Yes. Changsha Haochang Machinery (HC Enginepart) manufactures replacement crankshafts for EMD 645-series locomotive diesel engines. Stock crankshafts are available for immediate sample inspection — buyers can verify journal dimensions, hardness readings, and surface finish before committing to volume. A one-year post-installation warranty is provided on all EMD645 crankshafts shipped under the HC brands. All products are manufactured to OE specifications and certified under ISO 9001:2026. For sample requests and specifications, contact us.