Click image to zoom

6743-81-8040 HX40W Turbocharger Replacement for Cummins 6C Engines

Aftermarket HX40W turbocharger, part 6743-81-8040, for Cummins 6C/6CTAA and Komatsu SAA6D114E-2. Verify OEM references and engine application before ordering.

Type Turbocharger Part # 6743-81-8040 Models HX40W Weight 16.00 kg Packing 26*30*33
Cross Reference 3597311
Show more cross references 3597311 3597312 3597808 3597809 3597810 3597811 3599601 4035653 4037722 4038421 4038423 4038425 4038428 4039611 4089274 4090015 6743818040
US$ 168.00 / 1 pc(s)
Qty

Subtotal: US$ 168.00

Send an Inquiry
12-Month Warranty Worldwide Shipping OEM-Grade Quality

This aftermarket HX40W turbocharger, part number 6743-81-8040, serves as a replacement application for Cummins 6C and 6CTAA engines. Verify your specific engine code and OEM reference numbers against the 17 associated references before ordering to ensure correct fitment.

Key Specifications

  • Part Number: 6743-81-8040
  • Product Type: Turbocharger
  • Turbo Model: HX40W
  • Gross Weight: 16 kg
  • Packing Dimensions: 26 x 30 x 33 cm
  • OEM Reference Numbers: 17 associated references, including 3597311, 3597808, and 4035653
  • Visible Features: Volute-shaped compressor housing, integrated actuator assembly, two-port exhaust flange, and electrical related electrical detail housing

Use these specifications to verify the unit against your existing part or service manual. Confirm the part number and representative OEM references match your application before proceeding with an order.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

  • CUMMINS > CUMMINS 6C
  • CUMMINS > CUMMINS 6CTAA
  • CUMMINS > KOMATSU SAA6D114E-2
  • DOOSAN > Doosan Forklift > IR > Cummins 6C
  • HYUNDAI > Hyundai HL770 > Hyundai HL770-7 wheel loader > Cummins QSC
  • Kalmar Ottawa > Kalmar Ottawa Terminal Tractor > Kalmar > Ottawa > Cummins 6C

This HX40W turbocharger is listed for replacement applications on Cummins 6C and 6CTAA engines, as well as Komatsu SAA6D114E-2. It is also associated with specific equipment applications including Doosan forklifts, Hyundai HL770 wheel loaders, and Kalmar Ottawa terminal tractors.

  • Cummins Engines: 6C, 6CTAA
  • Komatsu Engines: SAA6D114E-2
  • Equipment Applications: Doosan Forklift, Hyundai HL770, Kalmar Ottawa Terminal Tractor

Verify your specific engine code, production year, and OEM reference numbers against the 17 associated references before ordering. Confirm that the mounting flange orientation and two-port exhaust flange match your installation space to ensure correct fitment.

Technical Notes

The HX40W turbocharger features a volute-shaped compressor housing with a visible multi-blade impeller and an integrated actuator assembly. The turbine housing includes a two-port exhaust flange and a mounting flange with bolt holes, while an electrical related electrical detail housing is visible on the unit. Buyers should compare these visible features against their existing installation to confirm housing orientation and mounting position. Verify that the actuator related hardware and electrical related electrical detail match your specific Cummins 6C or Komatsu SAA6D114E-2 application before ordering. This visual inspection helps confirm fitment and ensures the replacement unit aligns with your service requirements.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 6743-81-8040 HX40W turbocharger. Our team provides technical fitment support to help verify part numbers, engine codes, and OEM reference numbers against your specific Cummins 6C or Komatsu SAA6D114E-2 application. For bulk orders or fleet parts inquiries, contact us with your required quantity and application details. We assist with pre-shipment inspection and documentation to ensure the correct unit is dispatched. Verify all specifications and compatibility clues before finalizing your order to streamline the procurement process.

Product FAQ

This unit is associated with 17 OEM reference numbers, including 3597311, 3597808, and 4035653. Verify these against your specific engine application before ordering.

Inspect the old unit for wear on the compressor and turbine housings. Check the actuator related hardware and electrical related electrical detail for damage before transferring components to the new 6743-81-8040 assembly.

Compare the two-port exhaust flange and mounting bolt pattern on the turbine housing in the provided images. Ensure the orientation matches your Cummins 6C or Komatsu SAA6D114E-2 installation space.

Confirm that all mounting hardware, gaskets, and seals are included or sourced separately. The gross weight of 16 kg and packing dimensions of 26*30*33 cm should be considered for handling and storage.

CUMMINS and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by CUMMINS.

Compatibility Verify part number 6743-81-8040, engine code (e.g., Cummins 6C, 6CTAA), vehicle application, production year, and OEM reference numbers against your specific unit before ordering.

Customer Reviews

Share installation notes, fitment feedback, or service experience for this product.

No customer reviews have been added for this product yet.

5/5

For More Information

Frequently Asked Questions

What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.

Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.