Cossack (BattleMech)

This article is about the 20-ton BattleMech. For the DropShip, see Cossack (Individual Union-class DropShip).
Cossack (BattleMech)
Production information
Manufacturer Ceres Metals Industries[1]
Production Year 3060[2]
Model C-SK1
Class Light
Cost 2,362,440 C-bills
Technical specifications
'Mech type Inner Sphere BattleMech
Mass 20 tons
Chassis Taijian Series X endo steel
Armor ArcShield VII Mk. 6
Engine Hermes 120 XL engine
Communications System Endicott Type 22 Master
Targeting Tracking System Wentland Cyber-Track
Heat Sinks 10 single heat sinks
Speed 97.2 km/h
Jump Jets Pitban LFT-65
BV (1.0) 374[3][4]
BV (2.0) 465[1][5]


The Cossack is named after the mercenary unit Khorsakov's Cossacks in honor of their faithful service to the St. Ives Compact. The Cossack is a practice in compromise, originally requested as the fastest 'Mech that Ceres Metals Industries could produce, the emphasis of the design changed throughout its development to a slow moving, heavily armored light 'Mech. The final design that was accepted became the current incarnation of the Cossack, built on a weight saving Taijian Series X endo steel chassis, and mounting a lightweight Hermes 120 XL engine that gives the 'Mech a top speed of 97.2 km/h. Six Pitban LFT-65 jump jets allow the Cossack to jump up to 180 meters, allowing the 'Mech to easily handle the roughest terrain. For protection, the Cossack has three tons of armor and has 10 single heat sinks to handle the heat produced by the weapons payload carried by the 'Mech. Overall, the compromises that created the Cossack turned it into a light trooper 'Mech that works well as part of a team, but alone excels at no one role.[1]

Weapons and Equipment[edit]

The primary weapons on the Cossack are a Kajuka Type 2 "Bright Blossom" medium laser and a MilDouglas "Duke" SRM-6. These are backed up by a pair of Jackson Model 12 small lasers. While this is not an impressive arsenal, the Cossack is capable of defending itself from most light 'Mechs and vehicles.[1]


Design Quirks[edit]

The Cossack has the following Design Quirks:[7]


  • In German products, the unit's proper name was translated to Kosak. The model code was accordingly changed to K-SK1.



  1. 1.0 1.1 1.2 1.3 Technical Readout: 3060, pp. 72–73: "Cossack Profile"
  2. MUL online date for the Cossack (BattleMech)
  3. Combat Operations, p. 123
  4. Record Sheets: 3060, p. 52
  5. Record Sheets: 3060 Unabridged, p. 103
  6. Record Sheets: 3060 Unabridged, p. 104: Cossack variant listed in unabridged PDF record sheet book.
  7. BattleMech Manual, p. 90: BattleMech Quirk Table - Cossack Entry