FM400 6x4 Tractor has a conventional multi-leaf spring front suspension with shock absorbers.

FM400 8x4 / 6X4 Rigid has option of parabolic leaf spring in front suspension.

Both tractor & tipper have lubrication free, robustly dimensioned leaf spring suspended bogie for tandem drive rear axles. The suspension is primarily adapted for handling the very heaviest transport assignments on rough road surfaces.