Specifications Brand: Caterpillar Model: 321D LCR Excavator Serial Number: MPG Machine Type: Hydraulic Excavator Machine Configuration: Long Carriage Reduced Radius (LCR) Engine: C6.4 Engine Manual Type: Operation and Maintenance Manual Language: English Format: PDF https://heavymachinerymanuals.com/product/caterpillar-321d-lcr-excavator-operation-and-maintenance-manual-mpg/