W123-300TD-Motor/en

W123-300TD-Motor/en

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Informations about the W123, 300 D Turbodiesel
Combustion principle four-stroke Diesel (with indirect injection and exhaust turbocharger)
Configuration front, longitudinal; vertical
Engine type OM 617 D 30 A / 617.952
Number of cylinders / arrangement 5 / in line
Bore x Stroke 90.9 x 92.4 mm
Total displacement 2998 cc
Compression ratio 21.5
Crankshaft bearings 6
Rated output 121 hp / 89 kW at 4350 rpm;~from 10.1982: 125 hp / 92 kW at 4350 rpm
Rated torque 230 Nm at 2400 rpm; from 10.1982: 250 Nm at 2400 rpm
Number of valves / arrangement 1 intake, 1 exhaust / overhead
Valve operation overhead camshaft
Camshaft drive double roller chain
Fuel system indirect injection, mechanically controlled; Bosch 5-plunger injection pump / exhaust-gas turbocharger
Cooling water cooling / pump; 12 l water
Lubrication pressure circulation lubrication / 8.6 l oil
Electric system 12 V
Battery 88 Ah / in the engine compartment
Generator three-phase AC / 770 W
Starter electrical / 2.3 kW
Ignition compression ignition
Fuel tank: position / capacity above the rear axle / 80 l
Fuel supply piston pump as part of the injection pump