Engine Cummins QSB6.7 CM2350

Cummins QSB6.7 CM2350 engine after overhaul – ready for installation

Fully reconditioned Cummins QSB6.7 (CM2350) – a unit after a complete overhaul, prepared for quick drop-in replacement in your machine. Tested on a dynamometer, with verified sealing, operating parameters, and starting. Ideal as an engine for excavators, wheel loaders, dumpers and other machines.

Scope of overhaul / reconditioning

• New: pistons, liners, rings, bearings, full gasket and seal set.
• Oil and water pumps – replaced with new or factory-remanufactured units.
• Cylinder head: surfacing, seats, guides, valves; crankshaft ground and balanced.
• Common-rail fuel system: injectors and HP pump reconditioned.
• Turbocharger inspected/rebuilt; cooling and intake systems are leak-free.
• CM2350 ECU – communication test and application-specific parameterization.
• Load tests on the dyno – verification of pressures, temperatures, and smoke.

Machine-specific configuration

We offer construction equipment service and reconfiguration: timing gear housing, pulleys, manifolds, wiring harness, sensors, auxiliary hydraulic pump – so installation is hassle-free.

Why this unit?

• Available immediately – minimize downtime.
• After a complete overhaul – overhauled engine with dyno reports.
• Installation at our shop or on-site – mobile service.
• Start-up warranty with an option to extend after installation in our workshop.

Applications

• Construction equipment: excavators, wheel loaders, dumpers, graders, rollers.
• Crushing/screening plants: crushers, screeners, feeders.
• Stationary applications: gensets, pumps, compressors (subject to configuration).

Services & Parts

• Service & Repair for Cummins (CM2350) – diagnostic software, adaptations, calibrations.
• Available Parts: filters, belts, sensors, starters, alternators, seals.
• Engine reconditioning, fuel system and turbocharger reconditioning.

Logistics

Shipping within Poland, the EU, and worldwide; rapid transport arrangements.

FAQ – frequently asked questions

• Does an overhauled QSB6.7 CM2350 deliver full power?
  Yes. Each unit is tested on a dynamometer, confirming factory parameters and stable pressures/temperatures.
• What are the warranty terms?
  Standard start-up warranty with the option to extend after installation by our mechanics. Maintenance per manufacturer requirements and regular service are required.
• I have a different timing housing / an auxiliary hydraulic pump – can you adapt it?
  Yes. We perform reconfiguration and accessory adaptation so installation in the machine is trouble-free.
• Do you offer field installation and diagnostics?
  Yes, mobile service is available (including Kraków, Małopolska, Podhale) as well as on-site diagnostics.
• What is the lead time and shipping?
  The unit is available; we arrange shipping and logistics immediately.

Cummins brand– a few words about the brand

Cummins (Cummins Inc.) is an American brand founded in 1919 in Columbus, Indiana. It specializes in the design and manufacture of diesel and natural gas engines, as well as complete power and drivetrain systems for trucks, construction and agricultural machinery, rail, mining, and power generation. The portfolio also includes generator sets and components (turbochargers, filtration, exhaust aftertreatment, control electronics). The company maintains a global service and parts supply network. In parallel, it develops low- and zero-emission technologies (including electric and hydrogen systems, e.g., under the Accelera brand), combining durability and reliability with lower operating costs.