Rivet Counter HO Scale Wabtec CM44AC, CSX/YN3 Boxcar Logo/DP Sticker/PTC

The Rivet Counter™ series CM44AC & CM44AH is the definitive HO Scale model of Union Pacific’s modernized AC4400CW locomotives. Our model combines smooth operating performance with unparalleled railroad, road number, and era specific™ details along with industry-leading LED lighting features.

From late 2019 through 2025, CSX contracted with GE, now Wabtec, to rebuild their aging AC4400CW locomotives. This modernization program included an upgraded control system, wiring, and high-pressure common rail fuel system for increased economy and reliability. Externally, multiple changes were also made to the cabs, long hood cabinets, and radiators.

Run: 1

Announced: Jan 24, 2026

Estimated Time of Arrival: October 2026

DCC & Sound Equipped Retail: $399.99 DC/DCC Ready Retail: $269.99

See below for your price

In stock

SKU

1-RCHOCM44AC-2

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Grouped product items
Item Number	Road Number	Control & Sound Options	Our Price	Availability	ETA Date
SXT42218	7207	DCC & Sound Equipped	$339.99	Preorder	October 2026
SXT42219	7207	DC/DCC Ready	$229.99	Preorder	October 2026
SXT42220	7212	DCC & Sound Equipped	$339.99	Preorder	October 2026
SXT42221	7212	DC/DCC Ready	$229.99	Preorder	October 2026
SXT42222	7202	DCC & Sound Equipped	$339.99	Preorder	October 2026
SXT42223	7202	DC/DCC Ready	$229.99	Preorder	October 2026
SXT42224	7235	DCC & Sound Equipped	$339.99	Preorder	October 2026
SXT42225	7235	DC/DCC Ready	$229.99	Preorder	October 2026

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ADDITIONAL PHOTOS

PRODUCT DETAILS

Road Number Specific ScaleTrains

All-new model
Era: 2019 to present
Series 7200 to 7293; ex-CSX AC4400CW 201 to 225, built 1-7/96 and ex-CSX AC4400CW 228 to 279, built 7-12/96
Road number 7202; ex-CSX 208; 2022 to present
- Sloped panel without access door
- Tall and wide plow with welded reinforcement plate
- Late (heavy handle) engine compartment door latches
- Lost-wax brass cast Nathan AirChime K5LAR25 horn mounted on engine cab with shower caps
- Early “box” lifting lugs on ends of radiator wings
Road number 7207; ex-CSX 250; 2022 to present
- No right side radiator wing access door
- Tall and wide plow with angular and notched coupler opening
- Early (thin handle) engine compartment door latches
- Lost-wax brass cast Nathan AirChime K5HLR2 horn mounted on engine cab with shower caps
- Early “box” lifting lugs on front and ends of radiator wings
Road number 7212; ex-CSX 264; 2022 to present
- No right side radiator wing access door
- Tall and wide plow with angular and notched coupler opening
- Early (thin handle) engine compartment door latches
- Lost-wax brass cast Nathan AirChime K5LAR24 horn mounted on engine cab with shower caps
- Early “box” lifting lugs on front and ends of radiator wings
Road number 7235; ex-CSX 218; 2022 to present
- Sloped panel without access door
- Tall and wide plow with welded reinforcement plate
- Late (heavy handle) engine compartment door latches
- Lost-wax brass cast Nathan AirChime K5LAR24 horn mounted on engine cab with shower caps
- Early “box” lifting lugs on ends of radiator wings
Fully-assembled
Multiple road numbers
Operating LED-illuminated ground lights on both sides of locomotive*
Operating LED-illuminated front deck-mounted ditch lights**
Operating LED-illuminated front, rear, and side walkway lights*
Printed high-mount cab number boards with separately controlled backlit LED-illumination*
Directional LED-illuminated headlights
Tall snowplow with MU hose openings and two (2) grab irons
Semi-scale GE type coupler buffer equipped with durable metal semi-scale Type E knuckle couplers, painted a dingy gray/brown color to represent the color of couplers in service
Outside loop uncoupling levers with down brackets
5-step stepwells with see-through steps
Late - Angled stepwell corner profile
Walkway with front anticlimbers
GE “nub” pattern walkway tread
Wide profile end handrails
Front low (cab) mounted headlight
Right side nose door with window; security padlock with hasp
Two-piece nose top grab irons
Battery cabinet access door with latch
GE safety cab with four (4) side windows
Right side cab under floor access doors: 17 louver panels per door and circular style latches
Left side cab under floor access doors: bolted X-panel with square punched screen HVAC unit
Late - Rearward placed cab heater vent
Cab interior with detailed back wall and front dash, high-back seats, conductor’s workstation, and engineer’s AAR-style control stand
In-cab grade crossing camera
Tinted cab side windows
Tall mirror mounted in front of sliding cab side windows on both sides; additional small mirror on right side
JEM Communications PTC antenna farm with Sinclair antennas
Inverter Cabinet with Bolted and hinged access door, top two X panels same size, three lower X panels with 4 - 6 - 4 Bolt Pattern
Continuous reinforcement rib under dynamic brake intake grilles
High-capacity dynamic brake exhaust (3-port)
Rearward right-side air intake grille
Left side auxiliary cab: 3 short doors with latches on the #2 door and wide auxiliary cab filter box door
Right side auxiliary cab: four (4) doors with latches on #1 and #4 doors
Dual lifting lugs mounted to sides of clean air cab joint
Late angled engine cab profile
Late style engine cab door latches
Low mounted lift rings on engine cab power assembly doors
Three door latches per side on exhaust cab doors
Late (angular) engine cab roof profile
Late non-flanged exhaust stack housing
Raised radiator grills and shutter system
24 individually-applied etched metal see-through radiator intake and exhaust grilles on sides and top of radiator compartment
Right side late radiator door grilles in alternating heights
Concave stamped brake wheel
Left rear hood door grille arrangement: tall, short, tall grilles
Low-mounted rear sand fill
Accurately profiled frame with separately-applied plumbing and traction motor cabling
Early GE Steerable Trucks and separately applied brake cylinders, single bracket air plumbing, and rotating bearing caps
Wheel faces painted a dingy gray/brown color to represent the color of wheelsets in service
No speed recorder
Graham-White 975-100 series air dryer
Dual Graham-White (Prime) 975-075 air filters
Late - with air reservoir drain notch 5,000-gallon fuel tank with vertical wide spaced weld seams. Wide flanged sight glass openings
Single fuel fills per side
Round and vertical analog fuel gauges; digital fuel gauges
Fuel tank mounted steel bell
Curved handbrake chain bracket
Spare coupler knuckle holders on rear pilot face
Factory-applied detail parts: wire grab irons, spare knuckles, trainline hoses with silver gladhands, 3-hose MU clusters with silver gladhands, uncoupling levers, windshield wipers, mirrors, sunshades, and more
Motor with 5-pole, skew-wound armature
Dual flywheels
All-wheel drive
All-wheel electrical pick-up
Printing and lettering legible under magnification
Operates on Code 70, 83, and 100 rail
Packaging safely stores model
Minimum Radius: 18”
Recommended Radius: 22”

