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ESSENTIAL TECHNICAL PARAMETERS
TECHNICAL SPECIFICATIONS OF ENGINES OF TRACTORS Z 11741.4C, Z 9641, Z 10641, Z 11441, Z 12441
Type of tractor
Z 11741.4C
Z 9641
Z 10641
Z 11441
Z 12441
Type of engine
Z 1504
Z 1005
Z 1305
Z 1405
Z 1505
Engine
compression ignition, 4-stroke cycle, direct fuel injection, turbo-charged
Engine design
in-line, vertical, water-cooled
Number of cylinders
4
Stroke volume
cm
3
4156
Bore x stroke
mm
105 x 120
Nominal speed
rpm
2200
Order of injection
1-3-4-2
Compression ratio
17
Max. override speed
rpm
2460
Idle speed
rpm
750 ± 25
800 ± 25
800 ± 25
800 ± 25
800 ± 25
Net power at nominal speed,
measured according to ECE R24
kW
90 66 74 81 90
Specific fuel consumption at the
given power
g.kW
-1
.h
-1
256 254 254 257 255
Max. torque (Mt)
Nm
525
480
525
Excess
of
Mt
%
35 38 37 35 35
Lubrication of engine
Pressure system with pump Gerotor
Max. consumption of oil after
100 Mh of engine running-in
g.kW
-1
.h
-1
0.7
Pressure of oil at engine nomi-
nal speed and temperature of
oil 80 °C
MPa
0.2
÷
0.5
Minimum pressure of oil at 750
rpm and oil temperature 80 °C
MPa 0.05
Max. temperature of cooling fluid C°
106
Valve mechanism
OHV
Oil cleaner
Full-flow, disposable
