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MAIN TECHNICAL PARAMETERS
TECHNICAL DATA OF ENGINES AT TRACTORS Z
8621, Z 8641, Z 9621, Z 9641, Z 10641
Tractor type
Z 8621, 8641 Z 9621, Z 9641 Z 10641
Engine type 1203 1003 1303
Engine execution diesel, four stroke with direct fuel injection, turbocharged
Engine execution in line, water-cooled
Number of cylinders 4 4 4
Displacement cm
3
4156 4156 4156
Bore x stroke mm 105x120 105x120 105x120
Rated speed RPM 2200 2200 2200
Ignition sequence 1-3-4-2 1-3-4-2 1-3-4-2
Compression ratio 17 17 17
Max. overspeed RPM 2460 2460 2460
Low idle speed RPM 700-50 700-50 700-50
Engine power at nominal
speed according to ISO 2288 kW 60 67,5 76
Specific fuel consumption at
rated speed g.kW
-1
.h
-1
17,99 20,07 21,86
Engine lubrication Press type with pump -Gerotor
Max. engine oil consumption
after 100 hour running in g.kW
-1
.h
-1
0,7 0,7 0,7
Engine oil pressure at rated
speed and oil temperature
80’ C MPa 0,2 - 0,5 0,2 - 0,5 0,2 - 0,5
Min. oil pressure at 700 RPM
and oil temperature 80’ C MPa 0,05 0,05 0,05
Coolant temperature ’ C 80 - 95 80 - 95 80
Timing OHV
OHV OHV
Oil cleaner Full flow
Fuel cleaner One stage with cartridge
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