4 CYL Orchard Tractor 40 Series

6640O parts and diagrams. The 6640O is part of New Holland's 40 SERIES range in the AGRICULTURAL line (AG equipment). Clinton Tractor carries 1351 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 6640O part you need by callout number, with OEM cross-reference and fitment.