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  • SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7
  • SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7
  • SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7
  • SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7
  • SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7
  • SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7
SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7

SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7

  • >= 1 Pieces
    $8,500

Customization:

Graphic customization（Min.Order: 10 pieces）
Customized logo（Min.Order: 10 pieces）
Customized packaging（Min.Order: 10 pieces）
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SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power for Heavy Machinery: Designed to power Komatsu PC450-7, PC600-7, and PC650-7 excavators, delivering robust diesel-powered performance for heavy-duty construction and industrial tasks.
  • Durability & Reliability: Built with steel components and a sturdy metal frame, ensuring longevity in harsh environments while maintaining consistent power output.

Key features

  • 1. Corrosion-Resistant Steel Construction

    • With a robust steel body and metal frame, ensure reliable operation in harsh outdoor environments, such as construction sites or industrial zones. This durable design outperforms generic engines prone to wear and tear*.

  • 2. Komatsu-Specific Compatibility

    • With a design engineered for Komatsu PC450-7/PC600-7/PC650-7 models, seamlessly integrate into excavators for effortless installation and optimal performance. Reduces compatibility issues compared to universal engine assemblies*.

  • 3. High-Output Diesel Power

    • With a 120kW output power and diesel fuel efficiency, deliver strong torque for heavy-duty tasks like earthmoving or material handling. Outperforms standard engines in the same class by 15-20% in load-bearing capacity*.

  • 4. Continuous Heavy-Duty Operation

    • Designed for prolonged use in commercial construction scenarios, maintain stable performance under continuous load, ideal for 24/7 operation in demanding environments. Suitable for both short-term bursts and long-term projects*.

  • 5. OEM-Certified Reliability

    • Built to Komatsu’s original equipment manufacturer (OEM) specifications, ensure precision fitment and durability. Meets industrial-grade standards for safety and longevity, as confirmed by rigorous testing*.

Product details

SA6D140 Engine Assembly 6D140-2 6D140-1 Engine diesel PC650 diesel Engine for Komatsu PC450-7 PC600-7 PC650-7

The SA6D140 Engine Assembly is a robust diesel engine designed for Komatsu PC450-7, PC600-7, and PC650-7 excavators. Built with industrial-grade steel components and a sturdy metal frame, it ensures durability in harsh construction environments. Compatible with Komatsu machinery, this engine delivers reliable performance with a one-year shelf life guarantee.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialSteel alloy componentsWithstands extreme stress in heavy machinery operations
Frame ConstructionRobust metal frameStable mounting for rugged construction sites
Fuel TypeDieselPowers excavators for long hours in demanding environments
CompatibilityKomatsu PC450-7/PC600-7/PC650-7Direct fit for Komatsu excavator models
Shelf Life1 year from productionEnsures freshness and reliability upon installation
Exhaust SystemHigh-performance exhaust manifoldEfficient cooling and emissions management for continuous operation

Customization guide

Adjustable mounting brackets and performance tuning parameters allow customization to meet specific Komatsu excavator configurations or operational requirements (e.g., power output adjustments for varying load capacities).

Get inspired

With its steel alloy construction, the SA6D140 engine withstands the toughest terrains, while its optimized exhaust system ensures peak performance in high-heat environments. Whether digging deep trenches or lifting heavy materials, this engine is engineered to power your Komatsu machinery efficiently.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output140 HP+15% (161 HP)+30% (182 HP)*
Torque500 NmEnhanced (575 Nm)Premium (650 Nm)
Fuel EfficiencyStandard10% improved20% improved
Cooling CapacityBasicFan-assistedDual-stage cooling

Supplier's note

  1. Technical Breakthroughs:

    • Steel Alloy Components: 20% stronger than standard frames, enabling heavy-load resilience.
    • Dual-Stage Cooling: Reduces thermal stress by 30%, extending engine lifespan in extreme conditions.
    • Extended Shelf Life: 1-year guarantee ensures compatibility with modern Komatsu systems.

  2. Version Selection Guidance:

    • Base Model: Ideal for standard excavation tasks requiring reliable, cost-effective power.
    • Advanced Model: Perfect for mid-sized projects needing enhanced torque and fuel efficiency (e.g., medium-load material handling).
    • Pro Model: Designed for heavy-duty applications like deep mining or large-scale construction, where triple the industry-standard durability and 20% better fuel efficiency are critical.

Pro Model’s 182 HP output exceeds Komatsu’s baseline by 30%, enabling safe handling of oversized payloads while maintaining compliance with ISO 8178 emissions standards. Pair its steel frame with dual-stage cooling to ensure uninterrupted operation in high-temperature environments.

Frequently asked questions

  • Which SA6D140 engine model suits Komatsu PC450-7 or PC600-7 excavators?

  • How do I maintain the SA6D140 engine’s exhaust system for longevity?

  • Why is steel preferred for the SA6D140 engine’s cylinder head?

  • Can the SA6D140 engine be customized for non-Komatsu equipment?

  • Is the SA6D140 engine certified for heavy-duty industrial use?

  • What’s the shelf life of the SA6D140 engine assembly, and how should it be stored?

  • What makes the SA6D140 engine suitable for construction sites?

  • Are there compatibility differences between SA6D140-1 and SA6D140-2 models?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Engine CompatibilityKomatsu excavators (PC450-7/PC600-7/PC650-7)Certified for Komatsu OEM models (Part #XXXX, ISO 9001 compliance)Direct OEM fitment ensures seamless integration and performance.Limited to Komatsu machinery; not compatible with other brands.
Fuel EfficiencyLong operational hours in heavy-duty tasksBase: 25% thermal efficiencyAdvanced: 30% thermal efficiency (▲ 20% improvement vs Base, ISO 8217)Advanced reduces fuel costs by 15%; Base may require frequent refueling.
DurabilityHarsh construction environmentsSteel components (ASTM A36)5,000-hour MTBF (Mean Time Between Failures)Heavy weight increases transportation costs; requires regular lubrication.
Noise LevelUrban construction sitesBase: 95 dB(A) (ISO 3744)Advanced: 85 dB(A) (▲ 10 dB reduction, ISO 3744)Advanced model minimizes noise complaints in residential areas.
Fuel TypeHeavy machinery operationsDiesel engine (ISO 8217 compliant)High energy density for sustained power output.Higher emissions compared to electric alternatives; requires regular oil changes.
Shelf LifeStorage before installation1 year (Industry standard: 6 months ▲)Extended storage without degradation ensures flexibility in deployment timing.Requires strict humidity/temperature control during storage.

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