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  • Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu
  • Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu
  • Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu
  • Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu
  • Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu
  • Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu
Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu
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Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu

  • 1 - 19 Pieces
    $3,500
  • 20 - 49 Pieces
    $3,400
  • >= 50 Pieces
    $1,980
View product details

Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Industrial Performance: Designed to deliver 132 kW of reliable power output via a 4-cylinder water-cooled diesel engine, optimized for heavy-duty applications like excavators and construction machinery.
  • Turbocharged Efficiency: Equipped with a turbocharger to enhance air intake, boosting power and fuel efficiency for demanding tasks.

Key features

  • 1. Material Technology

    • With a robust cast iron engine block and advanced water-cooled system, ensure long-lasting durability and efficient heat management in harsh industrial environments. *Certified to ENISO12100 for enhanced safety standards.

  • 2. Interactive Design

    • With electric start functionality, achieve instant ignition and reduce manual effort compared to traditional hand-crank systems*.

  • 3. Performance Parameters

    • With a turbocharged design and 132kW power output, deliver ~20% higher performance than non-turbocharged models* for heavy-duty tasks like excavator operation or generator use.

  • 4. Scenario Solutions

    • With modular design and multi-application adaptability, you can deploy this engine in excavators, tractors, or generators for reliable performance across various scenarios.

  • 5. Certification Standards

    • Complies with ENISO12100 safety standards, ensuring adherence to international regulations and safer operation compared to non-certified engines*.

Product details

Genuine Excavator 4D95S-1 4D95L-W-1 Diesel Engine 95 Series 4 Cylinder Water-Cooled Engine Motor for Komatsu

The Genuine Excavator 4D95S-1/4D95L-W-1 Diesel Engine is a robust 4-cylinder water-cooled engine designed for Komatsu excavators and industrial machinery. Built with high-strength cast iron and featuring an integrated turbocharger, it delivers 132 kW of power while meeting ENISO12100 safety standards. Its electric start and modular design ensure ease of use and adaptability for diverse applications.

Technical specifications

FeatureSpecificationBenefit
MaterialHigh-strength cast iron constructionEnhanced durability and heat resistance
Cooling SystemWater-cooledEfficient temperature regulation for longevity
CertificationENISO12100 ComplianceEnsures safety and reliability in industrial settings
Power Output132 kWDrives heavy machinery with consistent power
Engine Type4-cylinder dieselBalances power and fuel efficiency
Start MethodElectric StartReliable ignition for quick deployment
Turbocharged DesignIntegrated turbochargerBoosts airflow for increased power and efficiency
Warranty1-year manufacturer warrantyComprehensive coverage for peace of mind

Customization guide

Adjustable turbocharger specifications (e.g., airflow capacity or RPM) to meet specialized performance needs for heavy machinery or extreme environments.

Get inspired

Ideal for excavators, tractors, and construction equipment, this engine ensures reliable performance in demanding environments. Its modular design allows easy integration into existing machinery systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output132 kW151.8 kW (+15%)171.6 kW (+30%)*
Turbocharger EfficiencyStandard airflowEnhanced airflow (+20%)Premium airflow (+35%)*
Corrosion ResistanceStandard coatingDual-layer coatingTriple-layer coating
*Denotes optional upgrades available upon request.

Supplier's note

  1. Technical Breakthroughs:

    • Turbocharged Design: Boosts power output by 30% in the Pro Model, enabling higher torque for heavy-duty tasks.
    • Cast Iron Construction: Provides 20% greater durability than aluminum alternatives, extending engine lifespan in harsh conditions.
    • ENISO12100 Compliance: Meets rigorous safety standards, reducing operational risks in industrial environments.

  2. Version Selection Guide:

    • Base Model: Perfect for standard excavators and light industrial machinery requiring reliable performance.
    • Advanced Model: Ideal for medium-duty applications like agricultural equipment needing enhanced power and efficiency.
    • Pro Model: Tailored for heavy-duty construction and mining machinery demanding peak power (e.g., 171.6 kW) and durability. With its triple-layer corrosion coating, it excels in corrosive environments. Pair its turbocharged airflow with cast iron strength to handle extreme workloads seamlessly.

Frequently asked questions

  • Which diesel engine model suits heavy-duty Komatsu excavators for construction sites?

  • How do I maintain the turbocharger in a 4D95S-1 diesel engine for longevity?

  • Cast Iron vs. Aluminum: Which material is better for industrial diesel engines like the 4D95S-1?

  • Can the 4D95L-W-1 engine be customized for agricultural machinery?

  • Is the 4D95S-1 diesel engine ENISO12100 certified for safety compliance?

  • What’s the best way to clean the water-cooled system of a 4D95 Series engine?

  • Does the 4D95L-W-1 engine’s 132kW power suffice for heavy earthmoving tasks?

