Case 770 EX - Engine Specifications

Engine-Engineandcrankcase
Engine-Generalspecication
Generalspecications(For770EX/EXMagnum)
Generalspecications
770EX
770EXMagnum
Make
IVECO
Type
4stroke,diesel,turbochargedaftercooler,directinjection,watercooled
Power
76Hp86Hp
Noofcylinders
4
Bore
104mm(4in)
Stroke
115mm(5in)
Cubiccapacity3908cm³(238in³)
Compressionratio
18:01
Firingorder
1-3-4-2
Idlespeed
1000RPM
Maximumnoloadspeed
2450RPM
Ratedspeed
2200RPM
Engineblock(For770EX/EXMagnum)
Engineblock
Drytypeprettedlinerwithcollar
Cylinderlinerseatdiameterinengine
block
106.850–106.900mm(4.207–4.209in)
CylindersleeveO-D107.020–107.050mm(4.213–4.215in)
Interferencebetweenlinersandseats
inblock
0.12–0.20mm(0.005–0.008in)
LinerO-Doversize
0.200mm(0.008in)
Cylinderlinerinnerdiameter104.00–104.024mm(4.09–4.095in)
Maximumovalityandtaperdueto
wear
0.120mm(0.005in)
Linerinnerdiameteroversize
0.400–0.800mm(0.016–0.031in)
Camshaftbushseatdiameters(For770EX/EXMagnum)
•
Front
54.780–54.805mm(2.157–2.158in)
•
IntermediateC33
54.280–54.305mm(2.137–2.138in)
•
Rear
53.780–53.805mm(2.117–2.118in)
Tappetseatborediameter15.000–15.018mm(0.591–0.591in)
Tappetoversize
0.100mm(0.004in)
0.200mm(0.008in)
0.300mm(0.012in)
Mainbearingseatborediameter
84.200–84.230mm(3.315–3.316in)
Cylinderhead(For770EX/EXMagnum)
Valveguideseatborediameterinhead
13.950–13.983mm(0.549–
0.551in)
Valveguideoversize
0.200mm(0.008in)
Valvestand-in
0.700–1.000mm(0.028–
0.039in)
•
Maximumstand-inpermitted1.300mm(0.051in)
Injectorstandout
0.050–0.700mm(0.002–
0.028in)
•
Maxstand-outpermitted1.000mm(0.039in)
Originalcylinderheadheight92mm(4in)
Maximumheaddressingallowed
0.500mm(0.020in)
4819054426/09/2017
10.1[10.001]/3