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Cummins EQB190-20 Engine: Genuine 190HP DCEC Diesel Power for Trucks and Buses
The Cummins EQB190-20 engine is a reliable 5.9L inline 6-cylinder diesel engine developed under the Dongfeng Cummins (DCEC) joint venture. As a proven 190HP Cummins diesel engine, it is widely used in medium-duty trucks, city buses, and logistics vehicles.
As a professional supplier, HekoPower provides genuine DCEC EQB190-20 automotive engines with stable quality, competitive wholesale pricing, and fast global delivery.
Tech Specs of Cummins EQB190-20
General Engine Data
Engine Model: Cummins EQB190-20
Type: 6 Cylinders in Line
Displacement: 5.9 L
Bore * Stroke: 102 * 120
Net Weight (with flywheel & alternator): 413 Kg
Overall Dimension: 1026mm*699mm*912mm
Key Performance Data
Rated Power: 140 kW/190 HP
Rated Speed: 2500 rpm
Max Torque/Speed: 640 N.m @ 1500 rpm
Fuel Consumption @ Rated Power: 238 g/Kw.h
Max. No-load Governed Speed: 2750 rpm
Idle-Speed: 750 rpm
Max Continuous Running Altitude: 3000 m
More Technical Data
Certification: Euro II
Aspiration: Turbocharged & Intercooled
Fuel System: Wuxi Weifu Pump
Compression Radio: 17.3:1
Electrical System (Starter Motor/Alternator): 12V (500A)/24V (250A)
Lowest Starting Temp Without auxiliary system: -10℃/-25℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 9.0 L
Reliable Fuel System: The Wuxi Weifu Pump Advantage
A critical component of the EQB190-20 Wuxi Weifu Pump fuel system is its ability to maintain a consistent EQB190-20 fuel consumption rate even under heavy loads. Unlike electronic systems that are difficult to repair in remote areas, the mechanical Weifu pump offers extreme durability and simplified maintenance for fleet operators.
Applications – EQB190-20 for Trucks, Buses & Commercial Vehicles
The Cummins EQB190-20 engine is widely applied in:
- Dongfeng heavy truck & logistics trucks
- City bus & passenger transport vehicles
- Commercial vans & medium‑duty trucks
- High‑altitude operation vehicles up to 3000m
It is the ideal choice for Dongfeng truck engine 190HP replacement and new vehicle assembly. Many customers choose this engine for its low maintenance cost and long service life.
EQB190-20 vs Other Cummins Engines
When conducting an EQB190-20 vs EQB180-20 comparison, the 190HP variant offers a significant 10HP boost and higher torque density, which is vital for fully loaded commercial vans. Compared to the electronic ISBe engine, the EQB series is often preferred in markets where mechanical simplicity and Euro II compliance are required for easier maintenance.
EQB190-20 vs EQB180-20
- Higher power output (190HP vs 180HP)
- Better performance under heavy loads
Cummins EQB190-20 vs ISBe Engine
- Simpler mechanical structure
- Lower maintenance cost
- Suitable for developing markets
Maintenance & Troubleshooting Guide
The Cummins EQB190-20 is known for durability, but regular maintenance is key.
Fuel System
Since this engine uses a mechanical pump, water in the fuel is the enemy. Always check the water separator. If you experience "hunting" (fluctuating RPM), check the governor linkage.
Cooling
The engine requires approximately 9.0L of cooling fluid (depending on the radiator). Ensure the fan clutch is engaging correctly to prevent overheating under heavy loads.
Starting
Equipped with a 12V 500A starter motor, it can start in temperatures as low as -10℃. If starting is difficult, check the pre-heat grid relay.
Why Choose Original DCEC EQB190-20 from HekoPower
Genuine Quality
We only supply DCEC original EQB190-20 engines, fully tested before delivery.
Wholesale Advantage
As a top 190HP Cummins truck engine supplier in China, we offer factory‑level pricing.
Professional Support
Technical support for Euro II emission EQB190-20 engine, installation and troubleshooting.
Global Service Network
Backed by Cummins global service network, you receive reliable after‑sales support worldwide.
DCEC EQB Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes EQB125-20, EQB140-20, EQB160-20, EQB170-20, EQB180-20, EQB190-20, EQB210-20, EQB235-20.
