The popularity of Ertl toys is undoubtedly due to their detailed, small-scale representations of tractors and other vehicles. For years, Ertl's advertising slogan was "Ertl just like the real thing, only smaller."
The Trailer wheels does not looks good, but the trailer is metal.
This is a real New Holland tractor.
This ERTL L665 just like the real thing, only smaller. The tractor is made by metal and it is heavy.