Bobcat Depth Check system is available for use with Bobcat® E32, E32i, E35, E35i, E42, E45, E50, and E55 compact excavators (standard or long-arm iterations). Sensor on trenching or grading bucket, sensor on arm, and sensor on boom connect to instrument panel inside cab to track precise location of bucket teeth. Accuracy of ±0.5 in. eliminates need for excavator operators to stop machine to enter and exit trench with depth measuring device. Unit also helps minimize over- and under-digging.