In 1975, LEGO released 6 Trains 4.5V / 12V sets, all of these sets have been retired. For that year, the total price of all retail sets cost $49, today those sets are valued around $3,769, a growth of 7671%.
Most valuable 1975 LEGO Trains 4.5V / 12V set
182 Train Set with Motor $1,295.70
Highest growth 1975 Trains 4.5V / 12V set
134 Mobile Crane and Wagon +22324.10%
Most owned 1975 Trains 4.5V / 12V set
148 Central Station
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 87
Availability Retired
133 LEGO Trains Locomotive
Retail $2.89
Value $577.82
Growth  19893.8%
Annual growth 11.4%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 86
Availability Retired
134 LEGO Trains Mobile Crane and Wagon
Retail $2.49
Value $558.36
Growth  22324.1%
Annual growth 11.6%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 83
Availability Retired
136 LEGO Trains Tanker Wagon
Retail $1.89
Value $176.37
Growth  9231.7%
Annual growth 9.7%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 82
Availability Retired
137-2 LEGO Trains Passenger Sleeping Car
Retail $1.89
Value $397.33
Growth  20922.8%
Annual growth 11.5%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces / Minifigs 293 / 5
Availability Retired
148 LEGO Trains Central Station
Retail $19.99
Value $763.84
Growth  3721.1%
Annual growth 7.7%
Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 369
Availability Retired
182 LEGO Train Set with Motor
Retail $19.99
Value $1,295.70
Growth  6381.7%
Annual growth 8.9%