Driving and operating 213The permissible gross train weightmust not be exceeded. This weight isspecified on the identification plate3 266.Vertical coupling loadThe vertical coupling load is the loadexerted by the trailer on the couplingball. It can be varied by changing theweight distribution when loading thetrailer.The maximum permissible verticalcoupling load (75 kg)2) is specified onthe towing equipment identificationplate and in the vehicle documents.Always aim for the maximum load,especially in the case of heavytrailers. The vertical coupling loadshould never fall below 25 kg.Rear axle loadWhen the trailer is coupled and thetowing vehicle fully loaded, thepermissible rear axle load (seeidentification plate or vehicledocuments) may be exceeded by60 kg, the gross vehicle weight ratingmay be exceeded by 60 kg. If thepermissible rear axle load isexceeded, a maximum speed of60 mph applies.Towing equipmentCautionWhen operating without a trailer,remove the coupling ball bar.Stowage of coupling ball barThe bag with the coupling ball bar isstowed in the load compartment.Place the strap through the right rearlashing eye, wrap around twice andtighten the strap to secure the bag.2) Engine B16DTH: Depending on the equipment the maximum permissible vertical coupling load can be 75 kg or 60 kg.
