THIS SEAT IS RATED @ 40Kg-130Kg RH AIR SUSPENSION SEAT ASSY ASSEMBLY HI BACK LOW BASE UNIVERSAL ALL FM FK MODELS 1985-1995 FK415 6D14 1985-1991 SINGLE SQUARE HEADLAMP FK415 6D14 1991-1995 TWIN ROUND HEADLAMPS FK417 6D16 1989-1991 SINGLE SQUARE HEADLAMP FK417 6D16 1991-1995 TWIN ROUND HEADLAMPS FK455 6D14 1986-1989 SINGLE SQUARE HEADLAMP FK457 6D16 1989-1991 SINGLE SQUARE HEADLAMP FK457 6D16 1991-1995 TWIN ROUND HEADLAMPS FM515 6D14 1985-1989 SINGLE SQUARE HEADLAMP FM517 6D16 1991-1995 TWIN ROUND HEADLAMPS FM555 6D14 1987-1991 SINGLE SQUARE HEADLAMP FM557 6D16 1989-1991 SINGLE SQUARE HEADLAMP (AIR/HYD BRAKES) FM557 6D16 1991-1995 TWIN ROUND HEADLAMPS (FULL AIR BRAKES) SEAT COMES WITH ADAPTOR PLATE (s) AND PUSH TO CONECT AIR LINE JOINER. DOES NOT COME WITH INSTRUCTIONS OR BOLTS PLEASE NOTE IF YOU ARE NOT MECHANICALLY MINDED THIS IS NOT FOR YOU. WE HAVE SOLD THE SEAT & PLATE(s) TO SUIT MODELS LISTED ABOVE WITH SUCCESS