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Detroit Diesel 149 Series Essential Diesel Engine Bolt Tightening Torques
Detroit Diesel 149 Series
Main Bearing Bolts
Step 1 = 100 Nm
Step 2 = 250 Nm
Step 3 = 393 Nm
Detroit Diesel 149 series
Connecting Rod Bolts
Step 1 = 50 Nm
Step 2 = 90 Nm
Step 3 = 183 Nm
Detroit Diesel 149 series
Cylinder Head Bolts
Step 1 = 100 Nm
Step 2 = 204 Nm
Detroit Diesel 149 Series Diesel Engine Specs
Detroit Diesel 149 Series
Displacement, Arrangement
and Compression Ratio
Displacement
8v149 = 19.6 liter, 1192 CID
12V149 = 29.4 liter, 1788 CID
16V149 = 39.2 liter, 2384 CID
Arrangement
Variants:
* V8, V12, V16 naturally aspirated
* V8, V12, V16 turbo-intercooled
Compression Ratio
Turbo engines - 16:1
natural aspiration - 17:1
Detroit Diesel 149 Series
Power and Torque
Power
Naturally aspirated engines
v12 = 800 hp, 597 kW @ 1900 rpm
v16 = 1070 hp 798 kW @ 1900 rpm
Turbo-intercooled engines
v8 = 900 hp, 671 kW @ 1900 rpm
v12 = 1350 hp, 1007 kW @ 1900 rpm
v16 = 1800 hp, 1343 kW @ 1900 rpm
Torque
Naturally aspirated
v12 = 2310 lb.ft, 3132 Nm @ 1500 rpm
v16 = 3106 lb.ft, 4212 Nm @ 1400 rpm
Turbo-intercooled
v12 = 3840 lb.ft, 5206 Nm @ 1600 rpm
v16 = 5120 lb.ft, 6942 Nm @ 1600 rpm
Detroit Diesel 149 Series
Bore, Stroke and Weight
Bore
146 mm, 5.75 in
Stroke
146 mm, 5.75 in
Weight
approx:
Naturally aspirated
v12 = 4028 kg
v16 = 4758 kg
Turbo-intercooled
v8 = 2727 kg
v12 = 4125 kg
v16 = 4928 kg
Detroit Diesel 149 Series
8v149 Dimensions
approx:
V8 Turbo-intercooled
Length 1625 mm
Width 1625 mm
Height 1727 mm
Detroit Diesel 149 Series
12v149 Dimensions
approx:
V12 Naturally aspirated
Length 2362 mm
Width 1499 mm
Height 1549 mm
V12 Turbo-intercooled
Length 2362 mm
Width 1575 mm
Height 1778 mm
Detroit Diesel 149 Series
16v149 Dimensions
approx:
V16 Naturally aspirated
Length 2794 mm
Width 1372 mm
Height 1524 mm
V16 Turbo-intercooled
Length 2692 mm
Width 1626 mm
Height 1727 mm