Longitudinal and cross-sectional view of the D-245 engine

The figures show a longitudinal and cross-sectional view of the D-245 diesel engine

Longitudinal section of the diesel engine: 1 - liquid pump of the cooling system; 2 - drive belt of the generator and liquid pump; 3 - fan; 4 - thermostat housing cover; 5 - thermostat; 6 - cylinder head cover; 7 - inlet valve; 8 - outlet valve; 9 - turbocharger; 10 - crankcase ventilation valve; 11 - rocker arm; 12 - cap; 13 - cylinder head; 14 - pushrod; 15 - cylinder block: 16 - pushrod; 17 - camshaft; 18 - flywheel; 19 - clutch; 20 - flywheel housing; 21 - rear sheet; 22 - crankshaft; 23 - oil pan; 24 - crankshaft bearing cap; 25 - piston; 26 - connecting rod; 27 - connecting rod cap; 28 - oil receiver pipe; 29 - drain plug; 30 - oil pump; 31 - oil pump drive gear: 32 - crankshaft pulley; 33 - camshaft drive gear; 34 - gear cover; 35 - support

Technical characteristics of the D-245.12 diesel engine

Diesel engine type - Four-stroke turbocharged diesel engine

Method of mixture formation - Direct fuel injection

Number of cylinders - 4

Cylinder arrangement - In-line, vertical

Firing order of cylinders 1 - 3 - 4 - 2

Cylinder diameter - 110 mm

Piston stroke 125 mm

Cylinder displacement - 4.75 l

Direction of crankshaft rotation - Right

Compression ratio (calculated) - 15.1

Nominal power kW (hp) 80 (108.8)

Nominal speed 2400 min -1

Maximum torque 350 Nm

Speed ​​at maximum torque, min -1 1300-1700

Minimum stable speed at idle, min -1, no more than 800±50

Specific fuel consumption by external speed characteristic g / kW-h:

  • - minimum - 218;
  • - at nominal power - 245

Hourly fuel consumption at nominal power - 19.6 kg/h

Hourly fuel consumption at minimum stable idle speed, kg/h, no more than - 1.5

Nominal fuel injection advance angle, deg. to TDC - 19 ±1

Total oil consumption (including replacement) as a percentage of fuel consumption, no more than - 1.3

Oil consumption for burnout according to GOST 18509-88 as a percentage of fuel consumption, no more than - 0.5

Oil pressure in the main oil line at nominal diesel operating mode - 0.25-0.35 MPa

Dry diesel weight - 500 kg

Overall dimensions mm - 1011.5x702.0x1080.5

Cross-section of a diesel engine: 1 - oil filler neck; 2 - cap; 3 - rocker arm; 4 - electric torch device (ETD); 5 - ETF tank; 6 - branch pipe; 7 - injector; 8 - valve; 9 - high-pressure fuel pipe; 10 - high-pressure fuel pump (HPFP); 11 - fuel priming pump; 12 - rear sheet; 13 - cylinder block; 14 - oil sump; 15 - crankshaft; 16 - camshaft; 17 connecting rod; 18 - tappet; 19 - cylinder block liner; 20 - centrifugal oil filter; 21 - piston; 22 - intake manifold; 24 - exhaust manifold; 25 - turbocharger

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Liquid pump and fan D-245 - catalog

The figure shows the installation locations of the parts and their designations according to the spare parts catalog.

We look at the figure and the table shows the decoding of the part.

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