China Safe and Reliable Diesel Engine with ISO9001 Approved (R170A)

Product Description

R170A -T type single cylinder diesel engine for zHangZhoug three-ring, JR170A is enhanced, cylinder diameter and travel have increased to 70 mm, maximum power can reach 3.23 KW, higher stability and beautiful appearance is concise and easy, reliable quality, long service life, small vibration, wide range of USES: can form a complete set of small tractor, agricultural machinery, small construction machinery, generator set, pump, air compressor;
The power plant for the processing of inland river ships and agricultural and sideline products (thresher, rice mill, flour mill, feed machine)
1. This water-cooled diesel engine has a compact appearance and high cost performance
2. Light weight and small size
3. Easy to move, suitable power, can meet the needs of low-power users.
4. Simple operation, stable operation, durable and reliable.
5. R170A-T is equipped with cast iron cover plate and elbow pipe, no water tank is needed, the fuel tank is larger, and the operation time is longer and longer.

Model R170A R170A-T(without hopper)
Type Single Cylinder, Horizontal , 4-Stroke Engine 
Lubrication method Combined Pressure And Splashing
Cooling method water cooling
Combustion System swirl combustion chamber
Starting System hand-start
Rated power(HP) 4HP/2.94KW
Rated speed(RPM) 2600
Bore x Stroke(mm) 70×70
Net weight(kg) 50
Displacement(L) 0.231
Fuel comsumption 315g/kW·h
Oil comsumption 4.1g/kW·h
Fuel tank capacity(L) 3.5 7
Packing size(mm) 570×380×440 570×380×425
20Ft container 300 300

production line


About us

ZheJiang emei power machinery Co., Ltd. is a professional manufacturer of new generation diesel engine in China. The main products are CZPT brand 2-30 HP air and water cooled diesel engine as well as some modification models for different application which are ideal power unts for small generating sets, walking tractor, 3 wheeled vehicle, sprindler, farm boat, pump, threster, tiller and so on. They are exported to southeast Asia and americe area.

Why use diesel?
In today’s world, where fuel prices are increasing as a consequence of spiraling demand and diminishing supply, you need to choose a cost effective fuel to meet your needs. we recommends diesel engines due to their longevity and lower operating costs. Diesel fuel is less expensive compared with gasoline because it goes through a shorter refining process. And, diesel has a higher energy density, i.e. more energy can be extracted from diesel as compared with the same volume of gasoline. Today’s modern diesel engines are so quiet and require much less maintenance than comparably sized gasoline or gas generators (natural gas or propane). Diesel fuel cost per KW of electricity produced is normally (30%-50%) less than gas propane or natural gas generators. Water cooled diesel engines operate on average 20,000-30,000 hours before major engine maintenance is required. Water cooled gas models normally operate 6,000-10,000 hours because they are built on a lighter duty gasoline engine block. Air-cooled gas electric generators are normally replaced – not overhauled at 500 to 1500 hours. Gas generators burn hotter (higher B.T.U of the fuel), and hence they have a significantly shorter lives. CZPT diesel engines are powered by the world’s best engines to bring better power for high-end residential generators customers with larger homes to industrial, institutional, construction, healthcare, marine and military customers seeking prime power or critical emergency backup

Choose an Air Compressor for Your Business

There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.

Positive displacement

Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are 2 different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.


The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only 1 cylinder, which means 1 stroke is required to move air from 1 cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the 1 with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of ​​the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have 1 air intake, and two-stage air compressors have 2 air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.

low noise

Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The 2 water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers 2 models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and 2 universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China Safe and Reliable Diesel Engine with ISO9001 Approved (R170A)  China Safe and Reliable Diesel Engine with ISO9001 Approved (R170A)