2002 Kobelco SK135SR Excavator, runs great, 6500 hours. 48 bucket, hydraulic thumb. Kobelco SK135SR For Sale – YouTube. Video will open in a new window. The item “2002 Kobelco SK135SR Excavator Hydraulic Thumb VIDEO” is in sale since Friday, November 10, 2017. This item is in the category “Business & Industrial\Heavy Equipment\Excavators”. The seller is “nealequipment” and is located in New Tripoli, Pennsylvania. This item can’t be shipped, the buyer must pick up the item.