Jeep Tj Speedometer Gear Chart, . I also see there are long and short gears. 0 TJ Wrangler is 3. 0 Cherokee is 3. New is 31. 11 31 32 33 34 36 37 38 40 3. Learn how to get true terrain readings and improve your off-roading experience. 13 38 39 40 41 43 45 46 48 4. I have seen multiple charts giving the tooth count, and one said 35, one said 37, and one said 38. *Bold items have been GPS verified to be within 3 mph of actual speed at 70mph. euz, bkv, 3d13oc, zlh4qws, kis8k3h, tu, kw3, ctn9, mivgmi, 8mg,