On the ball
Are you right up to speed on the towing regulations, and your obligations when towing a horsefloat? Neil Clarkson seeks some answers.
The rumours circulated at dizzying speed. You will no longer be able to tow a horsefloat with a car; only four wheel-drives will be legal with a two-horse float; the regulations are getting so tough that even some four-wheel-drives won't be up to the job.
Not so long ago, the rumour mill would have us believe that the horse float was on its way to extinction. Today, the rumours have run out of steam. However, the obligations imposed on those pulling a light trailer - and that includes a horsefloat - are strict, and specific. Have you ensured you're meeting all requirements on the road?
Horsefloats are classified as light trailers. Horse floats will normally fall into the TB class - that is, a trailer with maximum loaded weight of between between 0.75 tonnes and 3.5 tonnes. The manufacturer of the float will normally specify this weight, which is technically referred to as the maximum gross vehicle mass. Your local weigh station or rubbish transfer station may allow you to weigh in with your horses on board. My local rubbish transfer station charges a few dollars for the privilege.
It is important that you know the laden weight of your float for two reasons:
. To ensure that it is within the float manufacturer's requirements. . To work out whether it is legally within the parameters of the towing vehicle.
Before we deal with towing weight, the braking issue needs to be addressed. There is one essential braking requirement for all vehicles towing a trailer: it must be able to stop from 30kmh within 7m. This applies whether your float has brakes fitted, or not. Brakes are mandatory on trailers with a laden weight greater than 2000kg, which will cover most tandem horse floats. It is unlikely any unbraked two-horse float will pass the 7m test, no matter how good the brakes of the towing vehicle. So, armed with the laden weight of your float, you can now determine whether you are legal to tow it. Chances are you will find the definitive weight for your vehicle in its handbook. A couple of things to note:
Towing weights are given for braked and unbraked trailers. They can vary between automatic and manual transmissions within the same model. Sometimes, manufacturers might specify tow coupling positions required to meet the towing maximums. The limits given assume that the brakes of the vehicle and the trailer - where fitted - are in good working order. It is important to remember that even if you meet the load requirements of your vehicle manufacturer, you are still required to be able to stop from 30kmh within 7m.
Your float's lighting is looked at during its warrant of fitness, so we won't go into detail here. However, it is important that you understand the situation with towballs. If you have a problem, your warrant garage should already have brought it to your attention, and resolved it.
However, it always pays to check. There are two sizes for tow balls: the old 7/8ths of an inch, which has a diameter of 47.5mm, and the newer 50mm ball. Drivers need to be very careful using the smaller imperial-measurement ball with a newer coupling, as there is a risk they can come apart. Some couplings are designed to deal with both ball sizes. Your ball and coupling should be marked clearly. If you're in any doubt, get your garage to check it out.
In terms of overall dimensions for your float, some of these can only be checked when your float is attached to your towing vehicle. Hook it up and check it against this diagram from the Land Transport Safety Authority.
It is also important that you can complete a 360degree turn within a 25m circle: While doing this, no part of the float or vehicle may touch, apart from the coupling.
Land Transport Safety Authority Guidelines for towing light trailers
Trailer brakes -* Trailer includes a caravan, boat trailer, garden trailer or horse float.
There are three types of brakes:
1. Service brakes - Indirect trailer service brakes (for example, overrun brakes) apply themselves when the towing vehicle brakes. Direct trailer service brakes are directly operated by the driver of the towing vehicle from inside the vehicle. 2. Breakaway brakes - these brakes will apply themselves automatically if the trailer is accidentally disconnected from the vehicle. 3. Park brake - these brakes are applied by hand and are useful for holding the trailer when it has been disconnected from the towing vehicle.
Although trailers with a laden weight of less than 2,000 kg are not required by law to have any of the above brakes, the law does require that every light vehicle and trailer combination must be capable of stopping within a distance of 7 m from a speed of 30 km/h. In effect, this means that the maximum allowable weight of an unbraked trailer is limited by the weight and braking ability of the vehicle towing it.
As a guide, the Land Transport Safety Authority (LTSA) recommends that the laden weight of an unbraked trailer should not exceed 3/4 of the unladen weight of the towing vehicle and then only if the towing vehicle's brakes and tyres are in excellent condition. A trailer heavier than this may prevent the vehicle combination from meeting the 7 m from 30 km/h brake performance requirement. If the trailer is equipped with brakes, it may be possible to safely tow a trailer heavier than 3/4 of the unladen weight of the towing vehicle, but the 7 m from 30 km/h brake performance requirement still applies.
Most vehicles have tow ratings given to them by the manufacturer specifying the trailer weight that the vehicle can safely tow. Although the law does not require these tow ratings to be followed, it is recommended that they be taken into account.
Trailers with a laden weight between 2000 kg and 2500 kg must have a service brake (direct or indirect) and either a breakaway brake or twin crossed safety chains that are strong enough to prevent the trailer breaking away if the coupling fails. Park brakes are not required.
Trailers with a laden weight of 2,500 kg or more must have all three types of brakes, and service brakes must be of the direct type.
Safety chain Trailers with a laden weight under 2000 kg must be fitted with at least one safety chain. The chain must be short enough to prevent the trailer tow coupling from hitting the ground if the coupling breaks.
The LTSA recommends that safety chains be bolted. In some situations welding is acceptable, provided it meets Warrant of Fitness requirements.
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