- Reproduces the locomotive as it appeared after its general inspection completed in September 2018.
- The cab roof faithfully reproduces the configuration with train radio antennas mounted at both ends, as well as the number and arrangement of ventilators, which differ from those on previously released DD51 models.
- The cab reproduces the configuration fitted with tablet protectors on the sides.
- Windshield wipers are reproduced on the front cab windows.
- Faithfully reproduces the white appearance of the prototype's tail lights when unlit.
- Operating headlights with warm-white LEDs.
- Arnold couplers are fitted as standard. Replacement KATO knuckle couplers are included.
- Equipped with a flywheel drive unit for smooth and stable operation.
- Includes the essential "Yamaguchi" headmark used when hauling the SL Yamaguchi, as well as a "Yabusame Tsuwano" headmark.