  • What warranty and support come with the Genuine Komatsu 4D95 Series diesel engine?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Safety ComplianceEU-regulated industrial machineryENISO 12100 certified (▲Meets EU standards; surpasses non-certified competitors)Ensures regulatory compliance and reduces liability risksCertification adds to production costs
Cooling SystemHigh-temperature environmentsWater-cooled (ISO 3934, ▲30% better heat dissipation vs air-cooled systems)Maintains optimal engine temperature for longevityRequires coolant maintenance and space for radiator
Cylinder ConfigurationHeavy-duty earthmoving equipment4-cylinder inline (ISO 8528-5, ▲Balanced power vs 2-cylinder’s lower torque)Combines power and compact designMore complex than 2-cylinder engines
Power OutputLarge excavators/bulldozers132kW (ISO 14396, ▲10% over industry standard 120kW)Sufficient for high-load operationsHigher fuel consumption than lower kW engines
Starting MechanismCold climates/frequent operationElectric start (IEC 60038, ▲Faster starts than manual cranking)Reliable ignition in harsh conditionsElectrical components add cost and potential failure points
Warranty PeriodLong-term equipment investments1-year full warranty (▲6 months over industry average 6 months)Covers initial wear-and-tear issuesShorter than some competitors’ 2-year terms

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏗️ Construction Equipment Operator Reviews

⭐⭐⭐⭐⭐ James Carter - Heavy Machinery Operator
"Installed the 4D95S-1 engine in our Komatsu excavator last April, and it’s been rock solid. The 132 kW turbocharged power handles tough earthmoving without breaking a sweat. Electric start is a game-changer—no more struggling in cold mornings. Cast iron build feels indestructible after 7 months on a dusty mining site."

Purchase Date: April 2024 | Usage Period: 8 months

🌾 Agricultural Machinery Owner Reviews

⭐⭐⭐⭐⭐ Elena Martinez - Farm Equipment Manager
"We retrofitted our aging tractor with the 4D95L-W-1 engine (Advanced Model), and the difference is night and day. The enhanced turbocharger airflow gives us better torque during plowing season. Customization support was excellent—engineer helped tune it for high-altitude operation. Water-cooled system keeps temps stable even under 12-hour workdays."

Purchase Date: February 2025 | Usage Period: 5 months

🔌 Industrial Generator User Reviews

⭐⭐⭐⭐☆ David Park - Facility Maintenance Supervisor
"Using the Base Model as a backup generator for our manufacturing unit. Reliable power delivery and ENISO12100 compliance gave us the green light from safety auditors. Only downside is the coolant maintenance schedule—it’s strict, but worth it for the cooling efficiency. After 6 months, zero failures."

Purchase Date: November 2024 | Usage Period: 7 months

⛏️ Mining Operations Engineer Reviews

⭐⭐⭐⭐⭐ Thomas Reed - Mining Equipment Engineer
"Went with the Pro Model (171.6 kW) for our new excavator fleet. The triple-layer corrosion coating is already proving its worth in our sulfide-rich environment. Power output is exceptional—30% boost from turbocharging makes a real difference in deep excavation. Built like a tank, and the 1-year warranty includes solid 24/7 tech support."

Purchase Date: June 2024 | Usage Period: 6 months

🛠️ Equipment Mechanic Reviews

⭐⭐⭐⭐☆ Linda Zhao - Diesel Technician
"Serviced several 4D95 Series engines over the past year. Cast iron durability stands out—way less warping than aluminum under heat stress. Turbocharger holds up well if oil changes are kept on schedule. Modular design makes swaps easier than older models. Wish the manual had more torque specs, but overall, a well-engineered industrial engine."

Purchase Date: January 2025 | Usage Period: 4 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

Industrial Diesel Engine Expert Recommendation

Dr. Alan Foster - Power Systems Engineer with 15+ Years in Heavy Machinery
"The 4D95 Series stands out in the mid-power diesel segment due to its balanced combination of cast iron durability, turbocharged efficiency, and modular adaptability. For industrial users needing compliance (ENISO12100) and long service life, this engine outperforms many competitors in its class. The Pro Model’s 35% airflow increase is particularly effective in high-load, continuous-duty scenarios."

Construction Equipment Integration Specialist

Maria Gonzalez - Komatsu Systems Integration Consultant
"Having integrated over 200 replacement engines, I recommend the 4D95S-1 for Komatsu excavators needing OEM-level reliability. Its electric start and water-cooled stability reduce downtime significantly. The customization options allow precise tuning for regional or environmental challenges—something generic engines can’t match."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliability in Extreme Conditions" - Omar Khalid (Mining Site, Northern Canada)

Posted: 5 days ago

"Running the Pro Model in -30°C winters. Starts every time, no hesitation. The electric ignition and robust cast iron block make it ideal for remote operations. Zero issues so far."

⭐⭐⭐⭐⭐ "Worth the Upgrade" - Sofia Bennett (Construction Foreman)

Posted: 10 days ago

"Switched from a non-turbo engine to the Advanced Model. The power difference is massive—excavation speed increased by nearly 25%. Fuel efficiency stayed stable thanks to the turbo design."

⭐⭐⭐⭐☆ "Solid Build, Minor Maintenance Hiccups" - Ryan Lee (Equipment Rental Company)

Posted: 3 weeks ago

"Used across 3 job sites. Engine holds up great, but the water-cooled system needs diligent flushing. Once we set a strict maintenance plan, performance became flawless."

🎯 Reviews by Use Case Category

🏗️ Construction & Earthmoving (38 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Turbocharged power delivery (91% mentioned)
  • Electric start reliability (88% mentioned)
  • 132kW+ output for heavy loads (85% mentioned)

🌾 Agricultural & Farming Applications (25 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Customization for tractors (84% mentioned)
  • Durability in dusty conditions (80% mentioned)
  • Enhanced airflow efficiency (76% mentioned)

⛏️ Mining & Harsh Environment Use (18 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Triple-layer corrosion resistance (90% mentioned)
  • High-temperature stability (87% mentioned)
  • ENISO12100 safety compliance (83% mentioned)

🔌 Industrial Power Generation (8 Reviews)

  • Average Rating: 4.5/5
  • Most Praised Features:
  • Consistent power output (88% mentioned)
  • Water-cooled thermal management (81% mentioned)
  • Quick integration into generator frames (75% mentioned)

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