Toyota Grand Highlander (AS10) 2024 Owners Manual / Driving / Before driving / Towing related terms

Toyota Grand Highlander (AS10): Towing related terms

■ GCWR (Gross Combination Weight Rating)

The maximum allowable gross combination weight. The gross combination weight is the sum of the total vehicle weight (including the occupants, cargo and any optional equipment installed on the vehicle) and the weight of the trailer being towed (including the cargo in the trailer).

■ GVWR (Gross Vehicle Weight Rating)

The maximum allowable gross vehicle weight. The gross vehicle weight is the total weight of the vehicle. When towing a trailer, it is the sum of the vehicle weight (including the occupants, cargo and any optional equipment installed on the vehicle) and the tongue weight.

■ GAWR (Gross Axle Weight Rating)

The maximum allowable gross axle weight. The gross axle weight is the load placed on each axle (front and rear).

1. Front GAWR
2. Rear GAWR

■ TWR (Trailer Weight Rating)

The maximum allowable gross trailer weight. The gross trailer weight is the sum of the trailer weight and the weight of the cargo in the trailer.

TWR is calculated assuming base vehicle with one driver, one front passenger, towing package (if available), hitch and hitch systems (if required).

Additional optional equipment, passengers and cargo in the vehicle will reduce the trailer weight rating so as not to exceed GCWR, GVWR and GAWR.

If the gross trailer weight exceeds 3000 lb. (1360 kg), it is recommended to use a trailer with 2 or more axles.

1. With brakes

■ Unbraked TWR (Unbraked Trailer Weight Rating)

The trailer weight rating for towing a trailer without a trailer service brake system.

1. Without brakes

■ Tongue Weight

The load placed on the trailer hitch ball.

Weight limits

• The gross trailer weight must never exceed 5000 lb. (2265 kg).
• The gross combination weight must never exceed 10600 lb. (4800 kg).
• The gross vehicle weight must never exceed the GVWR indicated on the Certification Label.
• The gross axle weight on each axle must never exceed the GAWR indicated on the Certification Label.
• If the gross trailer weight is over the unbraked TWR, trailer service brakes are required.
• If the gross trailer weight is over 2000 lb. (907 kg), a sway control device with sufficient capacity is required.

GCWR, TWR and Unbraked TWR

Confirm that the gross trailer weight, gross combination weight, gross vehicle weight, gross axle weight and tongue weight are all within the limits.

■ GCWR*

10600 lb. (4800 kg)

■ TWR*

5000 lb. (2265 kg)

■ Unbraked TWR*

1000 lb. (453 kg)

*: This models meet the tow-vehicle trailering requirement of SAE International per SAE J2807.