Bobcat T66 Rubber Tracks – Size 320x86x50 / 400x86x50

Price range: $876.00 through $1,020.00

✔ In Stock

Premium aftermarket replacement rubber tracks engineered for the heavy-duty R-Series Bobcat T66 compact track loader.

  • Track Sizing: Available in 320x86x50 (Narrow) or 400x86x50 (Wide) configurations (50 total links)
  • Build: Continuous internal steel cables wrapped in a premium natural rubber compound prevent stretching and drive-lug tearing under high-torque vertical-lift cycles
  • Shipping: Fast 1-3 business day delivery from 19 regional US hubs
  • Save up to $100 or more for orders of two or more tracks!

The prices shown are the total. These Prices reflect as if the tracks are being shipped to a Commercial Address. Prices and Freight May Vary Due to Residential Delivery, Liftgate Services, and Location. Price may vary depending on the width chosen for your T66 equipment model.

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Description

Our heavy-duty replacement Bobcat T66 compact track loader tracks are engineered specifically to handle the structural layout and high-torque weight distribution of this 8,840 lb. R-Series machine. As a heavy-duty vertical-lift model, the T66 is built for extended lift heights, high-capacity attachment work, and aggressive grading. To handle the shifting center of gravity and high stress generated during intensive material-handling cycles, our tracks are built from a premium natural rubber compound, internally reinforced with continuous, high-tensile steel cables and drop-forged iron links. This premium construction effectively converts the loader’s upgraded 74 HP engine output into stable pushing power while preventing rubber stretching and drive-lug tearing at the machine’s full 2,450 lb. rated operating capacity, protecting your undercarriage components on demanding commercial jobsites.

Learn about our premium manufacturing standards on our Skid Steer Rubber Track Manufacturing & Quality Guide page.

Bobcat T66 Track Specifications

Find the official track dimensions and physical specifications for your Bobcat T66 tracks in the data below. Because this heavy-duty R-Series model supports both narrow-clearance and high-flotation setups, your undercarriage can accept either a 320mm or an expanded 400mm track width. Use the verified data below to confirm the precise width, link count, and track weight required for your standard 320x86x50 or 400x86x50 track assembly.

Full Track Size
320x86x50
400x86x50
Track Width
320mm (12.6 inches)
400mm (15.75 inches)
Pitch Length x Total Links
86mm x 49 links
86mm x 49 links
Track Weight
370 lbs
440 lbs
Guide Type
Steel Lug Teeth
Steel Lug Teeth

Our replacement Bobcat T66 rubber tracks for sale are manufactured to directly replace Bobcat OEM Part Reference Numbers: 7324236, 7408148, 7394912, 7408151, and 7407926.

Bobcat T66 Skid Steer Tracks – Tread Options

Selecting the correct tread pattern configuration for your replacement Bobcat T66 rubber tracks depends entirely on your specific jobsite environment. Because this high-performance vertical-lift model exerts a substantial 7,000 lb. static tipping load, the undercarriage experiences highly concentrated directional stress when handling heavy material or running demanding hydraulic attachments. Use the terrain suitability table below to find the pattern that best meets your job’s requirements.

Tread Pattern
Best Jobsite Application
Hard Surface
Mud/Clay
Snow/Ice
Demolition
Forestry
Turf/ Soft Soil
Block
Asphalt, Concrete, Pavers






C Block
All-around use, General Offroad use






Zig Zag Bar
Snow, Ice, Mud, Steep Grades






Multi-Bar
Forestry, Loose soil, Turf,






Undercarriage Inspection & Parts

Installing brand-new rubber tracks onto worn sprockets or out-of-spec rollers is the leading cause of premature track failure. Given the increased horsepower and operating weight of this heavy-duty frame, worn drive components will rapidly degrade the internal rubber guides of your fresh tracks. Before you install a new set of tracks on your machine, inspect your wear components to safeguard your investment. Our exact-fit parts for Bobcat T66 loaders include:

  • View Drive Sprockets for Bobcat T66 – New sprockets ensure perfect tooth engagement and prevent hooked teeth from chewing up your new rubber drive lugs.
  • View Bottom Rollers for Bobcat T66 – Heavy-duty rollers evenly distribute the machine’s 8,840 lb. operating weight across the track frame to prevent rail binding.
  • View Front & Rear Idlers for Bobcat T66 – Engineered to maintain straight track alignment and correct pathing, preventing costly derailments during high-climb or heavy loading maneuvers.

Shipping & Transit Information

OnTracParts ships directly from 19 regional distribution hubs located throughout the United States. By utilizing our warehouse routing, we ensure your replacement rubber tracks for the Bobcat T66 ship from the facility closest to you, and most rubber track freight shipments arrive within 1 to 3 business days. Local commercial dock deliveries, freight company terminal drops, or residential liftgate logistics choices remain fully configurable within your checkout window.

Have a different model? Here is a list of Other Bobcat Rubber Tracks Replacements we stock.

Additional information

Weight 370 lbs
Brand

OntracParts

Make

Bobcat

Model

T66

Track Full Size

320x86x50, 400x86x50

Width

320mm / 12.6 inch, 400mm / 15.75 inch

Pitch

86 mm

Product Type

Rubber Track

Rubber Track Maintenance

To maximize the service life of your new premium rubber tracks and prevent unexpected job site downtime, follow these essential manufacturer care tips:
  • Maintain Correct Tension: Never “eyeball” your track sag. Over-tightening robs horsepower, strains drive bearings, and can snap internal steel cables. Under-tightening causes detracking, which instantly destroys the track’s internal drive lugs. Check your operator’s manual for exact sag tolerances.
  • Daily End-of-Shift Cleanouts: Use a spade or pressure washer to clear mud, clay, and gravel from the undercarriage frames daily. Packed debris hardens overnight, acting like heavy-grit sandpaper that grinds down rubberized surfaces and seizes bottom rollers.
  • Inspect Sprockets & Rollers: Never install a brand-new rubber track on a worn-out undercarriage. Sharp or “shark-toothed” sprockets will actively gouge and tear out your new track’s drive lugs. Ensure bottom rollers spin freely and check idlers for rough rims or bad bearings.
  • Practice Smart Operating Habits: Avoid high-speed, 90-degree pivot turns on concrete or asphalt to prevent severe tread scalloping (especially if not using a block tread). Always approach curbs straight-on (perpendicularly) and travel straight up or down grades—never sideways—to prevent edge slicing and derailment.
Want the full step-by-step breakdown? Read our comprehensive Rubber Track Maintenance Tips Guide for advanced diagnostic checklists, off-season storage rules, and expert operational strategies.

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