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CONSTRUCTlON AND FUNCTION
Specifications
Model designAtion
S4E
Type
Water-coojed) 4·stroke cycle, in-line
,
rurbulence-thamber
type diesel
Number of
cyli"lders
4
Bore
X
stroke. mm
(in.)
94
x
94
(3.701 x 3.701
)
Piston displacement.
cc (cu
in.)
2609 (159)
Compression
ratio
19
:
1
Firing
order
I
·
3·4
·2
Direction
of
rotation
Clockwise
as
viewed from liming
gear
case si
de
Fuel
ASTM No. 2-D diesel
fuel
Crankcase
lub
ricating
oil
API
service
classification
CC
-
class
Overall
length
,
mm
813
(32)
(in.)
Dimensions
Overall widrh. mm
512 (20.1/8)
.
.
(in.)
Overall h"ght. mm
741
(29- 1/8)
(in.)
WeIght (dry). kg
(lb)
290
(639)
~
DD model
DPS model
Ii>
..,
Maximum output. PS/rpm
35/2400
37/2400
.,.
~
Maximum torque. kg-m
(fl-Ib)/rpm
14.5
(104.9)/1200
15.5 (112 .1)/1200
e
~
Compression prcssur •• kg/em' (psi)
(rpm)
20 (284.4)
(150
-
200).
mmimum
C)
Mmimum
speed, rpm
650
-
700
Maximum
speed.
rpm
2640
Cylinder sleeve
Dry lype,
special cast
iron
Number
of
piston rings
Compression rings
2
Oil
I (wirh spring expander)
Valve
arrangement
Overhead type
Intake valves
Open
30'
before
TOC
V.lve timing
Close
50'
afte, BDC
Exh3USt
valves
Open
74'
before BOC
Close
30' afler!DC
Valve clearance
Intake.
mm
(In
.)
0
.25
(0.0098) (cold)
Exhaust
.
DUn
(in.)
0.25 (0.0098)
(cold)
,
Starting
system
Staning motor
Model
NO
-
EP/KS22A
Fuel
feed pump
Manufacturer
Nippon Denso
E
Cam
lift.
DUn
(in_)
6 (0.236)
E
Model
PES4A65B
~
>-
Manufacturer
Nippon Denso
~
0;
PJunger
diameter)
~
Fue)
injeclion pump
6.5 (0.256)
IL
mm
(in_)
I
Plunger lead
Right hand
Cam lift, mm
(in.)
8 (0.315)
12
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