Volvo V90 Owner's Manual page 672

SPECIFICATIONS
Towing capacity and towball load
Towing capacity and towball load for driving
with a trailer can be read in the tables.
Engine
Engine code
T8 Twin Engine B4204T34
T8 Twin Engine B4204T28
A The engine code, component number and serial number can be found on the engine.
IMPORTANT
When driving with a trailer, it is permitted
to exceed the vehicle's gross vehicle
weight (including towball load) by a maxi-
mum of 100 kg (220 lbs), provided that
speed is limited to 100 km/h (62 mph).
National legal requirements for the vehicle
combination, such as speed, etc. must be
observed.
Max. weight unbraked trailer
Max. weight unbraked trailer (kg)
670
Max. weight braked trailer
NOTE
Use of vibration dampers on the towbar is
recommended for trailers heavier than
1800 kg.
A Gearbox
Automatic
Automatic
750
Max. weight braked trailer (kg)
2100
2100
Max. towball load (kg)
100
100
Max. towball load (kg)
50