 |
loading
| Item | Specification |
|---|---|
| Part Number | 202-4304 (or 2024304) |
| Product Name | Idler Group / Front Idler Assembly |
| Product Type | Undercarriage Component |
| Compatible Machine Models | Caterpillar D6R Dozer |
| Single Weight | 178 kgs (392.4 lbs) |
| Material | High-strength alloy steel, induction-hardened tread surface |
| Sealing Type | Floating / Duo-cone seals for contamination protection |
| Application | Guides and maintains proper tension of the track chain |
| Industry Focus | Construction, Land Clearing, Heavy Dozing, Mining Support |
Caterpillar 202-4304 idler
D6R front idler assembly
2024304 undercarriage part
178 kg idler for D6R dozer
Replacement idler for CAT D6R
Caterpillar dozer front idler
D6R track idler
The Caterpillar 202-4304 Idler Group (Front Idler Assembly) is a genuine OEM-specification undercarriage component designed for the Caterpillar D6R dozer. This idler is a critical component that guides the track chain and maintains proper track tension at the front of the undercarriage.
The D6R is a medium-to-large dozer used in construction, land clearing, heavy dozing, and mining support applications. The idler features a precision-machined tread surface with induction hardening for maximum wear resistance. Advanced floating seals prevent contamination and retain lubrication, ensuring extended service life.
| Feature | Benefit |
|---|---|
| Induction-Hardened Tread Surface | Exceptional wear resistance in abrasive conditions |
| Floating / Duo-Cone Seals | Advanced sealing prevents contamination and retains lubrication |
| High-Strength Alloy Steel | Maximum durability for demanding applications |
| Precision Bearings | Smooth rotation with minimal friction for extended service life |
| Heavy-Duty Construction (178 kg) | Robust build for dozer applications |
| D6R Optimized | Specifically engineered for Caterpillar D6R dozer |
| Direct OEM Replacement | Guaranteed fit and performance |
| Specification | Detail |
|---|---|
| Machine Model | Caterpillar D6R Dozer |
| Machine Type | Medium-to-Large Dozer |
| Operating Weight | ~18,000 - 20,000 kg |
| Engine Power | ~180-200 HP |
| Position | Front idler |
| Component | Part Number | Description |
|---|---|---|
| Bottom Roller (Single) | 288-0934 | Single flange roller (58 kg) |
| Bottom Roller (Double) | 288-0935 | Double flange roller (53 kg) |
| Top Roller | 235-5974 | Carrier roller (40 kg) |
| Sprocket | — | Drive sprocket |
Position: This is a front idler - do not use in other positions
Lifting Requirement: Due to weight (178 kg), specialized lifting equipment and mechanical assistance are required
Bolt Torque: Follow Caterpillar OEM specifications for mounting bolt torque
Track Tension: The idler works with the tensioner to maintain proper track sag
Regular Inspection: Check for tread wear, seal damage, and bearing play periodically
Replacement: Replace when tread wear exceeds OEM specifications or when seal failure occurs
| Condition | Action |
|---|---|
| New tread - sharp profile | Normal operation |
| Moderate tread wear | Monitor regularly |
| Excessive tread wear (flat spots) | Replace idler |
| Seal leakage | Replace idler immediately |
| Bearing play | Replace idler |
| Item | Detail |
|---|---|
| Part Number | 202-4304 / 2024304 |
| Type | Idler Group / Front Idler Assembly |
| Weight | 178 kg per piece |
| Compatibility | Caterpillar D6R Dozer |
| Packaging | Individual crate |
Note: This is a front idler assembly for the Caterpillar D6R dozer. Due to its weight (178 kg), specialized lifting equipment and professional installation are required. Verify machine serial number and undercarriage configuration before ordering. Regular inspection of the idler tread and seals is essential for optimal undercarriage performance.
