SERIAL NUMBER LOCATIONS Engine Serial Number Always use the serial number of the excavator when requesting service information or when ordering parts. Early or later models (identification made by serial number) may use different parts, or it may be necessary to use a different procedure in doing a specific service operation. Figure 2 1 Excavator Serial Number Figure 1 P-49407 Figure 3 1 P-49278 1 The excavator serial number plate (Item 1) is located on the frame of the machine in the location shown [Figure 1] . Explanation of excavator Serial Number: XXXX XXXXX Module 2.
- Production Sequence (Series) P-49406 The engine serial number (Item 1) [Figure 2] and [Figure 3] is located on the engine in the locations shown. Module 1. - Model / Engine Combination 1. The four-digit Model/Engine Combination Module number identifies the model number and engine combination. 2. The five-digit Production Sequence Number identifies the order which the excavator is produced. 325/328 Excavator VII Operation and Maintenance Manual