D Series Diesel Engine for Construction Machinery Manufacturer

D Series Diesel Engine for Construction Machinery

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Description

The SDEC D series engine features a high reliability and low fuel consumption, and is a recently designed engine that features advanced technology, making it one of the most popular engine series on the domestic market. Its maximum torque reserve is as high as 40% and the power ranges between 105KW to 275KW, meeting China III off-road emission standards.

The prototype engine of the D series was designed together with the Austrian company AVL, based on Chinese oil quality and user application habits. In 2005, SDEC worked with the American Southwest Research Institute (SwRI) to improve the reinforced design and four valve upgrade. It is designed based on American heavy duty diesel engine standards, and is an environmentally friendly power source, meeting higher emission standards. This engine series has sold for more than 20 years, with upwards of 1 million sets currently in circulation.

Outline dimensional drawing

Technical parameters

Diesel Engine	Engine Model	Displacement (L)	Aspiration	Rated Power		Peak Torque		Solution	Emissions Level
Diesel Engine	Engine Model	Displacement (L)	Aspiration	kW	r/min	N.m	r/min	Solution	Emissions Level
8D	SC8D143	8.3	TA	105	1900	750	1300	CRS\EGR	China III
8D	SC8D160	8.3	TA	118	2000	680	1400	CRS\EGR	China III
8D	SC8D160.1	8.3	TA	118	1800	750	1400	CRS\EGR	China III
8D	SC8D170	8.3	TA	125	2200	730	1400	CRS\EGR	China III
8D	SC8D170.1	8.3	TA	125	2000	750	1400	CRS\EGR	China III
8D	SC8D175	8.3	TA	128	2200	750	1400	CRS\EGR	China III
8D	SC8D175.1	8.3	TA	128	2000	750	1400	CRS\EGR	China III
8D	SC8D175.2	8.3	TA	128	1800	820	1300	CRS\EGR	China III
8D	SC8D185	8.3	TA	136	2200	760	1400	CRS\EGR	China III
8D	SC8D185.1	8.3	TA	136	2000	840	1400	CRS\EGR	China III
8D	SC8D185.2	8.3	TA	136	1800	870	1300	CRS\EGR	China III
8D	SC8D190	8.3	TA	140	2200	820	1400	CRS\EGR	China III
8D	SC8D190.1	8.3	TA	140	2000	880	1400	CRS\EGR	China III
8D	SC8D190.2	8.3	TA	140	1800	980	1400	CRS\EGR	China III
8D	SC8D200	8.3	TA	147	2200	860	1400	CRS\EGR	China III
8D	SC8D200.1	8.3	TA	147	2000	920	1400	CRS\EGR	China III
8D	SC8D220	8.3	TA	162	2200	920	1400	CRS\EGR	China III

Diesel Engine	Engine Model	Displacement (L)	Aspiration	Rated Power		Peak Torque		Solution	Emissions Level
				Rated Power		Peak Torque
				kW	r/min	N.m	r/min
9D	SC9D160	8.8	TA	115	1800	800	1300	CRS\EGR	China III
9D	SC9D190	8.8	TA	140	1900	920	1400	CRS\EGR	China III
9D	SC9D200	8.8	TA	147	2200	860	1400	CRS\EGR	China III
9D	SC9D210	8.8	TA	155	2200	910	1400	CRS\EGR	China III
9D	SC9D220	8.8/9.3L	TA	162	2200	950	1400	CRS\EGR	China III
9D	SC9D220.1	8.8	TA	162	2000	980	1400	CRS\EGR	China III
9D	SC9D230	8.8	TA	170	2200	1000	1400	CRS\EGR	China III
9D	SC9D240	8.8	TA	177	2200	1040	1400	CRS\EGR	China III
9D	SC9D240.2	8.8	TA	177	2000	1100	1400	CRS\EGR	China III
9D	SC9D250	8.8	TA	184	2200	1110	1400	CRS\EGR	China III
9D	SC9D250.1	8.8	TA	184	2050	1110	1400	CRS\EGR	China III
9D	SC9D260	8.8	TA	192	2200	1110	1400	CRS\EGR	China III
9D	SC9D270.1	8.8	TA	200	2200	1150	1400	CRS	China III
9D	SC9D270	8.8	TA	200	1800	1250	1300	CRS	China III
9D	SC9D280	8.8	TA	206	2200	1200	1400	CRS	China III
9D	*SC9DF280	8.8	TA	213	2200	1200	1400	CRS	China III
9D	*SC9DF300	8.8	TA	220	2200	1300	1400	CRS	China III
9D	*SC9DF320	8.8	TA	235	2200	1380	1400	CRS	China III
9D	*SC9DF340	8.8	TA	250	2200	1450	1400	CRS	China III

