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.
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