Komatsu PC200-7 1.8M Arm Bucket Linkage - 100 HOURS LUBRICATING - Serial 200001-UP (Overseas Version)

Komatsu PC200-7 1.8M Arm Bucket Linkage - 100 HOURS LUBRICATING - Serial 200001-UP (Overseas Version) helps customers identify the correct replacement parts used in the bucket linkage area for PC200-7 machines within serial range 200001-UP (Overseas Version).

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: PC200-7
Serial range: 200001-UP (Overseas Version)
Section: 1.8M Arm Bucket Linkage - 100 HOURS LUBRICATING

Komatsu PC200-7 1.8M Arm Bucket Linkage - 100 HOURS LUBRICATING - Serial 200001-UP (Overseas Version) 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
1 This part cannot be supplied as an individual part. It is supplied as an assembly. LINK 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 254120-254768
2 20Y-70-32361 BUSHING 4 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768
3 20Y-70-32351 BUSHING 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768
4 07020-00000 FITTING 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 250492-254768
4 20Y-70-01110 LINK ASS'Y 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 254120-254768
5 07020-00000 FITTING 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 250492-254768
6 20Y-70-23220 SEAL 4 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768
7 20Y-70-23230 SEAL 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768
8 205-70-73130 LINK 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768 | Refs: 2057073130NK
9 22U-70-21191 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 202444-254768 | Refs: 2057073160
10 20Y-70-32450 BOLT 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 250492-254768
11 01580-12016 NUT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768
12 20Y-70-31450 SPACER, 1.0MM 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 250001-256676 | Refs: 20Y7031451
13 20Y-70-31460 SPACER, 2.0MM 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 250001-256676 | Refs: 20Y7031461
14 22U-70-21191 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 202444-254768 | Refs: 2057073160
15 20Y-70-32450 BOLT 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 250492-254768
16 01580-12016 NUT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768
17 20Y-70-31440 SPACER, 1.0MM 4 SN: 200001-UP (OVERSEAS VERSION) | SN: 250001-256676 | Refs: 20Y7031441
18 20Y-70-31480 SPACER, 2.0MM 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 250001-256676 | Refs: 20Y7031481
19 205-70-73270 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768 | Refs: 22U7011672
20 20Y-70-32450 BOLT 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 250492-254768
21 01580-12016 NUT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768
22 205-70-73270 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768 | Refs: 22U7011672
23 20Y-70-32460 BOLT 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 250492-254768
24 01580-12016 NUT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-254768