Dongfeng Cummins EQB125-20 Automotive Engine Technical Data Sheet engine model EQB125-20 Engine Logo Dongfeng Cummins Inspection report number QC06051QD0141/QC05061QD0581 Product technology source Introduced models (Cummins) Emission level GB17691-2001/GB3847-2005 Fuel type Diesel Engine ignition method Compression ignition Engine oil supply Dispensing pump Engine intake method Booster Engine cooling method Liquid cooling Engine combustion chamber structure (compression ignition engine only) Direct injection Engine cylinder arrangement Inline Number of engine cylinders 4 cylinders Engine firing order 1-3-2-4 Engine cylinder center distance (mm) 120 Number of intake valves 1 Number of exhaust valves 1 Displacement (L) 3.9 Volume compression ratio 17.3 Bore diameter (mm) 102 Travel (mm) 120 Rated power (kW) / speed (rpm) 92/2800 Rated oil supply per stroke (mm) 77 Idling speed (rpm) 650-850 Maximum intake resistance (rated speed, 100% load) (kPa) 3.7 Maximum exhaust back pressure (rated speed, 100% load) (kPa) 10 The maximum power (kW) that an accessory driven by the engine allows to absorb 3 Maximum torque (Nm)/rotation speed (rpm) 410/1500 Oil supply per stroke (mm) at maximum torque speed 90 Turbocharger/Model/Manufacturer HX30W/Wuxi Holset Engineering Co., Ltd. Intercooler/model/manufacturer/intercooler outlet maximum temperature Fuel injection pump / model / manufacturer A3960902/Bosch Automotive Parts (Suzhou) Co., Ltd. Â Governor/Model/Manufacturer Bosch Automotive Components (Suzhou) Co., Ltd. Injector / model / manufacturer A3356587/Wuxi Eurasian Diesel Injection Co., Ltd. Engine ECU - Software / Models / Manufacturers Engine ECU - Hardware / Model / Manufacturer