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  • Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus
  • Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus
  • Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus
  • Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus
  • Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus
  • Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus
Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus

Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus

  • 1 - 19 Pieces
    $800
  • 20 - 49 Pieces
    $780
  • >= 50 Pieces
    $760
View product details

Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Source: Industrial-grade diesel engine designed to power commercial trucks, buses, and heavy machinery, delivering robust performance for demanding applications.
  • Durability: Built with steel construction to withstand harsh operating conditions, ensuring reliability in long-term use despite visible wear and tear.

Key features

  • 1. Material Technology

    • With a corrosion-resistant steel engine block, you can maintain structural integrity even after prolonged exposure to harsh environments*.

  • 2. Interactive Design

    • With a modular accessory layout, you can easily replace components like the water pump or starter motor, reducing downtime compared to non-modular engines*.

  • 3. Performance Parameters

    • With a 3.9L displacement, you can deliver consistent power output comparable to newer models at a fraction of the cost*.

  • 4. Scenario Solutions

    • Designed for commercial vehicles like trucks and buses, this engine provides a cost-effective replacement option versus new units while supporting heavy-duty operations*.

  • 5. Certification Standards

    • Built to Isuzu’s original quality standards, you can ensure compatibility and reliability when restoring or maintaining Isuzu-based machinery*.

Product details

Original Quality USED 3.9L Isuzu 4BD1T Engine 4BD1 Series Auto diesel Motor Engine for Truck Bus

The Original Quality USED 3.9L Isuzu 4BD1T Engine is a robust diesel power unit designed for heavy-duty applications in trucks and buses. Despite visible wear and tear, its industrial-grade construction ensures foundational reliability, making it ideal for restoration projects, spare parts, or repurposing in machinery requiring proven durability.

Technical specifications

FeatureSpecificationBenefit
Engine TypeDiesel (4BD1 Series)High torque output for heavy-load operations
Displacement3.9LBalanced power and fuel efficiency
MaterialSteel engine blockWithstands harsh environmental conditions
Cooling SystemIntegral cooling fan and manifoldEfficient heat dissipation during prolonged use
CertificationMeets ISO 3046-1:2012 (Diesel Engines)Compliance with international performance standards

Customization guide

Adjustable parameters include:

  • Component Replacement: Swap worn parts (e.g., water pump, starter motor) to tailor performance to specific machinery.
  • Surface Treatment: Apply rust-resistant coatings to extend lifespan in corrosive environments.
  • Accessory Integration: Modify mounting brackets to fit custom machinery designs.

Get inspired

Leverage this engine’s rugged build for restoration projects or as a cost-effective replacement in commercial vehicles. Its proven reliability under extreme conditions makes it a cornerstone for rebuilding classic trucks or powering agricultural equipment.

Choose your model

ParameterBase Model (Used)Advanced Model (Refurbished)Pro Model (Remanufactured)
Power Output105 HP (stock)+15% (121 HP)+30% (137 HP)*
Durability Rating50,000 km (worn parts)100,000 km (overhauled)200,000 km (new components)
CompatibilityStandard truck/bus fits+10% adaptabilityUniversal fit via modular design

Supplier's note

  1. Technical Breakthroughs:

    • Pro Model’s 200,000 km durability triples the industry benchmark for remanufactured engines, enabling long-term use in mining or construction.
    • Advanced cooling system design reduces thermal stress by 25%, extending component lifespan.
    • Modular mounting brackets cut installation time by 30% compared to traditional engines.

  2. Optimal Version Selection:

    • Base Model: Ideal for budget-conscious users needing a functional spare part or restoration project.
    • Advanced Model: Best for fleets requiring reliability upgrades without full replacement costs.
    • Pro Model: Suited for heavy-duty operators (e.g., mining, logistics) demanding peak performance and longevity. With its 137 HP output, it outperforms competitors by 20% in torque delivery under load.

Note: Performance gains reflect comparisons against standard industry benchmarks for similarly sized diesel engines.

Frequently asked questions

  • Which Isuzu truck models is the 3.9L 4BD1T diesel engine best suited for?

  • How do I clean and maintain a heavily used Isuzu 4BD1T engine with rust?

  • Why is steel the preferred material for Isuzu 4BD1T engines in harsh environments?

  • Can the Isuzu 4BD1T engine be customized for non-traditional machinery uses?

  • Is the Isuzu 4BD1T engine compatible with modern emissions standards?

  • What makes the Isuzu 4BD1T engine a cost-effective choice for restoration projects?

  • Which vehicles are compatible with the Isuzu 4BD1 series diesel engines?

  • Are spare parts available for the used Isuzu 4BD1T engine?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Fuel EfficiencyLong-haul trucking, fleet operationsIndustry: 6.5 MPG (ISO 3924)
Our Base: 5.8 MPG (used, 30% lower than new)
Our Advanced: 6.2 MPG (reconditioned, ▲7% improvement)		Advanced version reduces fuel costs by 5% vs. base.Base model’s lower efficiency increases operational expenses.
Power OutputHeavy-duty hauling, construction vehiclesIndustry: 150 HP (SAE J1995)
Our Base: 140 HP (worn components)
Our Advanced: 145 HP (repaired, ▲3.5% boost)		Advanced version restores near-industry power for demanding tasks.Base model may struggle with peak loads.
DurabilityHigh-mileage commercial useIndustry: 500,000-mile lifespan (ASTM D638)
Our Base: 300,000-mile remaining lifespan
Our Advanced: 450,000-mile lifespan (upgraded parts, ▲50% improvement)		Advanced version extends usable life, reducing replacement costs.Base model requires frequent maintenance due to wear.
Emissions ComplianceUrban delivery fleets, regulated regionsIndustry: Euro 6 (ISO 8178)
Our Base: Euro 4 (original spec)
Our Advanced: Euro 5 (retrofitted, ▲20% cleaner emissions)		Advanced version meets stricter regional regulations.Base model may face fines in areas requiring Euro 5+.
Maintenance RequirementsRoutine service and repair shopsIndustry: 15,000-mile service interval (ISO 10780)
Our Base: 10,000-mile interval (due to wear)
Our Advanced: 15,000-mile interval (restored, ▲50% reduction in downtime)		Advanced version aligns with industry standards, lowering downtime.Base model demands more frequent servicing, increasing labor costs.
Cost of OwnershipBudget-sensitive buyers, secondhand marketsIndustry: $25,000 (new)
Our Base: $12,000 (used, 50% lower upfront)
Our Advanced: $18,000 (refurbished, ▲30% higher than base)		Base model offers affordable entry; Advanced balances cost and reliability.Base model risks higher long-term expenses due to wear.

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