In order to fix this Scania cooler on Tamiya chassis. Original front crossmember & cabin hinge must be first replaced with Stainless Steel Cabin Hinge & Bumper Stay Kit.
Shift Servo & mounting required to reposition on your chassis.
Floor panel(P5) required to cut and trim in order to fit the cooler.
You may use below link for order Stainless Steel Cabin Hinge & Bumper Stay Kit.