Hello Riley,
FG35C-1 #60110 was shipped to Canada in 1975 with Nissan PPU240 Engine.
On most Nissan engines there is a flat surface located somewhere near where the distributor goes into the engine block where Nissan stamps the Engine Model and S/N.
FYI, the Komatsu Parts Book No. for this engine is PPU240-PE4 and although not normally stocked due to the age of the truck is still available from Komatsu. Contact your local Komatsu Forklift dealer by using the dealer locator at www dot kfiusa dot com
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