The DLSv3 lifters are each paired with a DEUCES upper stage. They can lift payloads to LKO ranging from 1.7T to 29.7T, with Kerbin sea-level TWR of 1.2 and 2400m/s of deltaV.

DLSv3 Delta II

Boosters: 4xRT-10
​Engine: LV-T45
Upper Stage: DEUCES mk 0
Payload to LKO: 1.7T

DLSv3 Atlas

Boosters: 2xLV-T30
Engine: LV-T45
Upper Stage: DEUCES mk I
Payload to KTO (w/ stage recovery): 1.3T
Payload to Mun/Minmus: 1.2T

DLSv3 Proton

Engines: 6xLV-T45
Upper Stage: DEUCES mk I
Payload to LKO: 6.5T

DLSv3 Atlas V

Boosters: 2xBACC
Engine: RE-M3
Upper Stage: DEUCES mk II
Payload to Duna/Eve Transfer (w/ stage recovery): 3.3T
Payload to Mun/Minmus: 8.5T
Payload to KTO (w/ stage recovery): 10.6T

DLSv3 Atlas V Medium

Boosters: 2xS1 SRB-KD25k
Engine: RE-M3
Upper Stage: DEUCES mk II
Payload to LKO: 29T