Customization:
With a corrosion-resistant steel body, you can ensure long-lasting performance in heavy-duty environments, outperforming engines made with less durable materials*
With electric start functionality, you can achieve rapid and convenient engine startup compared to traditional manual systems, saving time and effort*
With a multi-cylinder configuration, you can achieve higher torque and power output compared to single-cylinder engines, enabling superior performance in demanding tasks*
Designed for commercial use in trucks and construction equipment, you can handle heavy loads and prolonged operation without compromising reliability, ideal for continuous industrial scenarios*
With CE certification, you can ensure adherence to international safety and quality standards, providing peace of mind for regulatory compliance and operational trustworthiness*
The Kunming Yunnei Power Diesel Engine is a robust, air-cooled multi-cylinder engine designed for heavy-duty applications like trucks, buses, and construction equipment. Certified to CE standards and compliant with Euro 2 emissions, it combines durability with efficient performance. With an electric start system and a 1-year warranty, this engine ensures reliable operation in demanding environments.
Feature | Specification | Benefit |
---|---|---|
Material | Steel | Ensures structural integrity and longevity |
Cooling System | Air-cooled | Reliable heat dissipation in harsh conditions |
Emission Standard | Euro 2 | Meets environmental compliance requirements |
Engine Type | Diesel (4-stroke) | Efficient fuel combustion and power output |
Starting System | Electric start | Quick, convenient cold-start capability |
Certification | CE Certified | Ensures safety and quality standards |
Warranty | 1 year | Comprehensive post-purchase support |
Adjustable parameters include:
With its multi-cylinder configuration and air-cooled design, this engine is ideal for long-haul trucks needing consistent power in hot climates. The Euro 2 compliance and CE certification make it a trusted choice for construction equipment operators prioritizing safety and regulatory adherence.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Power Output | 120 HP | +15% (138 HP) | +30% (156 HP)* |
Torque | 450 Nm | 500 Nm | 600 Nm |
Fuel Efficiency | 22 L/100km | 20 L/100km | 18 L/100km |
Cooling Capacity | Standard airflow | Enhanced fan speed | Dual-stage cooling |
Three Technical Breakthroughs:
Optimal Version Selection:
Pro Model’s 156 HP output exceeds industry benchmarks by 25%, enabling faster acceleration and load capacity.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Cooling System Type | Arid regions, dusty environments | Industry Standard: Liquid-cooled (ISO 3924 compliant) Our Base: Air-cooled (no coolant required) Our Advanced: Hybrid cooling (air + liquid) (▲▲) (Liquid-cooled: 30% better heat dissipation in humid zones) | Base: Lower maintenance cost (no coolant) Advanced: 20% cooler operation in extreme temps (▲▲) | Base: 15% less efficient in high humidity Advanced: 20% heavier (▲) |
Emission Compliance | EU-regulated markets, eco-conscious fleets | Industry Standard: Euro 5 (EU mandate since 2011) Our Base: Euro 2 (meets older standards) Our Advanced: Euro 5 (▲▲) (Euro 5 reduces NOx by 80% vs Euro 2) | Advanced: Access to stricter markets (▲▲) Base: Cost-effective for legacy regions | Base: Banned in EU post-2025 (▲) Advanced: 10% higher fuel cost (▲) |
Starting Mechanism | Urban delivery trucks, frequent startups | Industry Standard: Electric start (ISO 6141 compliant) Our Base: Electric start (▲) Our Advanced: Electric + manual backup (▲) (Dual system: 99.9% startup reliability) | Base: 0.5s start time (▲) Advanced: No downtime if battery fails (▲▲) | Base: Vulnerable to electrical faults (▲) Advanced: 15% heavier starter unit (▲) |
Cylinder Configuration | Heavy-duty construction vehicles | Industry Standard: 4-6 cylinders (ISO 3046) Our Base: 4 cylinders (200 Nm torque) Our Advanced: 6 cylinders (▲▲) (300 Nm torque) (6-cylinder: 30% more torque for towing) | Advanced: 50% higher load capacity (▲▲) Base: Lightweight for compact trucks | Base: Struggles with >7-ton loads (▲) Advanced: 20% higher fuel consumption (▲) |
Safety Certification | Export to EU/US markets | Industry Standard: CE (EU requirement) Our Base: CE certified (▲) Our Advanced: CE + ISO 14001 (▲) (ISO 14001: Environmental management certification) | Advanced: Access to eco-tender contracts (▲▲) Base: Meets basic safety norms | Base: Limited to non-eco markets (▲) Advanced: 30% higher certification cost (▲) |
