Chicharito proved the matchwinner against Newcastle United in midweek.
"He has been doing it all season," said Ferguson. "Every time Javier has played he has contributed. He has got 10 goals now and that is despite not playing every week.
"On Wednesday he could have scored four or five."
There have been suggestions Hernandez is unhappy with his role in United's season and further rumours about the potential for a bid from Real Madrid.
Given his background, such a move would probably be quite attractive.
In all his public statements though, Hernandez has professed a willingness to keep battling for his place and acknowledgements of the strength Ferguson has within his squad.
And the Scot also reports a near-perfect attitude on the training ground too.
"Javier's effort and enthusiasm to play is absolutely fantastic," he said. "He is a great example to anybody who wants to be a footballer. He is exactly the same in training and gives 100% in every session.
"It is refreshing when you get a young man with that attitude to playing football."
Yet, even with Wayne Rooney absent with a knee injury, Hernandez cannot be guaranteed a start against West Brom at Old Trafford tomorrow.
Ferguson is concerned about the draining effects a sticky pitch on Wednesday may have on a striker who relies on his explosive pace.
"Javier must have run about 20 miles against Newcastle," said Ferguson.
"He never stopped."