Standing out is 180 4.5V Train with 5 Wagons, worth 29,183% more today than it cost at retail. The sets below run from 1966 to 1978. Every set below is now worth more than three times its retail price. The middle set on the list has grown 12,036%. Sets from the 1960s make up about 55% of the list. The blue track trains of 1966 to 1975 have grown the most. Locomotives and single wagons sold for very little then, and sealed sets from the first years of LEGO trains are rare.

Below are the retired LEGO Trains sets that have grown the most in value against their original retail price.
Most valuable set
7750 Steam Engine with Tender $6,367.70
Highest growth set
180 4.5V Train with 5 Wagons +29182.92%

180 4.5V Train with 5 Wagons

Theme / Subtheme Trains / 4.5V / 12V
Year 1972
Pieces 228
Availability Retired
It consists of a steam locomotive, a battery car, three freight wagons, and a tipper car. The battery-operated engine connects via polarity-sensitive magnets. It also include 40 tracks and a signal.
180 LEGO 4.5V Train with 5 Wagons
Retail $6.50
Value $1,903.39
Growth  +29182.9%
Annual growth 11.1%

133 Locomotive

Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 87
Availability Retired
The build assembles a black locomotive featuring magnet couplers and a red-and-yellow wheel assembly.
133 LEGO Trains Locomotive
Retail $2.89
Value $756.46
Growth  +26075.1%
Annual growth 11.5%

117 Locomotive without Motor

Theme / Subtheme Trains / 4.5V
Year 1967
Pieces 107
Availability Retired
It consisted of a build a black locomotive train engine without a motor (but could be motorized with the motor pack 103-1).
117 LEGO Trains Locomotive without Motor
Retail $3.75
Value $912.55
Growth  +24234.7%
Annual growth 9.8%

113-2 Motorized Train Set

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 402
Availability Retired
It was only sold in Europe. From the LEGO catalog - "A 402 piece set that builds an authentic European style train.
113-2 LEGO Motorized Train Set
Retail $16.99
Value $3,836.41
Growth  +22480.4%
Annual growth 9.5%

137-2 Passenger Sleeping Car

Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 82
Availability Retired
The model depicts a blue passenger coach with a gray roof, red wheels, and stickered red-and-white “137” markings.
137-2 LEGO Trains Passenger Sleeping Car
Retail $1.89
Value $332.98
Growth  +17518.0%
Annual growth 10.7%

122 Loco and Tender

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 102
Availability Retired
It included a locomotive, a tender, the battery box and the motor itself.
122 LEGO Trains Loco and Tender
Retail $9.50
Value $1,659.00
Growth  +17363.2%
Annual growth 6.9%

134 Mobile Crane and Wagon

Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 86
Availability Retired
It builds a yellow-and-red mobile crane and a blue flatbed rail wagon from the blue-track era. The crane features a rotating superstructure and jib with hook for loading cargo onto the wagon.
134 LEGO Trains Mobile Crane and Wagon
Retail $2.49
Value $419.02
Growth  +16728.1%
Annual growth 4.8%

124 Goods Wagon

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 56
Availability Retired
It builds a blue freight wagon with a gray roof, red wheels, and paired side doors on each side.
124 LEGO Trains Goods Wagon
Retail $2.75
Value $402.27
Growth  +14528.0%
Annual growth 7.5%

165 Cargo Station

Theme / Subtheme Trains / 4.5V / 12V
Year 1978
Pieces / Minifigs 268 / 2
Availability Retired
It depicts a cargo-loading facility with an overhead gantry crane spanning the track to lift goods to and from trains.
165 LEGO Trains Cargo Station
Retail $14.99
Value $2,057.37
Growth  +13624.9%
Annual growth 10.8%

123 Passenger Coach

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 98
Availability Retired
It is a red, yellow and grey passenger train car with a "INT Europe". sticker and powered with a 9V battery. Designed for use on blue track from the 4.5V era.
123 LEGO Trains Passenger Coach
Retail $2.75
Value $353.37
Growth  +12749.8%
Annual growth 8.9%

