T3 HMC characteristics
Firepower
- Damage
- 45hp
- Penetration
- 64mm
- DPM
- 1,080
- Reload
- 2.50s
- Rate of fire
- 24.00/min
- Aim time
- 1.70s
- Accuracy
- 0.380m
- Dispersion moving
- 0.380
- Shell velocity
- 792m/s
- Caliber
- 40mm
- Gun depression
- 21°
- Gun elevation
- 7°
Mobility
- Top speed
- 72km/h
- Reverse speed
- 7km/h
- Engine power
- 288hp
- Power/weight
- 31.4hp/t
- Hull traverse
- 34.0°/s
- Turret traverse
- 50.0°/s
- Hard terrain
- 1.30
- Medium terrain
- 1.40
- Soft terrain
- 2.00
Survivability
- Hit points
- 176hp
- Hull armor (front)
- 16mm
- Turret armor (front)
- 16mm
- Fire chance
- 0%
- Ammo rack HP
- 85hp
- Track HP
- 60hp
Spotting & other
- View range
- 270m
- Signal range
- 265m
- Camo (still)
- 0.3%
- Camo (moving)
- 0.2%
- Weight
- 9.2t
T3 HMC historical reference
Light SPG for infantry and tank support. Developed in 1938 on the M1A3 chassis. Only one prototype was built. The trials demonstrated a number of technical and functional problems, and the vehicle never saw service.