ADC Model 141 is identical to Model 140 except that it is ENTIRELY STRAIGHT IN LAYOUT and No. 1403-B Live-End Pulley is used instead of No. 1403. ADC Model 141 is equipped with No. 4201 Single Carriers and No. 1402 Master Carriers. Also available with a black finish at additional cost (241). Please click on the links below to see the parts and components related to these tracks.