Here's a shot of Tankenstein's Tank Mode.  
Here's footage of the Blue Ranger by Tankenstein's Tank Mode.
Here's another shot of Tankenstein's Tank Mode.
Here's another shot of the Tank Mode.
Here's another shot of Tankenstein in Tank Mode.
Here's a shot of the Galactic Rover.
This shot of Tankenstein is new footage.
Here's new footage of Giant Tankenstein.
Here's another new shot of Giant Tankenstein.
As soon as you see the Mega Voyager, it's back to Sentai footage.
All of the remaining Giant footage as well as remaining footage is Sentai footage which ends once it goes to commercial break.
All shots of the Mega Voyager debris is new footage.

For Sentai footage used in it ep as well as other info, please check Mega 51