Mad Cat Mk II

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Mad Cat Mark II
Production information
Manufacturer Manufacturing Plant DSF-94
Production Year 3066[1][2]
Class Assault
Cost 24,036,900 C-bills
Technical specifications
Mass 90 tons
Chassis DSAM Endo 4
Armor Forging ZM15 Ferro-Fibrous
Engine Type 79 360 Fusion XL
Communications System Megaband System 21
Targeting Tracking System Dtrac Suite 4
Heat Sinks 14 Double Heat Sinks
Speed 65 km/h
Jump Jets Grandthrust Mk. 5
BV (1.0) 2,877[3]
BV (2.0) 3,135[4]


The Mad Cat Mk II was in development for fifteen months by the time production began in 3061[2]. The sole rationale for the Mad Cat Mk II was to increase profits for Clan Diamond Shark after war with the Inner Sphere in the 3050s. Designed to be sold to fellow Clans, this rebuild of the Timber Wolf carries thirteen tons of ferro-fibrous armor while being one of most nimble BattleMechs of its class, yet still packing serious weaponry.

Despite this, Mk II's most notable potential buyers, Clan Wolf and Clan Jade Falcon, did not purchase even a single unit, though they won some numbers in Trials. Significant numbers of Mad Cat Mk II were sold to Clan Nova Cat[5], and the Mech served also in Clan Ice Hellion[6], Clan Jade Falcon[7], Clan Wolf-in-Exile [8] in addition to Diamond Shark itself.[9]

On a limited basis, [10] Clan Diamond Shark sold unmodified Mad Cat Mk IIs to Inner Sphere factions, most notably the Draconis Combine and Federated Commonwealth, and also the Lyran Alliance[11] bought an unknown amount of Mad Cat Mark IIs.

Weapons and Equipment[edit]

The Mad Cat MK II's primary weapons are a pair of Gauss Rifles, each of which can strip off a ton of armor at six hundred and thirty meters. The rifles are supported by two LRM-10s which give the 'Mech indirect fire capability. For short range combat, four ER Medium Lasers can chew up what's left of the opposition. The Mech's primary role is long to medium range combat, with best performance within 450 meters where all of its weapons can reach the opponent.


  • Mad Cat Mk. II-Enhanced 
    Produced on the Manufacturing Plant DSF-IT1 on Itabaiana. This version uses several Advanced Technology systems to increase its effectiveness on the battlefield. Each arm carries an ER Large Pulse Laser and an ER Medium Pulse Laser, while a pair of LRM-10's provide long range firepower. Four jump jets allow the Mad Cat Mk. II Enhanced to cover 120 meters at a time. The top speed of the 'Mech was reduced to 54 km/h, however, due to the use of twenty-five tons of Hardened Armor. This protection, outweighing some 'Mechs, ensures that the Mad Cat Mk. II-Enhanced can continue to fight long after most of its foes have been destroyed. BV (2.0) = 2,732[12][13]
  • Mad Cat Mk. II
    This version of the Mad Cat Mk. II keeps a single Gauss Rifle, found in the right arm, and two ER Medium Lasers of the standard configuration. The torso LRM systems have been replaced by a quartet of Streak SRM-4s. The left arm houses a massive LB 20-X autocannon. Armor and movement profile remain the same, but to make room for the weapons this variant had to drop one heat sink, leaving it with thirteen. BV(2.0)=2,822[14]
  • Mad Cat Mk. II
    This variant removes the Gauss Rifles, jump jets, and one heat sink of the original and replaces them with a HAG/30 in each arm. The side torsos each mount an LRM-10 and a pair of ER Medium Lasers. A Light Active Probe is mounted in the head, and the remaining tonnage is given over to more armor protection. BV(2.0)=3,168[15]
  • Mad Cat Mk. II
    This variant of the Mad Cat carries two ER Large Lasers in each arm and a pair of LRM-15 launchers. A Light Active Probe identifies hidden units. It retains the 120 meter jump radius of the base model. BV (2.0) = 2,962[16]
  • Mad Cat Mk. II
    This version carries an ER PPC in each arm, backed up by a pair of ER Medium Lasers in each side torso. Each arm, leg, and torso location is equipped with a Harjel III repair system. BV (2.0) = 2,663[18]

Dark Age Variants[edit]

A post-Jihad upgrade of the Mad Cat Mk II replaces both Gauss Rifles, ER Medium Lasers and LRM-10s with four Witherer Heavy Large Lasers and two Type X "Short Bow" LRM-15s, offering greater firepower and far better battle endurance. [citation needed]

Other known, but personal, field-variants still replace the Gauss Rifles and LRM-10s with :

Finally, a Clan Sea Fox refit replaces all of the armament with one EMRG "Galaxy" Series Gauss Rifle, one Series 4D-2 Heavy Large Laser, and one Series 6A Heavy Medium Laser and improved jump jets - Improved Blasters Model X-1 - improving the jump capacity by 50%.

Design Quirks[edit]

The Mad Cat Mk. II-Enhanced variant is subject to the following Design Quirks:[12]


Like its predecessor, the original Mad Cat, the Mad Cat Mk II has been made the icon 'Mech for the franchise with the attempted re-imagining of BattleTech with WizKids Games' Dark Age miniatures game and storyline. However, the Mk II never actually appeared in Dark Age. There were a total of eight "Mad Cat II" models, but all of them were, rather than Mk II models, visually identical to the original Mad Cat. The Mad Cat II miniatures were explained to be direct upgrades to the original Mad Cat chassis.

The model was even used as the original Timber Wolf figure for the MechAssault set.



  1. Field Manual: Updates, p. 58
  2. Record Sheets: Upgrades, p. 149
  3. Record Sheets: 3067 Unabridged, p. 230
  4. Technical Readout: 3067, p. 132
  5. Combat Operations, p. 115
  6. Combat Operations, p. 116
  7. Combat Operations, p. 119
  8. Combat Operations, p. 112
  9. Technical Readout: 3067, p. 132
  10. Combat Operations, p. 132
  11. 12.0 12.1 Technical Readout: Prototypes, p. 153
  12. Record Sheets: Prototypes, p. 76
  13. Record Sheets: 3067 Unabridged, p. 231
  14. Record Sheets: 3067 Unabridged, p. 232
  15. Record Sheets: 3145 New Tech, New Upgrades, p. 175
  16. Record Sheets: 3145 New Tech, New Upgrades, p. 176
  17. Record Sheets: 3145 New Tech, New Upgrades, p. 177