Ministry of Transportation / Ministère des Transports
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Farm Guide
Farm Equipment on the Highway

Farm Equipment Rules

Load Security - Farm Equipment
HTA 111 Reg 363/04

Legislation does not offer specific methods, standards or specifications for securing loads on SPIH or implements towed with tractors, SPIH or off-road vehicles. Farm equipment drivers may look to the load security requirements for trucks and trailers for guidance.

Note: Loads on implements, such as hay wagons that are towed with trucks, are required to be loaded, bound, secured, contained or covered so that no portion of the load becomes dislodged, falls, leaks, spills or blows from the implement.

If the truck that is towing the implement is also loaded, see Ontario Regulation 363/04 (Security of Loads) made under the HTA, for the load security requirements for the truck.

Towing Implements
HTA 1, 113, 161

Towing Implements
Tractors, SPIH and trucks are permitted to tow more than one implement on the road.
Wagons do not become trailers
Wagons, including wagons carrying farm equipment or components of farm equipment such as combine heads, do not become trailers when towed by trucks and are, therefore, not subject to the trailer requirements relating to brakes, size, annual safety inspections and other requirements. This also applies to other types of implements such as, but not limited to, balers, ploughs and tillage equipment.
A wagon, while being used for non-farm purposes can become a trailer when towed behind a truck.
A trailer, whether plated or not, is an "implement" when towed by a tractor or SPIH.
Trailers do not become wagons
Highway trailers, such as a utility, gooseneck and float trailers, when towed with a truck, do not become farm wagons simply because they are carrying farm products, including livestock or equipment.
Highway trailers converted to cargo carrying implements
Former highway trailers may be permanently redesigned, converted or reconstructed for specific uses in farming. The modifications must lend themselves to a specific use in farming with the vehicle being of little use except to carry the farm products or equipment that it was designed to carry. After conversion, it would not be practical to use the vehicle for its original purposes.
If modifications to a former highway trailer are sufficient, the vehicle can be considered a farm wagon and may be towed behind a truck as a farm wagon. A slow moving sign is required on the wagon and it cannot be towed over 40 km/h. (See slow moving vehicle sign rules.)
Some farm wagon manufacturers build farm wagons that have one or more axles located at, or near, the longitudinal centre of the wagon (centre axle farm wagons). These wagons are generally built to carry specific farm products or equipment such as large bales, combine heads, bulk liquid fertilizer tanks and sprayers. These types of wagons remain wagons even when towed behind trucks.

Note: The information on converted former highway trailers and centre axle farm wagons is not found in law but is mentioned here as guidance.