114-2 Small Train Set

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 88
Availability Retired
It features a small push train built on 4-stud-wide plates, a narrower format than the 6-stud-wide trains that were more typical in LEGO’s train range at the time.
114-2 LEGO Small Train Set
Retail $4.25
Value $515.79
Growth  +12036.2%
Annual growth 8.3%

127 Complete Train with 3 Wagons

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 575
Availability Retired
It consists of a main train engine, three wagons (passenger, postal, and storage cars), track, and magnet-based connections between cars.
127 LEGO Complete Train with 3 Wagons
Retail $8.99
Value $1,050.74
Growth  +11587.9%
Annual growth 8.7%

136 Tanker Wagon

Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 83
Availability Retired
It builds a yellow Shell-branded tanker rail car with stickered Shell logos, designed as rolling stock for LEGO’s 4.5V/12V train system of the classic era.
136 LEGO Trains Tanker Wagon
Retail $1.89
Value $212.10
Growth  +11122.2%
Annual growth 9.6%

131 Passenger Coach

Theme / Subtheme Trains / 4.5V / 12V
Year 1972
Pieces 67
Availability Retired
It includes a number of stickers of destination cities including Wien, Paris, London, Hamburg and a couple others to be applied to the car.
131 LEGO Trains Passenger Coach
Retail $3.19
Value $341.31
Growth  +10599.4%
Annual growth 9.0%

118-2 Small Train Set

Theme / Subtheme Trains / 4.5V
Year 1968
Pieces 451
Availability Retired
It was also called 'Electronic Train' and was only released in Europe. The set consisted of a black motor, black holder for 3 1.5V batteries, white microphone block, transparent block containing a circuit board with electronics, 2 cables with color-coded plugs, wheels and couplings and a whistle. It could build 3 train cars.
118-2 LEGO Small Train Set
Retail $15.50
Value $1,579.61
Growth  +10091.0%
Annual growth 8.3%

132-2 Port Crane and Flat Waggon

Theme / Subtheme Trains / 4.5V / 12V
Year 1972
Pieces 60
Availability Retired
It builds a small harbor crane on a 4x4 turntable with a hand crank for hoisting cargo, plus a flat wagon for freight.
132-2 LEGO Trains Port Crane and Flat Waggon
Retail $3.49
Value $351.14
Growth  +9961.3%
Annual growth 8.9%

112-2 Locomotive with Motor

Theme / Subtheme Trains / 4.5V
Year 1966
Pieces 76
Availability Retired
It builds a blue, grey, and red motorized locomotive powered by a 4.5V motor with an external battery box.
112-2 LEGO Trains Locomotive with Motor
Retail $7.25
Value $714.08
Growth  +9749.4%
Annual growth 8.0%

182 Train Set with Motor

Theme / Subtheme Trains / 4.5V / 12V
Year 1975
Pieces 369
Availability Retired
It includes a steam engine and four carriages with car transporter at the end. It consists of enough track to construct an oval with 4 lengths of straight track, and a signal post.
182 LEGO Train Set with Motor
Retail $19.99
Value $1,952.56
Growth  +9667.7%
Annual growth 4.7%

139 Electronic Control Unit Forward, Backward and Stop

Theme / Subtheme Trains / 4.5V
Year 1969
Pieces 13
Availability Retired
It was a supplementary set that contains an electronic whistle and parts used in sets 118 Electronic Train and 138 Electronic Train.
139 LEGO Trains Electronic Control Unit Forward, Backward and Stop
Retail $12.38
Value $1,155.04
Growth  +9229.9%
Annual growth 11.8%

118 Electronic Train

Theme / Subtheme Trains / 4.5V
Year 1968
Pieces 110
Availability Retired
The set consisted of a black motor, black holder for 3 1.5V batteries, white microphone block, transparent block containing a circuit board with electronics, 2 cables with color-coded plugs, wheels and couplings and a whistle.
118 LEGO Electronic Train
Retail $19.95
Value $1,777.81
Growth  +8811.3%
Annual growth 6.9%
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