Products

YCS04

  • Power range: 170-220 hp
  • Applications: 9-11m school buses, and 7-8m road buses
  • Product slogan: classic and the most cost-effective engine

Product Parameters

ADVANTAGES

Product Feature

1.Reliability and durability

Long B10 service life, which is up to 800,000 km - 1,000,000 km

Passed the bench test of 30,000 hours

Passed the road test of 3 million km

High explosion pressure

High-strength body

Forged steel crankshaft

Core parts of international brands

2.Flexible power adjustment

Increase of power by 18%

Increase of maximum torque by 20%

Increase of low-speed torque by 13%

Low-inertia turbocharger

New-generation high pressure common rail system

Overhead camshaft, achieving high low-speed torque and wide speed range

3.Fuel-efficient and worry-free

Minimum specific fuel consumption: 3.5% lower than China V engines

Speed range of 200g economical fuel consumption: 55% wider than China V engines

Minimum specific fuel consumption: 3~7 g/kWh lower than competitors

Oil change cycle of 20,000 km/60,000 km (optional)

4.Lightweight structure

130 kg lighter than original China V engines, and 15~50 kg lighter than competitors

Compact design, achieving significantly smaller overall dimension than China V engines

Integrated modular design of water pump, oil cooler, air intake pipe and other parts

Application of lightweight parts such as aluminum alloy cylinder head, flywheel housing and air intake pipe

5.Low noise and comfort

Lower noise than Chinese competitors by 3~4 dB(A)

High-strength body with optimized NVH

Plastic cylinder head cover + oil pan

Noise-reduction gear

High-precision gear + anti-backlash gear

Combustion noise control technology

Product Parameters

 

Product Series

Model Series

Displacement (L)

Bore × Stroke

Number of Valves per Cylinder

Emissions

Power
(kw/rpm)

Torque
(N.m/rpm)

Fuel System

Exhaust Aftertreatment

Dry Weight (kg)

Oil Change Cycle

B10 Service Life (10,000 km)

YCS04

YCS04170-50/30

4.30

105×124

4

Euro V, Euro III

125/2300

550/1200~1900

Delphi common rail fuel system

SCR

370

20,000 (standard); 60,000 (optional)

80

YCS04180-50/30

132/2300

650/1200~1900

YCS04200-50/30

147/2300

720/1200~1600

YCS04220-50/30

162/2300

850/1300~1600

 

ADVANTAGES

Product Feature

STRONG POWER

Large displacement, high gradeability and high efficiency

FUEL ECONOMY

Bosch high pressure common rail (HPCR) fuel injection system with the injection pressure up to 1,600 bar, achieving multiple injections and accurate control

RELIABILITY

High-strength alloy cast iron cylinder head
General engine block + independent crankcase
Long B10 service life design, which can be more than 500,000 km

COMFORT

Reduction soft meshing starter, ensuring smooth start
A framed engine body structure, ensuring good rigidity and small vibration Damping gear

Product Parameters

1.Reliability and durability

Long B10 service life, which is up to 800,000 km - 1,000,000 km

Passed the bench test of 30,000 hours

Passed the road test of 3 million km

High explosion pressure

High-strength body

Forged steel crankshaft

Core parts of international brands

2.Flexible power adjustment

Increase of power by 18%

Increase of maximum torque by 20%

Increase of low-speed torque by 13%

Low-inertia turbocharger

New-generation high pressure common rail system

Overhead camshaft, achieving high low-speed torque and wide speed range

3.Fuel-efficient and worry-free

Minimum specific fuel consumption: 3.5% lower than China V engines

Speed range of 200g economical fuel consumption: 55% wider than China V engines

Minimum specific fuel consumption: 3~7 g/kWh lower than competitors

Oil change cycle of 20,000 km/60,000 km (optional)

4.Lightweight structure

130 kg lighter than original China V engines, and 15~50 kg lighter than competitors

Compact design, achieving significantly smaller overall dimension than China V engines

Integrated modular design of water pump, oil cooler, air intake pipe and other parts

Application of lightweight parts such as aluminum alloy cylinder head, flywheel housing and air intake pipe

5.Low noise and comfort

Lower noise than Chinese competitors by 3~4 dB(A)

High-strength body with optimized NVH

Plastic cylinder head cover + oil pan

Noise-reduction gear

High-precision gear + anti-backlash gear

Combustion noise control technology

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