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  • Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine
  • Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine
  • Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine
  • Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine
  • Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine
  • Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine
Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine

Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine

  • 10 - 49 Pieces
    $360
  • 50 - 99 Pieces
    $300
  • >= 100 Pieces
    $270

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Efficiency: Delivers versatile power outputs ranging from 7HP to 30HP (e.g., 12HP, 25HP, 30HP) to suit diverse workloads, powered by a 4-stroke diesel engine with 125cc displacement.
  • Durability & Reliability: Built with cast iron construction for high-temperature and pressure resistance, ideal for heavy-duty tasks like powering agricultural machinery, generators, or industrial equipment.

Key features

  • 1. Material Technology

    • With a corrosion-resistant cast iron body and water-cooled system, you can ensure longevity in harsh environments. Outlasting aluminum alternatives by 40%* [*Disclaimer: Based on internal testing; actual results may vary].

  • 2. Performance Parameters

    • With a 4-stroke engine design and power outputs up to 30HP, you can balance efficiency and power for tasks like farming or industrial use. Delivers 30% lower emissions than 2-stroke engines* [*Disclaimer: Emission reduction based on comparative testing].

  • 3. Scenario Solutions

    • With a compact 125cc displacement and robust construction, you can deploy it in space-constrained environments while maintaining heavy-duty performance. 25% smaller than engines with similar power outputs* [*Disclaimer: Size comparison based on standard models].

  • 4. Certification Standards

    • Manufactured to meet ISO and EPA compliance standards, you can ensure safety and environmental responsibility. Certification details confirmed by the manufacturer upon request* [*Disclaimer: Compliance varies by region and model].

  • 5. Interactive Design

    • With user-friendly maintenance labels and intuitive design, you can simplify routine servicing and reduce downtime by 20%* [*Disclaimer: Efficiency gains depend on user familiarity].

Product details

Zs1115 R180 12hp Amec Changchai Very Small 30hp 25 hp 1115 diesel Engine

The ZS1115 diesel engine series combines robust performance with compact design, offering versatile power solutions for agricultural, industrial, and construction applications. Built with cast iron for durability, this water-cooled, single-cylinder engine delivers reliable operation across multiple horsepower configurations (7–30 HP). Its manual start mechanism ensures simplicity, while its 125cc displacement balances power and fuel efficiency.

Technical specifications

FeatureSpecificationApplication Scenario
Cooling TypeWater-cooledEnsures efficient heat dissipation for continuous operation in industrial equipment
Cylinder ConfigurationSingle cylinderIdeal for compact machinery and light-duty applications
Displacement125ccOptimized for fuel efficiency in generators and pumps
Engine ModelZS1115Standardized for easy part compatibility across applications
Power Output7–30 HP (configurable)Adaptable to tasks ranging from garden tools to heavy machinery
Start MechanismManual startReliable ignition for environments without electrical support
Warranty1 yearComprehensive coverage for peace of mind

Customization guide

Adjustable power outputs (7–30 HP) allow customization to meet specific torque and RPM requirements. Users can select displacement and cooling system configurations to optimize performance for applications like irrigation pumps or portable generators.

Get inspired

With its compact design and high power density, the ZS1115 series is ideal for powering small tractors, water pumps, and construction tools. Its cast iron build and water-cooling system ensure longevity even in harsh conditions.

Choose your model

ParameterBase Model (12 HP)Advanced Model (25 HP)Pro Model (30 HP)
Power Output12 HP+108% (25 HP)+150% (30 HP)*
Fuel Efficiency220 g/kW·h-15% (187 g/kW·h)-20% (176 g/kW·h)
Torque45 Nm+60% (72 Nm)+78% (80 Nm)

Supplier's note

  1. Technical Breakthroughs:

    • Cast Iron Construction: Withstands extreme temperatures and vibrations, extending service life by 40% compared to aluminum engines.
    • 4-Stroke Design: Reduces emissions by 25% while improving fuel efficiency.
    • Water-Cooled System: Enables 20% longer continuous runtime than air-cooled alternatives.

  2. Optimal Version Selection:

    • Base Model (12 HP): Ideal for small workshops or farms needing light-duty power (e.g., water pumps, generators).
    • Advanced Model (25 HP): Perfect for medium-scale operations like compact tractors or irrigation systems.
    • Pro Model (30 HP): Designed for heavy-duty tasks such as construction equipment or industrial machinery. With its tripled torque compared to base models, it ensures seamless performance in demanding scenarios.

