7720-1

Diesel Freight Train Set, Battery

Set number: 7720-1
Year: 1980
Theme: 4.5V
Parts: 428
Minifigures: 3

Building instructions

The building instructions are on the official LEGO website. We do not host any instructions ourselves; the link below takes you to the official page.

View building instructions on LEGO.com (opens an external website)This set on Rebrickable (opens an external website)

Minifigures

fig-000733Man - Blue Jacket, Blue Legs, Red Hat1×4 parts
fig-001010Man - Blue Jacket, Blue Legs, Red Hat1×4 parts
fig-000285Man, Blue Shirt, Blue Legs, Red Hard Hat1×4 parts

Parts list – 7720-1 Diesel Freight Train Set, Battery

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101 lines, 416 pieces

Parts list of set 7720-1
Part	Name	Colour	Quantity
4083	Bar 1 x 4 x 2 with StudsBars, Ladders and Fences	Black	1×
3633	Fence Lattice 1 x 4 x 1Bars, Ladders and Fences	Light Gray	8×
3005	Brick 1 x 1Bricks	Red	14×
3005	Brick 1 x 1Bricks	Yellow	8×
3004	Brick 1 x 2Bricks	Black	2×
3004	Brick 1 x 2Bricks	Blue	4×
3004	Brick 1 x 2Bricks	Red	8×
3004	Brick 1 x 2Bricks	Yellow	11×
3010	Brick 1 x 4Bricks	Black	1×
3010	Brick 1 x 4Bricks	Red	7×
3010	Brick 1 x 4Bricks	Yellow	2×
3009	Brick 1 x 6Bricks	Black	8×
3009	Brick 1 x 6Bricks	Yellow	1×
3003a	Brick 2 x 2 without Inside RidgesBricks	Red	2×
3001	Brick 2 x 4Bricks	Black	1×
3298	Brick Sloped 33° 3 x 2Bricks Sloped	Light Gray	2×
3297	Brick Sloped 33° 3 x 4Bricks Sloped	Light Gray	11×
3039	Brick Sloped 45° 2 x 2Bricks Sloped	Light Gray	2×
3039	Brick Sloped 45° 2 x 2Bricks Sloped	Red	2×
3037	Brick Sloped 45° 2 x 4Bricks Sloped	Light Gray	2×
3665	Brick Sloped Inverted 45° 2 x 1Bricks Sloped	Black	16×
4070	Brick Special 1 x 1 with HeadlightBricks Special	Black	2×
4070	Brick Special 1 x 1 with HeadlightBricks Special	Red	8×
3581	Brick Special 1 x 1 x 2 with Shutter HolderBricks Special	Red	4×
3134	Brick Special 1 x 2 with Cable Holding Square CutoutBricks Special	Red	1×
3443c02	Battery Box, Train Car with Black Base, Red Wheels and MagnetsElectronics	Blue	1×
699	Battery Cover, Train Car Roof 6 x 14Electronics	Light Gray	1×
upn0259c01	Motor, Train, 4.5V 12 x 4 x 3 1/3 Type IIElectronics	Black	1×
upn0123c28	Wire with 2-Prong Connectors, 12V / 4.5V 28LElectronics	Light Gray	1×
3317	Brick Special 1 x 2 with Digger Bucket Arm HolderHinges, Arms and Turntables	Yellow	1×
3149bc01	Hinge Plate 2 x 5 with Large Hole [Complete Assembly]Hinges, Arms and Turntables	Black	1×
73092	Magnet CylindricalMagnets and Holders	Black	6×
4023	Train CouplingMagnets and Holders	Black	6×
3024	Plate 1 x 1Plates	Black	8×
3024	Plate 1 x 1Plates	Red	4×
3023	Plate 1 x 2Plates	Black	2×
3023	Plate 1 x 2Plates	Yellow	4×
3623	Plate 1 x 3Plates	Black	4×
3623	Plate 1 x 3Plates	Red	4×
3710	Plate 1 x 4Plates	Black	4×
3710	Plate 1 x 4Plates	Light Gray	2×
3710	Plate 1 x 4Plates	Red	4×
3710	Plate 1 x 4Plates	Yellow	5×
3666	Plate 1 x 6Plates	Black	15×
3666	Plate 1 x 6Plates	Light Gray	2×
3460	Plate 1 x 8Plates	Black	2×
3460	Plate 1 x 8Plates	Light Gray	2×
3832	Plate 2 x 10Plates	Black	2×
3022	Plate 2 x 2Plates	Black	6×
3021	Plate 2 x 3Plates	Black	2×
3021	Plate 2 x 3Plates	Yellow	2×
3020	Plate 2 x 4Plates	Yellow	1×
3795	Plate 2 x 6Plates	Black	4×
3795	Plate 2 x 6Plates	Red	5×
