This is Caterpillar CAT 320B special export classic hydraulic excavator, classic Caterpillar yellow appearance, with official export license for global engineering, infrastructure and mining markets. The whole vehicle adopts Caterpillar's mature and reliable core technology: the power system is equipped with 3066T inline 6-cylinder turbocharged diesel engine, maximum power 100kW (134HP), sufficient torque, strong climbing ability, fuel consumption performance better than the same level models, global universal accessories, extremely low maintenance cost. The hydraulic system adopts Caterpillar load-sensing hydraulic system, main pump flow 180L/min, fast action response, accurate and smooth operation, no jamming in compound action, maximum working efficiency. The chassis adopts steel track + heavy-duty rollers, with track guard plate, low ground pressure, strong passability, suitable for muddy, mountainous and other complex road conditions. The cab adopts enclosed shock-absorbing design, standard with air conditioning, floating shock-absorbing seat, high-definition dashboard, wide vision and comfortable operation, reducing driver fatigue. Core working parameters: standard bucket capacity 1.0m³, maximum digging depth 6500mm, maximum digging radius 9500mm, maximum digging height 9400mm, fully meeting the full-scene operation needs of 20 ton class models. The whole vehicle has solid structure, tough and durable, global universal accessories, low maintenance cost, with official export license, can directly complete export procedures. It is the first choice classic 20 ton class excavator for overseas engineering procurement.