We present a low-cost stereo vision implementation suitable for use in autonomous vehicle applications and designed with agricultural applications in mind. This implementation utilizes the Census Transform algorithm [5, 6] to calculate depth maps from a stereo pair of automotivegrade CMOS cameras. The final prototype utilizes commodity hardware, including a Xilinx Spartan-3 FPGA, to process 320x240 pixel images at greater than 150 frames per second and deliver them via a USB 2.0 interface.