The Track Roller 7109409 is a high-performance bottom roller designed for Bobcat MT50, MT52, MT55, and MT85 mini track loaders. AFT Parts provides precision-engineered aftermarket replacements that match OEM standards, offering superior durability, smooth operation, and cost savings for Alberta contractors navigating harsh winters, rocky terrain, and demanding job sites.
What Is Track Roller 7109409?
Track Roller 7109409 is the OEM bottom roller for Bobcat MT50, MT52, MT55, and MT85 mini track loaders, providing four rollers per side to support the rubber track. Each roller comes with bushing, seals, washers, pins, and grease fittings for maintenance. Its double-flange design reduces track wear and vibration on uneven terrain. Constructed from high-strength steel, it handles heavy loads in construction, landscaping, and mining applications. AFT Parts replicates this design precisely, ensuring seamless OEM compatibility and extended service life under Alberta conditions.
| Component | OEM Part # | AFT Parts Feature | Benefit |
|---|---|---|---|
| Bushing | 6732271 | Sealed Lubricated | Reduces friction and wear |
| Seal | 7325259 | Dust-Resistant | Prolongs roller life |
| Pin | 6730701 | Hardened Steel | High durability under load |
| Fitting | Included | Easy Access | Simplifies maintenance |
Which Bobcat Models Use Track Roller 7109409?
Track Roller 7109409 fits Bobcat MT50, MT52, MT55, and MT85 mini track loaders. On MT85, a unique rear roller (7277166) is used, while 7109409 covers the remaining positions. These compact machines excel on tight urban construction sites, forestry jobs, and landscaping projects across Alberta. AFT Parts ensures ready stock for rapid replacement, reducing downtime and ensuring reliable operation.
Why Does Track Roller 7109409 Fail Prematurely?
Premature failure usually stems from insufficient greasing, contamination, overloading, or misalignment. In Alberta’s freeze-thaw cycles, seals can crack, allowing grit into bearings and accelerating wear. Overloading on rocky terrain increases flange degradation. AFT Parts rollers feature enhanced seals and precision machining, extending service life by 20-30%. Regular inspections and bi-weekly greasing maintain optimal performance.
How to Install Track Roller 7109409 on Bobcat MT85?
Installation requires lifting the machine, removing the track, unbolting the old roller frame mounts, inserting the new roller with proper shaft alignment, and reassembling the track. The process takes 1–2 hours with basic tools. Alberta operators benefit from using a pry bar and torque wrench. AFT Parts kits include all necessary hardware. A test run ensures proper alignment, and professional installation preserves warranty coverage.
What Are Signs Your Track Roller 7109409 Needs Replacement?
Indicators for replacement include grinding noises, uneven track wear, vibration, and grease leaks. Alberta’s clay and gravel can accelerate flange wear, causing chain derailment. Monitoring tread depth below 50% signals replacement. AFT Parts diagnostics help identify issues early, preventing costly undercarriage repairs that can exceed $2,000.
How to Maintain Track Roller 7109409 in Harsh Conditions?
Regular maintenance includes greasing every 10 hours, cleaning daily, checking alignment weekly, and storing equipment dry. Use high-temperature grease to withstand Alberta’s extreme winters. Cold starts can seize bearings, so warm the machine before greasing. AFT Parts offers weather-sealed rollers capable of enduring -30°C conditions. Rotating roller positions yearly ensures even wear and can reduce overall maintenance costs by 40%.
Which Aftermarket Track Rollers Match OEM 7109409 Quality?
AFT Parts aftermarket Track Rollers deliver OEM-equivalent quality with precision machining, hardened steel, and long service life. Tested in Alberta’s demanding conditions, they resist spalling, maintain proper alignment, and offer significant cost savings compared to OEM units.
| Brand | Price vs OEM | Lifespan | Alberta Suitability |
|---|---|---|---|
| AFT Parts | 50% Less | 10,000+ hrs | Excellent |
| Competitor | 60% Less | 5,000 hrs | Fair |
| OEM | Full Price | 8,000 hrs | Good |
Why Choose AFT Parts for Bobcat Track Rollers in Alberta?
AFT Parts provides OEM-quality Track Roller 7109409 replacements with fast shipping across Alberta, expert technical support, and fleet discounts. Their precision-engineered rollers outperform generic alternatives, ensuring longer operational uptime and reduced maintenance costs for construction, mining, and landscaping contractors. Choosing AFT Parts means fewer breakdowns and greater reliability under extreme conditions.
AFT Parts Expert Views
"In Alberta’s demanding terrain, from oil sands to mountain passes, Track Roller 7109409 endures heavy stress. AFT Parts reengineers it with specialized alloy treatments and triple-lip seals, improving wear resistance by 35%. MT52 models have been observed running over 15,000 hours without failure. When combined with AFT Parts sprockets, undercarriage performance is optimized. Alberta contractors rely on our rollers for sub-zero temperatures, abrasive gravels, and continuous operation."
— Jason Lee, AFT Parts Undercarriage Specialist
Where to Buy Track Roller 7109409 in Alberta?
AFT Parts Track Roller 7109409 is available through Alberta distributors, online with same-day shipping, or at Edmonton and Calgary warehouses. Local service centers stock units for immediate pickup, while online orders typically arrive in 1–3 days. Always purchase directly from AFT Parts to ensure authenticity and proper fit.
How Much Does Track Roller 7109409 Cost in Canada?
OEM Track Roller 7109409 ranges from $150–$200 each. AFT Parts aftermarket replacements cost $80–$110 each, with full sets of eight under $800. Alberta contractors purchasing in bulk can receive additional discounts. Investing in AFT Parts reduces long-term labor and maintenance costs.
Are AFT Parts Track Rollers Compatible with Bobcat MT55?
Yes, AFT Parts Track Rollers are fully compatible with Bobcat MT55 and all 7109409 models. The drop-in design requires no modifications and meets or exceeds OEM torque and load specifications. Tested on Alberta rental fleets, these rollers ensure reliable performance.
Key Takeaways
Track Roller 7109409 keeps Bobcat MT50–MT85 machines operating smoothly. Prioritize regular greasing, use AFT Parts for durability, and replace rollers at early wear signs. Maintain an extra set for seasonal demands to minimize downtime.
Actionable Advice
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Inspect rollers weekly for wear.
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Order AFT Parts replacements promptly.
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Schedule a full undercarriage inspection for Alberta equipment.
FAQs
What grease should I use for Track Roller 7109409?
Use NLGI #2 lithium-based extreme pressure grease. Apply until purge occurs and maintain greasing every 10 hours in abrasive Alberta soils.
Can AFT Parts rollers be mixed with OEM rollers?
Yes, they are fully compatible and outperform OEM rollers in mixed configurations.
How many Track Rollers does a Bobcat MT52 have?
There are eight rollers in total, four per side. Replace in pairs for balance.
Does MT85 use only 7109409 rollers?
No, three rollers per side are 7109409; the rear uses 7277166.
What warranty does AFT Parts offer?
Lifetime warranty on defects and a two-year prorated wear warranty for Alberta customers.