EMD's GP28 - Original Owners

by Robert Sarberenyi

16 US, 10 Mexico, 5 Peru

Qty.RoadNumbersDateBuilder's #sPhaseNotes
7ChP801-80712/64-1/6529878-29884Ib3?Chihuahua Pacific
3ChP808-8101/6529885-29887Ic1Chihuahua Pacific; s/g, high-nose
9IC9429-94373-9/6428937-28945Ib1no d/b
1IC943811/6428946Ib2no d/b
2IC9439-944011/6428947-28948Ib3no d/b
1MC2119/6429593Ib1no d/b; to IC 9941
5SPC26-3010-11/6530459-30463Southern Peru Copper (South America)
2KO&G700,70111/6429632,29633Ib2 no d/b; to T&P 570,571; to MP 2000,2001
1TM8569/65320711no d/b; Texas-Mexican
GP28/GP35 Phases:

Phase Ia1- fishbelly frame, groups of three louvers on both battery box doors, seven latched engine doors, short inertial intake, flat dustbin hatch, Type I radiators (the Cannon GP35 rad). [10/63-3/64]
Phase Ia2- three latched engine doors. [2/64-4/64]

Phase Ib1- long inertial intake. [3/64-9/64]
Phase Ib2- seven latched engine doors. [9/64-11/64]
Phase Ib3- two louvers on the fireman's battery box door. [11/64-1/65]

Phase Ic1- Type II radiators (the Atlas/Con-Cor/Pemco/IHC SD35 rads). The bit of sheet metal at the front of the engineer's battery box was eliminated with this phase. [12/64-2/65]
Phase Ic2- two louvers on both battery box doors. [2/65-5/65]

Phase Id- raised dustbin hatch. [6/65]

Phase IIa- straight frame, two louvers on both battery box doors, seven latched engine doors, long inertial intake, flat dustbin hatch, Type II radiators. [4/65-5/65]

Phase IIb- raised dustbin hatch. [5/65-12/65]

Phase IIc- corrugated inertial intake. [8-12/65]

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