| Engine Model | Head torque |
| FB460V | 29 ft-lb |
| FC150V | 205 in-lb |
| FC290V | 220 in-lb |
| FC400V | 220 in-lb |
| FC401V | 220 in-lb |
| FC420V | 38 ft-lb |
| FC540V | 38 ft-lb |
| FD440V | 15 ft-lb |
| FD501V | 15 ft-lb |
| FD590V | 15 ft-lb |
| FD611V | 15 ft-lb |
| FD680V | 18 ft-lb ( reuse ) 24 ft-lb ( new ) |
| FD731V | 18 ft-lb ( reuse ) 24 ft-lb ( new ) |
| FD501D | 186 in-lb |
| FD620D | 15 ft-lb |
| FD661D | 15 ft-lb |
| FD671D | 20 ft-lb |
| FD711D | 20 ft-lb |
| FD750D | 20 ft-lb |
| FD791D | 20 ft-lb |
| FE120D | 18 ft-lb |
| FE170D | 18 ft-lb |
| FE250D | 18 ft-lb |
| FE290D | 18 ft-lb |
| FE350D | 18 ft-lb |
| FE400D | 18 ft-lb |
| FH381V | 19 ft-lb |
| FH430V | 19 ft-lb |
| FH451V | 19 ft-lb |
| FH500V | 19 ft-lb |
| FH531V | 19 ft-lb |
| FH541V | 19 ft-lb |
| FH580V | 19 ft-lb |
| FH601V | 19 ft-lb |
| FH641V | 19 ft-lb |
| FH680V | 19 ft-lb |
| FH721V | 19 ft-lb |
| FH601D | 21 ft-lb |
| FH641D | 21 ft-lb |
| FH680D | 21 ft-lb |
| FH721D | 21 ft-lb |
| FJ100D | 19 ft-lb ( reuse ) 24 ft-lb (new ) |
| FJ180V | 16 ft-lb |