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Our diesel engines are suitable for light duty trucks, medium duty trucks, heavy-duty trucks and 6-9m buses as well as engineering machines, etc.
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    1. Diesel Engine
    2. 4 A Series Diesel Engine
    3. 3L Series Diesel Engine
    4. 102 Series Diesel Engine
    5. D Series Diesel Engine
    1. CNG Engine
    1. 4 Cylinder Diesel Engine
    2. Diesel Engine CY4100 Series
    3. Diesel Engine CY4102 Series
    4. Diesel Engine CY105 Series
    5. Diesel Engine 4 A Series
    6. Diesel Engine CYQD32 Series
    7. Diesel Engine NGD 3.0 Series
    1. 6 Cylinder Engine
    2. Engine CY6102BQ Series
    3. Engine CY6102BZQ Series
    4. Engine CY6102BZLQ Series
    1. Euro II Engine
    2. Diesel Engine CY100 Series
    3. Engine CY102 Series
    4. Diesel Engine CY105 Series
    5. Diesel Engine 3L Series
    6. Diesel Engine D Series
    7. Diesel Engine 4 A Series
    8. CNG, LPG Engine
    1. Euro III Engine
    2. CY4102-C3A/B
    3. CY4102-C3C/D
    4. CY4102-C3E/F/G
    5. CY4102-D3A/B/C
    6. CYQD80-E3
    7. Diesel Engine CY4A Series
    8. CY4D Euro III Upgraded Diesel Engine
    9. CNG Engine Euro III Series
    10. Diesel Engine NGD 3.0 Series
    1. Special Diesel Engine
    2. Bus Diesel Engine
    3. Engineering Machinery Diesel Engine
    4. SUV Diesel Engine
    5. Truck Diesel Engine
    6. Pickup Truck Engine
    7. Light Duty Truck Engine
    8. Light Bus Engine
    9. Multifunction Vehicle (MPV) Engine
    10. Medium Truck Engine
    11. Heavy Duty Truck Engines
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Home » Products » Diesel Engine » 102 Series Diesel Engine » Diesel Engine CY4102 Series
Diesel Engine CY100 Series Diesel Engine CY4102 Series Diesel Engine CY6102 Series Diesel Engine CY105 Series
Diesel Engine CY100 Series

Diesel Engine CY4102 Series

Our CY4102 series are inline, water cooled, four-stroke vertical diesel engines.
CY4102BQ Series
1. Performance
By taking advantage of the design philosophy for Japanese ISUZU 4BD1 vehicle engines, we have successfully developed CY4102BQ series high speed diesel engines which have high power performance and are fuel economy.
2. Application
CY4102BQ series diesel engines are ideal for 2-3ton light duty vehicles, 6-7m buses, tourist buses and intercity buses, as well.
3. Optional equipment
Optional devices like air brake, oil brake, air compressor, warm air heater and power steering pump, etc. are available for CY4102BQ series diesel engines, upon customer's request.

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CY4102BZQ Series
1. Performance
CY4102BZQ series are turbocharged diesel engines which are designed and manufactured by making improvements on CY4102BQ series natural aspirated diesel engines.
To ensure high performance and long service life of our CY4102BZQ series turbocharged engines, we employ exhaust turbocharging technology and make improvements on engine's intake and exhaust system, fuel supply system, combustion system, cooling system and lubrication system.
Preheating system is also designed and installed inside the cylinder, so as to improve the cold start performance of our diesel vehicle engines.
2. Emission standard
CY4102BZQ series are Euro II engines.
3. Parts and components
The parts and components of CY4102BZQ series diesel engines are mostly interchangeable with that of CY4102BQ naturally aspirated engines. Both series of engines are provided with easy access to spare parts and feature easy maintenance.
4. Application
CY4102BZQ series diesel engines are applicable for 2-3 ton trucks, high-grade intercity buses, luxury tourist buses, and so on. Through modification, they can also be used for many other machines and equipment.

CY4102BZLQ Series
1. Performance
CY4102BZLQ series turbocharged intercooled diesel engines are Euro II engines designed and developed based on CY4102BZQ series.
We design and manufacture CY4102BZLQ series of diesel engine by using air to air intercooling technology and we also upgrade the engine's intake and exhaust system, fuel supply system, combustion system, cooling system and lubricating system, etc.
Engine bench test, reliability test, and users' feedback have proved that our CY4102BZLQ series vehicle engines have rational structure, high performance and high reliability. Meanwhile, the cylinder block, crankshaft and piston as well some other key components are made with new structures and new technologies, which greatly enhance the strength and rigidity of our diesel engines.
2. Emission standard
CY4102BZLQ series are Euro II engines.

Technical Parameters of Diesel Engine CY4102 Series

Model 4102BQ 4102BZQ 4102BZLQ
Type Inline, water cooled, 4-stroke, vertical diesel engines
Cylinder No.-Bore×Stroke 4-102χ118 4-102χ118 4-102χ118
Displacement (L) 3.856 3.856 3.856
Firing order 1-3-4-2 1-3-4-2 1-3-4-2
Intake mode Naturally aspirated Turbocharged Turbocharged intercooled
Rated power (Kw) 70.6 88 88
Speed at rated power (rpm) 3200 2800 2800
Max. torque (N.m) 245 343 392
Speed at max. torque (rpm) 2200 1400-1800 1600-1800
Compression ratio 17.5:1 16.5:1 17:1
Idling speed (rpm) ≤650 ≤650 ≤650
Max. idling speed (rpm) ≤3520 ≤3220 ≤3220
Exhaust temperature ≤680℃ ≤650℃ ≤700℃
Min. specific fuel consumption at full load (g/Kw·h) 238 225 225
Combustion Direct injection

Our company is a professional diesel engine manufacturer and supplier based in China, with vast production and marketing experience. Till now, we have successfully exported our products to Russia, Egypt, Columbia and Vietnam and more. Our products fall into 6 cylinder and 4 cylinder diesel engines and CNG engines. They are commonly used for public buses, engineering machinery, SUV, pickup trucks and other light duty trucks, as well.
We welcome worldwide customers to choose our products.

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Vehicle Diesel Engine, Light Duty Vehicle Engine
    1. Diesel Engine CY6102 Series Featuring high power index and good economy, CY6102BQ vehicle engines are ideal power equipment for medium trucks, luxury coaches, tourist buses, and public buses, and more. According to customers' demands, optional devices for diesel engines like air conditioner, air heater and power steering pump, etc. are available..
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