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MAINTENANCE INSTRUCTIONS
RECOMMENDED INFLATION VALUES OF THE REAR WHEEL TYRES
The value of the permitted load-bearing capacity of the rear axle must not exceed the sum of the load-bearing capacity values of
both the tyres that are installed on the axle. The values of the permitted load-bearing capacity of the axles are specified in the
“Main technical parameters” of the corresponding tractor type. On the same axle of the tractor there must not be tyres of different
dimensions and designs (in this case tyre design means the diagonal or radial tyre version).
Tyre dimensions and design
Principal working activity
16.9-34
8 PR
16.9R34 18.4-34
8 PR
18.4R34
For field work Inflation (kPa) 110-150 140-160 110-140 130-160
Load-bearing capacity (kg) 1830-2200 2130-2430 2250-2565 2450-2800
For road transport Inflation (kPa) 170-200 130-160 170-200 130-160
Load-bearing capacity (kg) max. 2380 2130-2430 max. 2565 2450-2800
Tyre dimensions and design
Principal working activity
16.9-38
8 PR
16.9R38 480/70R38 18.4R38 520/70R38 18.4-38
For field work Inflation (kPa) 110-140 130-160 120-160 130-160 110-160 130-140
Load-bearing
capacity (kg)
1940-2230 2255-2575 2500-2900 2625-3000 2635-3350 2595-2715
For road transport Inflation (kPa) 170-200 130-160 140-160 130-160 110-160 130-140
Load-bearing
capacity (kg)
max. 2520 2255-2575 2700-2900 2625-3000 2635-3350 2595-2715
Note: The 480/70R38 tyre is a dimensional equivalent of the 16.9R38 tyre.
The 570/70R38 tyre is a dimensional equivalent of the 18.4R38 tyre.
Inflate the front as well as the rear tyres to the lower of the above mentioned values for field work on light soil (dry, sandy).
The higher of the above mentioned pressure values is designed for work on heavy and compact soil. During ploughing
work at the minimum inflation value there must not be any folding of the side parts of the tyres. The load-bearing capacities
specified in the tables correspond to the maximum travelling speed of the tractor, i.e. in the case of radial tyres 40 km/h
and in the case of diagonal tyres 30 km/h. The specified values refer to one tyre. For a tractor the max. load per axle must
not exceed the max. load-bearing capacity values of the tyres.
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