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CAT 304.5 Rubber Track 400x72.5x72 ( 16" ) Directional Block Pattern CAT 304.5 Rubber Track 400x72.5x72 ( 16" ) Directional Block Pattern Price range: $1,715.00 through $1,955.00
CAT 307SSR Rubber Track 450x71x82 ( 18" ) Directional Block Pattern CAT 307SSR Rubber Track 450x71x82 ( 18" ) Directional Block Pattern Price range: $1,965.00 through $2,315.00
Rubber Tracks Warehouse

CAT MM55SR Rubber Track 400×72.5W×72 — 16" Staggered Block, OEM-Spec Fit

The Track That Keeps Your Machine Moving

These Rubber Tracks Warehouse Attachment deliver reliable traction on mud, slopes, and uneven terrain. Designed for long service life with minimal maintenance.

Staggered block grip — Smooth traction on grass, dirt, gravel, and asphalt without bounce.
Exact OEM fit — Machined to CAT MM55SR spec — installs true, no shimming required.
Ships assembled, ready — Arrives from a US warehouse ready to bolt on and run.
Smooth low-vibration ride — Staggered pattern absorbs shock on hard surfaces and rough terrain.
Steel-corded reinforced core — Reinforced steel cords prevent stretch and keep the track true.
  • FREE Freight -- Ships from US warehouse. Tracking emailed the day it leaves.
  • FREE Fit-Check Call -- Talk to a real operator — confirm fit before you order.

Price range: $1,645.00 through $1,825.00

Add to Cart
CAT MM55SR Rubber Track 400x72.5Wx72 ( 16" ) Staggered Block Pattern
CAT MM55SR Rubber Track 400x72.5Wx72 ( 16" ) Staggered Block Pattern
$1,645.00 – $1,825.00Price range: $1,645.00 through $1,825.00

60-day money back · No restocking fee

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Ships in 3–5 Days Heavy-duty crating included.
4.9/5 Stars 2,400+ verified reviews.

In the box

  • 1× CAT MM55SR Rubber Track (400×72.5W×72, 16" Staggered Block Pattern)
  • Installation guide
CAT MM55SR Rubber Track 400x72.5Wx72 ( 16" ) Staggered Block Pattern
CAT MM55SR Rubber Track 400×72.5W×72 — 16" Staggered Block, OEM-Spec Fit
$1,645.00 – $1,825.00Price range: $1,645.00 through $1,825.00

The Track That Keeps Your Machine Moving

Your CAT MM55SR doesn't earn when it's sitting. Wrong tracks that slip, crack, or throw links cost you days — and the guy who sold them off a marketplace listing isn't picking up the phone. The 400×72.5W×72 Staggered Block is machined to OEM spec for the MM55SR: 72 steel-corded links, 16" tread, balanced block pattern that handles construction grading, landscaping cleanup, and agricultural haul without skipping a beat. Shipped assembled from a US warehouse. If it doesn't fit your rig, we pay freight both ways — no runaround, no restocking fee.

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Ships from USA
Guaranteed Fit or Back
Staggered Block Traction
Free Freight Included
16"
OEM tread width, CAT MM55SR spec
72
Steel-corded links — full OEM count
4
Surface types handled: grass, dirt, gravel, asphalt
Stop Guessing if the Track Will Fit Your CAT

Stop Guessing if the Track Will Fit Your CAT

Online listings don't list link count, pitch, or OEM compatibility notes — you find out the track is wrong when it shows up on a freight pallet three days before the job. The CAT MM55SR 400×72.5W×72 is spec-matched to your exact machine: 72 links at 72.5mm pitch, 400mm wide, 16" staggered block. Our Fitment Checker matches your mini excavator make, model, and undercarriage spec before it ships. If it arrives and doesn't bolt on, we send a return label and pay freight both ways. No restocking fee. No runaround.

Staggered Block Pattern — Grip on Every Surface You Run

Staggered Block Pattern — Grip on Every Surface You Run

A straight-lug track works on dirt. A staggered block works on the jobsite you actually have: grass, compacted gravel, asphalt aprons, and wet clay. The alternating block layout spreads load evenly across the contact patch, cuts vibration at speed, and sheds mud instead of packing it. Whether you're grading, trenching, or doing landscaping cleanup, the pattern stays planted and keeps your operator comfortable through long shifts.

Built to Earn Back Its Cost — Steel-Corded, Not Stamped

Built to Earn Back Its Cost — Steel-Corded, Not Stamped

Import tracks often use low-tension cord layups that stretch under load and throw links mid-job. The Rubber Tracks Warehouse MM55SR track is built with steel-corded construction through the full 72-link span — no mid-lug splice, no mystery compound. That craftsmanship shows in the cold-weather compound that resists cracking on early-morning starts and the UV-stable rubber that holds up through summer. At $1,645, this is a working investment — one track that does its job all season beats two failed ones and a week of downtime.

Will it fit your mini excavator?

