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111-1730
| Availability: | |
|---|---|
| Item | Specification |
|---|---|
| Part Number | 111-1730 (or 1111730) |
| Product Name | Idler Group / Front Idler Assembly |
| Product Type | Undercarriage Component |
| Compatible Machine Models | Caterpillar D8, D8GC, D8 GC, D8R, D8R II, D8T Dozers |
| Single Weight | 294 kgs (648.2 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 | Mining, Heavy Construction, Land Clearing, Heavy Dozing |
Caterpillar 111-1730 idler
D8T front idler assembly
1111730 undercarriage part
294 kg idler for D8 dozer
Replacement idler for CAT D8R
Caterpillar dozer front idler
D8 GC track idler
The Caterpillar 111-1730 Idler Group (Front Idler Assembly) is a genuine OEM-specification undercarriage component designed for Caterpillar D8 series dozers including D8, D8GC, D8 GC, D8R, D8R II, and D8T. This idler is a critical component that guides the track chain and maintains proper track tension at the front of the undercarriage.
The D8 series are large dozers used in mining, heavy construction, land clearing, and heavy dozing 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 (294 kg) | Robust build for large dozer applications |
| D8 Series Optimized | Specifically engineered for CAT D8 series dozers |
| Direct OEM Replacement | Guaranteed fit and performance |
| Machine Model | Type | Application |
|---|---|---|
| D8, D8GC, D8 GC | Dozer | Mining, heavy construction, dozing |
| D8R, D8R II | Dozer | Mining, heavy construction, dozing |
| D8T | Dozer | Mining, heavy construction, dozing |
| Component | Part Number | Description |
|---|---|---|
| Double Flange Roller | 620-6402 | Double flange roller (96 kg) |
| Track Assembly | — | Complete track system |
| Sprocket | — | Drive sprocket |
Position: This is a front idler - do not use in other positions
Lifting Requirement: Due to weight (294 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 | 111-1730 / 1111730 |
| Type | Idler Group / Front Idler Assembly |
| Weight | 294 kg per piece |
| Compatibility | CAT D8, D8GC, D8 GC, D8R, D8R II, D8T Dozers |
| Packaging | Individual crate |
Note: This is a front idler assembly for the Caterpillar D8 series dozers. Due to its weight (294 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.
