Sprockets for Tracked Equipment
John Deere 319D Sprockets
Replacement sprockets for John Deere 319D tracked equipments. Drive the track and transfer power from the final drive. Wholesale pricing with fast shipping from our Houston warehouse.
Researched Part Numbers for John Deere 319D
Research-Based Fitment Data: The following part numbers have been researched for compatibility with John Deere 319D tracked equipments. Part numbers and fitment vary by serial number range.Please call 346-438-6252 with your machine serial number to confirm exact fitment before ordering.
Research-Based Fitment — Call to Confirm
T254141
drive sprocket
John Deere 325G / 331G / 333G Drive Sprocket T254141
Primary Part Number
T254141
Alternate / Interchange Numbers
Supersession / Interchange Notes
John Deere T254141 supersedes T370852 and T448100.
Compatible Machines
John Deere 317G, 319D, 319E, 323D, 323E, 325G, 329D, 329E, 331G, 331P, 333D, 333E, 333G and CT332/CT333 compact track loaders. 17 teeth, 10 bolt holes, ID 9 in, OD 18-3/4 in.
Mount Type / Chassis Notes
Drive sprocket, 17 teeth, 10 bolt holes, inside diameter 9 in, outside diameter 18-3/4 in, flat profile. Pairs with bottom roller AT366460. Confirmed across Abilene, Prowler, Discount Tracks, TractorPartsASAP, HRParts, AMT.
Serial Number Specific
333G PIN range F387881-468161 (PC15385); D-series 319D/323D/329D/333D s/n 192142 & later. Verify PIN before ordering.
Research-based fitment data. Please call with your machine serial number to confirm compatibility before ordering. Part numbers and fitment may vary by serial range.
346-438-6252 • Houston, TX
About Drive Sprockets for John Deere 319D
The drive sprocket is mounted directly to the final drive output and meshes with the track drive lugs. As the sprocket rotates, its teeth engage and push against the track lugs, propelling the machine forward or backward.
Sprocket teeth are precision-machined to match the track lug pitch and profile. Over time, teeth wear and can become hooked, sharp, or misshapen, causing inefficient power transfer and accelerated track lug wear.
Aftermarket sprockets are manufactured to OEM specifications using hardened steel alloys. Proper heat treatment ensures the tooth surface resists wear while the core remains tough enough to handle impact loads.
How Drive Sprockets Work
The sprocket receives rotational power from the final drive motor. As it turns, each tooth engages with a track drive lug, pushing the track around the undercarriage. The sprocket effectively acts as a gear, transferring all drive force to the track. Proper tooth-to-lug engagement is critical for efficient power transfer and track longevity.
Signs You May Need a Replacement Sprocket
Worn sprockets directly impact track life and machine performance. Early detection prevents costly track damage:
•Hooked or Sharp Sprocket Teeth
Normal wear causes teeth to develop a hook shape on the drive side. Severely hooked teeth grab and release the track lugs abruptly, causing skipping and premature lug wear.
•Track Slipping or Skipping Under Load
When sprocket teeth can no longer properly engage track lugs, the track may slip or skip, especially when pushing, climbing grades, or carrying heavy loads.
•Accelerated Track Lug Wear
Worn sprockets cause uneven contact with track lugs, concentrating wear on specific points. If track lugs are wearing faster than expected, inspect the sprocket.
•Visible Tooth Damage or Cracks
Chipped, cracked, or broken teeth cause track damage and uneven wear. Even one damaged tooth affects the entire track engagement pattern.
•Excessive Vibration During Travel
Worn sprockets create an irregular engagement pattern that causes vibration, noise, and jerky movement, especially at higher travel speeds.
•Track Derailment Issues
Severely worn sprockets may fail to maintain proper track engagement, contributing to track derailment during operation.
Fitment Verification
Sprocket specifications vary by machine model, serial number, and in some cases by track type. Tooth count, bolt pattern, and hub dimensions must match your machine exactly.
Some machines have serial number breaks where sprocket design changed during production. Providing your serial number ensures we match the correct part.
Our team can verify sprocket specifications including tooth count, bolt circle, and mounting dimensions before shipment.
Free Fitment Verification
Not sure which sprocket fits your John Deere 319D? Contact us with your serial number and we will verify the correct part at no charge.
Related John Deere 319D Parts
Complete your undercarriage maintenance with these related components for your John Deere 319D.
Get a Quote for John Deere 319D Sprockets
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Frequently Asked Questions About John Deere 319D Sprockets
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