Well, originally, I didn't mention you should list the cylinders, but it's neat to see that everybody has.
So...
Here's mine:
8 - '02 GMC Yukon XL (205,000 miles)
6 - '09 Chevy Traverse (56,000 miles)
4 - '04 Saab 9.3 (182,000 miles) --
(my sons, but technically mine).....yea...he made me give him props.
1 - Generac Generator - four stroke
1 - Cub Cadet trimmer - four stroke
1 - Craftsman mower - four stroke
1 - Makita leaf blower - four stroke
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22 total
That's a total of 443,000 miles on the vehicles.
Unknown on the equipment, but they're all more than five years old and some reaching 15 years old.
