Komatsu PC200LC-7B 2.9M Arm Bucket Linkage - FOR ADDITIONAL PIPING - Serial C50001-UP
Komatsu PC200LC-7B 2.9M Arm Bucket Linkage - FOR ADDITIONAL PIPING - Serial C50001-UP helps customers identify the correct replacement parts used in the bucket linkage area for PC200LC-7B machines within serial range C50001-UP.
This page focuses on the bucket-to-arm linkage diagram shown below. Use the illustration and numbered callout list to match the correct pin, bushing, seal, link, spacer, and hardware part numbers before ordering.
Machine coverage: PC200LC-7B
Serial range: C50001-UP
Section: 2.9M Arm Bucket Linkage - FOR ADDITIONAL PIPING
How to Use This Bucket Linkage Hub
- Confirm your machine model, serial number, and arm length before choosing parts.
- Match the callout number on the linkage image to the numbered parts list below.
- Use serial notes, lubrication notes, and option notes to choose the correct bucket linkage pin, bushing, seal, or link part.
- Open the linked part number directly when you want to review product availability.
Why This Bucket Linkage Page Matters
Bucket-to-arm linkage joints are among the highest-wear points on Komatsu excavators. This reference page helps buyers verify pivot-group parts, reduce ordering mistakes, and identify the exact linkage hardware shown in the OEM-style illustration.
Callout Parts List
| No. | Part Number | Description | Qty | Serial / Notes |
|---|---|---|---|---|
| 1 | 20Y-70-33121 | LINK | 1 | SN: 200008-UP | Refs: 20Y7033121NK, 20Y70D2270, R20Y7033121 |
| 2 | 20Y-70-32351 | BUSHING | 2 | SN: 200001-UP |
| 3 | 20Y-70-32361 | BUSHING | 2 | SN: 200001-UP |
| 4 | 07020-00000 | FITTING | 3 | SN: 200001-UP |
| 5 | 20Y-70-23220 | SEAL | 4 | SN: 200001-UP |
| 6 | 20Y-70-23230 | SEAL | 2 | SN: 200001-UP |
| 7 | 205-70-73130 | LINK | 2 | SN: 200001-UP | Refs: 2057073130NK |
| 8 | 205-70-73160 | PIN | 1 | SN: 200001-UP | Refs: 22U7021191 |
| 9 | 205-70-73190 | BOLT | 1 | SN: 200001-UP |
| 10 | 01580-12016 | NUT | 2 | SN: 200001-UP |
| 11 | 20Y-70-31450 | SPACER ¤ 1.0MM | 2 | SN: 200001-UP | Refs: 20Y7031451 |
| 12 | 20Y-70-31460 | SPACER ¤ 2.0MM | 1 | SN: 200001-UP | Refs: 20Y7031461 |
| 13 | 22U-70-21190 | PIN | 1 | SN: 200001-UP | Refs: 2057073160, 22U7021191 |
| 14 | 205-70-73190 | BOLT | 1 | SN: 200001-UP |
| 15 | 01580-12016 | NUT | 2 | SN: 200001-UP |
| 16 | 20Y-70-31440 | SPACER ¤ 1.0MM | 4 | SN: 200001-UP | Refs: 20Y7031441 |
| 17 | 20Y-70-31480 | SPACER ¤ 2.0MM | 1 | SN: 200001-UP | Refs: 20Y7031481 |
| 18 | 205-70-73270 | PIN | 1 | SN: 200001-UP | Refs: 22U7011672 |
| 19 | 205-70-73190 | BOLT | 1 | SN: 200001-UP |
| 20 | 01580-12016 | NUT | 2 | SN: 200001-UP |
| 21 | 205-70-73270 | PIN | 1 | SN: 200001-UP | Refs: 22U7011672 |
| 22 | 362-46-11210 | BOLT | 1 | SN: 200001-UP |
| 23 | 01580-12016 | NUT | 2 | SN: 200001-UP |