User Manual

EM -6 ENGINE MECHANIC AL SYSTEM
SPECIFICATION ECC41378
Items
Standard
([ ] indicates standard
diameter)
Limit
Corrective
action
General Type
Cylinder inner diameter
Cylinder stroke
Displacement
Compression ratio
Firing order
Maximum output
Maximum torque
Compression pressure (at 200rpm)
Serial 4-cylinder 4stroke
common rail system
104mm
115mm
3,907cc
17.5 : 1
1-3-4-2
140ps/2800rpm
(HD65, 72,78 Narrow)
140ps/2800rpm
(HD65, 72,78 Wide)
140ps/2800rpm (County)
38kgf.m/1600rpm
(HD65, 72,78 Narrow)
38kgf.m/1600rpm
(HD65, 72,78 Wide)
38kgf.m/1600rpm (County)
26kg/cm²
20kg/cm²
Adjustment
(As the
difference
between
cylinders is
within 4kg/cm² )
Valve timing
Intake valve open (BTDC)
Intake valve close (ABDC)
Exhaust valve open(BBDC)
Exhaust valve close (ATDC)
19
53
60
16
Valve
Intake valve length
Exhaust valve length
Outer diameter of intake valve stem
Outer diameter of exhaust valve stem
Valve face angle
Thickness (margin) of intake/exhaust valve head
Valve clearance (when engine is cold)
137mm
137mm
8.960~8.975mm
8.925~8.940mm
45
1.5mm
0.4mm
8.85mm
8.85mm
1.2mm
Gap between valve stem and valve guide
Intake
Exhaust
[9] 0.04~0.06mm
[9] 0.07~0.10mm
0.15mm
0.2mm
Replace
Valve guide length
Intake
Exhaust
64mm
71.5mm
Valve sinkage
Intake
Exhaust
0.75~1.25mm
0.75~1.25mm
1.5mm
1.5mm
Valve seat
Replace insert
Push rod run out
―
0.4mm
Replace
Valve seat width
Intake
Exhaust
2.6~3.0mm
1.8~2.2mm
3.6mm
2.8mm
Replace