Komatsu PC200LC-8 5.7M Boom - Serial 310001-315645
Komatsu PC200LC-8 5.7M Boom - Serial 310001-315645 helps customers identify the correct replacement parts used in the 5.7M Boom section for PC200LC-8 machines within serial range 310001-315645.
This page is organized like a technical reference for the machine section shown below. Use the illustration and numbered callout list to match the correct part number, description, quantity, and any serial-break note that appears in the parts data.
Machine coverage: PC200LC-8
Serial range: 310001-315645
Section: 5.7M Boom
How to Use This Parts Hub
- Confirm your machine model and serial number before choosing parts.
- Match the callout number on the image to the numbered parts list below.
- If the same callout appears more than once, use the serial note or option note to choose the correct line.
- When a linked product page is available, open that part directly from the callout table.
Related Bucket Linkage Hubs
Use these related bucket-to-arm linkage pages to verify adjacent pivot-group parts and compare callout diagrams for the same machine family.
- Komatsu PC200LC-8 Bucket-to-Arm Linkage - Serial 310001-315645
- Komatsu PC200LC-8 Bucket-to-Arm Linkage - Serial 310001-315645
- Komatsu PC200LC-8 Bucket-to-Arm Linkage - FOR 1.8M AND 2.4M ARM - Serial 310001-315645
- Komatsu PC200LC-8 Bucket-to-Arm Linkage - HEAVY DUTY, FOR 2.9M ARM - Serial 310001-315645
Callout Parts List
| No. | Part Number | Description | Qty | Serial / Notes |
|---|---|---|---|---|
| 1 | 20Y-70-41143 | Boom | 1 | 310001-315645 | SN: 310001-UP |
| 2 | 20Y-62-45152 | Bracket (Welded) | 1 | 310001-315645 | SN: 310001-UP |
| 3 | 20Y-62-45162 | Bracket (Welded) | 1 | 310001-315645 | SN: 310001-UP |
| 4 | 20Y-62-45170 | Bracket (Welded) | 1 | 310001-315645 | SN: 310001-UP |
| 5 | 20Y-62-52710 | Bracket (Welded) | 2 | 310001-315645 | SN: 310001-UP |
| 6 | 20Y-62-45210 | Bracket (Welded) | 1 | 310001-315645 | SN: 310001-UP |
| 7 | 20Y-62-52720 | Bracket (Welded) | 4 | 310001-315645 | SN: 310001-UP |
| 8 | 20Y-70-11651 | Seat (Welded) | 1 | 310001-315645 | SN: 310001-UP |
| 9 | 20Y-70-21640 | Bushing | 2 | 310001-315645 | SN: 310001-UP |
| 9 | 20Y-70-31512 | Bushing | 2 | 310001-315645 | SN: 310001-UP |
| 10 | 07145-00090 | Seal | 2 | 310001-315645 | SN: 310001-UP |
| 11 | 07049-01215 | Plug | 2 | 310001-315645 | SN: 310001-UP |
Related Komatsu PC200 Hubs
These section pages are designed to support Komatsu parts lookup for wear components and related hardware. Where a line is not linked to a product page yet, keep using the callout list as a technical reference for the correct machine section and serial-range fitment.