But we're missing 55 and 95 ton mech chassis.
To that, here's an option to fill in those blanks (listing only mechs with 3 or more variants):
55 Tons:
Dervish DV-6M (Technical Readout 3025, .62-63)
-Dervish DV-7D (Technical Readout 3050, pp. 126-127)
-Dervish DV-8D (Technical Readout 3050 upgrade, p. 62 under "variants")
Kintaro KTO-18 (Technical Readout 3025 revised, pp. 66-67)
Kintaro KTO-19 (Technical Readout 2750, pp. 32-33)
-Kintaro KTO-20 (Technical Readout 3050 pp. 132-133)
Shadow Hawk SHD-2H (Technical Readout 3025, pp.58-59)
Shadow Hawk SHD-2D (Technical Readout 3025, p.58 under "variants")
Shadow Hawk SHD-2K (Technical Readout 3025, p.58 under "variants")
-Shadow Hawk SHD-5M (Technical Readout 3050, pp. 136-137)
Wolverine WVR-6A (Technical Readout 3025, p. 70 under "variants")
Wolverine WVR-6M (Technical Readout 3025, p. 70 under "variants")
Wolverine WVR-6R (Technical Readout 3025, pp. 70-71)
-Wolverine WVR-7D (Technical Readout 3050, pp. 138-139)
-Wolverine WVR-7M (Technical Readout 3050, p. 138)
----------------------------
95 Tons:
Banshee BNC-3E (Technical Readout 3039, pp. 166-167)
Banshee BNC-3M (Technical Readout 3039, p. 166 under "variants")
Banshee BNC-3Q (Technical Readout 3039, p. 166 under "variants")
Banshee BNC-3S (Technical Readout 3039, p. 166 under "variants")
-Banshee BNC-5S (Technical Readout 3050, pp. 204-205)
Note: Variants preceded with a dash might not yet be available in MWO's current chronology.
*edited to remove 45 and 75 ton mechs from the list as the Blackjack and Orion have been announced (thanks to focuspark and Adridos for pointing this out)
Edited by Cannibal Cat, 08 February 2013 - 05:33 PM.