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Last updated
2009-05-31
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Trainiax
> Drawings > Locomotive
Phases > 6-axle GE Locomotives
Trainiax
> Info > Locomotive
Phases > 6-axle GE Locomotives
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Locomotive Phases - 6-axle GE Locomotives
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U30C
Phase 1a:
(Late U28C carbody) Radiators/intakes wider than hood, raised walkway
over radiators, footboards, short handrail notch in stepwell, double circular
door latches, tall exhaust stack, eight left-side equipment doors, square
brake chain pipe, rectangular headlight casing, cab side drip rail, speed
recorder cables on every axle
Phase 1b:
Shorter radiator intakes, two smaller intakes added
Phase 1c:
Shorter exhaust stack
Phase 2a:
Rear of hood widened to match radiators, flush/flat radiator intakes,
lowered walkway over radiators, horizontal drip rail on radiators, taper
ahead of radiators, circular brake chain pipe
Phase 2b:
No taper ahead of radiators, six left-side equipment doors, uneven
handrail stanchion spacing
Phase 2c:
Raised/corrugated radiator intakes
Phase 2d:
No horizontal drip rail on radiators
Phase 2e:
Full-length handrail notch in stepwell
Phase 3a1/3a2:
No footboards, speed recorders on 1 or 2 axles only
Phase 3b1/3b2:
Oval headlight casing, no cab side drip rail
Phase 3c:
Shorter, wider right-side battery boxes
Phase 3d1:
Square door latches standard, right-side battery boxes moved rearward,
right-side handrail stanchion spacing changed
Phase 3d2:
Separate headlight casing, hinged numberboards
Other details:
--Phase 3a1,
3b1 and 3c have double circular door latches; Phase 3a2 and 3b2 have square
door latches.
--Units rode
on at least 5 FB-3 truck types: one GSC and two Adirondack castings with
low-mounted brake cylinders, and GSC and Adirondack castings with high-mounted
brake cylinders.
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C30-7,
C36-7
| Phase |
Built |
Left-side
eq. doors |
Exhaust
silencer |
Stack
base |
Rear
#-boards |
Rear class
lights |
Cab side
windows |
| 1 |
1979.06 -
1979.11 |
2 short,
3 long |
No |
Small |
Flush |
High |
4 |
| 2a |
1980.01 -
1980.07 |
" |
Yes |
Large |
Raised |
Low |
" |
| 2b |
1980.07 -
1981.01 |
" |
" |
" |
" |
" |
2 |
| 2c |
1981.03 -
1986.05 |
1 long,
1 short,
3 long |
" |
" |
" |
" |
" |
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Left-side eq doors: Latched
panels under cab; size indicated starting from front
Stack base: Rectangular base
around exhaust stack
Other details:
- Doors under
forward section of radiator may or may not have 3 narrow vertical intakes.
Some units had similar intakes retrofitted.
- Units rode
on 5 FB-3 truck types: Adirondack or GSC castings, with low- or high-mounted
brake cylinders, and Adirondack castings with clasp brakes (NW versions).
- Only Phase
1 and 2c apply to the C36-7. Some later units featured modified radiator
and dynamic brake intakes. Other units indistinguishable from C30-7.
- Some Phase
2a through 2c units lack exhaust silencer, but have larger stack base.
- Conrail
units have 3-step end platforms in place of standard 4 steps.
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C30-7A
CR 6550-6599
was the only order of C30-7A's. Phase spotting features shared with
Phase 2c C30-7, except with 6 central engine access doors per side instead
of 8.
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C32-8,
C39-8
No major production
variations. CR 6610-6619 was the only order of C32-8's. C32-8
shorter than C39-8. Overall look shared with early B32-8 and B39-8.
Other details
(C39-8):
NS 8550-8563:
covered front jacking pad, rectangular rear jacking pad, framed rear intakes,
two dynamic brake intakes
NS 8564-8613:
angular rear jacking pad, three dynamic brake intakes
NS 8614-8638:
flush rear intakes
CR 6000-6021,
NS 8639-8663: exposed front jacking pad, rectangular rear jacking pad
--Most versions
can be seen with a mix of Adirondack and GSC truck castings.
--NS versions
had original bolted panel at left rear of hood replaced by two doors.
--C32-8 is
2' 9" shorter (67' 11") with length removed in fuel tank and center section
of hood.
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From C39-8
to C39-8E
--Raised and angular cab roof, with
horizontal cab headlights
--Streamlined dynamic brake/central
air intake area (fewer doors and seams)
--Hood made same width along entire
length
--Less-visible door hinges
--Standard double door latches (replacing
single central door handles)
--Shorter central hood doors
--Canted radiator intakes
--Neater rear hood doors and intakes
--New rear hood end with vertical
headlights
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C39-8E
No major production
variations. NS 8664-8688 was the only order. Most ride on Adirondack
truck castings. Overall look shared with B39-8E and B40-8.
