SC11CB184G2B1 Diesel Engine Assembly 6121 for CAT D6D D6G Construction Engine Parts
This 6121 diesel engine assembly (SDEC SC11CB184G2B1) is a direct replacement for CAT D6D and D6G bulldozers, delivering reliable 135kW power at 1850rpm for heavy-duty construction work.
✅ Key Selling Points:
- Perfect Fit: Direct bolt-on replacement with matching flywheel and mounting dimensions for CAT D6D/D6G.
- Proven Power: 135kW rated power with mechanical fuel injection for consistent performance in harsh environments.
- Durable Build: Heavy-duty cast iron block and components built to withstand bulldozer workloads.
- Ready to Install: Complete assembly with flywheel, air filter, and auxiliary parts included for hassle-free installation.
| Parameter |
Specification |
| Engine Model |
SC11CB184G2B1 (6121 series diesel engine) |
| OEM Application |
D6D / D6G Bulldozer (and compatible construction machinery) |
| Rated Power |
135 kW (net power 132 kW) |
| Rated Speed |
1850 rpm |
| Configuration |
In-line 6-cylinder, 4-stroke, water-cooled diesel engine |
| Displacement |
11L (6121 series) |
| Emission Standard |
China National II / Tier 2 equivalent |
| Fuel System |
Mechanical inline fuel injection pump |
| Aspiration |
Naturally aspirated / turbocharged (per application) |
| Cooling System |
Water-cooled with heavy-duty radiator and fan |
| Net Mass |
960 kg |
| Max Altitude Adaptation |
3.0 km |
| Governor Type |
Mechanical governor |
| Flywheel Included |
Yes (factory-matched flywheel for direct installation) |
| Key Features |
Durable cast iron block, heavy-duty construction for bulldozer use, direct bolt-on fit for D6D/D6G |
| Condition |
New / Used / Remanufactured replacement assembly |




