Pin
Case Construction ·25 Fitments
| Machine | Model | Years |
|---|---|---|
| BACKHOE | 35C WL | 1988 – 1994 |
| CASE CRAWLER TRACTOR | 650 | 1990 – 1991 |
| CASE CRAWLER TRACTOR | 650G | 1994 – 1999 |
| CASE CRAWLER TRACTOR | 650H | 2000 – 2002 |
| SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 | 650K | 2002 – 2005 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 650K | 2005 – 2009 |
| SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 | 650K | 2005 – 2009 |
| CASE CRAWLER TRACTOR | 750H | 2000 – 2002 |
| SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 | 750K | 2002 – 2005 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 750K | 2005 – 2007 |
Enhance your heavy equipment performance with the Case Construction Pin #R51131. Designed for durability and precision, this essential component ensures optimal functionality and reliability in your machinery, making it a must-have for any construction professional.
Compatible equipment
This part fits BACKHOE, CASE CRAWLER TRACTOR, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CRAWLER DOZER TIER 3, CRAWLER DOZER, CASE LONG TRACK CRAWLER TRACTOR including models 35C WL, 650, 650G, 650H, 650K, 750H, 750K, 750L, 750M LT, 750M WT/LGP, 850D, 850E, 850G, 850H, 850K, 850L, 850M LT, 850M WT/LGP, 855D, 855E.
Frequently asked questions
What is the part number?
The manufacturer part number is R51131.
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.
Will this fit my machine?
See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.
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.
- Manufacturer part number
- R51131
- Internal SKU
- IC:R51131
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 2.45 lb
Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.
30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.
All 25 fitments
| Machine | Model | Years |
|---|---|---|
| BACKHOE | 35C WL | 1988 – 1994 |
| CASE CRAWLER TRACTOR | 650 | 1990 – 1991 |
| CASE CRAWLER TRACTOR | 650G | 1994 – 1999 |
| CASE CRAWLER TRACTOR | 650H | 2000 – 2002 |
| SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 | 650K | 2002 – 2005 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 650K | 2005 – 2009 |
| SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 | 650K | 2005 – 2009 |
| CASE CRAWLER TRACTOR | 750H | 2000 – 2002 |
| SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 | 750K | 2002 – 2005 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 750K | 2005 – 2007 |
| CRAWLER DOZER TIER 3 | 750L | 2008 – 2012 |
| CRAWLER DOZER | 750M LT | 2013 – 2016 |
| CRAWLER DOZER | 750M WT/LGP | 2012 – 2016 |
| CASE LONG TRACK CRAWLER TRACTOR | 850D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 850E | 1992 – 1994 |
| CASE CRAWLER TRACTOR | 850G | 1994 – 1999 |
| CASE CRAWLER TRACTOR | 850H | 2000 – 2002 |
| SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 | 850K | 2002 – 2005 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 850K | 2005 – 2008 |
| SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 | 850K | 2005 – 2008 |
| CRAWLER DOZER TIER 3 | 850L | 2008 – 2013 |
| CRAWLER DOZER | 850M LT | 2013 – 2016 |
| CRAWLER DOZER | 850M WT/LGP | 2013 – 2016 |
| CASE LONG TRACK CRAWLER TRACTOR | 855D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 855E | 1992 – 1994 |