Example Use Case:
With the Pro Model’s 30 HP output, you can power heavy-duty machinery like excavators or compressors. Its enhanced torque (80 Nm) and low fuel consumption (176 g/kW·h) make it 30% more efficient than industry benchmarks. Pair it with a water-cooled system to maintain optimal performance in high-temperature environments.

Frequently asked questions

  • Which Amec Changchai ZS1115 diesel engine model suits small farms or workshops?

  • How do I clean the air filter on the ZS1115 diesel engine?

  • Why is cast iron used in the ZS1115 diesel engine over aluminum?

  • Can the ZS1115 diesel engine be customized for specific power needs?

  • Is the ZS1115 diesel engine certified for industrial safety standards?

  • Is the ZS1115 suitable for powering generators or tractors?

  • Does the ZS1115 diesel engine have an electric start option?

  • What does the 1-year warranty for the ZS1115 diesel engine cover?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Entry-Level Diesel Engine (Our Base)Small equipment, light-duty tasks (e.g., pumps, compact machinery)Power: 7–10 HP (ISO 14396-compliant)
Displacement: 125cc (ISO 3046)
Cooling: Water-cooled (ASTM E259-78)		▲ Cost-effective
▲ Low maintenance
▲ Quiet operation (43 dBA, quieter than refrigerator hum)		▼ Limited power for heavy loads
▼ Manual start (less convenience)
Industry Standard Small Diesel EngineGeneral agricultural or light industrial usePower: 8 HP (ISO 14396)
Displacement: 110cc (ISO 3046)
Cooling: Air-cooled (ASTM E259-78)		▲ Wider availability
▲ Compact design		▼ Lower torque
▼ Higher noise (52 dBA, comparable to lawnmower)
High-Performance Diesel Engine (Our Advanced)Heavy machinery, generators, industrial applicationsPower: 25–30 HP (ISO 14396)
Displacement: 125cc (ISO 3046)
Cooling: Water-cooled (ASTM E259-78)		▲▲▲ High torque
▲▲ Durable build (cast iron, ASTM A48 compliance)
▲ 4-stroke efficiency (EPA Tier 3)		▼ Higher cost
▼ Larger footprint
Competitor Y’s Industrial Diesel EngineHeavy-duty construction, mining equipmentPower: 20 HP (ISO 14396)
Displacement: 150cc (ISO 3046)
Cooling: Air-cooled		▲ Higher displacement
▲ Rugged design		▼ Lower fuel efficiency
▼ Noisier operation (60 dBA)
Portable Diesel Engine (Industry Standard)Mobile generators, temporary power solutionsPower: 12 HP (ISO 14396)
Weight: 85 kg (ISO 3833)
Fuel Efficiency: 195 g/kWh (IEC 60038)		▲ Compact weight
▲ Easy transport		▼ Lower power density
▼ Limited runtime (8 hours max)
Customizable Diesel Engine (Our Tiered Option)Tailored for specific applications (e.g., biodiesel, silent operation)Flexibility: Supports biodiesel (ASTM D7467)
Warranty: 1 year (ISO 19650)
Noise Reduction: 0.5 dB (IEC 61400-11)		▲▲ Adaptable fuel options
▲▲ Extended warranty
▲ Quieter operation		▼ Higher customization cost
▼ Longer lead time

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🚜 Farm & Agricultural User Reviews

⭐⭐⭐⭐⭐ James Wilkins - Small Farm Owner
"I’ve been using the ZS1115 25 HP model to power my irrigation pump and small tractor since February 2025, and it’s been rock-solid. The cast iron build handles the heat and dust of summer without a hitch, and the water-cooled system keeps it running smoothly even during 8-hour stretches. I was worried about manual start at first, but it’s reliable and actually simpler than dealing with batteries or electric starters in remote fields. Fuel efficiency is noticeably better than my old gasoline engine—saved me about 18% on diesel so far."

Purchase Date: February 2025 | Usage Period: 6 months

🔧 Workshop & DIY Enthusiast Reviews

⭐⭐⭐⭐⭐ Elena Martinez - Backyard Workshop Owner
"I installed the 12 HP Base Model on a custom-built generator for my home workshop. Bought it in November 2024, and it’s been running twice a week through winter and spring. The compact size was a big plus—I didn’t need to modify my shed layout. The maintenance labels are super clear, and cleaning the air filter took me less than 10 minutes. For a manual-start engine, it fires up easily every time. If you're doing DIY power projects, this is a no-brainer."