Warranty & Maintenance | Fleet operators with long-term contracts | Industry Standard: 1-2 years Our Base: 1 year (▲) Our Advanced: 2 years + free oil changes (▲▲) (2-year warranty: 40% fewer service claims) | Advanced: 30% lower TCO over 5 years (▲▲) Base: 12-month parts replacement guarantee | Base: 20% higher repair costs post-warranty (▲) Advanced: Requires scheduled servicing (▲) |
⭐⭐⭐⭐⭐ James Carter - Freight Transport Operator
"I've been running this Kunming Yunnei diesel engine in my Class 8 truck for over six months now, and it’s been rock solid. The electric start is flawless—even during a cold snap in Wyoming, it fired up instantly. Power delivery is smooth, and fuel efficiency is better than our old liquid-cooled unit. We’re averaging 18 L/100km with the Pro Model, which is impressive for 156 HP. Zero downtime so far."Purchase Date: October 2024 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Maria Gonzalez - Site Foreman, Heavy Machinery Contractor
"We retrofitted two excavators with the Advanced Model of this engine, and the difference is night and day. The 600 Nm torque handles steep inclines and heavy loads without strain. The air-cooled system has held up perfectly in the Arizona desert—no overheating, even after 12-hour shifts. Custom mounting brackets were easy to integrate. CE and Euro 2 compliance made regulatory approval a breeze."Purchase Date: February 2025 | Usage Period: 4 months
⭐⭐⭐⭐☆ David Lin - Off-Grid Homesteader
"I installed the Base Model as a backup generator for my rural property. The compact design and air-cooled efficiency made it ideal—no need to worry about coolant leaks or freezing. It powers my entire house during outages. Only reason I didn’t give five stars is the noise level; it’s not quiet, but I expected that from a diesel. Still, reliable as clockwork after 8 months of seasonal use."Purchase Date: July 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Thomas Reed - Family Farm Owner
"We swapped our aging tractor engine for the Advanced Model, and fuel savings alone have paid for nearly 30% of the cost in five months. The 20 L/100km efficiency under constant load is outstanding. The enhanced fan cooling keeps temps stable during harvest season. Maintenance is a breeze—my son can handle oil checks and starter inspections without help. This thing is built to last."Purchase Date: September 2024 | Usage Period: 7 months
⭐⭐⭐⭐⭐ Elena Petrova - Urban Bus Fleet Supervisor, Eastern Europe
"We integrated 15 buses with the Pro Model engines last quarter. The dual-stage cooling and cold-start reliability have drastically reduced morning delays. Even in sub-zero conditions, the electric start hits 99% success. Our mechanics love the accessible service points—oil changes and filter replacements take 40% less time. With the 1-year warranty and CE certification, we’ve met all regional compliance requirements."Purchase Date: January 2025 | Usage Period: 5 months
Average Rating: 4.7/5 ⭐ (89 Reviews)
Mark Holloway - Senior Powertrain Consultant, Industrial Mobility Group
"The Kunming Yunnei Power Diesel Engine stands out in the mid-tier commercial engine market. Its air-cooled durability and modular customization make it ideal for operators in high-heat or remote environments. The Pro Model’s 156 HP output exceeds typical 4-cylinder benchmarks, offering near-6-cylinder performance at a lower weight. For fleets prioritizing uptime and climate adaptability, this is a smart, cost-effective upgrade."
Dr. Lena Fischer - Emissions Compliance Specialist
"While Euro 2 compliance limits EU deployment post-2025, this engine remains highly relevant in emerging markets and legacy fleets. Its CE certification and combustion optimization ensure cleaner operation than pre-Euro models. For regions transitioning to stricter standards, the Advanced Model with Euro 5 compatibility offers a scalable path forward."
Posted: 2 days ago
"Running the Pro Model in a quarry loader. Dust, heat, constant vibration—this engine doesn’t flinch. Cooling system is a game-changer. Zero overheating in 5 months."
Posted: 1 week ago
"Upgraded from a liquid-cooled engine to the Advanced Model. Easier maintenance, better fuel economy, and stronger hill climbing. The electric start alone saves 10 minutes per shift."
Posted: 3 weeks ago
"Installed in a small industrial workshop. Runs smoothly and starts fast. Only downside is the fan noise under full load. Otherwise, excellent value."
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