MTH Z-4000 400 Watt Advanced Digital Transformer for MTH ProtoSounds Locomotives

MTH 40-4000 O Z-4000 400W Dual Control Transformer LN

MTH Hobby Transformer Z-4000 40-4000

O Gauge MTH Z4000 Dual Transformer

40-4000 MTH Transformer NEW IN A SEALED BOX NO SHIPPING

MTH Z-4000 400 WATT DUAL CONTROL TRANSFORMER 40-4000! O SCALE O GAUGE

Lionel ZW 6-32930 transformer 2 180 watt bricks PH-1 Run 4 trains 360 watts C-8