Small Car Gearbox

Your Premier Small Car Gearbox Manufacturer！

Zhejiang Dafa Gear Co., Ltd. is a provincial high-tech enterprise integrating R&D, manufacturing and sales of automobile and motorcycle transmission gears and gear reducers, with more than 25 years of manufacturing experience in the industry.

Why choose us ?

Advanced Equipment

The company has more than 400 sets of various equipment such as turning, rolling, planing, grinding, and heat treatment.

Professional Team

It has more than 500 employees and has passed ISO 9001:2002 and ISO/TS16949:2009 quality management system certifications.

Accept ODM/OEM service

We can customize the gears you need based on the drawings or items you provide, and go through a strict quality inspection process to ensure delivery meets the required standards.

24H Online Service

We have professional sales managers online 24 hours a day to help you deal with various gear-related issues.

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What is small car gearbox?

A small car transmission, also called a transmission, is the mechanical device in a small car that transfers power from the engine to the wheels. It consists of a series of gears and shafts that work together to provide different gear ratios, allowing the driver to control the vehicle's speed and torque.

The transmission plays a vital role in determining the performance, efficiency and driving characteristics of a small car. It converts the rotational power generated by the engine into a usable form for the wheels, allowing the car to accelerate, slow down and maintain different speeds.

Advantages of small car gearbox

Fuel efficiency

Small car gearboxes are designed to optimize fuel efficiency by providing a wide range of gear ratios. This allows the engine to operate at its most efficient speed, resulting in better fuel economy.

Compact size

Small car gearboxes are typically smaller and lighter than gearboxes used in larger vehicles. This helps to reduce the overall weight of the car, which can improve handling and maneuverability.

Cost-effective

Due to their smaller size and simpler construction, small car gearboxes are generally more cost-effective to manufacture and maintain compared to larger gearboxes. This can contribute to lower vehicle costs and potentially lower maintenance expenses.

Improved acceleration

Small car gearboxes often have shorter gear ratios, which means they provide higher torque at lower speeds. This can result in quicker acceleration, allowing small cars to navigate urban traffic and city driving more efficiently.

Easy maneuverability

With a small car gearbox, it is easier to shift gears and change speed quickly. This can be beneficial in city driving conditions where frequent starts and stops are common.

Enhanced performance

Small car gearboxes are designed to maximize the performance of smaller engines. They can help extract the maximum power from the engine, allowing small cars to deliver adequate performance while maintaining fuel efficiency.

Components of small car gearbox

1.Input Shaft: The input shaft is connected to the engine and transmits power to the gearbox.

2.Gears: Gears are the primary components that transfer power from the input shaft to the output shaft. They come in different sizes and types, and are arranged in a specific sequence to provide different gear ratios.

3.Output Shaft: The output shaft is connected to the driveshaft, which transfers power to the wheels of the car.

4.Synchronizers: Synchronizers are used to match the speed of the gears before they engage, allowing for smooth shifting between gears.

5.Shift Forks: Shift forks are components that move the gears into their appropriate position when shifting between gears.

6.Bearings: Bearings are used to support the rotating shafts and gears, reducing friction and wear.

7.Clutch: The clutch is a device that connects and disconnects the engine from the gearbox. It allows the driver to engage or disengage the transmission from the engine, enabling gear changes and controlling power delivery to the wheels.

8.Transmission Case: The transmission case is the outer housing that encloses all of the internal components of the gearbox, protecting them from damage and providing support.

Types of small car gearbox

Manual transmission

Also known as a "stick shift," manual transmissions require the driver to manually change gears using a gear stick and clutch pedal. They offer direct control over gear selection and are often preferred by driving enthusiasts for their engagement and control.

Automatic transmission

Automatic transmissions shift gears automatically, requiring no manual input from the driver. They are convenient and easy to use, making them popular in urban and stop-and-go traffic situations.

Continuously Variable Transmission (CVT)

CVT gearboxes offer seamless and continuous gear ratio changes, providing smooth acceleration and improved fuel efficiency. They operate without fixed gear steps, allowing the engine to operate at optimal RPMs for better performance and economy.

Dual-clutch transmission (DCT)

DCTs use separate clutches for odd and even gear sets, enabling rapid and seamless gear changes. They combine the efficiency of a manual transmission with the convenience of an automatic, making them a popular choice for sporty and high-performance small cars.

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FAQ

Q: What is the gearbox in a car called?

A: In a car, a transmission, or a gearbox, acts as the medium that transmits power generated by the engine to the wheels via a mechanical system of gears and gear trains. A transmission allows a person to apply power to a vehicle in a controlled manner, without which, the car would not efficiently move.

Q: Can a car run without a gearbox?

A: The transmission can also be called the gearbox. This is made up of various components that turn the power produced by the engine into something the vehicle can use. Without a transmission, the engine would still run, but you would not go anywhere.

Q: What are the different types of gearbox in cars?

A: Different types of gearboxes in cars. The primary types of car gearboxes are manual and automatic. The automatic gearbox is further classified into Torque Converter, CVT (Continuously Variable Transmission), Automatic Manual Transmission (AMT) and DCT (Dual Clutch Transmission).

Q: How long does a car gearbox last?

A: Exactly how long they last depend on driving conditions, whether you're towing heavy loads and even outside temperatures. That said, with normal driving you could get as little as 5-7 years out of a gearbox/transmission, or it could last the lifespan of your vehicle depending on the maintenance.

Q: What is the difference between a transmission box and a gearbox?

A: A transmission is what allows the power to be transferred from the engine to the drive shaft which then sends that power to the driving wheels. As a part of the transmission, a gearbox houses the gears that determine how much power is transferred to the drive shaft via revolutions or 'revs'.

Q: What will a bad gearbox do?

A: With a vehicle with a gearbox bearing failure symptoms, you may experience shaking, jerking or grinding while behind the wheel. Automatic gearbox issues often involve hesitation, slipping, or trembling during gear changes. Manuals are more likely to "grind" when suffering a gearbox fault.

Q: How much does gearbox cost?

A: Gearbox replacements have variable costs – typically between £500 and £2,500. Factors including the make, model, and engine size will affect the cost to replace the part.

Q: What is the best car gearbox?

A: Both Dual Clutch Transmission and Continuously Variable Transmission gearboxes are unique and cater to different needs. CVT can be better if you want a smooth and efficient driving experience. However, if you are looking for lightning-fast gear shifts and better acceleration, DCT can be a better choice.

Q: What are the three types of gearbox?

A: In general, there are three different types of gearboxes: concentric, parallel, and right angle. A fourth type called shaft mount is also used in situations where the applications are in a configuration where they cannot be mounted by foot.

Q: How long does it take a mechanic to replace a gearbox?

A: Gearbox repairs sometimes involve removing the gearbox from your car for an extensive inspection before replacing the faulty parts. A gearbox has lots of moving bits and pieces, so some repairs will usually take 1-2 days for straightforward repairs, although complex jobs may end up adding time to the clock.

We're professional small car gearbox manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to buy or wholesale high-grade small car gearbox at competitive price from our factory.