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SDEC provides domestic and international customers with excellent diesel engines and related products designed with efficient technology. In addition to these amazing offerings, we also provide customers with accessories and service support to ensure they are getting the most out of our products.

We supply website downloads of training manuals, user instructions, maintenance manuals, maintenance Videos, and other technical files.
SDEC offers timely online consulting support to servers of overseas accessories factory.
SDEC provides flexible training and remote technical support for international service providers and customers.
We now have authorized service providers in over 20 countries and regions around the world, and we are making efforts to develop new service networks.

For convenient communication for international services, we offer telephone, mail, text message, WeChat, QQ, and other flexible communication channel options.

If you want to know more information about the SDEC overseas service work, you are welcome to contact email to sc_fw@sdec.com.cn.

E series engine

H series engine

W series engine

2. Elements of electric system
  1. R&I of sensors
  2. R&I of the low pressure fuel cut-off valve
  3. R&I of the alternator
  4. R&I of the start motor
  5. R&I of the diesel engine monitor
2. Cooling system
  1. R&I of the engine drive belt
  2. R&I of the heat exchanger
  3. R&I of the cylinder head water outlet pipe
  4. R&I of the water pump
  5. R&I of the thermostat
2. The intake and exhaust system
  1. R&I of the intake pipeline
  2. R&I of the exhaust pipeline
  3. R&I of the intercooler
  4. R&I of the turbocharger
2. Fuel system
  1. R&I of the fuel filter and the base
  2. R&I of the high pressure fuel pump
  3. R&I for the return pipeline of the fuel injector
  4. R&I for the bracket of the high pressure fuel pump
  5. R&I of the high pressure fuel pipe
  6. R&I of the fuel injector
2. R&I of the cylinder head assembly
  1. R&I of the cylinder head cover
  2. R&I of the valve rocker and the push rod
  3. R&I of valves
  4. R&I of the cylinder head and the cylinder head gasket
2. Valve timing mechanism
  1. R&I of the roller shaft
  2. R&I of the camshaft
2. R&I of the lubrication system
  1. R&I of the pre-supply oil pump
  2. R&I of the piston cooling nozzle
  3. R&I of the engine oil cooler and the inletoutlet tubes
  4. R&I of the oil pan
  5. R&I of the engine oil pressure adjusting valve
  6. R&I of the engine oil filter
  7. R&I of oil pump and oil inlet and outlet tubes
2. Crankcase assembly
  1. R&I of engine oil & water tube plug
  2. R&I of cylinder head stud
  3. R&I of cylinder jacket
  4. R&I of camshaft bearing
  5. R&I of flywheel housing
  6. R&I of roller shaft bushing
  7. R&I of engine baseplate
  8. R&I of engine front cover plate
  9. R&I of front oil seal
  10. R&I of rear oil seal
  11. R&I of flywheel zero pointer
2. R&I of crank-connecting rod mechanism
  1. R&I of piston rod assembly
  2. R&I of shock absorber and pulley
  3. R&I of flywheel
  4. R&I of drive gear and idler shaft in gear chamber
  5. R&I of high-pressure fuel pump transmission coupling
  6. R&I of gear chamber baffle
  7. R&I of crankshaft
2. Maintenance and adjustment of engine
  1. Replacement of lubricant and filter
  2. Adjustment of the engine drive belt
  3. Air bleeding of low pressure fuel line
  4. Adjustment of fuel injection time
  5. Adding and replacement of lubricant in high pressure fuel pump
  6. Adding of water pump bearing grease
  7. Replacement of diesel fuel filter
  8. Maintenance and replacement of air filter
  9. Adjustment of valve clearance

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