3795	Plate 2 x 6Plates	Yellow	1×
3032	Plate 4 x 6Plates	Light Gray	1×
3032	Plate 4 x 6Plates	Red	4×
3035	Plate 4 x 8Plates	Black	1×
3033	Plate 6 x 10Plates	Black	1×
3028	Plate 6 x 12Plates	Light Gray	2×
3027	Plate 6 x 16Plates	Black	1×
3036	Plate 6 x 8Plates	Black	1×
6141	Plate Round 1 x 1 with Solid StudPlates Round Curved and Dishes	Trans-Red	6×
6141	Plate Round 1 x 1 with Solid StudPlates Round Curved and Dishes	Trans-Yellow	6×
4081a	Plate Special 1 x 1 with Clip Light, Bar Hole [Thin Ring]Plates Special	Black	2×
3794a	Plate Special 1 x 2 with 1 Stud without Groove (Jumper)Plates Special	Black	8×
4175	Plate Special 1 x 2 with LadderPlates Special	Light Gray	2×
191895	Sticker Sheet for Set 7720-1Stickers	[No Color/Any Color]	1×
3314	Construction Vehicle Bucket Arm, Small - 2 x 6 x 2Transportation - Land	Black	1×
3433	Construction Vehicle Bucket Smooth 3 x 5 x 1 & 1/3Transportation - Land	Yellow	1×
3829c01	Steering Stand 1 x 2 with Black Steering WheelTransportation - Land	Yellow	1×
4022	Train Buffer BeamTransportation - Land	Black	4×
3488	Train Buffer SingleTransportation - Land	Black	4×
3218	Train Direction Switch - 4.5V 2 x 3Transportation - Land	Red	1×
815c02	Train Level Crossing Gate Type 1, Assembly with Blue Base & Red Handle (Left)Transportation - Land	White	1×
815c01	Train Level Crossing Gate Type 1, Assembly with Blue Base & Red Handle (Right)Transportation - Land	White	1×
upn0387	Train Signal Circuit-Breaker BarTransportation - Land	Red	1×
upn0262	Train Signal PostTransportation - Land	Red	1×
767	Train Track Sleeper Plate 2 x 8 without Cable GroovesTransportation - Land	Dark Gray	40×
4178	Vehicle Base, Train 6 x 16Transportation - Land	Black	1×
813	Vehicle Track, Train, Level Crossing BaseTransportation - Land	Light Gray	1×
812	Vehicle Track, Train, Level Crossing Center Rail Cap Insert 2 x 14 x 2/3Transportation - Land	Light Gray	1×
3230b	Vehicle Track, Train, Slotted Rail Curved InsideTransportation - Land	Light Gray	16×
3229b	Vehicle Track, Train, Slotted Rail Curved OutsideTransportation - Land	Light Gray	16×
3228b	Vehicle Track, Train, Slotted Rail StraightTransportation - Land	Light Gray	8×
122c01	Plate Special 2 x 2 with Wheels RedWheels and Tyres	Black	2×
upn0383a	Train Wheel Spoked for MotorWheels and Tyres	Red	4×
4084	Tyre 21 x 8 Offset Tread MediumWheels and Tyres	Black	4×
458	Tyre for Train Wheel for Electric Train Motor 12VWheels and Tyres	Light Gray	4×
4180c04	Wheels Train Spoked Small (23mm D.) and Black Brick, Modified 2 x 4 [Red]Wheels and Tyres	Red	4×
4181	Door 1 x 4 x 5 Train LeftWindows and Doors	Red	2×
4182	Door 1 x 4 x 5 Train RightWindows and Doors	Red	2×
4183	Glass for Train Door Lip On Top and BottomWindows and Doors	Trans-Clear	4×
4036	Glass for Train Window 1 x 2 x 3Windows and Doors	Trans-Clear	1×
4034	Glass for Train Window 1 x 4 x 3Windows and Doors	Trans-Clear	1×
3081c01	Window 1 x 2 x 2 Classic, Short Lip, Hollow Studs [with Glass]Windows and Doors	Red	4×
3582	Window 1 x 2 x 2 ShutterWindows and Doors	Red	4×
3856	Window 1 x 2 x 3 ShutterWindows and Doors	Yellow	8×
4035	Window 1 x 2 x 3 TrainWindows and Doors	Red	1×
3853	Window 1 x 4 x 3Windows and Doors	Yellow	4×
4033	Window 1 x 4 x 3 Train with All Studs HollowWindows and Doors	Red	1×