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| Specification | Details |
|---|---|
| Engine Model | YC4S140-48(S56D1) |
| Rated Power | 140 HP (103 kW) |
| Rated Torque | 450 N·m @ 1400-1800 rpm |
| Emission Standard | Euro IV / China IV |
| Application Field | Heavy-duty trucks, 7-7.5m buses, 3.8-8t light-duty trucks, construction machinery (loaders, excavators) |
| Core Advantages | Low fuel consumption (≤198g/kW·h), strong reliability, -30℃ cold start capability |
Confirm Compatibility: All parts are 100% compatible with Yuchai YC4S140-48(S56D1) turbocharged diesel engine. With 3.8L displacement, 103kW rated power, and Euro IV compliance, this engine is widely used in medium/light-duty trucks and 4×2 vans. Our parts are tailored for its low-noise, fuel-efficient (199g/kW·h) design, meeting routine maintenance and emergency repair needs.
Parts Coverage: Our parts cover core systems of the engine: power core (cylinder block, piston, crankshaft damper), fuel & emission (injection pump, turbocharger, EGR), lubrication & cooling (oil pump, filter, water pump), and electrical & auxiliary (alternator, starter, ECU). EWP-marked wear parts are easy to identify.
Quality Assurance: All parts adhere to Yuchai’s technical standards, with part numbers matching the original catalogue. Key components use high-strength materials; wear parts pass strict tests. We offer an 18-month or 150,000km warranty, plus 24-hour English technical guidance and global after-sales service for seamless installation.
Practical Tips: For accurate selection, reference the original part number or provide your engine’s production batch. Our parts restore fuel efficiency and dynamic performance, minimizing downtime. Bulk orders enjoy preferential pricing.
| No. | Part No. | Description | Qty. | Remark |
|---|---|---|---|---|
| 1 | Q1841065TF2 | Bolt M10×65 | 4 | |
| 2 | S53YA-1308150 | Fan belt | 1 | |
| 3 | F31D8-1308102 | Spacer block | 1 | |
| 4 | S2000-1308302 | Air fan belt pulley | 1 | |
| 5 | S2000-1308300A | Fanshaft part | 1 | |
| 6 | Q1840830TF2 | Bolt M8×30 | 4 |
| No. | Part No. | Description | Qty. | Remark |
|---|---|---|---|---|
| 9 | YC209-C130150PL | Oil seal 130X150 | 1 | Easy Wear Part |
| 10 | S52LA-1005360 | Flywheel and geared ring parts | 1 | |
| 11 | S2000-1005363 | Flywheel bolt | 8 | |
| 12 | D350L-1600740 | Clutch driven disc parts | 1 | |
| 16 | E02F6-1600750 | Clutch cover and disc parts | 1 | |
| 18 | GB/T276-6205-2RS1 | Bearing 6205-2RS1 | 1 | Easy Wear Part |
| No. | Part No. | Description | Qty. | Remark |
|---|---|---|---|---|
| 1 | Q1841025 | Bolt M10 X 25 | 2 | |
| 2 | S5500-3407100 | Steering Pump | 1 | |
| 3 | S2000-3407001 | Steering gear pump | 1 | |
| 4 | GB/T6177.2-12125 | Nut M12X1.25 | 1 |
| No. | Part No. | Description | Qty. | Remark |
|---|---|---|---|---|
| 2 | G4606-3509014 | Seal washer | 3 | Easy Wear Part |
| 5 | Q/YC149-14 | Seal washer 14 | 6 | Easy Wear Part |
| 10 | YC208-C11200F | O-ring 3.55X112 | 1 | Easy Wear Part |
| 11 | S6000-3509100A | Air compressor | 1 | |
| 18 | A4130-3509011 | Oil inlet pipe assembly | 1 |
| No. | Part No. | Description | Qty. | Remark |
|---|---|---|---|---|
| 3 | S5500-3701100 | Alternator | 1 | |
| 4 | S5500-3701002A | Alternator Bracket | 1 | |
| 5 | Q150B10140TF2 | Bolt M10×140 | 1 | |
| 8 | Q340B10 | Nut M10 | 1 |
