Gauge H0 - Article No. 37997

Class 4000 Steam Locomotive

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Prototype: Union Pacific Railroad (UP) class 4000 "Big Boy" heavy steam freight locomotive. Version with oil firing. Road number 4014. The locomotive looks as it did in 2019.

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Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive
Class 4000 Steam Locomotive

Most Important Facts

Sound demo
Article No. 37997
Gauge / Design type H0 / 1:87
Era VI
Kind Steam Locomotives
Article not produced anymore.
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Highlights

  • One-time series of the "Big Boy", road number 4014, with oil firing, put back into operation by Union Pacific in the prototype.
  • Prototypical execution of the model.
  • Product description

    Model: The locomotive has an mfx+ digital decoder and extensive sound functions. It also has controlled high-efficiency propulsion. 8 axles powered. Traction tires. 2 each 7226 smoke generators can be installed in the locomotive. The headlight changes over with the direction of travel. The headlight, the backup light on the tender, the number board lights, and the smoke unit contacts will work in conventional operation and can be controlled digitally. The engineer's cab lighting can be controlled digitally. Maintenance-free, warm white LEDs are used for the lighting. The locomotive has an articulated frame enabling it to negotiate sharp curves. It also has Boxpok driving wheels. Steam lines are mounted to swing out and back with the cylinders. There is a close coupling between the locomotive and tender. There is a powerful speaker in the tender and the volume can be adjusted. Coupler hooks can be inserted in the pilot on the front of the locomotive. The locomotive has separately applied metal grab irons. There are many separately applied details. Figures of a locomotive engineer and fireman for the engineer's cab are included.
    Length over the couplers approximately 46.5 cm / 18-5/16".
    The locomotive comes in a wooden case.

    The image of the locomotive is digitally retouched. Notes for operating this locomotive: The locomotive can be used on curved track with a radius of 360 mm / 14-3/16" or more. However, we recommend larger radii. Due to the overhang of the long boiler, signals, catenary masts, bridge railings, tunnel portals, etc. must be installed for sufficient clearance on curves. The track must be well mounted due to the heavy weight of the locomotive. The locomotive can only be run through a turntable or transfer table. Products bearing "Union Pacific" are made under trademark license from the Union Pacific Railroad Company.

    A passenger car set to go with this locomotive can be found in the Märklin H0 assortment under item number 43617. This model can be found in a DC version in the Trix H0 assortment under item numbers 22014 and 22163.

    Find more Märklin explanation videos on our YouTube Channel

    Spare parts for our articles can be found here in our spare parts search.

    One-time series.

  • Publications

    - New items brochure 2020 - Product programme 2020/2021
  • Prototype information

    The "Big Boy", Road Number 4014 The Union Pacific Railroad (UP) class 4000 known as the "Big Boy" is surely one of the most popular American steam giants, if not even worldwide. Initially, 20 of this articulated locomotive (road numbers 4000-4019) with a 4-8-8-4 wheel arrangement were built in 1941 at ALCO resulting from the continuation of the "Challenger" concept, the extremely successful UP articulated locomotive with a 4-6-6-4 wheel arrangement. Another small series of five units (road numbers 4020-4024) followed in 1944. The conception of the "Big Boys" resulted from the usual requirements as with all other American large locomotive designs: Fewer locomotives were supposed to pull heavier trainloads at higher speeds. The UP bought the 25 units only for a single line: From Cheyenne, Wyoming 830 km / 519 miles west through the foothills of the Rocky Mountains across Sherman Hill to Ogden, Utah. The result was thus a gigantic unit for fast freight service with a service weight of 548 tons (including the tender). In July of 1959, the Big Boy era was finally past and the fire in all of the locomotives was put out. Yet on May 10, 2019, the 150th anniversary of the completion of the transcontinental railroad ("150 Years of the Golden Spike") was due to be celebrated. After all, the Union Pacific was one of the two railroads, which had accomplished this grandiose achievement. Therefore, something spectacular should honor this event fittingly. Thus in 2013 the first rumors started that a "Big Boy" was supposed to be put into operation again. At least eight units were still in existence. The UP's steam locomotive specialists checked out each of the eight surviving locomotives in order to find the best candidate for restoration. Finally, the final selection fell to road number 4014 at the RailGiants Train Museum in Pomona, since the mild California climate had attacked the locomotive the least and its boiler was in the best condition of all the preserved units. However, the locomotive now had to be transported to Cheyenne. Its transfer to Cheyenne was finally over on May 8, 2014 after a trip of several days. It was soon determined that about 60% of the parts had to be replaced due to decades of standing idle and the rest required a complete restoration. The UP steam shops with its nine workers originally planned five years for the restoration of the Big Boy. Yet, a main overhaul of the UP steam locomotive, road number 844, had to be done in the same timeframe, so that in the end putting road number 4014 back into operating condition required a timeframe of only two and a half years. It was not until February 6, 2019 that an important milestone could be successfully mastered in the restoration of road number 4014. It passed the water pressure test for the boiler. The work now accelerated rapidly. On April 9, the oil burner for road number 4014 was lit for the first time. Yet time was getting short, because the locomotive was supposed to be seen under steam on May 9 at a big event in Ogden. A short test was thus scheduled for road number 4014 on May 2 and was successfully completed. According to estimates, the UP had had to spend at least four million US dollars for the restoration. Yet from this day on this railroad was again running the largest and most powerful operational steam locomotive in the world in its roster. The special run of road number 4014 together with road number 844 May 4 – 19 from Cheyenne to Ogden and back for the anniversary "150 Years of the Golden Spike" formed a first absolute highlight and of course also a mass spectacle.

  • Digital Functions

    Control Unit Mobile Station Mobile Station 2 Central Station 1/2 Central Station 3/2*
    Mobile Station 2**
    Headlight(s)
    Smoke generator contact
    Steam locomotive op. sounds
    Locomotive whistle
    Direct control
    Sound of squealing brakes off
    Engineer’s cab lighting
    Whistle for switching maneuver
    Number Board Lights
    Bell
    Operating sounds
    Air Pump
    Injectors
    Auxiliary Blower
    Conductor's Whistle
    Cab Radio
    Coupler sounds
    Replenishing fuel
    Replenishing fuel
    Replenishing fuel
    Headlight(s)
    Switching maneuver
    Rail Joints

    * New features of the Central Station 2 (Part No. 60213, 60214 or 60215) with the software update 4.2

    ** New features of the Mobile Station 2 (Part No. 60657/66955) with the Software Update 3.55

Sound-/Decoderproject

Warning

ATTENTION: adults only
Warning USA
ATTENTION: not for children under 15 years