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Find Parts for Case 420CT

Tracks, sprockets, idlers, rollers and attachments matched to this machine collection.

OEM-quality Case 420CT tracks and undercarriage components in 320x86Bx50 — engineered for long wear and verified fit. Every order ships free.Case 420CT Track Specs Track size: ...

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Case 420CT Tracks & Parts

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Track options for Case 420CT

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Case 420CT fitment data

Machine Performance

Operating Weight 7350 lb
Horsepower 74 HP
ROC / Bucket Force 2000 lb

Hydraulics & Lift

Standard Flow -
High Flow -
Hydraulic Pressure -
Lift Type -

Part Numbers

Track Size -
Sprocket SP87460888
Idler 87535298
Roller TR87535297

Which tread pattern fits Case 420CT?

Compare tread patterns by traction, ride quality, and jobsite surface for Case 420CT.
+ Recommended surface - Not the primary use
Pattern Best Use Key Traits Road Road Clay Clay Gravel Gravel Mulch Mulch Mud Mud Turf Turf Action
C-Block rubber track tread pattern close-up C-Block Heavy-duty durability Built for maximum durability on abrasive jobsites, hard-pack surfaces, demolition debris, and mixed gravel.
  • Maximum Durability
  • Anti-Vibration
  • Cut & Tear Resistant
 + + + - - - View
Zig-Zag rubber track tread pattern close-up Zig-Zag All-season traction A versatile all-season pattern with high traction, self-cleaning channels, and balanced ride quality.
  • High Traction
  • Self-Cleaning
  • Versatile Performance
 + + + + + + View
Multi-Bar rubber track tread pattern close-up Multi-Bar Pushing power and mud grip Designed for pushing power, deep mud grip, and clean-out performance when traction matters more than smooth finish.
  • Max Pushing Power
  • Deep Mud Grip
  • Self-Cleaning
 - + - + + + View
X-Terrain rubber track tread pattern close-up X-Terrain Extreme grip Forestry, mulching, and extreme land clearing — fortified core defense and maximum bite for the most severe off-road environments.
  • Extreme Grip
  • Side-Hill Stability
  • Tear Resistant
 - + + - + - View
Staggered Block rubber track tread pattern close-up Staggered Block Smooth turning A smoother-riding tread option with easier turning and dependable cut resistance on mixed surfaces.
  • Smooth Ride
  • Easy Turning
  • Cut Resistant
 + - + - - + View

OEM-quality Case 420CT tracks and undercarriage components in 320x86Bx50 — engineered for long wear and verified fit. Every order ships free.

Case 420CT Track Specs

  • Track size: 320x86Bx50
  • Width: 320 mm
  • Pitch: 86.0 mm
  • Links: 50
  • Guide: Block guide

Available Tread Patterns

  • C-Block — Best on concrete and asphalt — long wear life and minimal vibration on hard surfaces.
  • Multi-Bar — Mud, snow, sand and soft ground. Aggressive bar lugs deliver maximum traction and self-cleaning.
  • Zig-Zag — A versatile staggered profile that balances grip and ride quality on varied ground.
  • Block — General-purpose tread — smooth ride and even ground pressure.

Complete the Case 420CT Rebuild

Every wear part for the Case 420CT undercarriage, fit-verified and ready to ship:

Shared-Size Cross-Fit

Looking for another machine? The 320x86Bx50 size also fits:

Built to Outlast OEM

  • Drop-forged steel links for strength where the track meets the drive system.
  • Endless high-tensile cables — single-cure construction with no weak splice point.
  • Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
  • Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.

Upgrade your Case 420CT today. Order online for free freight, or call (850) 816-7898. Need a hand matching size and guide? Try the Track Finder.

Direct Replacement Rubber Tracks for the Case 420CT

Direct replacement rubber tracks for the Case 420CT are built for heavy-duty mini excavator applications where traction, stability, and uptime matter. These tracks are designed for dependable grip, smooth travel, and consistent performance across dirt, clay, gravel, demolition debris, utility work, grading, land clearing, excavation, and mixed jobsite terrain.

Heavy-Duty Construction for Daily Work

Premium virgin rubber compounds help resist tearing, chunking, cracking, dry rot, and premature tread wear under demanding field conditions. Continuous steel cord reinforcement adds internal strength, helps reduce stretching, and supports stable track performance through repeated turning, travel, and loading.

OEM Fit Guarantee

Machine-specific sizing, steel link spacing, and guide lug geometry are built for proper undercarriage engagement on the Case 420CT. Precision-aligned fitment helps support smooth travel, stable tracking, reduced vibration, and reliable sprocket contact.

Built to Protect the Undercarriage System

A well-built rubber track helps improve machine control while limiting unnecessary stress on rollers, idlers, and sprockets. For contractors running Case equipment, that means better ride quality, stronger traction, less downtime, and better value over the life of the track.

Related Collections

Direct Replacement Rubber Tracks for the Case 420CT

Direct replacement rubber tracks for the Case 420CT are built for heavy-duty mini excavator applications where traction, stability, and uptime matter. These tracks are designed for dependable grip, smooth travel, and consistent performance across dirt, clay, gravel, demolition debris, utility work, grading, land clearing, excavation, and mixed jobsite terrain.

Heavy-Duty Construction for Daily Work

Premium virgin rubber compounds help resist tearing, chunking, cracking, dry rot, and premature tread wear under demanding field conditions. Continuous steel cord reinforcement adds internal strength, helps reduce stretching, and supports stable track performance through repeated turning, travel, and loading.

OEM Fit Guarantee

Machine-specific sizing, steel link spacing, and guide lug geometry are built for proper undercarriage engagement on the Case 420CT. Precision-aligned fitment helps support smooth travel, stable tracking, reduced vibration, and reliable sprocket contact.

Built to Protect the Undercarriage System

A well-built rubber track helps improve machine control while limiting unnecessary stress on rollers, idlers, and sprockets. For contractors running Case equipment, that means better ride quality, stronger traction, less downtime, and better value over the life of the track.

Related Collections

Frequently Asked Questions About Case 420CT

Questions & Answers

What size rubber track does the Case 420CT use?
The Case 420CT uses a 320x86x50 rubber track. Always confirm against your current track or the machine's spec plate, since some units shipped with more than one option.
Will this track fit my Case 420CT?
Yes — this track is matched to the Case 420CT by size and tread pattern. If your machine has a serial break or factory option, send the serial number and we'll verify fitment before shipping.
How long do Case 420CT rubber tracks last?
Most rubber tracks last 1,200–1,600 operating hours depending on terrain, alignment, and tension. Keeping tracks tensioned and clearing debris daily extends life.
How do I confirm the right track size for my Case 420CT?
Read the size stamped on the inside of your current track, or measure width x pitch x links. Not sure? Message us and we'll match it.
Do you stock undercarriage parts for the Case 420CT?
Yes — along with the rubber track we carry bottom rollers, drive sprockets, front idlers, rear idlers for the Case 420CT, so you can refresh the whole undercarriage in one order.