Useful information for owners and repairers of OM447 engines
Main Bearing Bolts 12pt bolts: 300 Nm + 90-100° Hex bolts: 80-90 Nm + 90-100°
Connecting Rod Bolts step 1 = 100 Nm step 2 + 90-100°
Cylinder head Bolts step 1 = 10 Nm step 2 = 60 Nm step 3 = 120 Nm step 4 = 180 Nm final step + 90-100°
Arrangement 447N - OM447 6 Cylinder In-Line 4-stroke cycle Naturally aspirated 447C 6 Cylinder In-Line 4-stroke cycle Compensated 447T - OM447A 6 Cylinder In-Line 4-stroke cycle Turbocharged 447TI - OM447LA 6 Cylinder In-Line 4-stroke cycle turbocharged intercooled
Designations German - English A = Turbocharger = T L = Intercooler = I OM = Diesel engine = ADE Displacement 11.97 liter, 730 CID Compression ratio: 447N 16.5:1 447C 16.25:1 447T 16.25:1 447TI 16.25:1 Weight approx: 447N 815 kg, 1793 lb
Designations German - English A = Turbocharger = T L = Intercooler = I OM = Diesel engine = ADE Power 447N 235 hp, 175 kW @ 2200 rpm 447C 241 hp, 180 kW @ 2200 rpm 447T 298 hp, 222 kW @ 2200 rpm 447TI 355 hp, 265 kW @ 2100 rpm
Designations German - English A = Turbocharger = T L = Intercooler = I OM = Diesel engine = ADE Torque 447N 629 lb.ft, 853 Nm @ 1400 rpm 447C 664 lb.ft, 900 Nm @ 1300 rpm 447T 937 lb.ft, 1270 Nm @ 1300 rpm 447TI 1123 lb.ft, 1523 Nm @ 1100-1500 rpm
Basic specs are open to everyone and include images, displacement, dimensions and weight, essential bolt tightening torques, the characteristics of the engine like its power and torque. Essential bolt tightening torques are the main bearing cap bolt torque, the connecting rod cap bolt torque and the cylinder head bolt torques.
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Page Revision #11.1RS 09-17