EOCL
service
class |
Wheel diam.
(D)
inches |
RAIL SECTION |
| A.S.C.E. 20# |
A.S.C.E. 25# |
A.S.C.E. 30# |
A.S.C.E. 40# |
A.S.C.E 40# |
A.S.C.E.
80 & 85#
104#
105# |
135# |
171# |
175# |
class A STANDBY SERVICE
class B
-
LIGHT SERVICE class C
-
MODERATE SERVICE
-
P = 1600 WD |
6 |
8100 |
9600 |
10200 |
12000 |
- |
- |
- |
- |
- |
| 7 |
9450 |
11200 |
11910 |
14000 |
- |
- |
- |
- |
- |
| 8 |
10800 |
12800 |
13610 |
16000 |
- |
- |
- |
- |
- |
| 9 |
12150 |
14400 |
15310 |
18000 |
25200 |
- |
- |
- |
- |
| 10 |
13500 |
16000 |
17010 |
20000 |
28000 |
- |
- |
- |
- |
|
12 |
- |
19200 |
20410 |
24000 |
33600 |
36000 |
- |
- |
- |
|
15 |
- |
- |
25510 |
30000 |
42000 |
45000 |
- |
- |
- |
|
18 |
- |
- |
30610 |
36000 |
50400 |
54000 |
- |
- |
- |
|
21 |
- |
- |
- |
42000 |
58800 |
63000 |
75600 |
105000 |
117600 |
|
24 |
- |
- |
- |
- |
67200 |
72000 |
86400 |
120000 |
134400 |
|
27 |
- |
- |
- |
- |
- |
81000 |
97200 |
135000 |
151200 |
|
30 |
- |
- |
- |
- |
- |
90000 |
108000 |
150000 |
168000 |
class D
HEAVY DUTY SERVICE
-
P = 1400 WD |
6 |
7090 |
8400 |
8930 |
10500 |
- |
- |
- |
- |
- |
|
7 |
8270 |
9800 |
10420 |
12250 |
- |
- |
- |
- |
- |
|
8 |
9450 |
11200 |
11900 |
14000 |
- |
- |
- |
- |
- |
|
9 |
10630 |
12600 |
13390 |
15750 |
22050 |
- |
- |
- |
- |
|
10 |
11820 |
14000 |
14880 |
17500 |
24500 |
- |
- |
- |
- |
|
12 |
- |
16800 |
17860 |
21000 |
29400 |
31500 |
- |
- |
- |
|
15 |
- |
- |
22320 |
26250 |
36750 |
39380 |
- |
- |
- |
|
18 |
- |
- |
26790 |
31500 |
44100 |
47250 |
- |
- |
- |
|
21 |
- |
- |
- |
36750 |
51450 |
55130 |
66150 |
91880 |
102900 |
|
24 |
- |
- |
- |
- |
58800 |
63000 |
75600 |
105000 |
117600 |
|
27 |
- |
- |
- |
- |
- |
70880 |
85050 |
118130 |
132300 |
|
30 |
- |
- |
- |
- |
- |
78750 |
94500 |
131250 |
147000 |
class E
SEVERE DUTY SERVICE
-
p = 1200 WD |
6 |
6080 |
7200 |
7650 |
9000 |
- |
NOTE: The load limits for Class E
are also recommended wherever
travel speeds exceed 400 f.p.m. |
|
7 |
7090 |
8400 |
8930 |
10500 |
- |
|
8 |
8100 |
9600 |
10200 |
12000 |
- |
|
9 |
9120 |
10800 |
11480 |
13500 |
18900 |
|
10 |
10130 |
12000 |
12760 |
15000 |
21000 |
- |
- |
- |
- |
|
12 |
- |
14400 |
15310 |
18000 |
25200 |
27000 |
- |
- |
- |
|
15 |
- |
- |
19130 |
22500 |
31500 |
33750 |
- |
- |
- |
|
18 |
- |
- |
22960 |
27000 |
37800 |
40500 |
- |
- |
- |
|
21 |
- |
- |
- |
31500 |
44100 |
47250 |
56700 |
78750 |
88200 |
|
24 |
- |
- |
- |
- |
50400 |
54000 |
64800 |
90000 |
100800 |
|
27 |
- |
- |
- |
- |
- |
60750 |
72900 |
101250 |
113400 |
|
30 |
- |
- |
- |
- |
- |
67500 |
81000 |
112500 |
126000 |
|
Effective width of rail head (W) inches (Top of head minus corner radii) |
0.844 |
1 |
1.063 |
1.25 |
1.75 |
1.875 |
2.25 |
3.125 |
3.5 |