Natural Gas Engine	Engine Model	Displacement (L)	Aspiration	Rated Power		Peak Torque
				kW	r/min	N*m
				kW	r/min	N*m
9DT	SC9DT200	8.8	TA	148	2100	700
9DT	SC9DT220	8.8	TA	162	2200	930
9DT	SC9DT230	8.8	TA	170	2000	930
9DT	SC9DT250	8.8	TA	184	2200	960
9DT	SC9DT280	8.8	TA	170	2000	930
9DT	SC9DT280	8.8	TA	206	2100	1112
9DT	SC9DT280.1	8.8	TA	206	2100	1200

Note

Bore x stroke (mm)	Products with* are of 4-valve.	Aspiration	Type	Compression ratio	Solution
8D 114x135 9D 114x144611652x144 90T 114x144	Products with* are of 4-valve.	TA Turbocharged and intercooled	8D/9D/9DT In-line,six cylinders	8D/9D 18: 1 9DT 11: 1	CRS electronically controlled common rail EGR mechanical pump ＋ external EGR Electronically controlled premixing

Features

D series	Technical features	Customer value
Fuel system	1. Electronically controlled shared-rail design: it uses the Japanese Denso third generation electronic control system, with a maximum injection pressure of 1800bar and DLC coated fuel injector of Denso patented technology. 2. Reducing the pitting corrosion and wear of fuel injector: this achieves multiple injections during sequential processes to ensure uniform atomization and full combustion. 3. Mechanical pump scheme: high quality mechanical pump + external EGR.	1. The fuel consumption is reduced by 10-15%, thus extending the service life. 2. It meets Off-Road III and above emission standards.
Gas system	1. The engine uses a single point injection gas supply mode and two control strategy: lean burning and mixed burning (lean burning + equivalent burning). 2. Controller (ECU), sensor, electronic throttle, sparking coil, spark plug and other key components are all sourced from internationally known brands.	This system is proven and reliable.
Aspiration method	With optional 2-valve and 4-valve products, optimized designs of combustion chamber and swirl ratio airway, the turbocharger is selected according to various working conditions, power and torque requirements. The higher air intake efficiency improves the combustion efficiency. It has a high power density, a maximum torque reserve of 40% and fast transient load response.	1. With a low fuel consumption, the operation cost is low. 2. It has a fast transient load response, strong power and excellent adaptability to working conditions.
Design features	1. By partnering with AVL and SwRI, this product meets North American heavy-duty diesel engine standards. With a high strength cylinder head and engine block, 4-valve structure and 180bar peak pressure, all the parts are designed at 295kW. 2. Using an integral design, the parts are 20% less than the general diesel engines, and feature a simple structure and a smaller size when compared with the same power engine.	1. This engine has a high reliability and no downtime. 2. The overall layout is flexible.
Reliability features	1. Designed as a 295kW heavy-duty diesel engine, it has a high reliability margin. With advanced machining and assembly lines, it is controlled by an MES system. 2. By referencing the SPS system guarantee of German Volkswagen manufacturing standards, the engine features an excellent consistency. 3. Using proven and reliable international first-class accessories, this engine has been a popular choice for more than 20 years, and is the preferred power for construction machinery.	It is an advanced, reliable and high performance engine.
Matching adaptability	1. With optional displacements of 8.3L and 8.8L, optional 2-valve and 4-valve, and optional engine fuel sources of diesel or natural gas, the power ranges from 105kW to 275kW. 2. Without an auxiliary air intake heating device, the cold starting temperature is -15℃. 3. According to the assembly configurations and actual operating condition, the engine and assembly are conducted to match optimization and customization. 4. Various configurations for flywheel, flywheel house, engine, air compressor and steering pump are available. There are also various structures and types to choose from for the PT0 and oil pan.	1. This engine has a wide application and excellent environmental adaptability. 2. It has the best power performance and economy.
Maintenance	1. The electronically controlled engine can achieve intelligent real-time diagnosis. 2. With over 1 million sets in circulation, the maintenance network and spare parts suppliers are located all over China.	The maintenance cost is low.

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