1. Sets
  2. Trains
  3. 4.5V / 12V

LEGO Trains / 4.5V / 12V Sets

4.5V / 12V is a subtheme of Trains that consists of 83 sets that ran from 1972 to 1986. Most sets were released in 1980 which accounted for 28 sets. As of today, the average annual growth of sets in Trains 4.5V / 12V is approximately 5.4% per year.
Most valuable Trains 4.5V / 12V set
7730 Electric Goods Train Set $5,400.39
Highest growth Trains 4.5V / 12V set
180 4.5V Train with 5 Wagons +25971.23%
Largest Trains 4.5V / 12V set
7740 Inter-City Passenger Train Set 786 pieces
Most owned Trains 4.5V / 12V set
7850 8 Straight Rails Grey 4.5 V
In 1972 LEGO released the 4.5V and 12V train sets as part of the Blue Era which was named because of the rail color. These train sets used additional conductor rails mounted between the standard 4.5V rails and 12V motors contained in the same housings as the 4.5V motors, but with additional metal contacts attached to the bottom of the housings.

7823 Container Crane Depot

Theme / Subtheme Trains / 4.5V / 12V
Year 1986
Pieces / Minifigs 487 / 2
Availability Retired
7823 LEGO Trains Container Crane Depot
Retail $36.50
Value $274.38
Growth  +651.7%
Annual growth 3.9%

7839 Car Transport Depot

Theme / Subtheme Trains / 4.5V / 12V
Year 1986
Pieces / Minifigs 340 / 2
Availability Retired
7839 LEGO Trains Car Transport Depot
Retail $34.50
Value $503.75
Growth  +1360.1%
Annual growth 7.3%

7813 Shell Tanker Wagon

Theme / Subtheme Trains / 4.5V / 12V
Year 1986
Pieces / Minifigs 121 / 1
Availability Retired
7813 LEGO Trains Shell Tanker Wagon
Retail $16.50
Value $255.96
Growth  +1451.3%
Annual growth 7.5%

7745 High-Speed City Express Passenger Train Set

Theme / Subtheme Trains / 4.5V / 12V
Year 1985
Pieces / Minifigs 736 / 10
Availability Retired
7745 LEGO High-Speed City Express Passenger Train Set
Retail $96.50
Value $2,633.87
Growth  +2629.4%
Annual growth 7.5%

7735 Freight Train Set

Theme / Subtheme Trains / 4.5V / 12V
Year 1985
Pieces / Minifigs 509 / 2
Availability Retired
7735 LEGO Freight Train Set
Retail $72.50
Value $1,210.24
Growth  +1569.3%
Annual growth 3.6%

7722 Steam Cargo Train Set

Theme / Subtheme Trains / 4.5V / 12V
Year 1985
Pieces / Minifigs 495 / 3
Availability Retired
7722 LEGO Steam Cargo Train Set
Retail $68.50
Value $1,026.13
Growth  +1398.0%
Annual growth 5.5%

7715 Push-Along Passenger Steam Train

Theme / Subtheme Trains / 4.5V / 12V
Year 1985
Pieces / Minifigs 449 / 5
Availability Retired
7715 LEGO Push-Along Passenger Steam Train
Retail $39.75
Value $876.24
Growth  +2104.4%
Annual growth 8.2%

7817 Crane Wagon

Theme / Subtheme Trains / 4.5V / 12V
Year 1985
Pieces / Minifigs 147 / 1
Availability Retired
7817 LEGO Trains Crane Wagon
Retail $15.99
Value $167.56
Growth  +947.9%
Annual growth 6.2%

7835 Road Crossing

Theme / Subtheme Trains / 4.5V / 12V
Year 1985
Pieces / Minifigs 129 / 1
Availability Retired
7835 LEGO Trains Road Crossing
Retail $19.25
Value $125.91
Growth  +554.1%
Annual growth 5.0%

7727 Freight Steam Train Set

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces / Minifigs 570 / 2
Availability Retired
7727 LEGO Freight Steam Train Set
Retail $79.95
Value $1,275.79
Growth  +1495.7%
Annual growth 7.0%

