Whilst the Ke-Ho was built with Type 1 47mm gun, there are reports that the Type 2 57mm gun was tested on it as well. Since Chi-Nu with different gun became Chi-Nu II, its safe to assume that Ke-Ho with the 57mm High Velocity Gun is Ke-Ho II.
Weight: 10ton
Engine: 150hp
Power to Weight: 15hp/t
Max Speed: 50kph
Armour: 20mm Thick
Firepower: Type 2 57mm Tank Gun
Type 1 APHE (2.7kg) at 800m/s
Penetration:
104mm @ 0m at 0 ° – 800m/s
45mm @ 0m at 60 °
82mm @ 500m at 0 ° – 679m/s
36mm @ 500m at 60 °
65mm @ 1000m at 0 ° – 576m/s
30mm @ 1000m at 60 °
[Ballistic Factor of 4700]
Type 3 HEAT
Penetration: 55mm
It also shoots the same HE shell as the low velocity 57mm gun on Chi-Ha.