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192-0220
| Availability: | |
|---|---|
| Item | Specification |
|---|---|
| Part Number | 192-0220 (or 1920220) |
| Product Name | Idler Group / Front Idler Assembly |
| Product Type | Undercarriage Component |
| Compatible Machine Models | Caterpillar D7R, D7R II, D7R LGP, D7R Series Dozers |
| Single Weight | 196 kgs (432.1 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 192-0220 idler
D7R front idler assembly
1920220 undercarriage part
196 kg idler for D7R dozer
Replacement idler for CAT D7R
Caterpillar dozer front idler
D7R II track idler
The Caterpillar 192-0220 Idler Group (Front Idler Assembly) is a genuine OEM-specification undercarriage component designed for the Caterpillar D7R, D7R II, and D7R LGP dozers. This idler is a critical component that guides the track chain and maintains proper track tension at the front of the undercarriage.
The D7R series are large dozers 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 (196 kg) | Robust build for large dozer applications |
| D7R Series Optimized | Specifically engineered for CAT D7R series dozers |
| Direct OEM Replacement | Guaranteed fit and performance |
| Machine Model | Type | Application |
|---|---|---|
| D7R | Dozer | Construction, dozing, land clearing |
| D7R II | Dozer | Construction, dozing, land clearing |
| D7R LGP | Dozer | Construction, dozing, land clearing |
| Component | Part Number | Description |
|---|---|---|
| Single Flange Roller | 550-0278 | Single flange roller (69 kg) |
| Double Flange Roller | 551-2067 | Double flange roller (78.6 kg) |
| Track Assembly | 422-1129 | Complete track assembly (1,960 kg) |
| Sprocket Segment | 314-5462 | Sprocket segment (13.5 kg) |
Position: This is a front idler - do not use in other positions
Lifting Requirement: Due to weight (196 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 | 192-0220 / 1920220 |
| Type | Idler Group / Front Idler Assembly |
| Weight | 196 kg per piece |
| Compatibility | CAT D7R, D7R II, D7R LGP Dozers |
| Packaging | Individual crate |
Note: This is a front idler assembly for the Caterpillar D7R series dozers. Due to its weight (196 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.
