Knuckle Assy.
| Machine | Model | Years / S/N |
|---|---|---|
| Backhoe | MKT PRPL - CURRENT | — |
| Tractor | 3230 | — |
| Tractor | 3220 | — |
| Tractor | 4240 | — |
| Tractor | 4230 | — |
| Tractor | 4210 | — |
| Tractor | 395 | — |
| Tractor | 495 | — |
| Tractor | 695 | — |
| Tractor | 595 | — |
Enhance your Case Construction equipment’s performance with the durable Knuckle Assembly #405840R12. Designed for reliability and precision, this essential part ensures smooth operation and longevity, making it a vital addition to your heavy machinery maintenance toolkit.
Frequently asked questions
What is the part number?
The manufacturer part number is 405840R12.
Is this a genuine OEM part?
Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.
Where does this ship from?
Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- 405840R12
- Internal SKU
- IC:405840R12
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 17.95 lb
Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.
Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.
30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.
All 29 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Backhoe | MKT PRPL - CURRENT | — |
| Tractor | 3230 | — |
| Tractor | 3220 | — |
| Tractor | 4240 | — |
| Tractor | 4230 | — |
| Tractor | 4210 | — |
| Tractor | 395 | — |
| Tractor | 495 | — |
| Tractor | 695 | — |
| Tractor | 595 | — |
| Tractor | 995 | — |
| Tractor | 895 | — |
| Tractor | 380B | — |
| Tractor | 885 | — |
| Tractor | 248 | — |
| Tractor | 385 | — |
| Tractor | 485 | — |
| Tractor | 585 | — |
| Tractor | 685 | — |
| Tractor | 258 | — |
| Tractor | 785 | — |
| Tractor | 584 | — |
| Tractor | 484 | — |
| Tractor | 2500 | — |
| Tractor | 574 | — |
| Tractor | 674 | — |
| Tractor | 474 | — |
| Tractor | 2400 | — |
| Tractor | 454 | — |