Complex sentence: It was a single 20 mm, Type 2 gun mounted on a Type 98,4-ton half-track known by the designation, Type 98 Half-tracked Prime Mover Ko-Hi.
Split into simpler sentences: It was a single 20 mm, Type 2 gun mounted on a Type 98,4-ton half-track. The vehicle was known by the designation, Type 98 Half-tracked Prime Mover Ko-Hi.