| Customization: | Available |
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| After-sales Service: | Overseas Third-Party Support Available |
| Warranty: | 1 Year or 1500 Running Hours Which Come First |
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| Model | YCC105TA4000-G31 |
| Type | Vertical, in-line, water-cooled, four-stroke |
| Induction system | Turbocharged |
| Type of combustion chamber | Direct-injection reentrant ω combustion chamber |
| Cylinder quantity - Bore x stroke. | 4-108×115mm |
| Number of valve per cylinder. | 2 |
| Displacement | 4.21L |
| Compression ratio | 17.5:1 |
| Cylinder type | Wet-type cylinder sleeve |
| Firing order |
1-3-4-2
|
| Fuel supply system | Mechanical pump+electronic governor |
| Lubrication mode | Combination of pressure and splashing |
| Starting mode | Electric |
| Engine oil capacity | 11L(dry-type engine) |
| Engine oil and fuel consumption ratio | ≤0.1% |
| Rotation |
Anticlockwise (facing the power delivery end)
|
| Minimum no-load speed. | 700~750 r/min |
| Speed-regulation grade | ISO 8528 G3 |
| Engine | 430kg |
| Radiator | 60kg |
| Engine speed | Application | Standard generator unit output | Engine power | ||||
| Total power | Net power | ||||||
| r/min | kVA | kW | kW | Ps | kW | Ps | |
| 1800 | Prime | 68.75 | 55 | 66 | 90 | 62 | 84 |
| Standby | 75 | 60 | 72.6 | 99 | 68.6 | 93 | |
1. The mature piston seal technology of Yuchai is adopted, effectively reducing lubricating oil consumption.
2. High-strength crankshaft + reinforced gantry type engine body + inter-cooled oil duct piston are adopted, ensuring the reliability and durability of engine.
3. The engine water pump is driven by belts and it is arranged in a simple way for easy maintenance.
| Model | YCD4.2T80-G30 | YCD4.2T90-G30 | YCD4.2T105-G30 | YCD4.2140-G30 | |
| (YC4D80-D34) | (YC4D90-D34) | (YC4D105-D34) | (YC4D140-D31) | ||
| Cylinder quantity - | 4-102×118 | 4-102×118 | 4-110×125 | 4-110×125 | |
| bore/stroke (mm) | |||||
| Displacement (L) | 3.86 | 3.86 | 4.75 | 4.75 | |
| Number of valves per cylinder | 2 | 2 | 2 | 2 | |
| Aspiration | T | T | T | TAA | |
| PRP/Speed(r/min) | 53/1500 | 60/1500 | 70/1500 | 100/1500 | |
| ESP/Speed(r/min) | 59/1500 | 66/1500 | 77/1500 | 110/1500 | |
| Fuel System | HPCR | HPCR | HPCR | HPCR | |
| Generator | PRP(kWe) | 45 | 50 | 60 | 80 |
| ESP(kWe) | 50 | 55 | 64 | 90 | |
| Model | YCD4.2155-G30 | YCD4.2140-G32 | YCD4.2155-G32 | YCD4.2180-G32 | |
| (YC4D155-D31) | (YC4D140-D33) | (YC4D155-D33) | (YC4D180-D33) | ||
| Cylinder quantity - | 4-108×115 | 4-108×115 | 4-108×115 | 4-108×115 | |
| bore/stroke (mm) | |||||
| Displacement (L) | 4.21 | 4.21 | 4.21 | 4.21 | |
| Number of valves per cylinder | 2 | 2 | 2 | 2 | |
| Aspiration | TAA | TAA | TAA | TAA | |
| PRP/Speed(r/min) | 103/1500 | 95/1800 | 103/1800 | 120/1800 | |
| ESP/Speed(r/min) | 113/1500 | 105/1800 | 113/1800 | 132/1800 | |
| Fuel System | HPCR | HPCR | HPCR | HPCR | |
| Generator | PRP(kWe) | 90 | 80 | 90 | 100 |
| ESP(kWe) | 100 | 90 | 100 | 110 | |
| Model | YCD4.2N60-G20 | YCD4.2T90-G20 | YCD4.2N65-G21 | YCD4.2T80-G21 | YCD4.2T100-G21 | |
| (YC4D60-D21) | (YC4D90Z-D21) | (YC4D65-D20) | (YC4D80Z-D20) | (YC4D100Z-D20) | ||
| Cylinder quantity - | 4-108×115 | 4-108×115 | 4-108×115 | 4-108×115 | 4-108×115 | |
| bore/stroke (mm) | ||||||
| Displacement (L) | 4.21 | 4.21 | 4.21 | 4.21 | 4.21 | |
| Number of valves per cylinder | 2 | 2 | 2 | 2 | 2 | |
| Aspiration | NA | T | NA | T | T | |
| PRP/Speed(r/min) | 40/1500 | 60/1500 | 44/1800 | 55/1800 | 66/1800 | |
| ESP/Speed(r/min) | 44/1500 | 66/1500 | 48/1800 | 60.5/1800 | 72.6/1800 | |
| Fuel System | Mechanical pump | Mechanical pump | Mechanical pump | Mechanical pump | Mechanical pump | |
| Generator | PRP(kWe) | 30 | 50 | 30 | 48 | 55 |
| ESP(kWe) | 32 | 55 | 33 | 50 | 60 | |
Founded in 1992, Guangxi Yuchai Machinery Co., Ltd. (Yuchai for short) is the first Chinese-foreign joint venture in the domestic industry listed abroad. Headquartered in Yulin, Guangxi Zhuang Autonomous Region, we have 11 subsidiaries and distribute our production bases in such areas as Guangxi, Jiangsu, Anhui and Shandong. As an internal combustion engine manufacturing base with a complete range of products in China and broad areas of application, we have an annual sales revenue exceeding CNY 20 billion and an annual engine output of 600,000 sets.
Driven by the mission of "realizing customer value and driving better lives", we share market, technology and product achievements and development opportunities with all partners, and coordinate with OEMs, dealers, service stations and suppliers to achieve win-win.
FAQ
Q1: Are your engines genuine Yuchai/Shangchai products?
Yes! We are an authorized distributor of Yuchai and Shangchai, supplying 100% OEM engines with complete traceability.
All products include original factory warranties.
Q2: What's your payment terms?
Bulk orders: 30% deposit + 70% before shipment.
Q3: What's the lead time for engines/generators?
Standard models: 15-30 days after payment.
Customized units (e.g., voltage/frequency adjustments): 30-45 days.
Q4:Do you provide after-sales service and spare parts?
-Global technical support via WhatsApp/Email.
-10-year spare parts supply guarantee for all models.
-Local service partners for faster response.
Q5:Any quality certifications?
-Yuchai/Shangchai factory certifications.
-ISO 9001, ISO 14001, CE, SONCAP.
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