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  • BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard
  • BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard
  • BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard
  • BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard
  • BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard
  • BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard
BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard

BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard

  • 10 - 99 Pieces
    $133
  • >= 100 Pieces
    $103
View product details

BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Output: The BS450C delivers 18HP from its 445cc single-cylinder 4-stroke engine, designed for heavy-duty tasks such as powering lawn mowers, generators, and small power tools.
  • Efficient & Eco-Friendly: Complies with Euro 5 emission standards, ensuring lower environmental impact and smoother operation compared to two-stroke engines. Features an air-cooled system for reliable performance in varied conditions.

Key features

  • 1. Robust Cast Iron Engine Block

    • With a corrosion-resistant cast iron engine block, you can ensure durability in harsh environments and withstand high-temperature operations, outperforming aluminum-bodied engines in longevity.*

  • 2. Adjustable Fuel/Air Mixture Settings

    • With customizable fuel/air mixture adjustments, you can optimize performance and efficiency for varying tasks and environments, unlike fixed systems in many competitors.*

  • 3. 18HP Power Output & 445cc Displacement

    • With 18HP power and 445cc displacement, you can handle heavy-duty tasks like powering generators or lawnmowers, offering superior output compared to smaller engines in similar categories.*

  • 4. Versatile Four-Stroke Design

    • Designed for both home and commercial use, you can adapt it to power lawn mowers, generators, or small tools, providing smoother operation and 20% better fuel efficiency than two-stroke engines.*

  • 5. Euro 5 Emission & Safety Certifications

    • With Euro 5 emission compliance and RoHS/E/e-Mark certifications, you can meet strict environmental and safety standards, ensuring it’s up to 15% cleaner and safer than non-certified models.*

Product details

BS450C 445cc 18HP Gasoline Petrol Engine Single Cylinder 4-Stroke Easy to Operate Air-Cooled Euro 5 Emission Standard

The BS450C 4-stroke 445cc 18HP gasoline engine combines robust performance with eco-friendly compliance, designed for durability in outdoor applications like lawn mowers, generators, and small power tools. Built with a cast iron engine block and lightweight aluminum/steel casing, it offers reliable operation and efficient heat dissipation through its air-cooled system. Certified to Euro 5 emissions standards, this engine meets global environmental regulations while delivering 18HP power for heavy-duty tasks.

Technical specifications

FeatureSpecificationBenefit
MaterialCast iron engine block, aluminum/steelEnhanced durability and heat resistance
Cooling SystemAir-cooledMaintains optimal performance in harsh environments
Emission StandardEuro 5Reduces pollutants, compliant with global regulations
Power Output18HP / 445ccDrives heavy machinery with consistent torque
Engine TypeSingle-cylinder 4-stroke20% more fuel-efficient than two-stroke engines
CertificationsE/e-mark, RoHS, EECEnsures safety and quality for industrial use
Starting MechanismRecoil startEasy cold-start operation without electricity

Customization guide

Adjustable fuel/air mixture settings allow fine-tuning for high-altitude or extreme-temperature environments. Optional accessories (e.g., electric start, premium oil filters) can be added to enhance performance in specialized scenarios.

Get inspired

With its Euro 5 compliance and robust design, the BS450C is ideal for contractors needing reliable power for landscaping equipment or remote job sites. Its air-cooled system ensures long runtime without overheating, while the recoil start enables quick deployment in any setting.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output15HP / 380cc18HP / 445cc20HP / 500cc
Emission StandardEuro 4Euro 5Euro 6
Cooling EfficiencyStandard air-cooledEnhanced fin designHybrid air/water-cooled*
Weight25kg28kg32kg (reinforced frame)

Supplier's note

  1. Technical Breakthroughs:

    • Euro 5 Compliance: Reduces particulate emissions by 40% compared to Euro 4, enabling use in restricted urban zones.
    • 4-Stroke Efficiency: Achieves 20% better fuel economy than two-stroke engines, lowering operational costs.
    • Reinforced Cast Iron Block: Withstands 30% higher thermal stress than aluminum blocks, ensuring longevity in industrial settings.

  2. Version Selection Guide:

    • Base Model: Best for light-duty tasks (e.g., small pumps, trimmers) where cost-efficiency is prioritized.
    • Advanced Model (BS450C): Ideal for contractors needing Euro 5 compliance and 18HP power for generators or lawn mowers.
    • Pro Model: Targets heavy-duty applications (e.g., commercial generators, industrial tools) requiring Euro 6 emissions and 20HP output.

*Hybrid cooling reduces operating temperature by 15% in continuous use scenarios.

Frequently asked questions

  • Which 4-stroke gasoline engine suits small lawn mowers and generators?

  • How to clean the air filter on the BS450C gasoline engine?

  • Cast iron vs aluminum engine block: Why is cast iron used in the BS450C?

  • Does the BS450C offer customization for power tool integration?

  • Is the BS450C Euro 5 engine compliant with EEC and RoHS standards?

  • Can the 445cc BS450C handle heavy-duty tasks like log splitters?

  • Why does the BS450C use a recoil start instead of electric?

  • How does the air-cooled system benefit the BS450C’s performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Emission ComplianceUrban construction, regulated zonesIndustry: Euro 4 (2016)
Base: Euro 5 (2020) ▲
Advanced: Euro 6 (2023) ▲▲
(Euro 5 cuts NOx by 50% vs Euro 4)		Base meets current EU standards; Advanced future-proof for stricter normsIndustry risks non-compliance post-2025; Advanced requires higher maintenance
Cooling SystemHigh-heat environmentsIndustry: Air-cooled (standard)
Base: Air-cooled (black casing)
Advanced: Liquid-cooled ▲
(Liquid maintains 85°C vs 95°C)		Base lightweight; Advanced prevents overheating in prolonged useAdvanced adds weight and coolant maintenance
Power OutputHeavy-duty machineryIndustry: 15HP (445cc)
Base: 18HP ▲ (445cc)
Advanced: 20HP ▲▲
(18HP = 13.4kW)		Base handles medium loads; Advanced drives larger equipment like generatorsHigher HP increases fuel consumption
Starting MechanismCold environmentsIndustry: Recoil only
Base: Recoil (10k cycles)
Advanced: Electric + recoil ▲
(Starts at -20°C)		Base reliable in warm climates; Advanced usable in extreme coldAdvanced requires battery upkeep and electrical components
CertificationsGlobal exportsIndustry: E/e-mark, RoHS
Base: +EEC ▲
Advanced: +CE, ISO 14001 ▲▲
(ISO 14001 ensures environmental management)		Base meets EU requirements; Advanced opens markets in North America/AsiaAdvanced demands additional testing costs and documentation
Noise LevelResidential/healthcareIndustry: 80 dBA (lawnmower)
Base: 75 dBA ▲ (quieter than fridge)
Advanced: 70 dBA ▲▲ (whisper-quiet)
(70 dBA = 1/10 sound energy)		Base suitable for offices; Advanced ideal for hospitals or schoolsAdvanced may need soundproofing materials to meet ultra-quiet standards

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