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Re: AC engine D-17 or ?

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09-30-2002 17:03:29

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Look at the engine serial number. On a D17, this is found on the side of the engine block near the carburetor. A D17, 170, or 175 engine will begin 17-######. A standard D17 engine will then have a suffix of M, indicating a 7.2:1 compression ratio. A 170 will be Z, indicating an 8:1 ratio, and a 175 and D17 propane engine will end in V, indicating an 8.2:1 ratio. A WD45 engine will be 45-######, and a WD or WC engine will be W-######. The early WC's had the serial number on the back side of the block above the flywheel. When installed in the tractor, it's right above the bell housing. A D17 engine has a line of cast iron around the bottom of the block on the outside to stiffen the block, and a WC or WD engine has a steel on the right side over the push rods.

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