Products Description The 4TNE98 -BQFLCC long block is the robust replacement bare engine assembly specifically engineered for Komatsu PC60‑5, PC120‑5 hydraulic excavators. This 4‑cylinder, water‑cooled diesel bare power unit is designed to deliver the ideal balance of stable mechanical performance, cost‑effective overhaul solution, and proven durability in demanding construction‑site appliions. Built for the unique overhaul duty cycle of construction machinery, this long