DCC & sound equipped locomotives also feature:

ESU-LokSound 5 DCC and Sound decoder with “Full Throttle” Functions
Two (2) cube-type speakers
Accurate FDL-16 prime mover and auxiliary sounds, horn, bell, and more
ESU-designed PowerPack with two (2) super capacitors***
Operates on both DC and DCC layouts

DCC & sound ready locomotives also feature:

Operate on DC layouts
DCC ready with 21-pin connector

* Lighting features operate when using an ESU decoder with appropriate programming while operating using DCC

** In DC operation, both front ditch lights illuminate; rear ditch lights (if equipped) do not illuminate

*** Compatible with appropriately programmed ESU decoders while operating using DCC

PRODUCT VIDEOS

PROTOTYPE HISTORY

In September 2019, former CSX locomotive number 202—the first of an initial order of 50 AC4400CW (CW44AC) locomotives to be modernized—rolled out of Wabtec’s Erie, PA, facility for testing. This locomotive, now numbered 7200, was also the first in a new equipment series for CSX. Post-rebuild, GE/Wabtec classified these locomotives as AC4400CWM (“M” for Modernization); however, CSX designates them as CM44AC.

The first 50 modernized locomotives were sorted into two different number series. The 7000 series was assigned to former CW44ACs equipped with GE high-adhesion trucks, while the 7200 series was designated for units with steerable trucks. The heavier CW44AH locomotives were initially assigned to the 7500 series in 2022, but some recent modernized units have been numbered into the 7300 and 7400 series. These locomotives are classified as CM44AH.

Internally, the most significant changes involve the upgraded control system and wiring. GE introduced what it called the “Consolidated Control Architecture,” which Wabtec later rebranded as “Modular Control Architecture.” This system works in conjunction with the “FDL Advantage,” which optimizes the turbocharger by replacing the previous 16 individual fuel pumps with a single high-pressure common rail fuel system. These improvements have increased fuel efficiency by up to 18% and enhanced reliability.

Externally, several significant changes are noticeable. The most obvious modification is the upgraded ET44-style cab. These new cabs can be identified by the nose door, now located on the engineer’s side instead of the fireman’s side, as seen in earlier cabs. Additionally, the original low-mounted number boards on CSX’s previous cabs have been relocated above the windshields. The cab side windows have also changed from a three-window configuration to a larger four-window design.

Behind the cab, all cabinets up to the engine compartment were replaced with ones more closely resembling those found on ET44 GEVOs. These include new dynamic brake, inverter, and inertial cabinets and components. Capacitor boxes were also removed from any units that originally had them positioned next to the inverter cabinet.

All locomotives retained their original engine and radiator compartments. However, the radiator section was upgraded with a raised shutter appliance to supplement the existing cooling system. These shutters can open or close to retain heat when necessary or vent excess heat as needed.

Throughout the rebuild program, CSX has made several changes to locomotive branding. All modernized units have been repainted in the Yellow Nose 3 (YN3) scheme, but the logos have evolved. From 2019 through 2021, the rebuilt locomotives received the boxcar logo, also known as the YN3b scheme. In 2021 and 2022, locomotives were instead given the standard CSX logo, representing the traditional YN3 scheme. Since 2022, CM44AC and CM44AH locomotives have been adorned with the "Dot Com" logo, which defines the YN3c scheme.

In 2022, CSX began testing 10 locomotives using a 20% soybean oil-based fuel blend known as B20 biodiesel. It is claimed that burning this fuel reduces emissions by up to 20%. These test locomotives received special Biodiesel and test partner logos on either side of the cab nose after delivery. CSX conducted this test out of Tampa, Florida, throughout 2022, and today, these locomotives can be seen operating across the CSX system.

Through these modernization efforts, the highly successful AC4400CW locomotives will continue to play a vital role in the railroad industry for many more years under their new designations: CM44AC and CM44AH.

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