Bottom Rollers for Compact Track Loader
Bobcat T590 Bottom Rollers
Replacement bottom rollers for Bobcat T590 compact track loaders. Support and distribute machine weight across the track. Wholesale pricing with fast shipping from our Houston warehouse.
Verified Part Numbers for Bobcat T590
The following part numbers have been verified through extensive compatibility research, fitment validation, and real-world application history for Bobcat T590 compact track loaders.
Verified Fitment - Compatibility Confirmed
Based on compatibility research, fitment validation, and real-world application history
Primary Part Number
6689371
Alternate / Interchange Part Numbers
OEM / Supersession Notes
6689371 NEW STYLE WITH BOLTS; supersedes 6732901 (post/nut style); 7233399 for suspension mount high serials
Common Fitment
Bobcat T140, T180, T190, T200, T250, T300, T320, T630, T650, T630 (S/N AJDT1101-AJDT12076 solid mount), T550 (A7UJ1101 & above, AJZV1101-AJZV13999), T590 (only for solid mount undercarriage S/N A3NR1101-A3NR15598), T650 (Only for solid mount), T750 (Only for solid mount), T770 (serial number specific & must have solid mount suspension), 864
Mount Type / Notes
Bolt-style mounting. Solid mount suspension required for T550, T590, T650, T750, T770.
Serial Number Specific
T630 (S/N AJDT1101-AJDT12076), T550 (A7UJ1101 & above, AJZV1101-AJZV13999), T590 (S/N A3NR1101-A3NR15598, A3NS1101-A3NS11999, ALJU1101-ALJU16824, B3781101-B37811103)
Call 346-438-6252 to verify fitment by serial number before ordering
Additional Researched Part Numbers for Bobcat T590
Research-Based Fitment Data: The following part numbers have been researched for compatibility with Bobcat T590 compact track loaders. 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
6693239
bottom roller
Bobcat Suspension Mount Bottom Roller 6693239 - Low Serials
Primary Part Number
6693239
Alternate / Interchange Numbers
Supersession / Interchange Notes
Previous solid mount post/nut version is 6732901; regular bolt-style solid mount roller is 6689371.
Compatible Machines
Bobcat T180, T190, T250, T320, T550, T590, T630, T650, T750, T770 with suspension undercarriage / applicable serial ranges
Mount Type / Chassis Notes
Suspension undercarriage / leaf-spring suspension system; newer suspension mount style; bolts sold separately. Not interchangeable with solid mount.
Serial Number Specific
T550: A7UJ11001+ and AJZV11001+; if AJZV14001-AJZV14999 or AJZV15001+ use 7233399. T590: A3NR11001-A3NR15598, A3NS11001-A3NS11999, ALJU11001-ALJU16824, B37811001-B37811103; higher serial ranges use 7233399. T320/T630/T650/T750/T770 have serial-specific ranges.
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
Research-Based Fitment — Call to Confirm
6732901
bottom roller
Bobcat CTL Bolt Style Bottom Roller / rigid mount family
Primary Part Number
6732901
Alternate / Interchange Numbers
Supersession / Interchange Notes
6689371/6686632 are common dealer part numbers; bolt hardware may be 31C1224.
Compatible Machines
Bobcat T140, T180, T190, T200, T250, T300, T320, T550, T590, T630, T650, T750, T770, 864
Mount Type / Chassis Notes
Solid mount / rigid mount CTL bottom roller; newer bolt option; prior version post/nut 6732901. Not for suspension mount.
Serial Number Specific
T630 AJDT11001-AJDT12076 solid mount; T550 A7UJ11001+ / AJZV11001-AJZV13999; T590 A3NR11001-A3NR15598, A3NS11001-A3NS11999, ALJU11001-ALJU16824, B37811001-B37811103; T750 ANKA11001+ / ATF611001+; T770 requires serial/type verification.
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
Research-Based Fitment — Call to Confirm
7233399
bottom roller
Bobcat Suspension Mount Bottom Roller 7233399 - High Serials
Primary Part Number
7233399
Alternate / Interchange Numbers
Supersession / Interchange Notes
Call/verify serial before ordering.
Compatible Machines
Bobcat T550, T590, T595, T630, T650, T750, T770 with suspension undercarriage
Mount Type / Chassis Notes
Suspension undercarriage; high-serial roller assembly.