This track is spec-matched for the CAT MM55SR. Confirm your machine before ordering — or call us and we'll verify for free.

  • CAT MM55SR — confirmed OEM fit
  • Verify pitch (72.5mm) matches your undercarriage
  • Confirm link count (72) against your existing track before ordering

Where This Track Does the Work

Built for commercial operators running the CAT MM55SR on real jobsites — not weekend hobby use.

Construction grading
Landscaping cleanup
Agricultural haul
Land clearing
Utility trenching

Full specifications

At a glance

Dimensions
400mm (16")
Surface
Grass, dirt, gravel, asphalt
Warranty
1 year — Rubber Tracks Warehouse
Full specifications13 data points across 4 categories

Dimensions

Track Width400mm (16")
Pitch72.5mm
Links72
PatternStaggered Block

Power & Performance

Machine FitCAT MM55SR
Surface CompatibilityGrass, dirt, gravel, asphalt
Vibration ProfileLow — staggered block load distribution

Materials

Core ConstructionSteel-corded rubber compound
Compound RatingCold-weather and UV resistant
BrandRubber Tracks Warehouse

Compliance & Warranty

Warranty1 year — Rubber Tracks Warehouse
SupportUS-based, real operators
Fit GuaranteeMoney-back, freight paid both ways

Our Promise

Every track we ship is spec-verified for your machine before it leaves the warehouse.

Guaranteed FitFits your CAT MM55SR or we pay freight both ways — no restocking fee, no runaround.
Free US FreightShips assembled from a US warehouse. Tracking emailed the day it leaves.
1-Year WarrantyRubber Tracks Warehouse backs every link. US-based support that actually picks up.
★★★★★
“Ordered the 400×72.5W×72 for my MM55SR after I ran the old set into the ground on a land-clearing job in Georgia clay. Arrived in four days, bolted on in under an hour, runs tight with zero slop. Good steel-corded track. The operator on the phone knew exactly what I needed without me spelling out the pitch.”
T
Travis M.Macon, GA

The CAT MM55SR Rubber Track 400×72.5Wx72 ( 16″ ) is designed with a Staggered Block Pattern to provide maximum support and traction.

Staggered block pattern rubber tracks offer balanced performance on various terrains, providing smooth operation, minimal vibration, and durable construction for heavy equipment like track loaders and excavators. Ideal for all-purpose use on surfaces such as grass, dirt, gravel, and asphalt.

Standard for OEMs and highly versatile, these tracks are favored in the construction, landscaping, and agricultural industries across the country for their all-purpose utility and reliability.

Grizzly™ offers this track in two series. Explore the difference in our series below!

Note: If your machine is down… Chat with a Grizzly™ expert or call 866.391.6175 for next-day delivery or same-day pick-up options.

 

CAT MM55SR Rubber Track 400x72.5Wx72 ( 16" ) Staggered Block Pattern

Heavy-Duty Construction

The CAT MM55SR Rubber Track 400×72.5Wx72 ( 16" ) Staggered Block Pattern is engineered for operators who demand reliability. Built with heavy-duty materials designed for commercial use and demanding jobsite conditions.Designed to handle tough jobsite conditions day after day.

Quick-Attach Compatible

Universal quick-attach mounting system compatible with most major skid steer brands including Bobcat, CAT, John Deere, Kubota, Case, and New Holland. Mount in under 60 seconds — no special tools required.

CAT MM55SR Rubber Track 400x72.5Wx72 ( 16" ) Staggered Block Pattern
CAT MM55SR Rubber Track 400x72.5Wx72 ( 16" ) Staggered Block Pattern

Built to Pay for Itself

Backed by Rubber Tracks Warehouse engineering, the CAT MM55SR Rubber Track 400×72.5Wx72 ( 16" ) Staggered Block Pattern reduces labor costs and increases productivity on every job. Ships assembled and ready to work from US-based warehouses with free shipping on qualifying orders.

Additional information

Series

PM Series™ ( Economy Model ), PR Series™ ( Heavy Duty Model )
Size

400×72.5Wx72 ( 16" )
Tread Pattern

Staggered Block

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SKU: cat-mm55sr-rubber-track-400x72-5wx72-16-staggered-block-pattern Category: Brand:

Our Promise

Every track we ship is spec-verified for your machine before it leaves the warehouse.

Guaranteed Fit Fits your CAT MM55SR or we pay freight both ways — no restocking fee, no runaround.
Free US Freight Ships assembled from a US warehouse. Tracking emailed the day it leaves.
1-Year Warranty Rubber Tracks Warehouse backs every link. US-based support that actually picks up.

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About Rubber Tracks Warehouse Skid Steer Attachments

Rubber Tracks Warehouse is a trusted manufacturer of premium skid steer attachments. Iron Attachments is an authorized dealer offering the full Rubber Tracks Warehouse lineup with free delivery, price match guarantee, and expert support.

View all Rubber Tracks Warehouse products →

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