Chevrolet 2010 Express Bedienungsanleitung PDF herunterladen (Seite 263)

100

101

Do not exceed the maximum allowable tongue weight

for the vehicle. Choose the shortest hitch extension that

will position the hitch ball closest to the vehicle. This

will help reduce the effect of trailer tongue weight on the

rear axle.

After loading the trailer, weigh the trailer and then the

tongue, separately, to see if the weights are proper.

If they are not, adjustments might be made by moving

some items around in the trailer.

Trailering may be limited by the vehicle’s ability to carry

tongue weight. Tongue weight cannot cause the

vehicle to exceed the GVWR (Gross Vehicle Weight

Rating) or the RGAWR (Rear Gross Axle Weight

Rating). The effect of additional weight may reduce the

trailering capacity more than the total of the additional

weight.

Consider the following example:

A vehicle model base weight is 5,500 lbs (2 495 kg);

2,800 lbs (1 270 kg) at the front axle and 2,700 lbs

(1 225 kg) at the rear axle. It has a GVWR of 7,200 lbs

(3 266 kg), a RGAWR of 4,000 lbs (1 814 kg) and a

GCWR (Gross Combination Weight Rating) of

14,000 lbs (6 350 kg). The trailer rating should be:

Expect tongue weight to be at least 10 percent of trailer

weight (850 lbs (386 kg)) and because the weight is

applied well behind the rear axle, the effect on the rear

axle is greater than just the weight itself, as much as

1.5 times as much. The weight at the rear axle could be

850 lbs (386 kg) X 1.5 = 1,275 lbs (578 kg). Since the

rear axle already weighs 2,700 lbs (1 225 kg), adding

1,275 lbs (578 kg) brings the total to 3,975 lbs (1 803 kg).

This is very close to, but within the limit for RGAWR as

well. The vehicle is set to trailer up to 8,500 lbs

(3 856 kg).

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