35
ESSENTIAL TECHNICAL PARAMETERS
Technical specifications of engines of tractors Z 6421 - Z 8441
Type of engine 7205 1105 1205
Valve gear OHV
Oil cleaner full-flow, disposable
Fuel cleaner single-stage with replaceable cartridge
Type of injection pump PP 4M 10P1i 3782 PP 4M 10P1i 3781 PP 4M 10P1i 3780
Type of nozzles DOP150S428-4104 DOP150S428-4104 DOP150S428-4104
Injectors opening pressure MPa 25-0.8
Angle of injections advance ° 12
Valve play of cold engine:
− inlet valve
− exhaust valve
mm
mm
0.25±0.05
0.25±0.05
0.25±0.05
0.25±0.05
0.25±0.05
0.25±0.05
MAX. PERMITTED LOADING OF THE FRONT AXLE CARARRO 20.16 Z 6441, Z 7441, Z 8441 (KG)
Wheel track (mm)
Travel speed
km.h
-1
1,525 1,610 – 1,620 1,680 – 1,690 1,760 – 1,770 1,825 – 1,835
8
4,000 4,000 4,000 3,800 3,600
20
3,000 3,000 3,000 2,800 2,600
30
3,000 3,000 3,000 2,800 2,600
40
2,500 2,500 2,500 2,500 2,500
Note:
Loading is applicable with regard to the axle itself; the permissible loading with regard to tyres is given in the tab. “Load-
carrying capacity of front tyres”.
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