Difference Between TF-80SC And TG-81SC

Courtesy of VOLVO CARS CORPORATION

1. Front planetary train 

   Clutch C4

2. Torque converter 

   Longer movement damper (petrol engine)

   Centrifugal pendulum damping (diesel engine)

   Reduced torus for increased damping area

3. Advanced clutch 

   N/C at low vehicle speed

   Fast upshift control

4. Gear housing 

   Reduced oil flow circuit

   Electromagnetic oil pump adapted for Start/Stop system

   An extra linear solenoid

5. Rear planetary train 

   Wider gear range

6. Clutch/brake, low resistance 

   Oil pump, low resistance

   OWC, low resistance

Difference between TF-80SC and TG-81SC 

• Wider gear range
• Lower energy losses
• Increased capacity, torque
• Improved torque converter

Size difference between TF-80SC and TG-81SC 

Courtesy of VOLVO CARS CORPORATION

To left TG-81SC, to right TF-80SC/SD