New Holland 81863254 Crown Wheel Pinion Assembly

The 81863254 crown wheel and pinion set is a bevel gear assembly designed for the mechanical front-wheel drive (MFWD) front axle on Ford New Holland 40-series tractors. It features a 10/32 tooth ratio (Z=10/32) to transmit torque between intersecting shafts at right angles within the differential. Engineered as a direct replacement for Carraro axle model 709 (OEM CAR65704), this gear set ensures precise power transmission and operational efficiency. It is constructed from case-hardened alloy steel for high contact fatigue strength and wear resistance under heavy agricultural loads. Cross-references include CNH part numbers 0.900.0676.2, 90006762, 17581863254, and aftermarket references VPJ8012 and A-81863254. Unit weight is approximately 6.1 kg (13.45 lbs).