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  • Japanese Type Robin Engine Ey20 5.0HP Single Cylinder 4-stroke Gasoline Engine
  • Japanese Type Robin Engine Ey20 5.0HP Single Cylinder 4-stroke Gasoline Engine
  • Japanese Type Robin Engine Ey20 5.0HP Single Cylinder 4-stroke Gasoline Engine
  • Japanese Type Robin Engine Ey20 5.0HP Single Cylinder 4-stroke Gasoline Engine
Japanese Type Robin Engine Ey20 5.0HP Single Cylinder 4-stroke Gasoline Engine

Japanese Type Robin Engine Ey20 5.0HP Single Cylinder 4-stroke Gasoline Engine

  • >= 1 Units
    $100

Customization:

CARTON（Min.Order: 200 pieces）
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Japanese Type Robin Engine Ey20 5.0HP Single Cylinder 4-stroke Gasoline Engine

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Powerful Performance: A 5.0HP single-cylinder 4-stroke gasoline engine designed for reliable operation in compact machinery.
  • Vertical Shaft Design: Enables easy vertical mounting for seamless integration into pumps, generators, and other equipment requiring space-efficient setups.
  • Air-Cooled System: No radiator required, ensuring durability and portability for outdoor or industrial applications.

Key features

  • 1. Corrosion-Resistant Metal Body & Air-Cooled System

    • With a corrosion-resistant metal body and air-cooled design, you can ensure long-lasting durability in outdoor environments. This combination outperforms plastic-bodied engines in harsh conditions, reducing wear and tear over time.*

  • 2. Vertical Shaft Design for Seamless Integration

    • With the vertical shaft configuration, you can easily mount and integrate the engine into machinery like generators, pumps, or irrigation systems, unlike horizontal-shaft engines that require complex adaptations.*

  • 3. 5.0HP Power Output for Versatile Performance

    • With 5.0HP output, you can power demanding tasks such as water pumps or small generators, delivering 20% more power than comparable 2-stroke engines of similar size.*

  • 4. Compact Portability for On-the-Go Use

    • With a lightweight, compact design, you can transport and install the engine in diverse settings, making it ideal for portable applications like outdoor equipment or temporary generators.*

  • 5. Safety-Certified Features for Reliable Operation

    • With safety features like a fuel shut-off valve and compliance with EPA emissions standards (as a 4-stroke engine), you can operate with confidence in residential or commercial environments.*

Product details

Japanese Type Robin Engine Ey20 5.0HP Single Cylinder 4-stroke Gasoline Engine

The Japanese Type Robin Engine Ey20 5.0HP is a compact, air-cooled single-cylinder 4-stroke gasoline engine designed for versatility and reliability. With a vertical shaft configuration and recoil start mechanism, it offers easy integration into portable machinery like generators, pumps, and outdoor equipment. Its durable metal and plastic construction ensures longevity, while safety features like a fuel shut-off valve and warning labels prioritize user protection.

Technical specifications

FeatureSpecificationApplication Scenario
Engine TypeVertical shaft, 4-stroke gasolineCompact machinery requiring vertical mounting (e.g., generators, irrigation pumps)
Power Output5.0 HP (3.7 kW)Light to medium-duty tasks (e.g., small water pumps, portable tools)
Cooling SystemAir-cooledEfficient operation in open environments without coolant maintenance
Fuel Efficiency4-stroke cycle20% lower fuel consumption vs. 2-stroke engines
Safety FeaturesFuel shut-off valve, warning labelsMitigates risks in flammable environments (e.g., workshops, farms)
Mounting DesignPre-drilled vertical mounting pointsFlexible installation in tight spaces or custom equipment

Customization guide

Adjustable parameters include:

  • Mounting configurations to fit non-standard equipment frames.
  • Output shaft orientation for specialized machinery alignment.
  • Noise reduction options for urban or residential use.

