First lets say we are talking about a balanced alpha where you can do it around 3 times without over heating. Not a one shot and shut down alpha.
Next lets not include super short range builds. Those should have large alphas because of the huge disadvantages they have.
So we are looking at short mid range to long range builds that can alpha around 3 times and are not gimped in a huge way just so you can make a point

Seems those saying things like we have lots of laser vomit alphas in the 60-80 range are wrong.
Best Timber Wolf build at the moment is probably this one. 48 Alpha http://mwo.smurfy-ne...3932df08caf3380
Hellbringer http://mwo.smurfy-ne...d3ad4bae0075cbe 50 Alpha and its really hot. 2 Alphas maybe?
Ebon jaquar 57 Alpha and hot and limited on alphas. And I think the EJ is going to get some negative nerfs in the future. http://mwo.smurfy-ne...9fa63674e12a952
Wolverine 32 Alpha http://mwo.smurfy-ne...0af55a6a9547830
StormCrow 46 Alpha http://mwo.smurfy-ne...2b6fbded10b92e0
Executioner. 61 Alpha but probably so hot it would not count. The 54 Alpha version is probably more managable for most people. http://mwo.smurfy-ne...f193990c5181edb
Stalker 54 Alpha but huge ghost heat so really not an alpha machine but figing in groups. http://mwo.smurfy-ne...dae3bc95797abf5
King Crab 57 Alpha and good heat. But it is a 100 ton mechs so about right I think. http://mwo.smurfy-ne...9ab07cca133ee73
Banshee 43 http://mwo.smurfy-ne...4d03bdfd1d77042
Warhawk 44 http://mwo.smurfy-ne...c5f44b087f2bf63
Warhawk laser vomit 59 but not really ment to alpha because of huge ghostheat. http://mwo.smurfy-ne...e697ba56e4a2472
Atlas 68 alpha but AC20 and SRM so short range and does not count. http://mwo.smurfy-ne...8655d71912cb3d8
Thunderbolt SS - 42 Alpha. http://mwo.smurfy-ne...9cea1863d0df921
Dire Wolf. 68. Ahh now here is one with a large alpha and decent heat. Also though 100 tons and slow moving. http://mwo.smurfy-ne...15b2a641fb07f7a