Engine
| Displacement | 10.57 L |
|---|---|
| Cylinders | 8 |
| Aspiration | turbocharged |
| Rated speed | 900 rpm |
Parts
45| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 102-75 | Cylinder head-to-liner nuts (lubricated)*, initial | 1 | Nut | Amazon eBay |
| 122-90 | Idler gear stubshaft bracket-to-crankcase, 3/8" | 1 | Bolt | Amazon eBay |
| 136-100 | Crankcase-to-oil pan, initial | 1 | Bolt | Amazon eBay FridayParts $116.50 |
| 1830-1350 | Coupling disc-to-crankshaft, 20-cyl., (lubricated)* | 1 | Bolt | Amazon eBay |
| 23-17 | Oil jumper-to-stubshaft | 1 | Bolt | Amazon eBay |
| 238-65 | Turbocharger mounting bolts, 3/4" | 1 | Bolt | Amazon eBay |
| 2440-1800 | Cylinder head crab nuts (studs and nuts lubricated)*, final | 1 | Nut | Amazon eBay |
| 2441-1800 | Coupling disc-to-crankshaft, 8, 12, & 16-cyl., (lubricated)* | 1 | Bolt | Amazon eBay |
| 251-185 | No. I idler gear thrust plate-to-crankcase | 1 | Bolt | Amazon eBay |
| 27-20 | Piston cooling oil pipe bolts | 1 | Bolt | Amazon eBay |
| 27-41 | Handhole cover bolts | 1 | Bolt | Amazon eBay FridayParts $302.78 |
| 281-60 | Piston cooling manifold flange-to-crankcase | 1 | Bolt | Amazon eBay |
| 325-240 | Cylinder head-to-liner nuts (lubricated)*, final | 1 | Nut | Amazon eBay |
| 359-265 | Drive gear-to-shaft | 1 | Impeller | Amazon eBay |
| 37-27 | Idler gear stubshaft bracket-to-crankcase, 5/16" | 1 | Bolt | Amazon eBay FridayParts $1075.98 |
| 400-295 | Coupling disc rim bolts | 1 | Bolt | Amazon eBay |
| 407-300 | Cylinder head crab nuts (studs and nuts lubricated)*, initial | 1 | Nut | Amazon eBay |
| 47-32 | Oil manifold-to-crankcase | 1 | Bolt | Amazon eBay |
| 47-35 | Governor drive flange-to-drive gear | 1 | Bolt | Amazon eBay |
| 610-450 | Connecting rod-to-piston pin (lubricated)* | 1 | Bolt | Amazon eBay |
| 617-455 | Engine mounting bolts | 1 | Bolt | Amazon eBay |
| 68-50 | Injector crab nuts (lubricated)* | 1 | Nut | Amazon eBay |
| 81-60 | Bolt-on crankshaft stubshaft (lubricated) *(where applicable) | 1 | Bolt | Amazon eBay |
| 88-65 | Accessory drive housing-to-crankcase and oil pan | 1 | Bolt | Amazon eBay |
| 33E1176 | Top Dcek Cover | Service part / kit | Amazon eBay | |
| 8034600 | Crab stud thread protectors | Service part / kit | Amazon eBay | |
| 8050688 | Crab nut tap 1-3/4"-12 | Service part / kit | Amazon eBay | |
| 8052752 | Towels (bound-edge wiping towels) | Service part / kit | Amazon eBay | |
| 8060349 | Main bearing bolt thread die 1-1/4"-12 | Service part / kit | Amazon eBay | |
| 8060387 | Main bearing nut tap 1-1/4"-12 | Service part / kit | Amazon eBay | |
| 8078281 | Hydraulic jack (10 ton) | Service part / kit | Amazon eBay | |
| 8140761 | Ratchet adapter | Service part / kit | Amazon eBay | |
| 8191591 | Main bearing nut offset ratchet wrench | Service part / kit | Amazon eBay | |
| 8193041 | Spray gun (for engine cleaning) | Service part / kit | Amazon eBay | |
| 8250855 | Crab nut power wrench set | Service part / kit | Amazon eBay | |
| 8275379 | Lower insert application and removal tool | Service part / kit | Amazon eBay | |
| 8275380 | Press and puller assembly | Service part / kit | Amazon eBay | |
| 8307731 | Thread Lubricant, Texaco Threadtex No. 2303 | Service part / kit | Amazon eBay | |
| 8335627 | Main bearing stud nut power wrench | Service part / kit | Amazon eBay | |
| 8377322 | Torque indicator | Service part / kit | Amazon eBay | |
| 8425725 | High temperature resistant grease No. 4 (10 lbs) | Service part / kit | Amazon eBay | |
| 8474773 | Main bearing stud nut socket | Service part / kit | Amazon eBay | |
| 8487487 | Main bearing cap application and removal tool | Service part / kit | Amazon eBay | |
| 9080987 | Anchor plate assembly | Service part / kit | Amazon eBay | |
| 9511395 | Crab stud thread die 1-3/4"-12-UNR | Service part / kit | Amazon eBay |
Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.
