Toyota TACOMA 2010 Quick Reference Manual page 236

2-5. Driving information
Bumper towing
The gross trailer weight (trailer weight plus the weight of cargo) when
towing with the bumper must never exceed 3500 lb. (1587 kg).
Fifth wheel trailer
Service connector for towing brake controller
218
The rear bumper of your vehicle
is equipped with a hole to install
a trailer ball.
The
weight: 3500 lb. (1587 kg)
When towing a fifth wheel trailer,
be careful not to hit the cabin or
deck by the trailer while making
a sharp turn.
Your vehicle is equipped with a
service connector for the trailer
brake controller as shown.
I n f o r ma t i o n P r o v i d e d b y :
maximum gross trailer