1, engine cylinder block: the skeleton of diesel engine, which supports and installs other components, including cylinder block, cylinder liner, cylinder head, cylinder gasket, oil pan, flywheel housing, timing gear housing, front and rear feet.
2. Crank-connecting rod mechanism: the main moving part of diesel engine, which converts the energy generated by fuel combustion into mechanical energy through piston, piston pin, connecting rod, crankshaft and flywheel. Comprise a crankshaft, a connecting rod, a piston, a piston pin, a piston pin snap ring, a piston pin bushing, a piston ring, a main shaft bearing, a connecting rod bearing, front and rear oil seals of the crankshaft, a flywheel, a shock absorber and the like.
3. Valve mechanism: Open and close the intake valve and exhaust valve regularly. Comprises a timing gear, a camshaft, a tappet, an ejector pin, a rocker arm, a valve, a valve spring, a valve seat ring, a valve guide, a valve lock block, an intake and exhaust pipe, an air filter, a silencer, a supercharger and the like.
4. Fuel supply system: according to the needs of diesel engine, diesel oil is regularly and quantitatively supplied to the combustion chamber for combustion. Including diesel tank, oil pipeline, diesel filter, fuel injection pump, fuel injector, etc.
5. Lubrication system: provide lubricating oil to all moving friction pairs, including oil pump, oil filter, pressure regulating valve, pipeline, instrument and oil cooler.
6. Cooling system: radiate the heat generated by the diesel engine to the atmosphere. Including water tank, water pump, fan, water pipe, thermostat, water filter, fan belt, water thermometer, etc.
7. Electrical appliances: auxiliary equipment for starting, lighting, monitoring and operation. Including generators, starting motors, batteries, relays, switches, circuits, etc.
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