7824 Railway Station

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces / Minifigs 478 / 9
Availability Retired
7824 LEGO Trains Railway Station
Retail $44.75
Value $285.40
Growth  +537.8%
Annual growth 3.0%

7838 Freight Loading Depot

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces / Minifigs 315 / 3
Availability Retired
7838 LEGO Trains Freight Loading Depot
Retail $29.99
Value $830.52
Growth  +2669.3%
Annual growth 5.6%

7815 Passenger Carriage / Sleeper

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces / Minifigs 228 / 2
Availability Retired
7815 LEGO Trains Passenger Carriage / Sleeper
Retail $12.50
Value $932.90
Growth  +7363.2%
Annual growth 7.3%

7866 Remote Controlled Road Crossing 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces / Minifigs 191 / 1
Availability Retired
7866 LEGO Trains Remote Controlled Road Crossing 12 V
Retail $59.50
Value $701.34
Growth  +1078.7%
Annual growth 4.1%

7819 Postal Container Wagon

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces / Minifigs 183 / 1
Availability Retired
7819 LEGO Trains Postal Container Wagon
Retail $10.50
Value $381.69
Growth  +3535.1%
Annual growth 5.4%

7755 Diesel Heavy Shunting Locomotive

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces / Minifigs 164 / 1
Availability Retired
7755 LEGO Trains Diesel Heavy Shunting Locomotive
Retail $49.99
Value $1,814.43
Growth  +3529.6%
Annual growth 6.0%

7821 Track & Lighting Maintenance Wagon

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces / Minifigs 90 / 2
Availability Retired
7821 LEGO Trains Track & Lighting Maintenance Wagon
Retail $7.50
Value $295.84
Growth  +3844.5%
Annual growth 7.2%

7867 4 Lighting Standards Electric 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1983
Pieces 52
Availability Retired
7867 LEGO Trains 4 Lighting Standards Electric 12 V
Retail $15.99
Value $217.94
Growth  +1263.0%
Annual growth 7.0%

7725 Electric Passenger Train Set

Theme / Subtheme Trains / 4.5V / 12V
Year 1981
Pieces / Minifigs 485 / 1
Availability Retired
7725 LEGO Electric Passenger Train Set
Retail $69.99
Value $2,068.52
Growth  +2855.5%
Annual growth 7.6%

7862 Remote Controlled Decoupling and Signal 12V

Theme / Subtheme Trains / 4.5V / 12V
Year 1981
Pieces 16
Availability Retired
7862 LEGO Trains Remote Controlled Decoupling and Signal 12V
Retail $24.99
Value $162.88
Growth  +551.8%
Annual growth 3.6%

7740 Inter-City Passenger Train Set

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 786 / 10
Availability Retired
7740 LEGO Inter-City Passenger Train Set
Retail $159.99
Value $1,402.11
Growth  +776.4%
Annual growth 5.1%

7730 Electric Goods Train Set

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 512 / 2
Availability Retired
7730 LEGO Electric Goods Train Set
Retail $99.99
Value $5,400.39
Growth  +5300.9%
Annual growth 9.5%

7710 Push-Along Passenger Steam Train

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 447 / 5
Availability Retired
7710 LEGO Push-Along Passenger Steam Train
Retail $59.99
Value $742.19
Growth  +1137.2%
Annual growth 16.2%

7720 Diesel Freight Train Set

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 425 / 3
Availability Retired
7720 LEGO Diesel Freight Train Set
Retail $69.99
Value $887.37
Growth  +1167.9%
Annual growth 4.6%

7822 Railway Station

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 384 / 3
Availability Retired
7822 LEGO Trains Railway Station
Value $3,337.37

7750 Steam Engine with Tender

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 263 / 2
Availability Retired
7750 LEGO Trains Steam Engine with Tender
Retail $75.00
Value $4,926.31
Growth  +6468.4%
Annual growth 10.0%

7820 Mail Van

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 212 / 2
Availability Retired
7820 LEGO Trains Mail Van
Retail $5.99
Value $407.28
Growth  +6699.3%
Annual growth 5.6%

