The H4 was the first engine in a series of over 200 locomotives employed by the C&O railroad which operated more 2-6-6-2 articulated locos than any other railroad in the world. These locomotives were often referred to as “vest pocket articulateds” because they were small yet very powerful.

Features include:

- DCC sound equipped
- NMRA decoder with 8-pin plug
- die-cast boiler
- 5 pole skew-wound motor with hardened carbon brushes
- 2 flywheels
- geared drive
- electrical pickup on drivers
- operating LED headlight
- finescale metal detail parts, including metal cut levers and separately applied bell, whistle, domes and piping
- detailed cab interior with sliding windows
- RP25 wheel contours
- body mounted NMRA coupler pockets
- E-Z Mate® Mark II couplers on front and rear

Tender features:

- C&O VC12 Vandy tender
- accurate VC12 truck side frames
- easy decoder access
- detailed underframe with brake cylinder
- all-wheel electrical pickup
- hand tooled coal load
- detailed coal boards
- metal handrails and finescale rivet detail