121 Diesel Engine

121 Serial Diesel Engine, manufactured under world leading technology - 3300 Series product, is elaborately tailor-made to engineering machinery with a global possession number of over 1,000,000 and continuously supported by World leading in technology. Besides, Shanghai Diesel Engine Co., Ltd. introduces World leading's main component processing equipment and product test equipment, adopts America's advanced technology and pays special attention to component reliability in design and manufacture, thus making 121 Diesel Engine known as a generally accepted trump power of engineering machinery for its high quality and reliability.
High Reliability
The exquisite design of the parts and the entire machine follows the design conception of high reliability and long durability, and the sameness of durability between the main parts and the entire machine. The important friction pairs are much reliable and durable. According to the statistics of actual auxiliary application, equipped with a Shovel Loader or dozer, it has a general average breakdown interval of over 4,000h and an overhaul period of over 10,000h. Under severe environmental condition, D7G (160kW/2,000r/min) Crawler Dozer has an average breakdown interval of over 4,167h and an average overhaul period of over 11,500h.

Strong Power
121 Serial Diesel Engine has a power displacement of 10.45L, larger than its competitors, and a coefficient of torque reserve, as high as 1.5. Besides, it is easy to operate with supernormal dynamic performance and good responsivity

High Efficiency
In comparison with its competitors, 121 Serial Diesel Engine is 23% higher in efficiency and 10% lower in fuel consumption rate of unit work amount (more, faster, better and cheaper).

Strong Adaptive Capacity to Plateau
The power of the diesel engine is not prone to loss on a plateau at altitude of 4,500m.
Easy Maintenance and Simple Repair
Adequate Reserve of Parts
All parts are homemade with a reasonable price of part repair and are available nationwide for convenient purchase.
Excellent Start

Main Technical Parameters of 121 Diesel Engine
Model C6121Z Supercharged
Diesel Engine
C6121ZL Supercharged Inter-Cooling Diesel Engine
Bore × Stroke (mm) 120.7×152.4
Displacement (L) 10.45
Rated Power/Speed (kW/r/min) 114/
1900
131/
1900
154/
2200
162/
2200
187/
2200
112/
2200
192/
2200
224/
2200
235/
2100
Maximum Torque/ Speed (N.m/min) 687/
1400
810/
1400
802/
1400
643/
1400
974/
1400
895/
1400
1000/
1400
1167/
1400
1250/
1400
Minimum Fuel Consumption (g/kW.h) 210 215 206
Smoke@ Full-Load Concentration (FSN) 3.0
Allowable Altitude (m) 4500 4500 4500 3750 2000 4200 3200 2000 2000
Noise (dB(A)) ≤99
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