This master cylinder, bore size – 3/4″, is compatible with some Heli, Hangcha, and ATF forklift models ranging from 2.5 to 3.5 tons. We also supply master cylinders compatible with Nissan, Unicarriers, TCM, Toyota, Mitsubishi, Hyster, Yale, and Caterpillar forklifts. Please email us your forklift make, model, serial number, and engine type. We are pleased to provide you with high-quality parts.