I have the following system in my 2.0 Peugeot Expert HDI:
500ltr tank fitted into chassis, 100 psi shurlfo pump, Varistream, Battery, DI filtration ( TDS OF 24!! ), hosereels and 100m of 8mm microbore fitted with ez snap ends
My poles:
1 x 50ft Carbon Fibre Super-light 2
2 x 17ft Glass Fibre Xtels
1 x 25ft Aluminium Brodex Pro-long
1 x spare 18ft Brodex Predator
Brushes:
4x various vikan brushes
1 x Super-lite brush ( Bentley )
1 x Ionics dual trim brush
My trad stuff:
Pointer, ladders, step ladders, ladder mats, rojack, trad pole, scrapers, buckets, gg3, oil flo 141, microfibre swivel, squeegees etc
Other stuff:
I carry spares for some things, like a spare pump and other little things and some tools. I alos carry my tds meter and a bag of resin.