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MAIN TECHNICAL PARAMETERS
TECHNICAL DATA OF ENGINES OF TRACTORS PROXIMA (TIER II)
Tractor model Proxima 70 Proxima 80 Proxima 90 Proxima 100
Engine model 7204 1104 1204 1004
Engine kind diesel, four stroke with direct fuel injection, turbocharged
Engine execution in line, vertical, water-cooled
Number of cylinders 4 4 4 4
Displacement cm
3
4156 4156 4156 4156
Bore x stroke mm 105x120 105x120 105x120 105x120
Rated speed min
-1
2200 2200 2200 2200
Ignition sequence 1-3-4-2 1-3-4-2 1-3-4-2 1-3-4-2
Compression ratio 17 17 17 17
Max. overspeed min
-1
2460 2460 2460 2460
Idle speed min
-1
750±25 750±25 750±25 750±25
Net engine power at nominal
speed according to EC24
kW 45 53 60 66
Specific fuel consumption at
above mentioned power
g.kW
-1
.h
-1
257,5 255,5 253,9 254
Engine lubrication Pressure type with gear-wheel pump
Max. engine oil consumption
after 100 hour running in
g.kW
-1
.h
-1
0,7
Engine oil pressure at rated
speed and oil temperature
80°C
MPa 0,2 - 0,5
Min. oil pressure at 750 RPM
and oil temperature 80°C
MPa 0,05
Max. coolant temperature °C 106
Timing OHV
Oil cleaner Full flow for one usage
Fuel cleaner One stage with cartridge