This is the belt which goes from the engine to the gearbox to drive the wheels.
Hayter Heritage RS82 Ride On lawnmower Rear Drive Axle Transmission Gwo
Transmission Drive Belt, Hayter Heritage M10/30 Codes 133 Ride On Mower MU37x110
Genuine DUNLOP HAYTER Heritage ST38 150A ST42 151 TRANSMISSION DRIVE BELT 37X121
Hayter Murray 13/30 12/30 12hp30 1330 12 30 deck blade drive belt 37x74 1992 on
Hayter Murray 13/30 12/30 1330 12 30 KEV deck blade drive belt 37x74 1992 on