7760 Diesel Shunter Locomotive

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 150 / 2
Availability Retired
7760 LEGO Trains Diesel Shunter Locomotive
Retail $29.99
Value $2,352.74
Growth  +7745.1%
Annual growth 10.4%

7816 Shell Tanker Wagon

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 120 / 1
Availability Retired
7816 LEGO Trains Shell Tanker Wagon
Value $243.90

7818 Passenger Coach

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 114 / 2
Availability Retired
7818 LEGO Trains Passenger Coach
Retail $5.99
Value $275.90
Growth  +4506.0%
Annual growth 9.1%

7814 Crane Wagon

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 113 / 2
Availability Retired
7814 LEGO Trains Crane Wagon
Retail $4.87
Value $380.50
Growth  +7713.1%
Annual growth 5.5%

7810 Push-Along Steam Engine

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 97 / 1
Availability Retired
7810 LEGO Trains Push-Along Steam Engine
Retail $19.99
Value $370.33
Growth  +1752.6%
Annual growth 4.1%

7834 Level Crossing

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces / Minifigs 91 / 1
Availability Retired
7834 LEGO Trains Level Crossing
Value $210.95

7864 Transformer / Speed Controller 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 33
Availability Retired
7864 LEGO Trains Transformer / Speed Controller 12 V
Retail $65.99
Value $143.97
Growth  +118.2%
Annual growth 5.0%

7850 8 Straight Rails Grey 4.5 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 32
Availability Retired
7850 LEGO Trains 8 Straight Rails Grey 4.5 V
Retail $9.25
Value $33.45
Growth  +261.6%
Annual growth 2.5%

7851 8 Curved Rails Grey 4.5 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 32
Availability Retired
7851 LEGO Trains 8 Curved Rails Grey 4.5 V
Retail $9.25
Value $14.54
Growth  +57.2%
Annual growth 1.0%

7861 Lighting Set Electric 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 28
Availability Retired
7861 LEGO Trains Lighting Set Electric 12 V
Retail $15.99
Value $73.64
Growth  +360.5%
Annual growth 3.7%

7860 Remote Controlled Signal 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 24
Availability Retired
7860 LEGO Trains Remote Controlled Signal 12 V
Retail $29.99
Value $201.10
Growth  +570.6%
Annual growth 4.4%

7865 Motor Replacement Unit for Battery or Motor-Less Trains 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 19
Availability Retired
7865 LEGO Motor Replacement Unit for Battery or Motor-Less Trains 12 V
Retail $29.99
Value $269.59
Growth  +798.9%
Annual growth 3.3%

7856 Left and Right Manual Points with Electric Rails Grey 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 16
Availability Retired
7856 LEGO Trains Left and Right Manual Points with Electric Rails Grey 12 V
Retail $19.99
Value $117.12
Growth  +485.9%
Annual growth 5.8%

7852 Left and Right Points Manual Grey 4.5 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 14
Availability Retired
7852 LEGO Trains Left and Right Points Manual Grey 4.5 V
Retail $11.99
Value $17.12
Growth  +42.8%
Annual growth 1.3%

7858 Remote Controlled Points Right 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 12
Availability Retired
7858 LEGO Trains Remote Controlled Points Right 12 V
Retail $29.99
Value $79.73
Growth  +165.9%
Annual growth 2.2%

7859 Remote Controlled Points Left 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 12
Availability Retired
7859 LEGO Trains Remote Controlled Points Left 12 V
Retail $29.99
Value $85.99
Growth  +186.7%
Annual growth 2.4%

7854 8 Straight Electric Rails Grey 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 8
Availability Retired
7854 LEGO Trains 8 Straight Electric Rails Grey 12 V
Retail $7.99
Value $24.17
Growth  +202.5%
Annual growth 3.9%

7855 8 Curved Electric Rails Grey 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 8
Availability Retired
7855 LEGO Trains 8 Curved Electric Rails Grey 12 V
Retail $7.99
Value $9.54
Growth  +19.4%

