HO F7A/F7B Locomotives with DCC and Sound (ATHG-1637)

HO-scale F7A/F7B locomotives with DCC and sound are detailed, ready-to-run diesel models that bring the iconic EMD F-unit to life on HO layouts. They feature authentic exterior and interior detailing—see-through cab interiors, windshield wipers, wire grab irons, lit signal lights and beacons, and a carefully modeled fuel tank. A heavy die-cast frame provides traction and stability, while all-wheel drive and RP25 wheel contours ensure smooth, quiet operation. Body-mounted McHenry scale knuckle couplers (Kadee compatible) and DCC-ready Quick Plug 21-pin NEM connectors support easy coupling and installation, with prototype-derived paint schemes for faithful roadname presentation.

Sound-equipped variants include an onboard DCC decoder with SoundTraxx Tsunami2, delivering engine, horn, and bell sounds that operate in both DC and DCC. Dual cube speakers and separate sound boards in the A and B units provide robust, balanced audio, and all DCC functions are NMRA-compatible. A CV chart lets operators tailor performance, lighting, and sound, with features such as beacons and Gyralight lighting to enhance prototype realism. The models support MU lashups and are designed for reliable, lifelike operation across a range of roadnames; some functions are limited when running on DC, but the full experience shines on a DCC layout.