Serial Number Specific
Fits AJZV14001-AJZV14999 or AJZV15001+; if A7UJ11001+ or AJZV11001+ use 6693239.
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
Research-Based Fitment — Call to Confirm
7352427
bottom roller
Bobcat T550-T770 Solid-Mount Track Roller 7352427
Primary Part Number
7352427
Alternate / Interchange Numbers
Supersession / Interchange Notes
Bobcat 7352427 supersedes the previous casting/part number 7228629.
Compatible Machines
Bobcat T550, T590, T595, T630, T650, T740, T750, T770, T76 compact track loaders with the SOLID-MOUNT undercarriage. Dual-guide forged steel, sealed/maintenance-free.
Mount Type / Chassis Notes
Solid-mount (rigid) forged-steel track roller; guides both sides of the track lugs. For the SOLID-MOUNT undercarriage only - the suspension-mount version is a different part (e.g. 7243576 / 7233399). Bobcat CTLs come in solid, torsion, and suspension configurations - confirm before ordering. Supersedes 7228629.
Serial Number Specific
Parts vary by undercarriage type and serial; Bobcat notes serial numbers are duplicated across undercarriage types, so undercarriage type must be confirmed, not just serial. Send a photo if unsure.
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 Bottom Rollers for Bobcat T590
Bottom rollers (also called track rollers or lower rollers) are mounted along the track frame and roll against the inside of the rubber track. They carry the entire weight of the machine and distribute it evenly across the track, reducing point loading and premature track wear.
Each roller contains sealed bearings and lubricant that allow smooth rotation under heavy loads. The outer shell is typically hardened steel designed to resist wear from abrasive materials like sand, gravel, and debris.
Quality bottom rollers feature double-sealed or triple-sealed bearings to prevent contamination and extend service life. The seal design is critical in harsh environments where mud, water, and fine particles can compromise bearing function.
How Bottom Rollers Work
Bottom rollers ride along the inside of the track, supporting the machine's weight while allowing the track to move freely. They maintain track alignment and prevent the track from contacting the track frame. As the track rotates, the rollers spin on their bearings, distributing load and reducing friction.
Signs You May Need Replacement Bottom Rollers
Regular inspection of your bottom rollers can prevent costly track damage and downtime. Watch for these warning signs that indicate replacement may be needed:
•Flat Spots or Uneven Wear
Visible flat spots on the roller surface indicate bearing failure or seized rotation. This causes the roller to slide rather than roll, damaging both the roller and the track inner surface.
•Wobbling or Excessive Play
Side-to-side movement or bearing play causes track misalignment and uneven wear. This often indicates worn bearings or internal damage that will worsen rapidly.
•Leaking Seals or Oil Weeping
Oil around the roller face or shaft indicates seal failure. Without proper lubrication, bearings will fail quickly, often within hours of continued operation.
•Grinding or Unusual Noise
Metallic grinding, squealing, or rumbling during operation suggests bearing damage or debris contamination. Stop operation and inspect immediately to prevent further damage.
•Track Derailment or Walking
Worn rollers lose their ability to guide the track properly, leading to the track walking off to one side or complete derailment. This can cause significant damage to the track and undercarriage.
•Premature Track Wear
If your tracks are wearing faster than expected, damaged bottom rollers may be causing uneven contact or increased friction. Replacing worn rollers can significantly extend track life.
Fitment Verification
Bottom roller specifications can vary by serial number, production year, and undercarriage configuration. Some machines have solid-mount rollers while others use suspension-mount designs.
Always verify your machine's serial number before ordering. Our team can cross-reference your serial to confirm the correct roller style, mounting pattern, and quantity.
If you are unsure about roller specifications, contact us with your machine serial number and we will confirm exact fitment at no charge.
Free Fitment Verification
Not sure which bottom roller fits your Bobcat T590? Contact us with your serial number and we will verify the correct part at no charge.
Related Bobcat T590 Parts
Complete your undercarriage maintenance with these related components for your Bobcat T590.
Compatible Rubber Track Sizes for Bobcat T590
Find the correct rubber track size for your Bobcat T590. Always verify with your serial number for accurate fitment.
Get a Quote for Bobcat T590 Bottom Rollers
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Frequently Asked Questions About Bobcat T590 Bottom Rollers
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