Find the best single flange track roller for your machine with this buyer-friendly guide. These parts are designed for stability, smoother tracking, and longer undercarriage life on compact excavators and similar equipment. This selection targets common needs like compatibility, durability, and ease of replacement. Ideal buyers include shop managers, fleet operators, and DIY owners seeking reliable aftermarket alternatives that fit multiple brands and models.
Overview at a glance: the table below highlights five top choices, their primary compatibility, and what each is best for. Use this quick reference to compare fit, scope, and potential drawbacks before diving into detailed product sections.
| Product | Best For | Key Benefit | Notable Limitation |
|---|---|---|---|
| Bottom Roller – Single Flange (Case CX75, CX80, CX80C, CX75 variants) | Case/General Use | Precision manufacturing for high-quality parts | High variation in Case models |
| All States Track Roller Assembly – Single Flange (Bobcat E16–E20, 320–430 series) | Bobcat Mini Excavators | Extensive compatibility list | Requires exact OEM reference for best fit |
| One New Roller Group Track – Single Flange | Various OEMs | Aftermarket replacement with broad interchange | Check specifications per model |
| Track Roller Assembly – Single Flange (Bobcat E16–E20, 320–430 series) | Bobcat Mini Excavators | Common aftermarket option | Similar to other Bobcat parts; verify s/n compatibility |
| Bottom Roller Track Roller – Single Flange (Caterpillar 307 series) | Caterpillar Mini Excavators | Heavy-duty construction for tough use | 135mm pitch; ensure exact Caterpillar spec |
Bottom Roller – Single Flange for Case CX75 and More
Brand: National 1 Track & Parts. Features emphasize precision manufacturing to deliver high-quality parts. This single flange bottom roller is designed to support Case CX75 SR, CX80, CX80C, and CX75 series machines. Best for shop technicians seeking reliable, consistent replacements.
Who it’s best for: maintenance teams and operators who prioritize consistent fit and durability on Case and similar compact machines. Why selected: strong alignment with common Case underslung configurations and a history of stable performance in demanding conditions.
Limitation: verify exact Case model and serial compatibility to avoid misfit on non-listed variants. If your machine is not clearly within the specified range, look for model-specific references.
All States Track Roller Assembly – Single Flange for Bobcat Mini Excavators
Brand: All States. Features show compatibility with a broad list of Bobcat models including E16, E17, E19, E20, and 320–430 series, with OEM numbers BR075 referenced for cross-fit. Best for fleets operating multiple Bobcat sub-models.
Who it’s best for: operators with a mixed Bobcat fleet needing a single, interchangeable roller option. Why selected: wide compatibility reduces the number of spare parts needed in stock.
Limitation: due to the large compatibility range, there may be minor dimensional differences. Always confirm the exact machine sn and part number before purchasing.
One New Roller Group Track – Single Flange
Brand: Stevens Lake Parts. This entry is described as an aftermarket replacement that can interchange with multiple OEMs. It emphasizes ease of substitution for various applications and models, making it a flexible option for diverse fleets.
Who it’s best for: buyers seeking a versatile aftermarket roller that can cover several OEMs with one part. Why selected: its broad interchangeability can simplify inventory management.
Limitation: always review exact specifications to ensure a precise fit for your machine’s model year and configuration.
Bottom Roller Track Roller – Caterpillar 307 Series
Brand: Generic. Features describe heavy-duty construction designed to withstand tough work on mini excavators, with precise fit for Caterpillar 307, 307B, 307C, 307D, and related models, plus replacements for several OEM numbers. Best for Caterpillar users prioritizing robustness.
Who it’s best for: Caterpillar customers needing a rugged, direct replacement. Why selected: proven compatibility with widely used 307-series machines and related models.
Limitation: ensure the exact 307 model and serial range to avoid a misfit on non-listed Caterpillar variants.
Buying Guide
How to choose the right single flange track roller
Key questions to ask: Is the part compatible with your exact machine model and serial range? Does the offset and flange diameter match your belt and track system? Are there any OEM references or part numbers to cross-check?
Compatibility and fit considerations
Check the OEM number replaement notes and the manufacturer’s stated model ranges. For Bobcat and Caterpillar machines, many rollers look similar but have subtle dimensional differences. When in doubt, match the part numbers and s/n ranges listed by the seller.
Durability and material quality
Look for parts advertised as high-precision or heavy-duty. The roller’s material and bearing design influence longevity under impact loads and uneven surfaces. Consider the typical working environment—urban sites, tight spaces, or dusty conditions—and choose accordingly.
Installation and serviceability
Some aftermarket rollers are easier to install with standard tools. If you lack a full service setup, prefer parts described as straightforward replacements or those with widely available installation guidance.
Cost versus value
Price often reflects fit range and build quality. A slightly higher upfront cost can yield longer service life and fewer replacement cycles. Balance initial price with expected maintenance cycles for your fleet.
Frequently Asked Questions
- What is a single flange track roller?
It is a wheel with a single flange that guides the track, helping stabilize tracking and reduce wear on the undercarriage. - How do I know if a roller fits my machine?
Compare the OEM replacement numbers and confirm model and serial compatibility listed by the seller. - Are aftermarket rollers reliable?
Many are designed to match or exceed OEM performance, but verify fit, warranty terms, and return options before purchase. - Can I replace a track roller without professional help?
Some parts are straightforward to install for experienced DIYers; others may require professional services, especially if the undercarriage is worn. - What should I do if a part doesn’t fit after delivery?
Check the seller’s return policy and verify the exact model and serial numbers; request an exchange if needed. - Is it better to stock a universal roller or model-specific parts?
Universal or interchangeable parts reduce inventory complexity but may require extra verification for fit.
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