About the Cummins B5.9

The Cummins B5.9 is a durable 5.9‑litre inline‑6 diesel engine known for reliability, simple serviceability and wide application from industrial generators to trucks and agricultural equipment. Offered in naturally aspirated and turbocharged variants, the B5.9 delivers strong low‑end torque and long service life, making it a popular choice for operators seeking a proven workhorse with abundant parts support.