UltraTrack HDX Series 13" B320x86x50 Block Tread Rubber Track

SKU: 1732BB50

$845.76

~~$871.94~~ $845.76

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The UltraTrack HDX Series 13" B320x86x50 Block Tread Rubber Track is an OEM-compatible 320x86x50 rubber track engineered for your specific machine and built to manufacturer specifications. This Block tread rubber track delivers reliable traction, reduced ground pressure, and consistent performance across construction sites, agricultural fields, and mixed-terrain jobsites.

* Notes: All sizes (variants) displayed with your make and model will fit. | Call us if you have any questions. 866-516-TIRE (8473)

Condition: New

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Why Choose This

Verified Fitment — Confirmed compatible with your machine. Fits or your money back.
Price Match Guarantee — Find a lower price anywhere and we will beat it.
Free Shipping — Ships free to all 50 US states from 13+ warehouses.
Same-Day Processing — Orders placed before 1 PM CST ship the same business day.
30-Month Warranty — Industry-leading coverage against manufacturing defects.

What Goes Into Every UltraTrack Track

Every UltraTrack rubber track is engineered with a multi-layer construction system designed for maximum service life under real jobsite conditions.

Continuous Steel Cord Belt — A single continuously wound steel cable runs the full length of the track, eliminating splice points that cause premature failure. This is the same belting method used in OEM tracks.
High-Tensile Steel Links — Drop-forged steel links engage cleanly with your machine's sprocket for smooth power transfer and reduced undercarriage wear.
100% Virgin Rubber Compound — Acid-washed steel cords are bonded through multi-stage vulcanization. No reclaimed or recycled rubber. The result is a track body that resists delamination, cracking, and chunking even under sustained heavy loads.
UV and Ozone Stabilizers — Built-in antioxidants and antiozonants protect against sun and weather degradation, extending track life for machines that sit outdoors between jobs.

Available Tread Patterns for the 320x86x50

Block Tread

Engineered for reliable traction on the surfaces this machine works most.

Best for: Gravel, Dirt, Mixed Terrain

Your Undercarriage System

Rubber tracks work as part of a complete undercarriage system. Replacing tracks alongside worn components extends the life of both.

Sprocket — Engages track links to drive the machine forward. Worn teeth cause track slippage and accelerated track wear.
Front Idler — Guides the track and maintains operating tension. A seized or worn idler causes uneven track wear.
Bottom Rollers — Carry the machine's full weight. Leaking seals or flat spots cause vibration and premature track failure.
Top Rollers — Support the upper track run and prevent sag. Often overlooked but critical for track longevity.

→ Shop undercarriage parts

Track Care: Getting the Most Hours from Your UltraTrack Tracks

Tension Check — Check track tension at the start of every shift. Over-tensioned tracks accelerate wear on sprockets and idlers. Under-tensioned tracks risk derailment. Refer to your Bobcat operator manual for the correct sag measurement.
Clean the Undercarriage — Packed mud, rocks, and debris add weight, increase fuel consumption, and cause uneven wear. Hose out the undercarriage at the end of each day, especially in clay or mud conditions.
Inspect Wear Indicators — Look for cracking between lugs, exposed steel cords, uneven lug height, and missing chunks. If the rubber between lugs is worn to less than 1/4 inch, it is time to replace.
Rotate Travel Direction — When possible, alternate the direction your machine travels on repetitive routes. This distributes wear more evenly across the track surface.

Specifications

Track Size	320 × 86 × 50
Width	320 mm (12.6 in)
Pitch	86 mm
Link Count	50
Tread Pattern	Block Tread
Approx. Weight	363.0 lbs (164.7 kg)
Machine Type	Compact Track Loader / Mini Excavator

Product Specifications

SKU	1732BB50
Size
Brand	UltraTrack
Condition	New

Compatible Parts & Alternatives

Frequently Asked Questions

Will this rubber track fit my machine?

Yes. The UltraTrack HDX Series 13" B320x86x50 Block Tread Rubber Track is guaranteed to fit your machine. Every track is verified against factory make, model, and year data before listing. Enter your serial number at checkout for instant fitment confirmation.

What size rubber track does this machine use?

This machine uses a 320x86x50 rubber track. This three-number format means: 320mm wide x 86mm pitch x 50 links. The correct size is printed on your existing track sidewall, or use Ultra Track and Tire's Parts Finder and enter your model number to confirm.

Are Ultra Track and Tire rubber tracks OEM-compatible?

Yes. All Ultra Track and Tire rubber tracks are manufactured to OEM specifications, ensuring direct fitment with your compact track loader without modification. Each track is verified against make, model, and year data before listing -- giving you confidence in compatibility before you order.

How long do rubber tracks last?

With proper installation and maintenance, rubber tracks typically last between 1,200 and 1,600 operating hours. Lifespan depends on operating terrain, track tension, and usage intensity. Ultra Track and Tire offers both standard-duty and Pro Series tracks -- Pro Series is suited for higher-demand environments requiring extended wear life.

Does Ultra Track and Tire offer free shipping on rubber tracks?

Yes. Ultra Track and Tire offers free shipping on all rubber tracks to the contiguous United States. Orders placed before 3:00 PM CST are processed and shipped the same day. Tracking details are sent to your email once your order ships. No minimum order required.

Still have a question?

Have a question about fitment, sizing, or this product? Our team answers 7 days a week.

Call (866) 516-8473

Shipping & Returns

Shipping

Free shipping on every order to all 50 US states. No minimum purchase. Orders placed before 1 PM CST are processed and shipped the same business day from the nearest of our 13+ US warehouse locations.

Returns

30-day hassle-free returns on unused products in original packaging. If the track does not fit your machine due to an error on our part, we cover return shipping.

Warranty Info

30-Month Warranty

All rubber tracks are backed by a 30-Month manufacturer warranty against defects in materials and workmanship. This is the longest warranty in the aftermarket rubber track industry. If something is not right, we make it right.

Verified Customer Reviews

UltraTrack HDX Series 13" B320x86x50 Block Tread Rubber Track

$845.76

~~$871.94~~ $845.76

Not sure this is the right track for your Bobcat? Call us at (866) 516-8473 — our team can verify fitment and help you choose the right tread pattern. We are available 7 days a week.