Controls High-Low Range Selection Lever This lever is used to select the high or low speed range which has the effect of doubling the number of available gear ratios for a tractor. High Gear : Push the lever Rearward. Low Gear : Push the lever forward. Neutral : Keep the lever in central position. A safety neutral switch is provided on the transmission high-low range selection lever for the safety of operator. The starter will not activate unless safety neutral switch is operated. Only when the hi-low range selection lever is in neutral position, the safety neutral switch will be activated causing the electrical circuit to complete and starter motor to crank. Gear Shifter Lever This lever is used to select any one of the four forward & one reverse gear ratio. The positioning of gears is as depicted. Refer Chart for road speed of tractor in different gears. Chart for road speed of 4525 tractor for 13.6 x 28 tyre as per rolling radius 0.625m Gear Selection
Km / Hour.
Miles / Hour
L1
2.31
1.43
L2
3.95
2.45
L3
5.61
3.48
L4
8.39
5.21
H1
6.73
4.18
H2
11.48
7.13
H3
16.37
10.17
H4
24.45
15.19
LR
3.50
2.17
HR
10.20
6.33
Chart for road speed of 3825/4025 tractor for 12.4 x 28 tyre as per tolling radius 0.590m
32
Gear Selection
Km / Hour.
Miles / Hour
L1
2.18
1.35
L2
3.72
2.31
L3
5.30
3.29
L4
7.92
4.92
H1
6.35
3.94
H2
10.84
6.73
H3
15.45
9.60
H4
23.08
14.34
LR
3.30
2.05
HR
9.63
5.98
To prevent inadvertent tractor movement, avoid accidental contact with the gearshift levers. Always stop the engine, firmly apply the parking brake and place all transmission levers in neutral before leaving the tractor.
25 Series 2WD, Model - 3825 / 4025 / 4525