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From C39-8E
to C40-8
--Longer fuel
tank
--Air reservoirs
moved from fuel tank ends to notch in right fuel tank side
--Front (or
dual) anticlimbers added
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C40-8
No major production
variations.
Other details:
--Most ride
on GSC truck castings.
--New anticlimber
introduced partway through production, with end handrail coming to anticlimber
edge.
--Tall hood
door under radiator changed from bolted to latched
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From C40-8
to C40-8W (aside from the new cab)
--Handbrake
in rear of hood instead of cab nose
Several changes
resulted from a thinner main frame on the C40-8W:
--Thinner
walkway side frame
--Lower walkway
height
--Lower overall
height over central hood and radiators
--Raised front
hood section (or "hump"), to match taller cab roof. Extra height
of hood section added above central air intake.
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C40-8W
Phase 1:
Thin radiators
Phase 2:
Thick (Dash-9 style) radiators
Other details:
--ATSF units
have "Gull-wing" cab roof.
--UP C41-8W's
and C40-8W's are identical except for nose door window (later removed)
and 5-step platforms on C41-8W .
--CSX C44-8W's
share spotting features with Phase 2 C40-8W's.
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From Dash-8
to Dash-9
--New Hi-Ad
"Roller Blade" trucks (with all traction motors oriented in the same direction)
--Overall
length increased from 70' 8" to 73' 2" (hood lengthened in central air
intake area)
--Shorter
central air intake
--New step
design
--Longer,
twice-beveled fuel tank
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C40-9W
Most details
are consistent with those of Phase 2a C44-9W.
Other details:
NS 8889-8947
NS 8948-9128
(single continuous handrail behind AC cabinet, first handrail stanchion
moved rearward to clear couple knuckle box)
NS 9129-9258
(taller rear-most intake on left side, electronic hand brake with no brake
wheel, coupler knuckle box screen replaced by holes)
NS 9259-9529
(new air reservoir dryer)
NS 9530-9744
(electronic bell)
NS 9745-9841
(coupler knuckle box removed, first handrail stanchion moved forward)
NS 9842-9978
(electronic hand brake with brake wheel)
--AC cabinet
is directly behind cab on left side.
--Coupler
knuckle box is on left walkway behind AC cabinet.
--Air reservoir
dryer is under walkway on right side, behind fuel tank.
--All units
have early Dash-9 style front handrail.
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C44-9W
Phase 1a:
Even-height rear intakes, 4 steps, notched stairwell side sheet, straight
air reservoir cutout in fuel tank
Phase 1b:
5 steps
Phase 2a:
Uneven-height rear intakes, straight-edged stairwell side sheet, notched
air reservoir cutout in fuel tank
Phase 2b:
New front handrail
Other details:
--Units with
high capacity dynamic brakes have 3 intakes behind the cab; units with
regular dynamic brakes have 2 intakes.
--ATSF and
BNSF units have "Gull-wing" cab roof.
--BNSF Phase
2b units have 4 cab side windows.
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C44-9WL
Phase 1:
4-window cab, notch in left rear of fuel tank, non-standard cab access
panels on left side
Phase 2a:
2-window cab, longer notch in left rear of fuel tank, notched air reservoir
cutout in fuel tank
Phase 2b:
standard cab access panels on left side
Phase 2c:
No notch in left rear of fuel tank, new air reservoir dryer.
Other details:
--Air reservoir
dryer is under walkway on right side, behind fuel tank.
--No Canadian
C44-9WL's had AC cabinet, normally directly behind cab on left side.
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AC4400CW
Phase 1a1:
6 tall, narrow inverter cabinet panels, notched stairwell side sheet,
single handrail behind cab on left, central air intake immediately behind
dynamic brake intakes, hinged square panel on right raised walkway, grilled
intakes under cab on right, straight air reservoir cutout in fuel tank
Phase 1a2:
notched air reservoir cutout in fuel tank
Phase 1b1:
straight-edged stairwell side sheet, no angled panel behind right radiator
intake
Phase 1b2:
bolted square panel on right raised walkway
Phase 1c1:
double handrail behind cab on left, louvered intakes under cab on right
(except CP version), small rectangular grill on left cab side moved rearward
Phase 1c2:
narrower horizontal panels under inverter cabinet
Phase 2a:
central air intake moved rearward, 4 upper inverter cabinet panels
(1 + group of 3) with 3 lower X-panels
Phase 2b:
2 large X-panels replace group of 3 upper panels
Other details:
--Units with
high capacity dynamic brakes have 3 intakes behind the cab; units with
regular dynamic brakes have 2 intakes.
--BNSF units
have 4 cab windows.
--CSX units
have early Dash-9 style front handrail (less prominent bend) through all
production.
--Grills and
panels under left cab side show many variations
--Very early
units had vertical shock struts behind brake rods, later replaced on some
units with angled struts as seen later in production.
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Michael
Eby 2008-2009