Here are some of my trucks from over the years.
'95 International S3600 435hp N14, 13spd, 4.3 46# rears on hendrikson rubber block, 100T gcm
'97 Kenworth T950 525hp N14, 18spd, 4.56 52# rears on KW6rod, 120T gcm
'07 Westernstar 4964FX 550hp C15, 18spd, 4.3 46# rears on Neway airbag, 106T gcm
'95 International S3600 435hp N14, 13spd, 4.3 46# rears on hendrikson rubber block, 100T gcm
'97 Kenworth T950 525hp N14, 18spd, 4.56 52# rears on KW6rod, 120T gcm
'07 Westernstar 4964FX 550hp C15, 18spd, 4.3 46# rears on Neway airbag, 106T gcm