T78398: 3rd and 4th Speed Helical Gear | Shop.Deere.com
Original
T78398: 3rd and 4th Speed Helical Gear
Part Number: T78398
Parts Tier: Original
John Deere third and fourth speed helical gear transmits torque between transmission speeds for dependable machinery performance
Helical design in this gear allows controlled power transfer, supporting smooth shifting between third and fourth speeds
Wear-resistant teeth on this gear help extend service life by reducing wear during repeated use in demanding applications
Quiet operation from this gear's helical profile helps reduce vibration and noise within the drivetrain system during use
OEM-compatible fitment of this gear supports straightforward integration or replacement within compatible assemblies
Product Dimensions
Weight
3.99 lb
Height
4.1 in
Length
4.3 in
For the most accurate fit and confidence, please select the equipment you are shopping for. Parts can be used across a number of different models, the models shown here indicate general fit of the part.
210C
482C
Generally, parts purchased from Shop.Deere.com are covered by the John Deere Parts Warranty, covering defects in material and workmanship, for a minimum period of 6 months from receipt. For complete warranty information, please contact your local authorized John Deere dealer.
