Section 3 Dimensions Battery Box – T270/370 Cantilever Battery Box Back of Cab. BOF Rear View FIGURE 3-14. T270/370 Battery Box Measurements [inches (mm)] Battery/Access Step – T170 Parallel Battery Box LH Under Cab or Cab Access RH under Cab. BOF Rear View – Battery Box LH under shown, Cab Access Step RH under is opposite. FIGURE 3-15. T170 Battery Box/Cab Access Step Measurements [inches (mm)] 3-13 12/11 8. 0 (202) 31. 0 (787) 8. 0 ( 202) 31. 0 (787) . 7 (17) 27. 7 (704) 6. 1 ( 154)