Just quickly off the top of my head...

* Yellow "binoculars" with the Gatling gun belongs to G1.5 Deftwing.
* Square blue chest plate - G1 Doubledealer
* "Jet" blue chest plate - G1 Ultra Magnus
* yellow spoiler - G1 Hot Rod
* blue bonnet w/ purple pin stripe - G2 Skram
* long black rifle - G1 Rodimus Prime
* Big orange rifle (w/ airbrushing) - Optimal Optimus
* chrome blue knee pad - Transmetal Optimus Primal
* black 'crescent' shaped missile - Beast Wars Ultra Megatron
* large silver chest plate and ramp - G1 Onslaught
* Hornet's bum missile launcher - Injector (and I think that's one of his legs next to it)
* black, red and purple leg and arm - Terrorsaur
* grey and orange Beast Wars Transformer arm and bits - Armordillo
* spaceship - The Ark (Titanium Series)
* purple/grey missile launcher - Tarantulas (missing string and missile)
* light and dark blue missile launcher - G1 Boss (like a boss!)
* grey robot w/ blue legs missing right arm - G1 Pincher
* Badly scratched chrome weapons - G1 Steeljaw
* long red rifle - Transmetal Waspinator
* gorilla face - Ultra Optimus Primal
* blue Cyber Key - Cybertron Leader Optimus Prime
* white helicopter tail - Cybertron Voyager Evac
* missile launcher w/ yellow missile and white bayonet - Cybertron Deluxe Snarl
* mechanical claw arms - G1 Rescue Force 1 (aka "Killbison")
* large horned weapon - Ramulus
* beige and maroon leg just beneath Ramulus' weapon - Razorbeast
* bat wing arm - Transmetal II Sonar
* black G1 missile launcher - Jazz
* arm next to Cyber key - Transmetal Rattrap
* 'bent' insect leg - BW Inferno
* grey trailer - Erector
* white sword blade half - BW Silverbolt (Magnaboss)
* brown and yellow arm - BW Iguanus
* black fist - G1 Thundercracker, Thrust, Dirge or Ramjet
* G1 jet stablisers and tail fin - Thundercracker

As for the figures themselves, try using TFU.info's figure identification feature, then get back to us if there's still anything you can't ID.

Quote Originally Posted by Danzvader78 View Post
I am not sure why there is two dark grey and one light grey Optimus Prime trailers... I am starting to think they would make great custom trailers e.g Pepsi logo on the sides The trailer body are only missing the back ramp door
The light grey trailer is from the Universe reissue (aka "Pinkimus Prime").
http://www.tfw2005.com/transformers-...1218810447.jpg