Going for BattleTech-y and simple:
4/6 tracked chassis, ICE engine. Turret-mounted AC/5, SRM-6, a pair of MGs, and a TAG (that device with glass front could be a targeting thing). Add CASE and use left-over tonnage for ferro-fibrous armor.
Not exactly a MBT but works as a light tank in BattleTech well enough, better in combined arms systems.
Realistically the "SRM-6" should be a Vehicular Grenade Launcher, maybe even two of them.
Tank
Mass: 45 tons
Tech Base: Inner Sphere
Motive Type: Tracked
Rules Level: Tournament Legal
Era: Age of War/Star League
Tech Rating/Era Availability: E/E-F-D-A
Production Year: 2750
Cost: 953 375 C-Bills
Battle Value: 553
Power Plant: 180 I.C.E.
Cruise Speed: 43,2 km/h
Flanking Speed: 64,8 km/h
Armor: Ferro-Fibrous
Armament:
1 Autocannon/5
1 SRM-6
2 Machine Guns
1 TAG
1 Unknown CASE
Manufacturer:
Primary Factory:
Communications System:
Targeting and Tracking System:
================================================================================
Equipment Type Rating Mass
--------------------------------------------------------------------------------
Internal Structure: Standard 25 points 4,50
Engine: I.C.E. Engine 180 14,00
Cruise MP: 4
Flank MP: 6
Heat Sinks: Single Heat Sink 0 0,00
Control Equipment: 2,50
Lift Equipment: 0,00
Turret: 1,50
Armor: Ferro-Fibrous AV - 116 6,50
Armor
Factor
Front 28
Left/Right 24/24
Turret 22
Rear 18
================================================================================
Equipment Location Heat Spaces Mass
--------------------------------------------------------------------------------
Autocannon/5 T 1 1 8,00
2 Machine Guns T 0 2 1,00
SRM-6 T 4 1 3,00
TAG T 0 1 1,00
CASE BD - 1 0,50
@MG (1/2) (100) BD - 0 0,50
@AC/5 (20) BD - 0 1,00
@SRM-6 (15) BD - 0 1,00
BattleForce Statistics
MV S (+0) M (+2) L (+4) E (+6) Wt. Ov Armor: 4 Points: 6
4t 2 2 1 0 2 0 Structure: 3
Special Abilities: TAG, CASE, EE, TUR(2/2/1)