
4512V covers the LEGO trains of the 4.5 V and 12 V systems from the 1970s and 1980s. The 4.5 V trains ran on batteries carried in a wagon or tender, while the 12 V trains drew power from conductor rails laid between the running rails, fed by a transformer with a speed control. Until 1980 the track was blue, which gave these years the name of the Blue Era.
4.5V / 12V consists of 83 sets that ran from 1972 to 1986. As of today,
7750 Steam Engine with Tender is the most valuable 4.5V / 12V set with an estimated new/factory sealed value of $6,296.
Summary
Trains 4.5V / 12V Diesel Heavy Shunting Locomotive set 7755 was released in October 1983, retailing for $50, but has since been retired. New, unopened Diesel Heavy Shunting Locomotive sets are valued at $1,492, while used sets can be found for $218 in good condition.
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