Carrier rollers for skid steers and compact track loaders are matched by part number, flange style, and mounting to the loader model, with top rollers sized for loader loads and turning. Confirm the serial number and part numbers before ordering.
Loader Carrier Roller Guidance from AFT Parts
- Manufacturer: AFT Parts — excavator and loader undercarriage components.
- Scope: Loader top-roller fitment for skid steers and CTLs
- Fits: CAT, Komatsu, Kubota, Bobcat, Hitachi, and more.
- Application coverage: Alberta snow removal, construction, rental fleets
- Order check: serial number and part number confirmed before dispatch.
How CTL Top Rollers Differ From Excavator Carrier Rollers
Loader top rollers carry the weight of the upper track run under loader loads and turning forces, and they are sized and mounted for the loader's undercarriage. They are not interchangeable with excavator carrier rollers.
In Alberta, CTLs plow snow, load gravel, and clean sites, so the top rollers see speed, debris, and pivot turns. The loader-specific design handles those loads; an excavator-style roller on a CTL does not.
Common Part Numbers for Bobcat, CAT, and Deere Loaders
Loader carrier rollers are identified by part number and position. Bobcat, CAT, and John Deere each use their own numbering, and the parts list for the serial number shows which roller goes where.
Read and photograph the part number before removal. When the number is unreadable, measure the diameter, width, shaft, and bracket, and cross-reference with the serial number.
When to Replace CTL Carrier Rollers Before They Seize
Replace loader top rollers when they squeak, show flat spots, weep oil or grease, or wear flanges past the limit. Loader work wears the top run fast, so inspect at every service and weekly in snow season.
A squeaking top roller on a CTL is the early sign. Catching it early avoids the flat spot and the chain damage that follows a seized roller.
The schedule below reflects loader duty, not excavator duty.
| Interval | Check |
|---|---|
| Weekly in snow season | Listen; look for flats, weeping, and flange wear |
| Every service | Measure flange and diameter; compare left and right |
| Before reordering | Confirm part numbers and fitment against the serial number |
What a CTL Top Roller Replacement Really Costs in CAD
Loader top rollers are a smaller line item than tracks, but replacing a full set costs real money and downtime. Budget by hours and order from the inspection trend rather than a failure.
Compare aftermarket and OEM on the same part number and warranty. A 12-month pro-rated warranty and fitment confirmation protect the purchase.
Buying a Full CTL Roller Set: One Downtime Event, Not Several
A full top-roller set, or a matched set for one side, avoids repeated downtime when several rollers are near the limit. Confirm every part number against the machine serial number before the set ships.
For an Alberta fleet, ordering the set ahead of snow season with fitment confirmed keeps the loader available when it earns the most.
Warranty Considerations When Loaders Work Hard
Loader work is hard on top rollers, so warranty terms matter. Confirm what the 12-month pro-rated warranty covers, how claims are documented, and what records are required.
A wear log with installation hours and inspection readings makes the warranty work when needed. Document fitment confirmation with the order so the coverage is clean.
How Loader Duty Changes the Inspection Schedule
Loaders pivot, push, and travel, which loads the top run differently than excavator work. Pivot turns scrub the outer lugs, and snow season adds speed and debris, so the inspection schedule must be tighter than a light-duty machine's.
For an Alberta CTL that plows and loads, weekly top-roller checks in snow season are the practical floor. Between seasons, the service-interval check with measurements keeps the trend visible.
What to Check Before Reordering a CTL Set
Before reordering, confirm the loader serial number, the top-roller part numbers, the flange style for each position, and the fitment with the supplier. A set that matches all four ships once and fits.
Ask for the delivery window and the warranty terms at the same time, so the set arrives before the maintenance stop and the coverage is documented with the order.
Before Ordering
- Match the part number and flange style to the loader serial number, not the model name.
- Order ahead of snow season so fitment confirmation fits the delivery window.
- Confirm whether the set includes mounting hardware.
Conclusion
Loader carrier rollers are matched by part number, position, and serial number, not by model name. Inspect the top run on a schedule, order from the wear trend, and confirm fitment before dispatch. A matched top-roller set protects the loader and its chain.
Key Takeaways for Canadian Operators
- Match top rollers by part number and position, not model name.
- Inspect CTL top rollers weekly in snow season and at every service.
- Replace squeaking or weeping rollers before they seize.
- Order a matched set from the inspection trend.
Questions to Ask Before You Order
- What are the top-roller part numbers for my loader serial number?
- Which flange style and mounting does each position require?
- What delivery window applies before snow season?
- Does the supplier confirm fitment before dispatch?
See Carrier Roller options and the 7013581 Bobcat roller for your loader.
Frequently Asked Questions
Can I use excavator carrier rollers on a CTL?
No. Loader top rollers are sized and mounted for loader loads and turning. Use the part numbers and configuration approved for the loader model.
How often should CTL carrier rollers be inspected?
Inspect at every service and weekly in snow season or heavy use. Loader work wears the top run fast.
What are the signs a CTL top roller is failing?
Squeaking, flat spots, weeping seals, and worn flanges. Replace before the roller seizes and damages the chain.
Do CTLs use the same carrier rollers as skid steers?
Not necessarily. Tracked loaders carry different loads and turning forces than skid steers. Match by part number and loader serial number.
How often should loader top rollers be inspected in winter?
Weekly in snow season or heavy use. Loader work wears the top run fast, and snow hides early damage.