Yuchai YC6LN: Field Test Results in Nigerian Intercity Passenger Transport - Cases

To validate the real-world operational performance of the Yuchai YC6LN-52 natural gas engine in intercity passenger transport, comprehensive field trials were conducted on mixed h2ighway and national road corridors connecting Lagos and Abuja, Nigeria. The test vehicle runs an 800‑kilometer round trip on mixed roads, fully reflecting the typical operating environment for intercity passenger services in West Africa.

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The test unit is a Higer intercity coach powered by the Yuchai YC6LN-52 engine and matched with a Fast 5-speed transmission. This powertrain setup provides stable and consistent power for passenger transport at cruising speeds of 60–80 km/h, well suited to 52‑passenger intercity operations on Nigeria's road network.

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Key Performance Specifications and Operational Data (Sourced from Field Test Records)：

Engine Model	YC6LN
Vehicle Brand	Higer
Power (PS)	197kw
Transmission	Fast 5-speed
Operating Route	Lagos – Abuja (800 km round-trip)
Road Condition	Highway
Normal Speed (km/h)	60-80
Cumulative Operation Mileage(km)	150,000
Full-Load Range	500 km
Fuel Type	CNG

Strong Power & Smooth Performance

With a rated power output of 197 kW, the Yuchai YC6LN-52 engine delivers sustained torque even during long-distance cruising. Drivers and operators praise its responsive acceleration, low noise, and smooth operation, which support punctual and comfortable passenger services.

High Gas Efficiency & Lower Operating Costs

Under real-world full-load conditions, the engine achieves a range of approximately 500 kilometers and consumes roughly 8% less fuel per 100 kilometers compared to similar engines. This improved efficiency helps operators reduce costs and improve profitability.

Excellent Reliability & High Vehicle Availability

After accumulating 150,000 kilometers of service, the coach and engine maintain a low failure rate and high operational stability. The reliable performance reduces maintenance downtime and ensures continuous intercity transport services.

Stable Performance & Responsive After-Sales Support

The YC6LN-52 engine features strong durability and consistent power delivery, supported by responsive local after-sales service. Paired with the Higer coach, it meets the high requirements of the intercity passenger transport industry in West Africa.

Based on field test data and user feedback, the Yuchai YC6LN-52 engine offers clear advantages in power, efficiency, and reliability. It has become a preferred power solution for Higer intercity coaches in Nigeria, fully meeting the demands of efficient and dependable long-distance passenger transport.

For intercity passenger fleet operators seeking a reliable and economical natural gas engine solution, the Yuchai YC6LN-52 represents a proven, high-quality choice backed by professional local service.