4BT Complete 3.9L Turbo Mechanical Diesel Engine Assembly Dedicated for 6–13Ton Mini & Medium Excavator Product Specifications Delivery Time 15-20 days after deposit Package Customized Wooden Box UOM pcs MOQ Small quantity accepted with quantity discount (MOQ: 1PCS) Warranty 3 Months Engine Overview The 4BT excavator dedicated version is upgraded based on the mature B-series diesel platform, specially reinforced for excavator frequent start-stop, variable heavy load, and high