stirling10Fx4

This is on the right track. Any pick up truck is considered by definition to be a commercial motor vehicle. This includes a Ranger to a F650 and so on based on the vehicle configuration. In Ontario, if your Registered Gross Weight (RGW) or Actual weight exceeds 4500 Kgs, you are required to be registered as a commercial motor vehicle on your registration and have completed annual safety inspections. 4501 kgs and you are in the commercial motor vehicle game.
This does not ring entirely true in regards to the trailer being towed as stated above. As per Ontario Regulation 628, the trailer on its own must transmit in excess of 2800 kgs of weight to be added in combination to the weight of the motor vehicle it is being towed behind.
As for all F350's being required to be registered as CMV's, this is the first I have heard of this, but I have never owned one. If true, it would be due to their RGW. There are plenty of them out there that are not being inspected annually or by MTO as they are being used for personal use.
You are not at risk of being pulled over by MTO and inspected unless you are blatantly viewed as a hazard to road safety. I can assure you, blazing down the highway with an insecure load or with a trailer in tow, you are going to get unwanted attention and inspected no matter what you weigh. Because you have chosen to drive a motor vehicle with a truck body you are in the game. It will most likely result in the Police pulling you over before MTO, and either bringing you to an inspection station or having and MTO officer come to you on the side of the road. Drive with respect of others and common sense, especially when loaded and you will have no issues.

f150skidoo

Well the thing for me is that i use my dad work trailer to haul the sleds so its covered in his company's name, so i gotta be a bit more careful with the rules than others. I have also heard of the MTO pulling over snowmobile trailers over on the 400 & hwy 11 in Muskoka and ticketing them for improper registered weight.

stirling10Fx4

I am going to go out on a limb and assume the trailer you are towing is lettered with a company logo and quite possibly is towed daily by a truck registered as a CMV. I am going to also guess that the trailer has an annual tag (Yellow sticker with month and year punched out). If this is indeed the case, the trailer is putting you in the game and you will need and annual to pull it without getting any heat.

f150skidoo

Yep your assumption is quit right.

schm2918

I'm glad we're not the only crazy ones! The biggest we've done is a 30' diameter bin. but we normally spilt them in half to avoid taking down powerlines... and move them on Sunday mornings... with a chase vehicle.

ridinhigh93

Here I california it's not really an issue if your truck has the original bed. Once you put a flat bed on it or a service body your required to do a weight declaration on how much you plan on weighing. It's just an extra charge due when registering not a big deal. But once you do that they want you to stop at all scales. Stopped once in my powerstroke which has a flat bed and the scale cop yelled at me for wasting his time so never stopped again. Never had an issue I blow by two scales everyday and another two on weekend hauling trips.

RES4CUE

I can tell you with 100% certainty that nothing but commercial tractor trailers stop at scales in Va. There has to be more to the 7500# thing.

Imagine all the vehicles that would have to stop?

jeffinthebag

In Virginia any vehicle over 10,000 lbs commercial or private is supposed to by law stop at all scales. But the DOT looks the other way on private vehicles. Just think if everyone did stop, what a bottleneck it would cause. But it is one the books if they do decide to spot check vehicles at will (rare, but they do).

packplantpath

NC does as well. But if you don't drive through the weigh station they sometimes will chase you down to tell you that you should. Happened to a coworker and the trooper said that we should pull through the station so they can see our tags. I've driven loaded f350s by the Greensboro weigh station dozens of times and never got stopped for not pulling in. It really seems to be luck of the draw for anything other than a semi.

Wiscony

In WI private truck plates are registered in three classes. 4500# 6000# and 8000# The 10000# tags jumps you to commercial plates. The scales say over 8000# to stop. Funny thing is the dealer tried putting the B plates on mine and I had to tell him to put the C plates on. Pretty much having just me in the truck I would be over 6000#. I also see guys running around with A plates all the time. Private vehicles its a $500 fine for being under registered. I don't know if they are sticklers for the weights on the door sticker or if they just go by the plates.

Where they are hard on people is trailers over 3000# need trailer brakes.