Bay Area 55 & Bay Area Go Go Liner
Go Go Vehicles Victory Robo
The mecha in the second picture are as follows:
Red Ladder (Fire Truck)
Blue Thrower (Retardant Thrower Truck)
Green Hover (Hover Craft)
Yellow Armour (Arctic Survival Truck)
Pink Aider (Ambulance)
The above vehicles are carried into battle aboard the Bay Area Go Go Liner. They can then perform various rescue operations before combining into the Victory Robo.
The Victory Robo is armed with the Bureiba Sword, and can also perform the Ladder Bomber.
In ep #12, the team transforms the Go Go Liner into the Grand Liner!!
In ep #21, Mondo introduces his offspring to the MaxLiner, which becomes the MaxShuttle and LinerBoy (pictured above)
In ep #22, to defeat a giant Jilfeeza, the finally repaired Victory Robo (damaged in ep #20) combines with the MaxShuttle in MaxFormation to form the Max Victory Robo.