Construction Data on the WE-3 and WE-4, for mainly 2160s ships like the Franklin, from Star Trek: Beyond.

WE-3 (2145)
Space: Size+1
Speed: 1.2/2/3
Maximum Size: 5
Reliability: B

WE-3d (2155)
Space: Sizex2
Speed: 2/3/3.5
Maximum Size: 6
Reliability: AA

WE-4 (2145)
Space: Size
Speed: 2/3/4
Maximum Size: 4
Reliability: B

WE-4a (2161)
Space: Sizex2
Speed: 3/4/4.2
Maximum Size: 5
Reliability: B

WE-4b (2161)
Space: Sizex2+1
Speed: 4/4.2/4.5
Maximum Size: 5
Reliability: AA

WE-4c (2174)
Space: Half Size
Speed: 3/3.4/4.7
Maximum Size: 4
Reliability: A

WE-4d (2176)
Space: Half Size+2
Speed: 3.6/4.2/4.8
Maximum Size: 5
Reliability: B

WE-4E (2179)
Space: Half Size
Speed: 4.2/4.5/4.9
Maximum Size: 6
Reliability: C