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As of version 1.4 this decoupler is only available via pre-made crafts. The decoupler is replaced by the new TD-37 Decoupler.
Part image
Decoupler by
O.M.B. Demolition Enterprises
Cost (total) 600.00 Fund
Mass (total) 0.80 t [N 1]
Drag 0.2 [N 1]
Max. Temp. 2000 K
Impact Tolerance 9 m/s
Research Large volume containment.png Large Volume Containment
Unlock cost 1200 Fund
Since version 0.23.5
Part configuration Size3Decoupler
Ejection momentum 1000 Ns

  1. 1.0 1.1 The mass and drag are from the part config, but the game handles it massless/dragless.

The TR-38-D is the largest available decoupler in Kerbal Space Program. It is one of the few parts released in 0.23.5 for the extra large parts which are not manufactured by Kerbodyne. This part makes the usage of Kerbodyne KR-2L Advanced Engine possible in upper stages.

Product description

Originally designed to separate buildings that were stuck together, O.M.B has repurposed these explosive bolts for use in separating stacks of massive rockets.


  • Hidden from tech tree and part list
  • Initial release