ROAD SPEEDS
The following chart shows the road speeds for tractors fitted with 14.9×28 rear tires.
Gear
Miles per hour (kmph)
Engines Speed (rev/min)
1000
1600
1800
2000
1
0.38 (1.38)
1.37 (2.21)
1.54 (2.48)
1.71 (2.76)
2
1.11 (1.79)
1.71 (2.76)
1.92 (3.10)
2.14 (3.45)
3
1.87 (3.02)
3.00 (4.83)
3.38 (5.44)
3.75 (6.04)
4
2.56 (4.12)
4.10 (6.60)
4.61 (7.42)
5.13 (8.25)
5
3.06 (4.93)
4.91 (7.90)
5.52 (8.88)
6.13 (9.87)
6
3.83 (6.17)
6.13 (9.87)
6.90 (11.10)
7.67 (12.34)
7
6.74 (10.84)
10.78 (17.34)
12.13 (19.51)
13.48 (21.68)
8
9.16 (14.74)
14.66 (23.58)
16.50 (26.53)
18.33 (29.48)
Low Reverse
1.49 (2.40)
1.97 (3.17)
2.21 (3.56)
2.46 (3.96)
High Reverse
5.33 (8.58)
7.08 (1139)
7.97 (12.82)
8.85 (14.24)
Gear
Miles per hour (kmph)
Engines Speed (rev/min)
1000
1600
1800
2000
1
0.88 (1.42)
1.41 (2.28)
1.58 (2.55)
1.76 (2.84)
2
1.14 (1.84)
1.76 (2.84)
1.98 (3.19)
2.20 (3.55)
3
1.93 (3.11)
3.09 (4.97)
3.48 (5.60)
3.86 (6.22)
4
2.63 (4.24)
4.22 (6.80)
4.75 (7.64)
5.28 (8.50)
5
3.15 (5.07)
1.75 (7.64)
5.69 (9.15)
6.31 (10.16)
6
3.94 (6.35)
6.32 (10.17)
7.109 (11.43)
7.90 (12.71)
7
6.94 (11.16)
11.10 (17.86)
12.47 (20.09)
13.82 (22.23)
8
9.44 (15.18)
15.10 (24.28)
16.99 (27.32)
18.88 (30.36)
Low Reverse
1.53 (2.47)
2.02 (3.26)
2.28 (3.67)
2.53 (4.08)
High Reverse
5.49 (8.83)
7.29 (11.73)
8.21 (13.20)
9.12 (14.67)
SPECIFICATIONS
The following chart shows the road speeds for tractors fitted with 13.6-28 rear tires.
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