This is all the crap I carry around with my 4 x 5.
Polaroid back and film
Kodak TMax and EPP film in 4x5 ready loads.
12 Sheets of Ilford Delta 100 in film, holders
Kodak ready load back.
Wista 6x9 cm roll film back.
Shen Hoa 6x17 cm roll film back back
Manfrotto 190CXPRO4 Carbon Fiber Tripod and short column
Vivitar SMS 30 flash
FujiFilm 4x loupe
About 20 filters in 77mm and flat filters
Electric Kitchen timer
Luna Pro F light meter
Wista DX-III with International and Graflex back
A variety of 120 roll film in black and white and color
Rodenstock 55mm Grandagon
Schnieder 90mm Angulon
Schneider 135mm Symmar-S MC
Schnieder 210mm Symmar-S MC
2 Shower caps
2 cable releases
Adapters for the filters.
Gnass Lens case
Gnass Film holder carrier
I don't know what this whole setup weighs -- but I think about 40 pounds.