Catalog spare parts Komatsu for free - "|$34. CRANKSHAFT [A2120-A1A1] - Komatsu part WB146PS-5 S/N A43001-UP [wb146ps5]"
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| _ | _ | β | Number | Qty | Name | Options |
| | | 1 | 6731-32-1110 | 1 | CRANKSHAFT, ENGINE | |
| | | 2 | 6732-21-6150 | 1 | DOWEL, PIN | |
| | | 3 | 6732-31-1211 | 1 | GEAR, CRANKSHAFT | |
| | | | 6732-29-8110 | 1 | SET, MAIN BEARING - STANDARD | |
| | | 4 | 6735-21-8110 | 4 | BEARING, MAIN UPPER | |
| | | 5 | 6742-01-4060 | 1 | BEARING, THRUST | |
| | | 6 | 6735-21-8210 | 5 | BEARING, LOWER | |
| | | | 6732-28-8100 | 1 | SET, MAIN BEARING - 0.25 MM OVERSIZE | |
| | | 4 | 6735-29-8110 | 4 | BEARING, MAIN UPPER | |
| | | 5 | NSS | 1 | BEARING, THRUST | |
| | | 6 | NSS | 5 | BEARING, LOWER | |
| | | | 6732-27-8100 | 1 | SET, MAIN BEARING - 0.50 MM OVERSIZE | |
| | | 4 | 6735-28-8110 | 4 | BEARING, MAIN UPPER | |
| | | 5 | NSS | 1 | BEARING, THRUST | |
| | | 6 | NSS | 5 | BEARING, LOWER | |
| | | | 6732-26-8100 | 1 | SET, MAIN BEARING - 0.75 MM OVERSIZE | |
| | | 4 | 6735-27-8110 | 4 | BEARING, MAIN UPPER | |
| | | 5 | NSS | 1 | BEARING, THRUST | |
| | | 6 | NSS | 5 | BEARING, LOWER | |
| | | | 6732-25-8100 | 1 | SET, MAIN BEARING - 1.00 MM OVERSIZE | |
| | | 4 | 6735-26-8110 | 4 | BEARING, MAIN UPPER | |
| | | 5 | NSS | 1 | BEARING, THRUST | |
| | | 6 | NSS | 5 | BEARING, LOWER | |
| | | | 6735-28-8200 | 1 | BEARING, CRANKSHAFT THRUST | |
| | | 5 | NSS | 1 | BEARING, THRUST | |
| | | 6 | NSS | 1 | BEARING, LOWER | |
| | | | 6736-27-8620 | 1 | BEARING, CRANKSHAFT THRUST | |
| | | 5 | NSS | 1 | BEARING, THRUST | |
| | | 6 | NSS | 1 | BEARING, LOWER | |
| | | 7 | 6736-39-1221 | 1 | SLEEVE, WEAR - FRONT SEAL | |
| | | 8 | 6736-39-1140 | 1 | SLEEVE, WEAR - REAR SEAL | |
