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LEGO → System → Trains → 4.5V
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7821 Track Maintenance Vehicle is a Trains 4.5V set released in 1983. It includes a train repair car, a railroad light post, and 2 repairmen minifigures.


The railroad car is mostly black and yellow. The car has bumpers on either end. There is a turntable bridge for the repairman on the car.

The accessories included are a shovel, a wrench, and a pick axe.

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