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| Item | Specification |
|---|---|
| Part Number | 196-9955 (or 1969955) |
| Product Name | Single Flange Track Roller / Bottom Roller |
| Product Type | Undercarriage Component |
| Compatible Machine Models | Caterpillar D9T Dozer |
| Roller Type | Single Flange (Bottom/Lower Track Roller) |
| Single Weight | 113 kgs (249.1 lbs) |
| Material | High-strength alloy steel with induction-hardened wear surface |
| Sealing Type | Floating / Duo-cone seals for contamination protection |
| Application | Supports machine weight and guides the track chain |
| Industry Focus | Mining, Heavy Dozing, Construction, Land Clearing |
Caterpillar 196-9955 track roller
D9T single flange roller
1969955 bottom roller
CAT D9T undercarriage parts
113 kg track roller for D9T dozer
Replacement bottom roller for CAT D9T
D9T track roller assembly
The Caterpillar 196-9955 Single Flange Track Roller is a genuine OEM-specification undercarriage component designed for the Caterpillar D9T dozer. This single flange track roller (bottom roller) is a critical load-bearing component that supports the machine's weight and guides the track chain during operation.
The D9T is a large dozer used in mining, heavy dozing, construction, and land clearing applications. The single flange design provides effective track guidance while balancing weight and durability. Manufactured from high-strength alloy steel with induction-hardened tread surfaces, it delivers maximum wear resistance in abrasive conditions.
| Feature | Benefit |
|---|---|
| Single Flange Design | Effective track guidance with balanced weight distribution |
| Induction-Hardened Tread Surface | Exceptional wear resistance in abrasive conditions |
| Floating / Duo-Cone Seals | Advanced sealing prevents contamination and retains lubrication |
| Precision Bearings | Smooth rotation with minimal friction for extended service life |
| Heavy-Duty Construction (113 kg) | Robust build for large dozer applications |
| D9T Optimized | Specifically engineered for Caterpillar D9T dozer |
| Factory Lubricated | Maintenance-free sealed design |
| Direct OEM Replacement | Guaranteed fit and performance |
| Specification | Detail |
|---|---|
| Machine Model | Caterpillar D9T Dozer |
| Machine Type | Large Dozer |
| Operating Weight | ~45,000 - 50,000 kg |
| Engine Power | ~400-450 HP |
| Position | Bottom / Lower track roller |
| Roller Type | Single Flange |
| Application | Mining, heavy dozing, construction |
| Component | Description |
|---|---|
| Track Assembly | Complete track system |
| Idler | Front idler assembly |
| Sprocket | Drive sprocket |
| Top Roller | Carrier roller |
Position: This is a bottom/lower track roller - supports machine weight
Lifting Note: At 113 kg, proper lifting techniques and mechanical assistance are recommended
Bolt Torque: Follow Caterpillar OEM specifications for mounting bolt torque
Regular Inspection: Check for seal damage, bearing wear, and tread wear periodically
Lubrication: Factory-sealed; no field lubrication required
Replacement: Replace when tread wear exceeds OEM specifications or when seal failure occurs
| Condition | Action |
|---|---|
| New tread - smooth rotation | Normal operation |
| Moderate tread wear | Monitor regularly |
| Excessive tread wear (flat spots) | Replace roller |
| Seal leakage | Replace roller immediately |
| Bearing noise/play | Replace roller |
| Item | Detail |
|---|---|
| Part Number | 196-9955 / 1969955 |
| Type | Single Flange Track Roller (Bottom Roller) |
| Weight | 113 kg per piece |
| Compatibility | Caterpillar D9T Dozer |
| Packaging | Individual crate |
Note: This is a single flange bottom track roller for the Caterpillar D9T dozer. Verify machine serial number and undercarriage configuration before ordering. Due to weight (113 kg), proper lifting techniques and mechanical assistance are recommended during installation.
