The McCormick 3429983M1 is a genuine OEM pinion gear designed for various agricultural machinery. This durable 10-tooth pinion ensures reliable power transmission within the drivetrain. It is compatible with Massey Ferguson 100, 200, 500, and 600 series tractors, Landini 5830, 6030, 6830, 7830, 8830, 9080, 9880 models, and McCormick CX series tractors including CX50, CX60, CX70, CX80, CX90, and CX100. The pinion measures approximately 100 mm in length and has a shaft diameter of 40 mm, with a weight of 0.5 kg.