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MAIN TECHNICAL PARAMETERS
TECHNICAL SPECIFICATIONS OF ENGINES OF TRACTORS PROXIMA (TIER III)
Type of tractor Proxima 70 Proxima 80 Proxima 90 Proxima 100
Type of engine 7205 1105 1205 1005
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 105x120
Nominal speed min
-1
2,200
Order of injection 1-3-4-2
Compression ratio 17
Max. override speed min
-1
2,460
Idle speed min
-1
800±25
Net power at nominal speed,
measured acc. to EC24
kW 45 53 60 66
Specific fuel consumption at
the given power
g.kW
-1
.h
-1
270 260 258 255
Max. torque (Mt) Nm 265 310 351 391
Excess of Mt % 35 35 35 35
Lubrication of engine Pressure system with gear pump
Max. consumption of oil after
100 Mh of engine running-in
g.kW
-1
.h
-1
0.7
Pressure of oil at engine
nominal speed and
temperature of oil 80 °C
MPa 0.2 - 0.5
Minimum pressure of oil at
800 rpm and oil temp. 80 °C
MPa 0.05
Max. temp. of cooling fluid °C 106
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