I need a crankbait that dives down to 20< feet in a color of nest robber, tennessee shad, or sunrise craw.

Bagleys used to make a bait with a one ounce plug in it... It would drag the bottom at any depth.

You can find them, but it's hard... I believe there's a DT20... You can make a rig to get to the bottom with a crankbait attached... Look these up on Google

http://www.***.com/Strike_King_10XD_Crankbait/descpage-SK10XD.html

I believe these dive 25 feet on around 14lb FC

Mann's Stretch series.

Long line a 6xd, they come in Tenn. Shad. Or if you, or your gear, is up to it, a 10xd will get down that far on a long cast, and it also comes in Tenn. Shad.

mann's 30+ cranks at BPS

Megabass deep six dives 20+

Long line a 6xd, they come in Tenn. Shad. Or if you, or your gear, is up to it, a 10xd will get down that far on a long cast, and it also comes in Tenn. Shad.

You'll be happy with the depth you can hit with both of these and they really catch fish. Plus, they won't wear you out.

Another vote for Mann's 30+.  Just a great lure. 

you better state ur rod b/c you might be getting into trouble with Mann 30+ or 10X. I have a Powell 703CB glass and Dobyns 805RMCB. both easily and comfortably cast 6X, Norman 22DD (love the HD), Mann 20+ and Bandit 700.  the Manns 30+ way overpowers both rods. I wouldn't try to cast it or a 10X unless I had a 806

I'll also have to say strike king 10XD

The biggest size Fat Free Shad, Hot Lips, and The Freak all get way down there. 

Bill Norman's DD22

Long line a 6xd, they come in Tenn. Shad. Or if you, or your gear, is up to it, a 10xd will get down that far on a long cast, and it also comes in Tenn. Shad.

This. Long lining is what we do here on Douglas in the summer. You can also use a Boo Rig to help get your cranks down deeper or even a big split shot about a foot up your line from the lure.

Thanks all ya guys. I think i'll go with strike king

Don´t neglect Mann´s crankbaits, Mann´s has the Stretch series ( 10+, 15+, 20+, 30+ ), they are affordable and work very well.

Lucky craft flat cb d20 and skt magnum.