Double Flange Track Roller CR3001 1780615 2313080 3T4353 6S3608 for Caterpillar 931C 933C 935B Track Loader

Technical Specifications & Fitment

Manufactured to 1:1 OEM precision to ensure seamless installation and long-term durability.

Why Double Flange Is Critical — Never Substitute with Single Flange

Double flange rollers provide superior lateral stability compared to single flange versions. On the 931C/933C/935B series, the track chain experiences frequent side loads during sharp turns, backfilling, or working on inclines. The second flange actively prevents the chain from climbing or shifting sideways, keeping links centered and reducing:

• Uneven flange-to-link contact that causes premature wear on one side
• Track "walking" or derailing under load
• Increased stress on carrier rollers, idlers, and sprockets

Using a single flange roller as a substitute may fit dimensionally, but it allows excessive lateral movement, shortens track life, and can lead to catastrophic misalignment in demanding applications.

Key Features & Manufacturing Advantages

Double flange construction — machined for exact track channel width, ensuring optimal guidance and minimal side thrust.

Forged 40Mn steel body — dense grain structure resists cracking under repeated impacts from roots, rocks, or frozen soil.

Induction-hardened tread — HRC 50–58 with 7–10 mm case depth to fight abrasion and flat spotting in sandy or gravelly conditions.

Precision CNC machining — tight tolerances on flange spacing, tread diameter, and bore alignment for true drop-in fit—no shimming required.

The Domino Effect of Worn Track Rollers

Ignoring a failed Double Flange Track Roller on your Cat loader will lead to:

Link Rail "Scalloping": A seized roller acts like a grindstone against your track links, creating uneven wear that causes the machine to shake during travel.

Final Drive Stress: The resistance from a non-spinning roller forces the final drive to work harder, increasing hydraulic temperatures and fuel consumption.

Frame Rail Damage: Excessive play in a worn roller can cause the wheel to strike the track frame, leading to structural fatigue.

Track Loader Track Rollers Maintenance Tips

Inspect for oil leaks or flat spots every 100–150 hours.

Clean debris from flanges weekly—packed mud grinds seals faster.

Maintain track sag at 25–35 mm; loose tracks overload the flanges.

Replace rollers in pairs (both sides) for balanced wear.

FAQ

Q: Why can't I use a single flange roller instead?

A: Single flange allows too much lateral play on these models, leading to faster chain wear and potential derailment. Double flange is the correct OEM design for stability.

Q: How many bottom rollers per machine?

A: Typically 5–6 per side (10–12 total), depending on exact model variant.

Q: Do you offer full kits for the 935B?

A: Yes — track chains, idlers, sprockets, carrier rollers, and shoes available as matched sets.