E Series Diesel Engine for Express Bus and Coach

E Series Diesel Engine for Express Bus and Coach
E Series Diesel Engine for Express Bus and Coach
E Series Diesel Engine for Express Bus and Coach
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Description
The SDEC E series engine features an outstanding safety, reliability, acceleration performance and strong power. Compared to similar products available on the market, it has a large torque at low speeds and low fuel consumption, with two optional engine models of 10.4L and 11.8L. Its applicable power ranges from 290 to 480Ps, satisfying Chinese IV and V emission standards. . This engine is the ideal choice of power for large, high-end and environmental-friendly coaches.

The E series engine was jointly designed by SDEC and the Austrian company AVL by referencing international commercial vehicle engine models and current advanced engine design concepts from around the world. It is a brand new power platform designed for meeting requirements for a high reliability, high efficiency and low fuel consumption for commercial vehicles, following SAIC MOTOR manufacturing standards.

Outline dimensional drawing
  • SC10E
  • SC12E
Technical parameters
Diesel Engine Engine Model Displacement (L) Aspiration Rated Power Peak Torque Emissions Level
kW ps r/min N.m r/min
10E SC10E300 10.4 TA 221 301 1900 1350 1300 China IV, China V
10E SC10E320 10.4 TA 235 320 1900 1500 1300 China IV, China V
10E SC10E340 10.4 TA 251 341 1900 1600 1300 China IV, China V
10E SC10E360 10.4 TA 265 360 1900 1700 1300 China IV, China V
10E SC10E380 10.4 TA 279 379 1900 1800 1300 China IV, China V
10E SC10E400 10.4 TA 294 400 1900 1950 1300 China IV, China V
12E SC12E400 11.8 TA 294 400 1900 1950 1300 China IV, China V
12E SC12E420 11.8 TA 309 420 1900 2000 1300 China IV, China V
12E SC12E440 11.8 TA 323 439 1900 2100 1300 China IV, China V
12E SC12E460 11.8 TA 338 460 1900 2200 1300 China IV, China V
12E SC12E480 11.8 TA 353 480 1900 2200 1300 China IV, China V
Natural Gas Engine Engine Model Displacement (L) Aspiration Rated Power Peak Torque Emissions Level
kW ps r/min N.m r/min
10ET SC10ET310 10.4 TA 228 310 1900 1350 1100~1300 China V
10ET SC10ET330 10.4 TA 243 330 1900 1450 1100~1300 China V
10ET SC10ET350 10.4 TA 257 350 1900 1550 1100~1300 China V
12ET SC12ET350 11.8 TA 257 350 1900 1550 1100~1300 China V
12ET SC12ET370 11.8 TA 272 370 1900 1650 1100~1300 China V
12ET SC12ET390 11.8 TA 287 390 1900 1750 1100~1300 China V
Features
E Series Technical advantages and features Customer value
Fuel system Adopting Denso electronically controlled common rail system, the injection pressure is 1800bar. With multiple injection, uniform atomization and reasonable distribution, it burns more fully. This engine meets China IV and China V emission levels. The oil consumption is over 10% lower than the similar products.
Gas system Using a WOODWARD advanced and reliable OH2.0 electronically controlled gas system and lean burning technology, the air-fuel ratio is precisely controlled for a low fuel consumption, thus, meeting China V emission levels. This system is proven and reliable with an excellent economy.
Aspiration method The our-valves per cylinder, parallel airway design and high-efficiency exhaust turbocharger and intercooler are all matched based on different working conditions, and can achieve a higher air intake efficiency to burn more efficiently. The torque at 800rpm is 1600N.m and the maximum torque is 2200N.m, with a fast transient load response at low speed. With a low oil consumption, the power is strong.
Design features Using the Benz DD13 as a prototype, it was jointly designed with the Austrian company AVL, with a peak pressure of 190bar. It uses an overhead camshaft, Bedplate high strength cylinder block, rear gear chamber structure, and noise and vibration reduction designs. With a self-regulating variable displacement engine oil pump and integral oil cooling and filtering module, the oil is double filtered to give it a longer service life. The design is reliable. With a low vibration, the noise is reduced by 3 dB to ensure user comfort. The operation cost is low.
Reliability features Using automatic production lines created by MAG and other international first-class brands, it is controlled by an MES system. Referring to the SPS system guarantee from German Volkswagen manufacturing standards, the product has better consistency. Developed using the GPDP product research and development process, over 20000 hours of platform reliability and durability tests have been conducted, with more than 1.5 million km special test and verifications completed during the research and development stage. This engine has an excellent quality with little to no downtime.
Matching adaptability With an optional displacement of 10.4L and 11.8L and optional engine of diesel and natural gas, the continuously serving power covers 213-353kW. Without an auxiliary air intake heating device, the cold starting temperature is -15℃. Based on the assembly configuration and actual operating condition, the engine and assembly are performed matching optimization and customization needs. This engine has various optional configurations like an independent air conditioning compressor drive, various fan drives, engines in different specifications, single cylinder or dual-cylinder compressor pump, in-cylinder brake or exhaust valve assistant brake, a variety of flywheels and various oil refueling positions. The fuel has various choices and the power has a wide coverage. This product features an outstanding environmental adaptability. It can meet diverse requirements and user customization requests.
Maintenance The engine oil draining interval is up to 80000 km, without valve clearance adjustment within 8000-100000km. Using a cracking connecting rod, the accessibility for maintenance is easy with less quick wearing parts. The maintenance cost is reduced with very little downtime. It is convenient to repair and maintain.

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