| TT1500 T-120 Lo-Profile Speed Servo | low profile | 25 | 10.1 | 0.04 | 8.4 | 54.6 |
| TT1501 T-180 Lo-Profile Torque Servo | low profile | 25 | 15.3 | 0.06 | 8.4 | 54.6 |
| TT1502 T-130 Speed Servo | standard | 25 | 10.7 | 0.03 | 8.4 | 72 |
| TT1503 T-190 Standard Torque Servo | standard | 25 | 17.4 | 0.05 | 8.4 | 72 |
| TT1504 T-250 Standard 1:8 Speed Servo | standard | 25 | 22.3 | 0.07 | 8.4 | 72 |
| TT1505 T-300 Torque Servo | standard | 25 | 25.5 | 0.08 | 8.4 | 73 |
| TT1506 T-360 Torque Servo | standard | 25 | 29.8 | 0.09 | 8.4 | 73 |
| TT1507 T-440 Torque Servo | standard | 25 | 36.2 | 0.11 | 8.4 | 73 |
| TT3915 T-120 LP Servo Housing Set | | | | | | 54 |
| TT3916 T-180 LP Servo Housing Set | | | | | | 54 |
| TT3917 T-130 Servo Housing Set | | | | | | 54 |
| TT3918 T-190 Servo Housing Set | | | | | | 54 |
| TT3919 T-250 Servo Housing Set | | | | | | 54 |
| TT3920 T-300 Servo Housing Set | | | | | | 54 |
| TT3921 T-360 Servo Housing Set | | | | | | 54 |
| TT3922 T-440 Servo Housing Set | | | | | | 54 |