Jerry is right, bigger is better. I have run a lot of big machines over the years and you can machine small stuff on a big machine.
Like take a small engine to be rebored on a horizontal mill that has a 8x12 foot table and you road the headstock.

Don

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
1946 2-Ton grain truck
1946 3/4-ton pickup,
1953 1-ton pickup
1957 1-ton flatbed dually,
1954 Pontiac Straight Eight
Of all the things I've lost in my life, I miss my mind the most!