7863 Remote Controlled Point Motor 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 7
Availability Retired
7863 LEGO Trains Remote Controlled Point Motor 12 V
Retail $29.99
Value $65.13
Growth  +117.2%
Annual growth 2.8%

7853 Crossing, Grey 4.5 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 5
Availability Retired
7853 LEGO Trains Crossing, Grey 4.5 V
Value $16.11

7857 Crossing, Electric Rails Grey 12 V

Theme / Subtheme Trains / 4.5V / 12V
Year 1980
Pieces 5
Availability Retired
7857 LEGO Trains Crossing, Electric Rails Grey 12 V
Retail $9.99
Value $27.05
Growth  +170.8%
Annual growth 2.9%

165 Cargo Station

Theme / Subtheme Trains / 4.5V / 12V
Year 1978
Pieces / Minifigs 268 / 2
Availability Retired
165 LEGO Trains Cargo Station
Value $995.84

164 Passenger Coach

Theme / Subtheme Trains / 4.5V / 12V
Year 1978
Pieces / Minifigs 148 / 2
Availability Retired
164 LEGO Trains Passenger Coach
Value $341.38

Subtheme Details

Theme
Trains
Subtheme
4.5V / 12V
Sets
83   (all retired)
Minifigs
51
Years
1972 - 1986
Available
Retired
Pending release

Subtheme Pricing

Retail
~$1,971.50
New/Sealed
Value
$56,472.43
Annual growth
+5.39%  Low accuracy
Used
Value
$8,789.51

Yearly Pricing

Sets
Retail
Value
1986
3
$87.50
$1,034.09
1985
6
$312.49
$6,039.95
1983
9
$310.67
$6,735.85
1981
2
$94.98
$2,231.40
1980
28
~$840
$22,115.59
1978
4
N/A
$2,165.27
1977
3
N/A
$1,093.43
1976
8
~$157
$3,054.60
1975
6
$49.14
$3,572.66
1974
5
~$34
$2,862.18
1972
9
~$86
$5,567.41

Set Lifespans

The average lifespan of a Trains / 4.5V / 12V set is 35 months, 7867 4 Lighting Standards Electric 12 V had the longest lifespan of 75 months.
4 Lighting Standards Electric 12 V
Freight Loading Depot
Remote Controlled Road Crossing 12 V
Average (35 months)
Lifespan in months
0
37
75

Community Stats

4.5V / 12V is the second most popular subtheme in LEGO Trains for collectors. Here are the top most owned sets.
#18 Straight Rails Grey 4.5 V
#28 Straight Electric Rails Grey 12 V
#38 Curved Rails Grey 4.5 V
#48 Curved Electric Rails Grey 12 V
#5Steam Cargo Train Set
#6Remote Controlled Signal 12 V
#7Transformer / Speed Controller 12 V
#8Inter-City Passenger Train Set
#9Railway Station
#10High-Speed City Express Passenger Train Set

About LEGO Trains

LEGO Trains is one of the longer running themes that dates back from 1966 and ran up until 2006. During its run there were multiple sets released running on various power platforms from 4.5volt, to 9 and 12 volt sets. Later in 2011 LEGO released additional train sets using RC and Power Functions controllers under different themes like City.

45V
The LEGO 4.5V train theme ran from 1966 until 1971 and contained 39 sets in all. The 4.5V trains used to be the voltage standard for the first electric LEGO components where the power came from a battery box with 3x 1.5V batteries.

4.5V/12V
In 1969 LEGO released the 12 volt train sets as part of the Blue Era which was named because of the rail color. In 1972 LEGO released the 4.5V and 12V train sets as part of the Blue Era which was named because of the rail color. These train sets used additional conductor rails mounted between the standard 4.5V rails and 12V motors contained in the same housings as the 4.5V motors

9V
The introduction of the 9V LEGO trains in 1991 marked the end of the 4 and 12 volt sets. These 9V trains were characterized by integral molded dark Grey rail and tie assemblies with metal conducting rails which was later integrated in the LEGO World City theme line.