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

Komatsu PC200-7 1.8M Arm Bucket Linkage - 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

Komatsu PC200-7 1.8M Arm Bucket Linkage - 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 20Y-70-33111 LINK 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-205802 | Refs: 22U7023112
2 20Y-70-32351 BUSHING 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@
3 20Y-70-32361 BUSHING 4 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@
4 07020-00675 FITTING 3 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-205802
5 20Y-70-23220 SEAL 4 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@
6 20Y-70-23230 SEAL 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@
7 205-70-73130 LINK 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@ | Refs: 2057073130NK
8 22U-70-21191 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 202444-@ | Refs: 2057073160
8 The part specified in the line above can be used instead of this part205-70-73160 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-202443 | Refs: 22U7021191
9 205-70-73190 BOLT 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-205802
10 01580-12016 NUT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@
11 20Y-70-31450 SPACER, 1.0MM 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@ | Refs: 20Y7031451
12 20Y-70-31460 SPACER, 2.0MM 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@ | Refs: 20Y7031461
13 22U-70-21191 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 202444-@ | Refs: 2057073160
13 The part specified in the line above can be used instead of this part22U-70-21190 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-202443 | Refs: 2057073160, 22U7021191
14 205-70-73190 BOLT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-205802
15 01580-12016 NUT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@
16 20Y-70-31440 SPACER, 1.0MM 4 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@ | Refs: 20Y7031441
17 20Y-70-31480 SPACER, 2.0MM 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@ | Refs: 20Y7031481
18 205-70-73270 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@ | Refs: 22U7011672
19 205-70-73190 BOLT 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-205802
20 01580-12016 NUT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@
21 205-70-73270 PIN 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@ | Refs: 22U7011672
22 362-46-11210 BOLT 1 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-205802
23 01580-12016 NUT 2 SN: 200001-UP (OVERSEAS VERSION) | SN: 200001-@