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CIDYearIDStrokeMainRodMaterial

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221 260 28962-68C2OZ2.872.24862.1232Cast Iron

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221 260 28962-68C3OZ2.872.24862.1232Cast Iron

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221 260 28962-681M2.872.24862.1232Cast Iron

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221 260 28962-681MA2.872.24862.1232Cast Iron

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289HP63-671M2.872.42862.1232High Nodular Iron, last counterweight may be polished for hardness test. May have orange paint swatch

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30268-69C8AZ-A 3.002.24862.1232Cast Iron

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30268-692M3.002.24862.1232

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30270-74C8AZ-A3.002.24862.12322

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30270-742M3.002.24862.12322

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30270-742MA3.002.24862.12322

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30275-782M 3.002.24862.1232

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30275-782MA3.002.24862.1232

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Boss 30269-70D0ZE-A3.002.24862.1232Forged steel, 69 is crossdrilled

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Boss 30269-707FE-B3.002.24862.1232Forged steel, 69 is crossdrilled

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351W69-723M 3.53.00002.3110

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351W69-723C3.53.00002.3110

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351W73-793MA3.53.00002.3110

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351C70-744M3.52.7492.311Boss and HO have Brinell hardness test mark located on a polished conuterweight

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351C70-744MA3.52.7492.311Boss and HO have Brinell hardness test mark located on a polished conuterweight

.

351M75-801K3.53.0002.311

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40071-805M4.03.0002.311

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40071-805MA4.03.0002.311

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40071-805MAB4.03.0002.311

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42968-784U3.593.002.5

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42968-784UA3.593.002.5

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46068-782Y3.853.002.5

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46068-782YA3.853.002.5

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46068-782YAB3.853.002.5

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46068-782YABC3.853.002.5

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46079-3Y3.853.002.5