4 Athearn Locomotives Pulling Power Test 1

2 years ago
32

We're using a dynamometer to test the pulling power of 4 Athearn Blue Box locomotives. pre-1981 F7, pre-1981 GP9, SW1500 Calf and pre-1981 F45. Also we get to hear the sound systems from the F7 and the 3 SD40-2s.

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