Komatsu PC200LC-8 Bucket-to-Arm Linkage - Serial A90301-UP

Komatsu PC200LC-8 Bucket-to-Arm Linkage - Serial A90301-UP helps customers identify the correct replacement parts used in the bucket linkage area for PC200LC-8 machines within serial range A90301-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-8
Serial range: A90301-UP
Section: Bucket-to-Arm Linkage

Komatsu PC200LC-8 Bucket-to-Arm Linkage - Serial A90301-UP bucket linkage parts diagram with pin, bushing and seal callouts

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
0 20Y-70-01240 LINK 1 SN: A90301--UP
1 20Y-70-33121 LINK 1 SN: A90301--UP | Refs: 20Y7033121NK, 20Y70D2270, R20Y7033121
2 21K-70-12161 BUSHING 2 SN: A90301--UP
3 205-70-73180 BUSHING 2 SN: A90301--UP
4 07020-00000 FITTING 3 SN: A90301--UP
5 20Y-70-23220 SEAL 4 SN: A90301--UP
6 20Y-70-23230 SEAL 2 SN: A90301--UP
7 205-70-73130 LINK 2 SN: A90301--UP | Refs: 2057073130NK
8 22U-70-21191 PIN 1 SN: A90301--UP | Refs: 2057073160
9 20Y-70-32450 BOLT 1 SN: A90301--UP
10 01580-12016 NUT 2 SN: A90301--UP
11 20Y-70-11320 SPACER, 0.8 MM 1 SN: A90301--UP
12 20Y-70-11330 SPACER, 1.5 MM 3 SN: A90301--UP
13 22U-70-21191 PIN 1 SN: A90301--UP | Refs: 2057073160
14 20Y-70-32450 BOLT 1 SN: A90301--UP
15 01580-12016 NUT 2 SN: A90301--UP
16 20Y-70-11320 SPACER, 0.8 MM 1 SN: A90301--UP
17 20Y-70-11330 SPACER, 1.5 MM 4 SN: A90301--UP
18 205-70-73270 PIN 1 SN: A90301--UP | Refs: 22U7011672
19 20Y-70-32450 BOLT 1 SN: A90301--UP
20 01580-12016 NUT 2 SN: A90301--UP
21 205-70-73270 PIN 1 SN: A90301--UP | Refs: 22U7011672
22 20Y-70-32460 BOLT 1 SN: A90301--UP
23 01580-12016 NUT 2 SN: A90301--UP