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Vehicle Speed vs Engine Speed

NV4500 5 speed and NV5600 6 speed
Ram with 3.54 Axle, 245/75R16E Tires

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Engine Speed
Speed (MPH) in each gear 3.54 Axle, NV4500
Ratio 5.61 3.04 1.67 1.00 0.75  
RPM
1st
2nd
3rd
4th
5th
500
2
4
8
13
17
600
3
5
9
15
21
700
3
6
11
18
24
800
4
7
12
21
27
900
4
8
14
23
31
1000
5
8
15
26
34
1100
5
9
17
28
38
1200
5
10
18
31
41
1300
6
11
20
33
44
1400
6
12
21
36
48
1500
7
13
23
38
51
1600
7
13
25
41
55
1700
8
14
26
44
58
1800
8
15
28
46
62
1900
9
16
29
49
65
2000
9
17
31
51
68
2100
10
18
32
54
72
2200
10
19
34
56
75
2300
11
19
35
59
79
2400
11
20
37
62
82
2500
11
21
38
64
85
2600
12
22
40
67
89
2700
12
23
41
69
92
2800
13
24
43
72
96
2900
13
24
45
74
99
3000
14
25
46
77
103
3100
14
26
48
79
106
3200
15
27
49
82
109
3300
15
28
51
85
113
3400
16
29
52
87
116
3500
16
30
54
90
120
3600
16
30
55
92
123
3700
17
31
57
95
126
3800
17
32
58
97
130
3900
18
33
60
100
133
4000
18
34
61
103
137
Engine Speed
Speed (MPH) in each gear 3.54 Axle, NV5600
Ratio 5.63 3.38 2.04 1.39 1.00 0.73
RPM
1st
2nd
3rd
4th
5th
6th
500
2
4
6
9
13
18
600
3
5
8
11
15
21
700
3
5
9
13
18
25
800
4
6
10
15
21
28
900
4
7
11
17
23
32
1000
5
8
13
18
26
35
1100
5
8
14
20
28
39
1200
5
9
15
22
31
42
1300
6
10
16
24
33
46
1400
6
11
18
26
36
49
1500
7
11
19
28
38
53
1600
7
12
20
30
41
56
1700
8
13
21
31
44
60
1800
8
14
23
33
46
63
1900
9
14
24
35
49
67
2000
9
15
25
37
51
70
2100
10
16
26
39
54
74
2200
10
17
28
41
56
77
2300
10
17
29
42
59
81
2400
11
18
30
44
62
84
2500
11
19
31
46
64
88
2600
12
20
33
48
67
91
2700
12
20
34
50
69
95
2800
13
21
35
52
72
98
2900
13
22
36
53
74
102
3000
14
23
38
55
77
105
3100
14
24
39
57
79
109
3200
15
24
40
59
82
112
3300
15
25
41
61
85
116
3400
15
26
43
63
87
119
3500
16
27
44
65
90
123
3600
16
27
45
66
92
126
3700
17
28
46
68
95
130
3800
17
29
48
70
97
133
3900
18
30
49
72
100
137
4000
18
30
50
74
103
140
Yellow area is OK under light load
Green area is 12 valve engine operating range
Blue area is the 24 valve extended RPM range
DO NOT operate the 5speed in OD at low engine speeds.

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