Aftermarket parts that fit this excavator
6015351-64600 FridayParts $17.50 15531-64601 FridayParts $23.61 15221-43081 Amazon eBay $37.58 KuduParts $13.00 FridayParts $15.69 R1401-51350 FridayParts $18.85 15425-63010 FridayParts $125.35 16851-52033 FridayParts $20.23 68658-14430 KuduParts $184.00 FridayParts $188.50 68651-14430 KuduParts $184.00 FridayParts $188.50 RD118-14433 KuduParts $184.00 FridayParts $188.50 RD148-14430 KuduParts $184.00 FridayParts $188.50 16454-51010 FridayParts $564.89 1500037101 KuduParts $29.00 FridayParts $30.59 P123160 KuduParts $14.00 FridayParts $17.50 AF1966 FridayParts $17.50 42769 FridayParts $17.50 3EB0-225550 FridayParts $17.50 KuduParts $19.00 15000-37111 FridayParts $17.50 RD101-99900 KuduParts $229.00 FridayParts $239.99 RAD130/1 FridayParts $199.99 68651-13330 KuduParts $190.00 FridayParts $199.99 RD108-61600 FridayParts $2099.89 RD108-61802 FridayParts $2099.89 RD101-61110 FridayParts $2499.99 RD101-61112 FridayParts $2499.99 19077-74110 FridayParts $85.60 90038-11120 FridayParts $41.23 36530-55630 FridayParts $72.56 16484-13110 FridayParts $25.34 15221-33650 FridayParts $91.99 PSVD2-21 FridayParts $519.99 17351-74250 FridayParts $47.28 3-Year FridayParts $11.99 PSVD2-21E FridayParts $1564.49 20630-32101 FridayParts $2865.50 15841-94040 FridayParts $17.99 46mm FridayParts $27.55 16641-21112 FridayParts $62.89 16641-21110 FridayParts $62.89 15221-91530 FridayParts $25.99 15221-13153 Amazon eBay FridayParts $14.85 KuduParts $42.00 3A011-74013 FridayParts $140.98 17311-22010 FridayParts $47.99 17311-22012 FridayParts $47.99 15221-23360 FridayParts $33.85 19077-03310 FridayParts $18.90 19077-65513 FridayParts $32.50 19077-65510 Amazon eBay FridayParts $18.99 15471-60010 FridayParts $35.97 SinoCMP $95.00 19077-53733 KuduParts $37.00 FridayParts $73.98 15521-04133 FridayParts $19.15 KuduParts $39.00 15521-04134 FridayParts $19.15 KuduParts $39.00 19077-52113 FridayParts $12.00 KuduParts $20.00 15707-33750 FridayParts $39.58 17331-21050 FridayParts $55.00 15521-73320 FridayParts $51.23 RD41162210 FridayParts $36.32 KuduParts $56.00 HY90394 KuduParts $56.00 60305 Amazon eBay KuduParts $56.00 SH60305 KuduParts $56.00 BD130-1 KuduParts $190.00
Parts listed by aftermarket suppliers as fitting this excavator — leads compiled from supplier catalogs; verify the exact part for your serial number.
Available documents
Reference
Common questions
What engine does the Kubota KX121-2 use?
The Kubota KX121-2 excavator is powered by the Electro-Motive Division Of General Motors 645E3 engine.
About
Kubota KX121-2 — excavator. Specifications and parts compiled from manufacturer documents.