The OTTO 6BG1 is a fully integrated diesel engine assembly specially manufactured for excavator engine replacement and overhaul. It comes complete with all key components pre‑assembled, providing direct installation, restoring original machine power, and ensuring stable, efficient operation in harsh construction environments.

The OTTO 4HK1 is a professional complete diesel engine assembly designed as a direct replacement for the Hitachi ZX270LC-3 excavator. It includes all key internal components and comes pre-assembled, restoring your machine’s original power, responsiveness, and efficiency while minimizing downtime during engine overhaul.

The OTTO S3L2 is a professional complete engine assembly specially built as a direct replacement or repower solution for excavators and small‑to‑medium heavy machinery. It integrates all key components including cylinder block, cylinder head, crankshaft, pistons, fuel system, and lubrication system, delivering ready‑to‑install performance and restoring equipment to full working capacity.

This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

OTTO ZW310-5A Excavator Diesel Engine QSM11 Complete Engine Assembly 35365805 for Cummins Engine Assy This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

OTTO Genuine 6HK1 Engine Assy Motor Complete Diesel Engine Assembly for ZX330-3 ZX350-3 ZX360-3 JCB330 SH350-5 SH350A5 This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

OTTO Complete Engine Assembly C9 Diesel Engine for Caterpillar CAT 336D2 Machinery Engines This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

3116FDJZC This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

321-3042 This used for engine CATERPILLAR, Original new and rebuild could offer and With 6-12 months warranty