It has armor now. You could ditch 2 SRM-6 and upgrade the engine to 4/6 speed as well.
SRM Carrier (Standard)
IS advanced
60 tons
BV: 1,054
Cost: 2,539,200 C-bills
Movement: 3/5 (Tracked)
Engine: 180 Fuel Cell
Internal: 24
Armor: 136
Internal Armor
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Front 6 41
Right 6 34
Left 6 34
Rear 6 27
Weapon Loc Heat
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SRM 6 FR 4
SRM 6 FR 4
SRM 6 FR 4
SRM 6 FR 4
SRM 6 FR 4
SRM 6 FR 4
SRM 6 FR 4
SRM 6 FR 4
SRM 6 FR 4
SRM 6 FR 4
Ammo Loc Shots
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SRM 6 Ammo BD 15
SRM 6 Ammo BD 15
SRM 6 Ammo BD 15
SRM 6 Ammo BD 15