Skip to main content 

Mercedes OM904 - OM906 engine specifications and manuals

 
Diesel engine manuals, specs, bolt torques
Diesel Engine manuals and specifications at Barrington Diesel Club
membership - sign up
Click to Sign up
for full Membership
Become a Member
get access to all the manuals and specs at Barrington Diesel Club
 



OM904 and OM906 Essential Diesel Engine Bolt Tightening Torques

 

OM904, OM906 MercedesMain Bearing Bolts
 
step 1 = 30 Nm
step 2 = 80 Nm
step 3 = 155 Nm
step 4 = + 90 degrees


OM904, OM906 MercedesConnecting Rod Bolts
 
step 1 = 10 Nm
step 1 = 45 Nm
step 3 = + 90 degrees


OM904, OM906 MercedesCylinder 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



OM904 and OM906 Diesel Engine Specs

 

OM904 and OM906 MercedesArrangement and compression ratio
 
Arrangement
OM904LA
in-line 4 cylinder engine,
4-stroke cycle
turbocharged
intercooled

Arrangement
OM906LA
in-line 6 cylinder engine,
4-stroke cycle
turbocharged
intercooled

Compression ratio
18.0:1


OM904 and OM906 MercedesDisplacement, bore, 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


OM904 and OM906 MercedesPower and torque
 
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


OM904 and OM906 MercedesDimensions and Weight
 
Dimensions approx
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



Inter Club Navigation
home image Home Page 
 contact us Contact Us  
 engine outline Engine List   technical services Technical  video indicatorVideos 



Popular Diesel Engine Specs



Go to the Engine List 
 engine outline Engine List - Desktop  engine outline Engine List - AMP 


Barrington Diesel Club

email: steve@barringtondieselclub.co.za
© copyright Steve Barrington 2009 thru 2019

Page Revision #5.3RsB 09-19