I'll have a go at it!
Guitars (from his wiki article:
http://en.wikipedia.org/wiki/Mark_Knopfler)
Artist Series Fender Stratocaster (found on the Fender website:
http://www.fender.com/products/search.php?partno=0117800815)
Fender Stratocasters including a 1954 (one of the first ever produced) which he has named "Jurassic Strat"
Fender Telecasters
Gibson Les Pauls
Danelectro 59-DCs
Pensa Custom custom-built solid body guitars. Also models MK-1 MK-2 & MK-80, which Pensa named in honor of Knopfler.
Various Schecter Guitars.
National Style 0 Resonator guitar(dobro) , as used on "Romeo and Juliet".
Ramirez Spanish Guitar, used on "Postcard from Paraguay"
Note: his first guitar was a Hofner V-2 he bought in 1964.
Amps:
http://en.wikipedia.org/wiki/Image:MK-Ott-sm.jpg
He uses some kind of vintage marshall cabs in this pic.
Here's a pic with a better shot in this forum:
http://www.kennyf.com/thecrossroadz/viewtopic.php?f=3&t=21
It seems he used Marshall cabs with Reinhardt heads.
That's all I could find in my first search. I'll add more gear to the list as I discover it.