Technical Data - AL-KO R4 Instrucciones De Montaje

Model: R4, K4

Technical data

Drawbar, rectangular hollow section
Model
Recommended bolts
Tightening torque
Determining the maximum free drawbar length
Model R4
Version A1 - rectangular hollow section
60 x 60 x 3
Version A3 - rectangular hollow section
60 x 60 x 4
GA [Kg]
A1
1190mm 1470mm
750
700
650
600
550
500
1200 1400 1600
Caution!
Observe the maximum permissible free drawbar length (L1).
1311931_a
60 x 60mm
R4, K4
M 12 x 90 8.8
85 Nm
A3
L1 [mm]
1800 2000 2200
Safety
Caution!
The tightening torques must be checked after
100km and retightened to the prescribed values
if necessary!
Model K4
Version A1 - rectangular hollow section
60 x 60 x 3
Version A2 - rectangular hollow section
60 x 60 x 4
GA [Kg]
A1
1450mm
1040mm
750
700
650
600
550
500
1000 1200 1400
GB
A2
L1 [mm]
1600 1800 2000
5