Pocket valves. F, J, JD '14-'29, clutch lever rod.F, J, JD '15-'22; '25-'29, shifter rod end.Singles '28-'34. VL, VLH '30-'36. D, DL, R, RL, Servi-car '29-'35.Pocket valves, F, J, JD '23-'27, auxiliary brake.
Pocket valves. F, J, JD '14-'29, clutch lever rod.F, J, JD '15-'22; '25-'29, shifter rod end.Singles '28-'34. VL, VLH '30-'36. D, DL, R, RL, Servi-car '29-'35.Pocket valves, F, J, JD '23-'27, auxiliary brake.