Weichai Power (Chinese famous brand, Chinese well-known trademark, Weichai Power Co., Ltd.);

Shanghai Diesel Power? (Chinese famous brand, Shanghai Diesel Engine Co., Ltd.);

Dongfeng Chaochai? (Chinese famous brand, Chinese well-known trademark, Dongfeng Chaoyang Diesel Engine Co., Ltd.)

Xichai (Chinese famous brand, Chinese well-known trademark, FAW Wuxi Diesel Engine);

Changchai (Chinese famous brand, Chinese well-known trademark, Changchai Co., Ltd.);

Yuchai (Chinese famous brand, Chinese well-known trademark, Guangxi Yuchai Group);

Cummins (Ten diesel engine brands in China, Cummins (China) Investment Co., Ltd.);

Petroleum Jichai-Chidong (Ten diesel engine brands in China, Jinan Diesel Co., Ltd.);

CSSC Heavy industry? (China's top ten diesel engine brands, Henan Diesel Engine Heavy Industry Co., Ltd.);

Shifeng (China's famous brand, Shandong Shifeng (Group) Co., Ltd.), etc. Are these mostly domestically produced or some imported?

Extended information:

According to the national standard GB725, the internal combustion engine model consists of the number of cylinders, stroke type, cylinder arrangement, and bore diameter. Structure

Characteristics and usage feature symbols, composed of distinguishing symbols that change in structure and performance after modification.

Represents the meaning of the diesel engine model:

1-Product replacement code: absent, basic type; X, new type; B, R, replacement signs.

2-Number of cylinders (number).

3-Cylinder arrangement: absent, in-line; V, V-shaped arrangement.

4-Cylinder diameter (mm).

5-Special code names for some series.

6-Enhancement code: absent, non-supercharged; Z, supercharged; ZL, supercharged and intercooled.

7-Use code: G, basic type; D, for power stations; C, for marine use; K, for construction machinery.

8-Variant code: absent, standard type: 1, 2, 3, variant design code.

Example:

12V135D-12 cylinder, V-shaped arrangement, cylinder diameter 135mm, diesel engine for power stations.

6135AZD-1-6 cylinder, in-line, cylinder diameter 135mm, supercharged, power station, type 1 design diesel engine.

R6250ZCD-replacement type, 6-cylinder, in-line, bore 250mm, supercharged, marine power station diesel engine.

6160ZL-3-6 cylinder, in-line, bore 160mm, supercharged and intercooled, type 3 design diesel engine.

Diesel engine

195: Indicates single cylinder, four-stroke, bore 95mm, universal water-cooling type

165F: Indicates single-cylinder, four-stroke, bore 65mm, air-cooled Universal cooling type

495Q: means four cylinders, four strokes, bore 95mm, for water-cooled vehicles

6135Q: means six cylinders, four strokes, bore 135mm, for water-cooled vehicles

X4105: means four-cylinder, four-stroke, bore 105mm, water-cooled universal type, X means series code