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904-906 Essential Diesel Engine Bolt Tightening Torques
904-906 Mercedes
Main Bearing Bolts
Step 1 = 30 Nm
Step 2 = 80 Nm
Step 3 = 155 Nm
Step 4 = + 90 degrees
904-906 Mercedes
Connecting Rod Bolts
Step 1 = 10 Nm
Step 1 = 45 Nm
Step 3 = + 90 degrees
904-906 Mercedes
Cylinder Head Bolts
Step 1 = 20 Nm
Step 2 = 70 Nm
Step 3 = 170 Nm
Step 4 = 280 Nm
Step 5 = + 90 degrees
Step 6 = + 90 degrees
Mercedes 904-906 Engine Specifications
904-906 Mercedes
Arrangement
Arrangement
OM904LA
In-line 4 Cylinder Engine
4-stroke Cycle
Turbocharged
Intercooled
Arrangement
OM906LA
In-line 6 Cylinder Engine
4-stroke Cycle
Turbocharged
Intercooled
904-906 Mercedes
Displacement,
Bore and Stroke
Displacement
OM904
4.25 liter, 259 CID
OM906
6.4 liter, 390 CID
Bore
102 mm, 4.02 in
Stroke
130 mm, 5.12 in
904-906 Mercedes
Power, Torque,
Compression Ratio
Power
OM904LA
75-130 kW, @2200 rpm
OM906LA
170-205 kW, @2200 rpm
Torque
OM904LA
400-670 Nm, @1200-1600 rpm
OM906LA
810-1100 Nm, @1200-1600 rpm
904-906 Mercedes
Dimensions and Weight
Dimensions OM904-906
OM904LA
Length = 830 mm
Width = 645 mm
Height = 925 mm
OM906LA
Length = 1078 mm
Width = 645 mm
Height = 940 mm
Weight
approx
OM904LA
365 kg, 803 lb
OM906LA
530 kg, 1166 lb