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Popular Diesel Engine Specs

OM502 bolt torques, specifications and manuals


Useful information for owners and repairers of OM502 engines

OM502 Essential Diesel Engine Bolt Tightening Torques

Main Bearing Bolts 
step 1 = 80 Nm
step 2 = 160 Nm
step 3 = 320 Nm
step 4 = + 90°

Connecting Rod Bolts
step 1 = 30 Nm
step 2 = 60 Nm
step 3 = 120 Nm
step 4 = + 90°

Cylinder head Bolts
step 1 = 10 Nm
step 2 = 50 Nm 
step 3 = 100 Nm
step 4 = 200 Nm
step 5 = + 90°
step 6 = + 90°

OM502 Diesel Engine Specs

Arrangement
OM502LA
8v engine, 
4-stroke cycle
turbocharged
intercooled

Compression ratio:
From 17.25:1 to 18.5:1

Displacement
15.931 liter, 972 CID

Bore
130 mm, 5.12 in

Stroke
150 mm, 5.91 in

Power 
 OM502LA
From:
442 hp, 330 kW @ 1800 rpm
To:
590 hp, 440 kW @ 1800 rpm

Torque 
From:
2100 Nm, 1550 lb.ft @ 1100 rpm
To:
2800 Nm, 2065 lb.ft @ 1100 rpm
Dimensions approx:
length 1530 mm, 60 in
width 1195 mm, 47 in
height 1080 mm, 46 in

Weight approx:
1125 kg, 2475 lb


OM502 Diesel Engine workshop repair Manuals



Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
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