At the top left is an article about White having to license the White Horse design from Divco because Divco held patents on stand-drive/low through-aisle vehicles.

White Horse Model 200

The 7 bar, 9 bar OHV is for 1930s model 700 series trucks, with the radiator cap exposed on top.  1940a WA and later the 9 bar meant big block White flatheads.

On the Natrona truck, the bumper looks like the standard but I've never seen the circular thing in the middle.  Some grill guards looked kind of like that, but more on the W series trucks.

Bruce

Bruce Ohnstad (3/29/2020)

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Natrona truck is a model 709 or maybe 750 (which was basically the same chassis as a WC22)  7 vertical bars on each side of the grill mean the 300 to 362 cid flathead engine,.  9 bars on the grill mean the larger OHV White engine.  Interesting vertical smoke stack, but I don't know if there were Diesels available on the small grilled engines.

Bruce

Thanks for those IDs, especially the details about the grille bars. Never noticed a difference before.

Natrona truck is a model 709 or maybe 750 (which was basically the same chassis as a WC22)  7 vertical bars on each side of the grill mean the 300 to 362 cid flathead engine,.  9 bars on the grill mean the larger OHV White engine.  Interesting vertical smoke stack, but I don't know if there were Diesels available on the small grilled engines.

Bruce

At first I thought the Natrona truck had an inertia starter, but I guess its a third headlight ?
Low sun angle illuminates the chassis which is normally in the dark.

Thank you, John.  Bell semi is a model 641,  519cid, 107 HP

Bruce

St Louis 1931


Denver 1940

Spoke adaptors?