i I have been around lift truck a while (41 years) but I just "screwed things up" when I sold something so the service folks could come in and fix things or at least that is what they say. Most or those that have posted have been around for a while & have gone to at least 3 county fairs & a goat roping contest plus busted there knuckles pulling a wrenches and have given you solid advice. Search by the OEM Part Number using the SEARCH function at the Posted on. Secondly, finding a parts manual for this unit (the nearest Yale Lift Truck dealer is the best possible" source - if available or just maybe an person who never thru anything away "might" have one (needle in a hay stack - me thinks). Including, Toyota forklift parts, Hyster forklift parts, Yale forklift parts. Get the price and find out what the shipping cost would be. It identifies the manufacturing plant, as described below.
Part 2: This section should be a single letter. This sequence refers to the design series and model of the forklift, according to the table to the right.
YALE FORKLIFT SERIAL NUMBER SEARCH DRIVERS
Just for starters, once you find the s/n & model number just try finding an "approved" Drivers Overhead Guard (OSHA) for this unit as the mast has the ability lift a load above the operators head. Part 1: This section should be a combination of letters and numbers. The unit look to have some decent poundage - most everything metal vs the lots of plastic used in modern lifts today. The good news is all the fluids have been drained ( or leaked out or evaporated by now and you probably can get most of you money back when you haul it to the scrap yard.
My opinion is the same as others, thsi project will be worse than trying to restore a vintage wooden Chris Craft and be just like a boat of any kind "a hole" in the water you pour money into. dot intellaliftparts dot com/blog/decode-yale-forklift-model-number/ eliminate the extra spaces and replace the two dot with a period. Click on the blue link label here near the top of the page. A serial umber would go a long way to help identifying the model number, year etc.