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Cummins — industrial engines: history, B/QSB/QSL/QSX/QSK series, spare parts
Cummins — industrial engines: history, series and spare parts
Brand history
Origin: United States
Founded: 1919
Identity: Founded by Clessie Cummins and W.G. Irwin, the company popularised diesel in North America. The breakthrough B Series (4BT/6BT) became a benchmark for durability. Cummins powers construction, mining, rail and gensets with broad diesel families and in-house technologies.
Products & technologies
– Diesel engines for construction/mining equipment, rail and power generation.
– Own fuel systems, turbocharging and aftertreatment (Stage IIIA–V / Tier 3–4F).
– Integrated electronics/ECM and diagnostics, wide spare parts support.
Market size & position
A Fortune 500 company and one of the top three global diesel engine manufacturers with strong share in construction and mining powertrains.
Affiliations & acquisitions
Long-term OEM partnerships with machine and vehicle makers; growth via acquisitions in fuel systems, turbocharging and controls.
Highlights
– 1931 publicity drive Indianapolis–New York on diesel for $1.38 fuel cost.
– Legendary 6BT for simplicity and longevity.
– Heavy-duty QSK engines for mining shovels, haul trucks and MW-class gensets.
Types & models (engine families)
B / QSB (3.3–6.7L) — 4BT, 6BT, QSB4.5, QSB6.7; compact to mid machines.
C / QSC / QSL (8.3–9.0L) — C8.3, QSL9; 20–30 t excavators, heavy rollers, ADTs.
X / QSX (12–15L) — QSX12, QSX15; heavy earthmoving and quarry applications.
QSK (19–95L) — QSK19, QSK38, QSK50, QSK60, QSK78; mining shovels, rigid trucks, large gensets.
Popular models
4BT / 6BT — classic mechanical diesels; vast parts availability.
QSB6.7 — modern workhorse for construction equipment, Stage IV/V.
QSL9 — high torque unit for 20–30 t excavators and heavy rollers.
QSX15 — heavy earthmoving and quarry duty under sustained loads.
QSK19/QSK60 — mining-class power for shovels, haul trucks and gensets.
Spare parts
Cummins spare parts — matching by model/VIN/SN. We offer parts for B/QSB, C/QSC/QSL, X/QSX and QSK families: REDX filters, fuel system, cooling hardware, belts/tensioners, sensors and electrics.
Call: +48 17 864 31 00 • Email: [email protected]
Most purchased parts
– REDX filters (oil/fuel/air), fuel pumps/injectors, hoses/sensors, belts/idlers, alternators/starters, radiators/visco, EGR/DPF components (as per emission tier).
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