Product image unavailable. Placeholder image only.

4035721 HX25 Turbocharger Replacement for Cummins 4BT 100HP

Aftermarket HX25 turbocharger, part number 4035721, for Cummins 4BT 100HP engines. Reference OE 4035720. Verify engine code and vehicle application before ordering.

Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .

Type Turbocharger On backorder — orders accepted Part # 4035721 Models HX25 Weight 8.00 kg Packing 21*23*26
Cross Reference 4035720
Request Quote
Send an Inquiry
12-Month Warranty Worldwide shipping excluding Canada and China. OEM-Grade Quality

This aftermarket HX25 turbocharger, part number 4035721, serves as a replacement unit for Cummins 4BT 100HP engines. It is listed for applications including JCB NXT 140 tracked excavators and Dynapac CP 221 pneumatic-tired rollers, with OEM reference 4035720 provided to help confirm fitment.

Key Specifications

  • Part Number: 4035721
  • Product Type: Turbocharger
  • Turbo Model: HX25
  • OEM Reference: 4035720
  • Gross Weight: 8 kg
  • Packing Dimensions: 21 x 23 x 26 cm
  • Engine Application: Cummins 4BT 100HP

Use these specifications to cross-check the old unit’s nameplate. Verify that the turbo model HX25 and part number 4035721 match your equipment before placing an order.

Application & Compatibility

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

  • JCB > NXT 140 > NXT 140 Tracked excavator > CUMMINS 4BT 100HP
  • Dynapac > CP 221 > CP 221 Pneumatic-tired roller > CUMMINS 4BT 100HP
  • JCB > NXT 145 Quarry Master > NXT 145 Quarry Master Tracked excavator > CUMMINS 4BT 100HP
  • JCB > NXT 150 > NXT 150 Tracked excavator > CUMMINS 4BT 100HP
  • POWERPLUS Group > PSL1200S-III > PSL1200S-III Skid-steer loader > CUMMINS 4BT 100HP
  • Versatile > 256 > 256 Bi-directional agricultural tractor > CUMMINS 4BT 100HP

This HX25 turbocharger is listed for Cummins 4BT 100HP engines across construction and agricultural equipment. Reference applications include JCB NXT 140 and NXT 145 Quarry Master tracked excavators, Dynapac CP 221 pneumatic-tired rollers, POWERPLUS PSL1200S-III skid-steer loaders, and Versatile 256 bi-directional tractors. Use OEM reference 4035720 as a verification clue. Confirm your specific production year, engine code, and existing turbo nameplate details before ordering to ensure the correct replacement unit is selected.

Technical Notes

The HX25 turbocharger is a fixed-geometry unit designed for Cummins 4BT 100HP engines. It does not feature variable-geometry turbine vanes or an oil-cooled system. Buyers should verify the compressor housing inlet and turbine housing outlet dimensions against the old unit. Check the nameplate for part number 4035721 and OEM reference 4035720. Confirm the gross weight of 8 kg and packing size of 21 x 23 x 26 cm match your inventory records. Use these physical details to confirm the correct replacement application before ordering.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for this 4035721 HX25 turbocharger. Technical fitment support is available to help verify part number 4035721, engine code Cummins 4BT 100HP, and OEM reference 4035720 before ordering. Distributors and repair shops can request quotes for bulk orders of this replacement unit. Confirm your specific application details, such as JCB NXT 140 or Dynapac CP 221, to ensure the correct supply chain match. Contact our team for pre-shipment inspection details and logistics options.

Product FAQ

One representative OEM reference number, 4035720, is listed. Buyers should compare this against their old turbo tag to confirm fitment.

Compare the part number 4035721 and OEM reference 4035720 on the old unit. Also verify the engine is Cummins 4BT 100HP.

Compare the compressor housing inlet and turbine housing outlet dimensions. Check the gross weight of 8 kg and packing size 21*23*26 cm against the old unit.

It is a reference application for JCB NXT 140 tracked excavators with Cummins 4BT 100HP engines. Verify the specific production year and engine code before ordering.

NXT 140 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 NXT 140.

Compatibility Verify part number 4035721, engine code Cummins 4BT 100HP, vehicle application, and OEM reference 4035720 before ordering. Applications include JCB NXT 140 and Dynapac CP 221.

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.

You May Also Need