FRAME LENGTH AND TRUCK CENTERS
FOR SOUTHERN PACIFIC
DIESEL LOCOMOTIVES
|
YEARS: 1966-1967
|
FRAME LENGTH
|
TRUCK CENTERS
|
NOTES
|
|
SD40
|
65' 8"
|
40'
|
|
|
SD45
|
65' 8"
|
40'
|
|
|
SDP40
|
65' 8"
|
40'
|
|
|
SDP45
|
70' 8"
|
45' 2"
|
(1)
|
|
YEARS: 1968-1971
|
FRAME LENGTH
|
TRUCK CENTERS
|
NOTES
|
|
SD38
|
65' 9.5"
|
40'
|
|
|
SD39
|
65' 9.5"
|
40'
|
|
|
SD40
|
65' 9.5"
|
40'
|
(2)
|
|
SD40A
|
70' 8"
|
45' 2"
|
(3)
|
|
SD45
|
65' 9.5"
|
40'
|
(2)
|
|
SD45X
|
70' 8"
|
45' 2"
|
(1)
|
|
YEARS: 1972-1980+
|
FRAME LENGTH
|
TRUCK CENTERS
|
NOTES
|
|
SD38-2
|
68' 10"
|
43' 6"
|
|
|
SD40-2
|
68' 10"
|
43' 6"
|
|
|
SD45-2
|
68' 10"
|
43' 6"
|
|
|
SD40T-2
|
70' 8"
|
45' 2"
|
(1)
|
|
SD45T-2
|
70' 8"
|
45' 2"
|
(1)
|
|
SD50
|
71' 2"
|
45' 10"
|
|
|
SD60
|
71' 2"
|
45' 10"
|
|
|
SD70M
|
72' 4"
|
48' 8"
|
(4)
|
NOTES:
(1) SDP45, SD45X, SD40T-2 and SD45T-2 share the same length and
truck
centers
(2) Length changed in 1968 on SD40s and SD45s (+1.5 inches),
although
truck centers are the same.
(3) SD40A rides on SDP45 frame. Only 18 units built - all
for
Illinois Central.
(4) On SD70Ms, truck center distance is measured between carbody
drive
pins since radial trucks don't have a center pin
Length = Distance between coupler pulling faces.
Information provided by Robert Sarberenyi.
This page is part of David
Coscia's
SP site
August 27, 2001