Connecting Rod 72-03002.00 is used in SMD-60 and SMD-72 diesel engines installed on HTZ tractors. It is part of the piston and connecting rod assembly and is designed to transmit force from the piston to the crankshaft, converting the piston's reciprocating motion into the rotational motion of the crankshaft.
The connecting rod is compatible with SMD-60, SMD-61, SMD-62, SMD-63, SMD-64, SMD-65, SMD-66, SMD-72, and SMD-73 engines. The complete assembly consists of Connecting Rod 72-03101.00, Connecting Rod Bushing A57.01.005, Connecting Rod Cap 72-03102.00, Connecting Rod Bolt A20.00.008, Lock Plate 60-03103.00, Connecting Rod Bearing Shell A23.01-9103A, and the following bearing shell sets: A23.01-91-60AsbN1, A23.01-91-60sbLN1, A23.01-91-60sbLN2, and A23.01-91-60AsbN2.
When servicing or rebuilding SMD engines, it is recommended to install a matched set of connecting rods with the closest possible weight. This helps reduce engine vibration, ensures smoother operation, and extends the service life of the crankshaft and connecting rod assembly. A weight difference of up to 10–15 g is generally considered acceptable, while professional engine builders typically aim to keep the variation within 5–10 g for optimum balance.
Before installation, inspect the condition of the small-end bushing, the bearing seats, and the connecting rod bolts and threads. During engine overhaul, the bearing shells should be selected according to the crankshaft journal size or the appropriate undersize repair dimension.
The connecting rod is used on HTZ T-150, T-150K, T-151, and other machines equipped with SMD-60/72 series engines.
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Chassis type колесный / гусеничный
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Applicability by brand ХТЗ
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Number of uses in a unit/technique 6 pcs
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Installation location поршень / двигатель
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Catalog number 72-03002.00
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Node двигатель / поршень с шатуном
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Engine СМД-60/72
