CAT 304ECR Rubber Tracks — OEM grade replacement tracks engineered for contractor-grade performance.
This product covers all factory-fit track sizes and tread patterns for the CAT 304ECR. Select your size and tread combination from the dropdown.
- Continuous Steel Cord — 40% stronger than competitor tracks
- Premium Virgin Rubber — anti-chunk, anti-tear compound
- Drop-Forged Steel Links — precision OEM alignment
- 24-Month Warranty — backed by TrackTECH's contractor guarantee
Specifications
- Track Size: 300x52.5Wx90
- Width: 300 mm
- Pitch: 52.5 mm
- Links: 90
- Tread Pattern: Directional
- Compatible Make: Cat
- Compatible Model: 304ECR
The TrackTECH advantage
- Same-day shipping on in-stock orders placed before 12 PM EST
- Free freight to the lower 48 states
- 24-month warranty on materials and workmanship
- Contractor pricing — bulk and fleet discounts available
- Fitment guaranteed — we verify before we ship
TREAD PATTERN
Directional
300x52.5Wx90Directional tread patterns feature forward-angled lugs optimized for straight-line traction and stability. This design excels in trenching, grading, and precision digging.
View All Tread Patterns →
FREQUENTLY ASKED QUESTIONS
Common questions about CAT 304ECR rubber tracks
What size rubber tracks fit the Cat 304ECR?
The Cat 304ECR uses 300x52.5Wx90 rubber tracks (Width: 300mm, Pitch: 52.5mm, Links: 90). Always verify the size stamped on your existing track or use the TrackTECH Rubber Track Finder before ordering.
What sprocket fits the Cat 304ECR?
Matching drive sprocket options for the Cat 304ECR include CAT 304ECR Sprocket | Part #264-5371. When installing new rubber tracks, inspect sprockets for hooked, sharp, or uneven teeth because worn sprockets can shorten track life and damage the drive lugs.
What bottom rollers fit the Cat 304ECR?
Matching bottom roller or track roller options for the Cat 304ECR include CAT 304ECR Track Roller | Part #266-8793. Replacing worn rollers before installing new rubber tracks helps keep the undercarriage aligned and reduces uneven wear across the track carcass.
What front idler fits the Cat 304ECR?
Matching front idler options for the Cat 304ECR include CAT 304ECR Front Idler | Part #267-4829. Front idlers guide the track and help maintain proper tension, so inspect the flange, bearing condition, and wear surface before installing new tracks.
What top roller fits the Cat 304ECR?
Matching top roller options for the Cat 304ECR include CAT 304ECR Carrier Roller | Part #266-8794. Top rollers support the upper track path and should be checked for bearing play, flat spots, and uneven wear during undercarriage service.
What other machines use the 300x52.5Wx90 rubber track?
The 300x52.5Wx90 rubber track size is used across multiple compact machines, including 300x52.5Wx90, Cat 303-5-ECR, Cat 303-5CCR, Cat 303-5ECR, Cat 303CCR, Cat 303-5DCR, IHI 35UJ, and IHI 38UJ. Always confirm by checking the size stamped on your current track and your machine serial number before ordering.
Should I replace undercarriage parts when installing new Cat 304ECR tracks?
Yes, inspect sprockets, rollers, and idlers before installing new rubber tracks on the Cat 304ECR. Worn undercarriage parts can shorten track life, cause poor alignment, and create uneven wear. Shop matching parts from the linked products above or view all undercarriage parts.
How do I confirm this product fits the Cat 304ECR?
Confirm fitment by checking your machine make, model, serial number, and existing track size or OEM part number. For rubber tracks, verify width, pitch, and link count. For undercarriage parts, compare the part number, bolt pattern, tooth count, and machine position. You can also use the TrackTECH Track Finder or call (850) 816-7898 before ordering.
What track size fits the CAT 304ECR?
The CAT 304ECR uses a 300x52.5Wx90 rubber track. This is the OEM-specified size ensuring proper fitment with your sprockets and undercarriage. Always verify the size stamp on your existing track before ordering.
What warranty comes with CAT 304ECR rubber tracks?
All CAT 304ECR replacement rubber tracks include a 24-month warranty covering defects in materials and workmanship under normal operating conditions. This applies to contractor-grade use on properly maintained undercarriage systems.
What tread patterns are available for the CAT 304ECR?
The CAT 304ECR is available with ["Directional"] tread pattern. C-Block excels on hard surfaces, Zig-Zag provides all-season traction, and Multi-Bar is ideal for turf and landscaping work.
How fast can I get CAT 304ECR tracks shipped?
Orders placed before 12 PM CT ship same day from our Georgia warehouse. Standard delivery is 1-3 business days nationwide. Tracks ship on pallets with free curbside delivery to commercial addresses.
How do I confirm these tracks will fit my CAT 304ECR?
Three ways to verify fitment: (1) Check the size stamp on your current track. (2) Use our Track Finder tool with your serial number. (3) Call (850) 816-7898 and we will confirm compatibility before you order.
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