves Real Money
| Scenarios | Recommended Types | Core Advantages |
|---|---|---|
| Long - haul trunk transportation | AT/AMT | Comfortable, fuel - efficient, reducing driving fatigue |
| Urban distribution | AMT | Adapts to frequent stops and starts, improving efficiency |
| Engineering transportation | MT/Special AT | High torque, suitable for complex road conditions |
Three Key Points for Gearbox Maintenance
- Oil Inspection: Regularly check the oil level and condition. Replace the oil every 60,000 - 80,000 kilometers for manual transmissions and every 40,000 - 60,000 kilometers for automatic transmissions.
- Standard Operation: Depress the clutch fully for manual transmissions, and avoid sudden gear changes for automatic transmissions.
- Abnormality Handling: If jerks, abnormal noises, etc. are detected, immediately carry out inspections and repairs to prevent further damage.
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