where the trencher may be actuated by remote control from the excavator the trencher attachment thereby enables a trenching operation to be performed in locations heretofore inaccessible to trenchers presently known in the art application_number US 80122085 A description hydraulic excavators used in earth moving operations are powered machines frequently truck mounted for portability and which include a telescopically extendible boom carrying a bucket on the free end thereof the telescopically extendable boom is capable of vertical movement tilting motion and is swingable in a circle based on its pivotal mounting on the truck or comparable supporting vehicle trenchers heretofore known in the art include an elongated frame and means training a continuous chain outwardly and inwardly of the elongated frame the chain having earth moving elements spaced therealong some trenchers have been provided with independent power means and others utilize power take offs from other vehicles such as pickup trucks or tractors which are generally used in supporting and positioning the trenchers the present invention comprises an attachment frame having spaced vertical body members 10 a top portion 11 a transverse member 12 and three secondary vertically disposed frame members 13 extending outwardly from the transverse member 12 an angular secondary top portion and shield 14 is attached to the upper edges of the secondary frame members 13 and skids 15 are attached.