Cummins QSK23 Engine & Spare Parts

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Cummins QSK23 Engine Product image
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The Cummins QSK23 is a 23-litre inline-six diesel engine built for heavy mining and construction duty, delivering high power density with electronic fuel control for excavators, large mining trucks, drill rigs and prime/standby gensets. Mining Spares Direct supplies complete QSK23 engine assemblies plus the full range of QSK23 spare parts — pistons, cylinder liners, crankshafts, turbochargers, fuel injectors, water and oil pumps, bearings, gasket and overhaul kits — as genuine or OEM-equivalent components, ready for worldwide export.

Technical Specifications

Displacement23L
ConfigurationInline 6-cylinder
Power Range559-895 kW (750-1200 hp)
Fuel SystemModular Common Rail MCRS

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  • Displacement: 23L Inline 6-cylinder
  • Power Range: 559-895 kW @ 1800 rpm
  • Fuel System: Modular Common Rail MCRS
  • Applications: Large mining equipment, drill rigs
  • Features: Twin turbo, high power density

QSK23 mining engine overview

The Cummins QSK23 mining engine is a 23.15-litre inline-six with turbocharging and charge-air cooling. Current Cummins mining literature lists ratings from 760 to 1,050 hp depending on calibration and emissions configuration, and identifies the Modular Common Rail System as a key feature. Because variants and regional emissions packages differ, use the engine serial number and equipment build data when ordering service parts.

  • Inline six-cylinder layout with 170 mm bore and stroke.
  • Mining ratings and emissions equipment vary by market and engine build.
  • Electronic and MCRS components require exact serial-number matching.

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QSK23 spare parts supply scope

We quote QSK23 power-cylinder parts, bearings, gasket kits, turbochargers, cooling and lubrication pumps, sensors, injectors and common-rail fuel-system components. For electronic fuel parts, include the complete number from the removed unit and the engine serial number. A project list can combine mechanical and fuel-system items while keeping substitutions clearly identified.

  • Pistons, liners, rings, bearings and gasket sets.
  • Injectors, pumps, rail-system and electronic control components.
  • Turbochargers, water pumps, oil pumps and related service parts.

QSK23 parts identification and quotation

Send the engine serial number, equipment model, existing part numbers, quantities and delivery location. If the request concerns a mining machine repower or a mixed overhaul kit, also include the QSK23 rating and emissions level. We will separate confirmed matches from alternatives so the final selection can be checked before shipment.

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Part Numbers & Cross-Reference

OEM Part No.Description
4902827Genuine Cummins common-rail fuel injector for QSK23 (also QSK19 / QSK45 / QSK60)
4087997Fuel injection pump for Cummins QSK23

Certifications & Standards

ISO 9001:2015EPA Tier 4

Frequently Asked Questions

How to choose between QSK23 and QSK19?
The QSK23 (23L) delivers up to 895 kW, suitable for 200+ ton haul trucks and large excavators. The QSK19 (19L) tops out at 597 kW for 100-200 ton class trucks. Selection depends on equipment tonnage and power requirements.
What Cummins QSK23 spare parts do you supply?
We stock and source the full QSK23 parts range: piston and liner kits, crankshafts, connecting rods, turbochargers, fuel injectors and pumps, water/oil pumps, bearings, seals and complete overhaul/gasket kits — genuine and OEM-equivalent.
Can you ship QSK23 parts internationally?
Yes. We export QSK23 engines and parts worldwide, with sea and air freight options and full export documentation. Share your country and port for a delivered quotation.
Do you offer genuine and aftermarket QSK23 options?
Both. We supply genuine Cummins parts and quality OEM-equivalent aftermarket parts so you can balance budget and specification.
How do I get an accurate QSK23 quote?
Send the engine serial number / CPL and the part numbers or descriptions you need, plus quantity and destination — we reply with price, availability and lead time.

Request Quote

Share engine serial number, duty cycle and required quantity for a tailored quotation.

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