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SHENZHEN TWOO AUTO INDUSTRIAL LTD

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China 4BT Construction Dedicated 3.9L Turbo Diesel Engine Assembly with Mechanical
China 4BT Construction Dedicated 3.9L Turbo Diesel Engine Assembly with Mechanical

  1. China 4BT Construction Dedicated 3.9L Turbo Diesel Engine Assembly with Mechanical
  2. China 4BT Construction Dedicated 3.9L Turbo Diesel Engine Assembly with Mechanical
  3. China 4BT Construction Dedicated 3.9L Turbo Diesel Engine Assembly with Mechanical
  4. China 4BT Construction Dedicated 3.9L Turbo Diesel Engine Assembly with Mechanical
  5. China 4BT Construction Dedicated 3.9L Turbo Diesel Engine Assembly with Mechanical

4BT Construction Dedicated 3.9L Turbo Diesel Engine Assembly with Mechanical

  1. MOQ: 1
  2. Price: Negotiate
  3. Get Latest Price
Delivery Time Within 10 work days
Fuel Type Diesel
Payment Terms L/C,D/A,D/P,T/T
Engine Model 4BT3.9-C100 / 4BTA3.9-C125 / 4BTA3.9-C150 Construction Dedicated
Supply Ability 100PCS/WEEK
Packaging Details Customized Wooden Box
Displacement 3900cc / 3.9 L
Cylinder 4 In-Line, 8 Valves Mechanical Injection
Place of Origin JAPAN
Model Number 4BT

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  1. Product Details
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Product Specification

Delivery Time Within 10 work days Fuel Type Diesel
Payment Terms L/C,D/A,D/P,T/T Engine Model 4BT3.9-C100 / 4BTA3.9-C125 / 4BTA3.9-C150 Construction Dedicated
Supply Ability 100PCS/WEEK Packaging Details Customized Wooden Box
Displacement 3900cc / 3.9 L Cylinder 4 In-Line, 8 Valves Mechanical Injection
Place of Origin JAPAN Model Number 4BT
High Light 3.9L Displacement Diesel Engine AssemblyMechanical Injection 4BT Diesel EngineConstruction Dedicated Diesel Engine Assembly
4BT Construction Complete 3.9L Turbo Mechanical Diesel Engine Assembly
Product Specifications
Delivery Time 15-20 days after deposit
Package Customized Wooden Box
UOM pcs
MOQ Small quantity accepted with quantity discount (MOQ: 1PCS)
Warranty 3 Months
Engine Overview

The 4BT construction machinery version belongs to the mature B-series heavy-duty diesel engine platform, specifically optimized and reinforced for construction site conditions including continuous heavy-load operation, high-dust environments, and frequent start-stop cycles.

Key features include:

  • Thick reinforced cast iron cylinder block
  • Forged crankshaft for enhanced durability
  • Mechanical VE distribution injection pump without electronic sensors
  • Matched fixed geometry turbocharger
  • Exclusive hydraulic PTO power take-off interface for external hydraulic pump drive
  • Oversized industrial cooling fan assembly
  • Reinforced mounting brackets and large flywheel housing for construction machinery transmission connection
Power Grades

Available in three factory-calibrated power grades for different construction equipment applications:

  • 4BT3.9-C100 (100HP): Low power configuration ideal for small forklifts, water pump units, and small generators
  • 4BTA3.9-C125 (125HP): Medium power configuration, mainstream match for 3-ton wheel loaders, road rollers, and small excavators
  • 4BTA3.9-C150 (150HP): High power configuration designed for rotary drilling rigs, concrete mixers, and heavy-duty industrial equipment
4BT Construction Diesel Engine Assembly
Fitment Reference

Replacement fit for construction machinery & industrial power unit chassis compatible with 4BT construction dedicated powerplant. Reference production year range: 1998–2020

Earthmoving Construction Equipment
  • 3-ton wheel loader, single drum road roller, small 4–6 ton mini excavator chassis
  • Rotary drilling rig, pile driver, asphalt paver, concrete mixer chassis
Industrial & Agricultural Equipment
  • Heavy-duty forklift, mobile welding machine, water pump irrigation unit chassis
  • 50–100kW stationary silent generator set chassis
Important Notice

Two completely non-interchangeable 4BT variants on market:

  1. Construction dedicated 4BT series (this item): Reinforced heavy-duty internal parts, hydraulic PTO output port, oversized industrial cooling fan, thick construction mounting feet, large flywheel housing for machinery hydraulic transmission
  2. Light truck dedicated 4BT: Lightweight internal structure, no PTO interface, small truck cooling fan, thin truck mounting brackets, small clutch housing for vehicle gearbox - cannot install on construction machinery

Three power grades C100/C125/C150 have different fuel pump calibration, turbo matching and internal piston assemblies. Peripheral accessories cannot be directly interchanged.

We stock full construction 4BT power grades and truck 4BT assemblies. If you need construction machinery exclusive variant, please contact us to confirm stock availability and complete technical parameters. Confirm construction dedicated 4BT before purchase to avoid mismatching with truck version.

Related Products

If you need other engine assemblies, bare engine blocks, gearboxes, or other auto spare parts, you are welcome to search on our website or contact us directly.

Product Gallery

We carry a full series of Japanese and American gasoline & diesel engines, covering trucks, passenger cars, household vehicles, and excavator construction machinery.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter

  • Year Established:

    2002

  • Total Annual:

    6,000,000-10,000,000

  • Employee Number:

    100~120

  • Ecer Certification:

    Verified Supplier

Shenzhen Tai Trade Ltd, Specialized in Distributing Japanese Engine Assembly and Engine Spare Parts Since 2012. We have a large range of these Engine And Spare Parts Perfect Condition and High Quality, we can provide New and Used Engines, Spare Parts for ISUZU, MITSUBISHI, NISSAN, HINO, TOTOTA, KOMA... Shenzhen Tai Trade Ltd, Specialized in Distributing Japanese Engine Assembly and Engine Spare Parts Since 2012. We have a large range of these Engine And Spare Parts Perfect Condition and High Quality, we can provide New and Used Engines, Spare Parts for ISUZU, MITSUBISHI, NISSAN, HINO, TOTOTA, KOMA...

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Get in touch with us

  • Reach Us
  • SHENZHEN TWOO AUTO INDUSTRIAL LTD
  • No 8028, Jincheng Industrial Center, South Lixin Rd, Fuyong Street, Baoan Disctrct, Shenzhen, PRC
  • https://www.japanese-engineparts.com/

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