Santa Fe GP7 configurationsOriginal ATSF
2650-Class GP7s with Dynamic Brakes (D), Steam Generators (S), or Both (DS)
0
1
2
3
4
5
6
7
8
9
2650
S
S
S
S
S
?
?
D
2660
D
?
2670
?
D
D
2680
D
D
D
D
D
D
D
D
D
D
2690
D
D
D
D
D
D
D
D
0
1
2
3
4
5
6
7
8
9
2700
?
2710
2720
D
D
D
2730
D
D
D
2740
0
1
2
3
4
5
6
7
8
9
2750
D
D
?
2760
D
2770
SD
2780
?
?
D
D
2790
D
D
?
0
1
2
3
4
5
6
7
8
9
2800
?
?
2810
?
2820
?
2830
?
2840
S
D
0
1
2
3
4
5
6
7
8
9
2850
D
D
D
D
D
d?
D
D
D
2860
D
D
D
D
D
D
D
2870
D
D
D
D
D
D
D
DS
2880
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
2890
DS
DS
DS
///
///
///
///
///
///
D
Key to codings for units whose configuration
is not certain:
? = presumed unit had no dynamics;
d?
= presumed unit had dynamics.
/// = number was not used
Sources: various
photos on the www, plus...
Santa Fe's Diesel Fleet,
by Joe McMillan, Chatham Publishing Co., 1975.
Santa Fe Motive Power,
by Joe McMillan, McMillan Publications, 1985.
Santa Fe Diesel, Vol.1, by Dr.
Cinthia Preist, Paired Rail Railroad Publications, 1998.
Complete table
of 2650 class, with chassis numbers, build dates and
disposititions.
