Picture and version info taken from sarna, the masterunitlist and the Solaris Skunk Werks
| EXC-B1* | EXC-B2* | EXC-B2b | EXC-C1* | EXC-C1 'Cernunnos'* | EXC-C2* | EXC-D1* | |
|---|---|---|---|---|---|---|---|
| Overview | |||||||
| Type | Battlemech | Battlemech | Battlemech | Battlemech | Battlemech | Battlemech | Battlemech |
| Tonnage | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| Engine | 350 XL | 350 XL | 350 XL | 350 XL | 350 XL | 350 XL | 350 XL |
| Top Speed | 81 kph | 81 kph | 81 kph | 81 kph | 81 kph | 81 kph | 81 kph |
| Max. Engine | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
| Armor | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Internal Structure | Standard | Standard | Endo-Steel | Standard | Standard | Endo-Steel | Endo-Steel |
| Heat Sinks | 11 Single | 11 Single | 11 Single | 10 Double | 11 Double | 12 Double | 11 Double |
| Jump Jets | No | No | No | No | No | No | 5 |
| ECM Capable | No | No | No | No | Yes | No | No |
| MASC Capable | No | No | No | No | No | TSM | No |
| Weapons and Equipment | |||||||
| Head | ER Small Laser | ||||||
| Left Arm | Small Pulse Laser | Medium Laser | Medium Laser x2 | TSM Slot x2 | ER Medium Laser x2 | ||
| Left Torso | LRM-20 Artemis, AMS, LRM Ammo x2 | LRM-20 Artemis, LRM Ammo x2, CASE | LRM-20 Artemis, LRM Ammo x2, CASE | LRM-20 Artemis, LRM Ammo x2, CASE | LB 20-X AC (9 Slots) | LRM-20 Artemis, Targeting Computer | Stream SRM-6, Stream Ammo, CASE, Improved C3 Computer |
| Center Torso | Engine, AMS Ammo | Engine, AMS, AMS Ammo | Engine, AMS, AMS Ammo | Engine | Engine, LB 20-X AC (2 Slots) | Engine | Engine, Jump Jet |
| Right Torso | Gauss Ammo x2 | Gauss Ammo x2, CASE | Gauss Ammo x2, CASE | Gauss Ammo x2, CASE | ECM, LBX Ammo x3, CASE | ER Medium Laser x4, LRM Ammo x3, CASE | RAC Ammo x3, CASE, Targeting Computer |
| Right Arm | Gauss Rifle | Gauss Rifle | Gauss Rifle | Gauss Rifle | ER PPC | ER PPC, TSM Slot x2 | Rotary AC/5 |
| Left Leg | TSM Slot | Jump Jet x2 | |||||
| Right Leg | TSM Slot | Jump Jet x2 | |||||
| Hardpoints | |||||||
| Head | 1 Energy | ||||||
| Left Arm | 2(1) Energy (Available Actuators: Upper, Lower, Hand) | (Available Actuators: Upper, Lower, Hand) | (Available Actuators: Upper, Lower, Hand) | 3(1) Energy (Available Actuators: Upper, Lower, Hand) | 2 Energy (Available Actuators: Upper, Lower, Hand) | (Available Actuators: Upper, Lower, Hand) | 2 Energy (Available Actuators: Upper, Lower, Hand) |
| Left Torso | 3(1) Missile, 1 AMS | 4(1) Missile | 1 Missile | 3(1) Missile | 3(1) Ballistic | 1 Missile | 2(1) Missile |
| Center Torso | 1 AMS | 1 AMS | |||||
| Right Torso | ECM | 4 Energy | |||||
| Right Arm | 3(1) Ballistic (Available Actuators: Upper, Lower) | 4(1) Ballistic (Available Actuators: Upper, Lower) | 1 Ballistic (Available Actuators: Upper, Lower) | 2(1) Ballistic (Available Actuators: Upper, Lower) | 2(1) Energy (Available Actuators: Upper, Lower) | 1 Energy (Available Actuators: Upper, Lower) | 2(1) Ballistic (Available Actuators: Upper, Lower) |