3 CYL Highway Tractor

3120 parts and diagrams. The 3120 is part of New Holland's 3/4 CYL 65-75 range in the AGRICULTURAL line (AG equipment). Clinton Tractor carries 1183 replacement parts for this model, organized across 16 sections including Brakes, Cab And Roll Bars, Cooling System, Decals, Electrical Systems, Engine, Front Axle & Steering, Fuel System. Browse the exploded parts diagrams to find the exact 3120 part you need by callout number, with OEM cross-reference and fitment.