This OTTO full diesel engine assembly with OEM number 4635922 adopts Yanmar original 3TNV88-SHB three-cylinder water-cooled power structure, specially made as replacement repair parts for Hitachi ZX27U-2 and ZX30U-2 compact mini excavators. The whole unit comes pre-assembled with cylinder block, cylinder head, fuel injection system, cooling pump, lubrication components and flywheel, offering one-stop power replacement to restore full machine performance for landscaping, indoor demolition and narrow-site municipal work.

This OTTO Japan-grade brand new 4JG1 full diesel engine assembly is a complete engine replacement unit tailored for Isuzu mini excavator overhaul projects. It adopts original Isuzu inline four-cylinder four-stroke water-cooled structure, equipped with full matching accessories including cylinder block, cylinder head, fuel injection pump, turbocharger, water pump, oil pump and flywheel assembly. It delivers stable, low-vibration power output for 6–8 ton small excavators, perfectly replacing worn-out original engines to restore full machine working performance at construction, landscaping and municipal sites.

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