Rio Grande's SD40T-2s
This page was last updated on April 3, 2007.
Detail differences among D&RGW SD40T-2s (DRGW YahooGroups message numbers 52742-52761)
Based on comments to a discussion thread on the subject on the DRGW discussion list at Yahoo Groups, compiled by Lou DiGrazia, with modifications and additions by Jim Eager and Nathan Z.
* All units (D&RGW 5341-5413, 73 units):
- 73 units in five separate orders built in 1974 to 1980
- blue flag bracket centered on engineer's side of cab only
- footrest under front number board immediately left of headlight
- sinclair type radio antenna.
- two fuel fillers on both sides, one fore, one aft
- rerail frog hung beneath deck sills on both sides, two different styles used at different times: "bat wing" or "butterfly" type, then double ramp type
- when retrofitted with the PTC system in the mid-1980s a sloped-top equipment cabinet was added on the walkway against the hood between the electrical cabinet filter box and the traction motor blower duct
- D&RGW 5348 and 5370 wrecked on November 22, 1994; all other units to UP
- D&RGW 5350, 5351, 5352, 5368, 5378, 5380, 5387, 5388, 5393, 5394, 5397, 5399, 5412 (13 units) repainted into SP speed letter scheme.
* D&RGW 5341-5355 (15 units)
- Built in October 1974
- EMD order number 74636
- diagonal lifting slots at top corners of pilots; top corners of front pilot later notched and new lifting slots cut lower down on *some* units
- front MU connection box on deck above pilot
- Mars warning light mounted in nose (many units got Pyle Gyralite replacements in later years)
- 81in nose w/ ratchet handbrake
- early cab subbase doors
- bolted cab side window plate
- delivered w/out vents on side of cab, but added later, usually *rearward* on engineer's side, but *rearward* on fireman's side on a few units
- Nathan M3 airhorn (some units changed to Nathan P3 beginning in the mid-1980s)
- early stand-off style electrical cabinet air filter box (as on the SD45T-2 model)
- bolted (at top) radiator access doors (hinges at bottom)
- delivered w/out numbers on rear flank above radiator intake screens, orange (and even *white* on a few units) stencil numbers added after delivery
- square pilot, short slots on the battery box doors (Nathan Z.)
* D&RGW 5356-5373 (18 units)
- Built in July and August 1975
- EMD order number 756046
- diagonal lifting slots at top corners of pilots; top corners of front pilot later notched and new lifting slots cut lower down on *some* units
- front MU connection box on deck above pilot
- Mars warning light mounted in nose (ditto on replacements)
- 81in nose w/ ratchet handbrake (D&RGW 5357 refitted prior to May 1980 with 88in nose and a Gyralite mounted on a box welded to the nose due to wreck repair.)
- early cab subbase doors
- bolted cab side window plate
- delivered w/out vents on side of cab, but added later, usually *rearward* on engineer's side, but *rearward* on fireman's side on a few units
- Nathan M3 airhorn (ditto on replacements)
- older stand-off style electrical cabinet air filter box
- bolted (at top) radiator access doors (hinges at bottom)
- delivered with *orange* numbers on rear flank above radiator intake screens
* D&RGW 5374-5385 (12 units)
- Built in January 1977
- EMD order number 766050
- top corners of front pilot notched as delivered
- front MU connection on face of pilot
- Mars warning light mounted in nose (ditto on replacements), *not* painted black as delivered
- 88in nose w/ wheel handbrake
- later cab subbase doors
- bolted cab side window plate
- delivered with *forward* vent on fireman's side of cab, none on engineer's side
- Nathan M3 airhorn (ditto on replacements)
- later style electrical cabinet air filter box against cab wall and hood (as on the original Athearn SD40T-2)
- latched radiator access doors (hinges at top)
* D&RGW 5386-5397 (12 units)
- Built in August 1978
- EMD order number 776098
- top corners of front pilot notched as delivered
- front MU connection on face of pilot
- Pyle Gryralite mounted *on box* welded to nose
- 88in nose w/ wheel handbrake
- later cab subbase doors
- bolted cab side window plate on most units, welded on a few units
- delivered with *rearward* vent on fireman's side of cab, none on engineer's side
- Nathan M3 airhorn (ditto on replacements)
- later style electrical cabinet air filter box
- latched radiator access doors (hinges at top)
* D&RGW 5398-5413 (16 units)
- Built in March 1980
- EMD order number 786264
- top corners of front pilot notched as delivered
- front MU connection on face of pilot
- Pyle Gryralite mounted *in* nose
- 88in nose w/ wheel handbrake
- later cab subbase doors
- welded cab window plate
- delivered with *rearward* vent on fireman's side of cab, none on engineer's side
- Leslie RSL-3L airhorns
- later style electrical cabinet air filter box
- exhaust silencer hatch w/ associated bulged section of dynamic brake blisters
- latched radiator access doors (hinges at top)
- dial fuel gauge now mounted on top of tank instead of inset in side of tank
