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675 K-4 Pacific


Production:  1947 - 1949 & 1952

The 675 steam engine was classified by Lionel as a K4 Pacific steam-type engine. The real life K4 Pacific was predominately used by the Pennsylvania Railroad and Lionel's model is a good representation of the actual locomotive. The 675 is a mid-size steam engine. Lionel classified it as an O gauge item. The 675 is considered a quality locomotive and is the same locomotive as the 2025 locomotive (with the exception of the number). In addition, the 675 does share its boiler casting with other Lionel locomotives such as the 2035 steamer, however the internal workings are different.

The 675 steam locomotive had two independant production runs. The first was from 1947 through 1949 and the second was a single-year run in 1952. Although each run carried the same production number, in most cases parts are not interchangable between the early and late version.

  • The first production run started in 1947 and ran through 1949. The earliest run in 1947 consisted of a 2-6-2 wheel arrangement with detailed driving wheel hardware, three position E-unit, smoke, aluminum smokestack, Baldwin disk drive wheels, die-cast trailing truck, ornamental bell and headlight. The number on the keystone on the boiler front was either 675 or 5690. Initially the whistling tender was numbered 2466WX, however sometime in 1947 it changed to 6466WX. The number change corresponded to a change from coil couplers on the 2466WX to magnetic couplers on the 6466WX.
  • The 1948 and 1949 version of the 675 was the same as above with two exceptions. The smokestack was modified from a separate aluminum piece to a black-painted stack. The second modification was the inclusion of a simulated knuckle couple cast into the cowcatcher. This version always came with the 6466WX tender.
  • The final 675 run was in 1952. Externally, the 1952 model looks very similar to the earlier models. Internally, there are numerous differences. The 1952 model has a 2-6-4 wheel arrangement with detailed driving-wheel hardware, three-position E-unit, smoke, relatively plain spoked drive wheels, sheet metal trailing truck plus ornamental bell and headlight. The number on the keystone of the boiler front was always 5690 while the tender was always the 2046W whistling tender.

Additional Detail, Photos & Box Information
The length of a 675 and 2466WX or 6466WX tender is approximately 18 1/2" long (cowcatcher to rear coupler).

1947 Model - This model is the most desired of all 675 steam engines.
1948 & 1949 Model - Shown in the photo above. - Very similar to the 1947 model and just a step lower in desireability than the 1947 model.
1952 Model - The least sought after model. This has generated little interest in the collector market.

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