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| Engine Model | YC4D120-21(D1204) |
| Rated Power | 120 HP (90 kW) @ 2800 rpm |
| Rated Torque | 420 N·m @ 1600-1900 rpm |
| Emission Standard | Euro II / China II |
| Application Field | Light-duty/medium-duty trucks, construction machinery |
| Core Advantages | Low fuel consumption, high reliability, turbocharged intercooled |
Power, Precision, Partnership: The Genuine Yuchai Ecosystem
Choose the authentic power legacy of Yuchai. Our 100% genuine OEM parts for the YC4D120-21(D1204) engine are designed to restore its original horsepower, torque, and efficiency.
Uncompromised Quality
Every part is produced to identical specifications under the stringent Yuchai Quality Control System (QCS), guaranteeing perfect fitment and durability.
1. D1204-1001000/01 Engine suspending assembly
| No. | Part No. | Name | Qty. |
|---|---|---|---|
| 1 | D1204-1001240 | Front Left assembly | 1 |
| 2 | D1204-1001140 | Front Right assembly | 1 |
2. D0708-1002000/13 Cylinder Block Assembly
| No. | Part No. | Name | Qty. |
|---|---|---|---|
| 1 | Q1840855TF2 | Bolt M8×55 | 3 |
| 5 | D30-1002114C | Cylinder block | 1 |
| 10 | D30--1002740 | Nozzle subassembly | 4 |
