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Tractor fitted with a four-speed gearbox giving a 40 km/h speed, with reduction, three-stage torque multiplier, reversal, and the front driving
FORWARD SPEEDS
Speed gear
Total
transmission
ratio
19,200
H
22,199
4 Hi
M
25,698
L
27,486
H
31,779
3 Hi
M
L
36,789
H
41,635
2 Hi
M
48,139
L
55,727
H
64,274
1 Hi
M
74,315
L
86,029
H
79,382
4 Lo
M
91,782
106,249
L
113,638
H
131,390
3 Lo
M
152,101
L
172,139
H
2 Lo
M
199,029
230,401
L
265,739
H
307,251
1 Lo
M
355,682
L
MAIN TECHNICAL PARAMETERS
SPEEDS OF THE Z 11741 FORTERRA TRACTORS (40 km/h)
axle (24 forward speed gear and 18 reverse speed gears)
Tractor travel speed at rated
revolutions
16,9-38
18,4-38
(795 mm)
(820 mm)
36,70
37,80
31,70
32,70
27,40
28,30
25,60
26,40
22,20
22,90
19,10
19,70
16,90
17,40
14,60
15,10
12,60
13,00
11,00
11,30
9,48
9,77
8,18
8,44
8,87
9,15
7,67
7,91
6,63
6,84
6,20
6,39
5,36
5,53
4,63
4,78
4,09
4,22
3,54
3,65
3,06
3,15
2,65
2,73
2,29
2,36
1,98
2,04
REVERSE SPEEDS
Speed gear
Total
transmission
ratio
23,771
H
27,485
3 Hi
M
31,817
L
36,009
H
41,634
2 Hi
M
L
48,196
H
55,589
1 Hi
M
64,373
L
74,403
H
98,282
3 Lo
M
113,635
L
131,547
H
148,877
2 Lo
M
172,133
199,266
L
229,828
H
265,731
1 Lo
M
307,616
L
The forth speed gear is impossible to engage!
Wheels
16,9-38
18,4-38
14,9-24
240
Tractor travel speed at rated
revolutions
16,9-38
18,4-38
(795 mm)
(820 mm)
29,60
30,60
25,60
26,40
22,10
22,80
19,60
20,20
16,90
17,40
14,60
15,10
12,70
13,10
11,00
11,30
9,46
9,76
7,16
7,39
6,20
6,39
5,35
5,52
4,73
4,88
4,09
4,22
3,53
3,64
3,06
3,16
2,65
2,73
2,29
2,36
Equivalent
16,9 R 38; 480/70 R 38
18,4 R 38; 520/70 R 38
14,9 R 24; 420/70 R 24
12,4 R 28; 360/70 R 28
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