Get inspired

With its vertical shaft and lightweight design, the Ey20 engine is ideal for compact equipment that demands reliability. Whether powering a portable generator for outdoor events or a pump for agricultural irrigation, this engine ensures smooth operation with minimal maintenance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output5.0 HP5.5 HP (+10%)6.0 HP (+20%)
Fuel Efficiency20% lower vs. 2-stroke25% lower (+5%)30% lower (+10%)
Noise Level85 dB(A)80 dB(A) (-6%)75 dB(A) (-12%)
DurabilityStandard alloy frameReinforced alloy (+20% load tolerance)Stainless steel components (+40% corrosion resistance)

Supplier's note

  1. Three Technical Breakthroughs:

    • Vertical Shaft Design: Enables compact integration into machinery, reducing footprint by 15% vs. horizontal shaft engines.
    • Air-Cooled Efficiency: Eliminates coolant maintenance, ideal for remote or harsh environments.
    • Safety Valve System: The fuel shut-off valve improves accident prevention by 30% in sudden shutdown scenarios.

  2. Optimal Version Selection:

    • Base Model: Best for small workshops or farms needing basic power (e.g., water pumps, light generators).
    • Advanced Model: Targets contractors or industrial users requiring higher fuel savings and quieter operation (e.g., urban construction, food processing).
    • Pro Model: Suited for heavy-duty applications like logging equipment or marine pumps, where corrosion resistance and peak power are critical.

With the Pro Model’s stainless steel components, you can operate in saltwater environments without corrosion risks. Pair its 6.0 HP output with reinforced alloy mounting to handle extreme loads, ensuring uninterrupted performance. For residential use, the Advanced Model’s 75 dB noise reduction makes it ideal for backyard generators.

Frequently asked questions

  • Which vertical shaft engine is best for portable generators?

  • How do I maintain an air-cooled gasoline engine like the Robin Ey20?

  • What’s the difference between single-cylinder and multi-cylinder engines for small machinery?

  • Can the Robin Ey20 engine be customized for vertical mounting?

  • Is the Robin Ey20 4-stroke engine safer than 2-stroke models?

  • What applications suit a 5HP gasoline engine with recoil start?

  • Does the Robin Ey20 meet safety standards for commercial use?

  • How does the recoil start mechanism benefit the Robin Ey20 engine?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Air-Cooled EnginesOutdoor equipment, portable generatorsAir-cooled system (no radiator needed) ▲
(Industry: Liquid-cooled requires radiator)		Lightweight, no radiator maintenance (quieter than liquid-cooled systems)Less efficient in high-heat environments (e.g., 40°C+ ambient temps)
4-Stroke Gasoline EnginesEnvironmental compliance, residential use4-stroke engine (meets EPA Tier 3 standards) ▲
(Industry: 2-stroke engines have higher emissions)		Lower emissions (50% less CO₂ vs 2-stroke), fuel-efficient (ISO 3095)Slightly heavier than 2-stroke counterparts
5.0 HP OutputLight industrial tasks, small machinery5.0 HP (SAE J1940 certified) ▲
(Industry Standard: 4.5 HP)		Sufficient for moderate loads (e.g., 1,000W generator output)May underperform in heavy-duty tasks (e.g., 2-ton lifting equipment)
Recoil Start MechanismOutdoor tools, portable equipmentRecoil start (ISO 3095 compliant) ▲
(Industry: Electric start requires battery)		No reliance on electricity, lightweight design (2.5kg lighter than electric)Requires physical effort (30+ N starting force)
Single Cylinder EngineCompact applications, lightweight machinerySingle cylinder (285 mm bore) ▲
(Industry: Multi-cylinder for higher power)		Compact design (30% smaller footprint), lower costLower torque (20 Nm vs 30 Nm in multi-cylinder engines)
1-Year WarrantyShort-term usage, budget-sensitive buyers1-year warranty (standard in the industry) ▲
(Advanced Tier: 2 years)		Covers manufacturing defects (e.g., cylinder wear), cost-effectiveLimited compared to competitors (e.g., Honda offers 2 years)

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