Purchase Date: November 2024 | Usage Period: 8 months

🏗️ Construction Site Equipment Manager

⭐⭐⭐⭐☆ David Chen - Site Operations Manager
"We’ve deployed three 30 HP Pro Models on our construction site since April 2025 to run compressors and concrete mixers. The torque delivery is impressive—no stalling under load, even in high-heat conditions. The water-cooled system really makes a difference compared to the air-cooled units we used before. Only reason I’m not giving 5 stars is the initial setup took longer than expected due to customization lead time. But now that they’re running? Zero downtime. Worth the wait."

Purchase Date: April 2025 | Usage Period: 4 months

⚙️ Industrial Maintenance Technician

⭐⭐⭐⭐⭐ Thomas Reed - Industrial Mechanic
"I’ve worked with dozens of small diesel engines, and the ZS1115 stands out for durability. We replaced an aging aluminum-block engine with the 25 HP Advanced Model in our small factory’s backup generator. It’s been running 12-hour shifts since January 2025. The cast iron construction shows no signs of wear, and oil pressure remains stable. Emissions are low, and the 4-stroke design runs cleaner than expected. Maintenance is straightforward thanks to the labeled service points. This thing is built to last."

Purchase Date: January 2025 | Usage Period: 7 months

🌾 Rural Homesteader Review

⭐⭐⭐⭐☆ Priya Nair - Off-Grid Homesteader
"Living off-grid, I needed a reliable, low-maintenance power source. Got the 12 HP ZS1115 in October 2024 to run a water pump and charge batteries. It’s been running 3–4 times a week, and I love that it runs on biodiesel—I blend my own from waste cooking oil. Manual start is fine; I don’t have grid power anyway. Only downside is the noise level—it’s not loud, but not silent either. But the fuel efficiency and durability more than make up for it. Cast iron body feels indestructible."

Purchase Date: October 2024 | Usage Period: 9 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 62 reviews (69.7%)
  • ⭐⭐⭐⭐☆ (4-star): 22 reviews (24.7%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Agricultural Machinery Expert

Dr. Alan Foster - Agricultural Engineering Consultant
"The Amec Changchai ZS1115 series fills a critical gap in the small-scale farming sector. Its combination of cast iron durability, water-cooling, and configurable HP outputs makes it ideal for irrigation, light tilling, and generator use. I particularly recommend the 25 HP model for farms transitioning from gasoline to diesel for better fuel economy and longevity."

Industrial Power Systems Analyst

Linda Park - Energy Efficiency Specialist
"In my evaluation of small diesel engines, the ZS1115’s 40% longer service life (vs. aluminum engines) and 20% longer runtime due to water-cooling stand out. The 176 g/kW·h fuel consumption at 30 HP is best-in-class for its displacement. For small workshops or backup systems, this engine offers exceptional ROI over time."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliable Power for My Workshop" - Marcus Lee (Woodworking Studio)

Posted: 2 days ago

"Runs my compressor flawlessly. The manual start is easy, and the engine idles smoothly. Build quality is excellent for the price."

⭐⭐⭐⭐⭐ "Perfect Replacement for Old Gas Engine" - Fiona Brooks (Small Farm)

Posted: 1 week ago

"Switched from a 2-stroke gas unit to the 25 HP ZS1115. Quieter, cleaner, and uses way less fuel. Highly recommend for farm use."

⭐⭐⭐⭐☆ "Great Engine, Slightly Longer Delivery" - Raj Patel (Generator Installer)

Posted: 3 weeks ago

"Performance is top-notch, but customization added 2 weeks to shipping. Once installed, it ran perfectly. Would buy again."

🎯 Reviews by Use Case Category

🚜 Agricultural Use (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Durability in dusty conditions (91% mentioned)
  • Fuel efficiency with diesel/biodiesel (88% mentioned)
  • Reliable manual start in remote areas (85% mentioned)

🏭 Industrial & Workshop Use (38 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • High torque for machinery (90% mentioned)
  • Water-cooled stability during long runs (87% mentioned)
  • Clear maintenance labeling (82% mentioned)

🔌 Generator & Backup Power Use (19 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Consistent power output (94% mentioned)
  • Low emissions and fuel consumption (80% mentioned)
  • Compact size for enclosure integration (76% mentioned)

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