Aftermarket course sickle section 2.125" (2-1/8") hole spacing, 9 Serrations per inch knife to suit most common Macdon and CNH cutting platforms.This high wear double heat treated course knife section has 2-1/8" hole spacings with a course top seration, allowing for better cut and longer life. 
Part numbers 
- Macdon 102053, 118492, 118493, 158516, 174845,170390,174846
 
- Case 217-121, 231-411, 279641, 345890A1, 47678533, 84331101, 87422066
 
| Series | 
Models | 
Serial/Year | 
| Macdon 900 Series | 
960, 962, 963, 972, 973, 974 | 
 | 
| Macdon D Series | 
D50, D60, D65 | 
 | 
| Macdon FD Series | 
FD70, FD75 | 
 | 
| Macdon D1 Series | 
D130, D135, D140, D145 | 
 | 
| Macdon FD1 Series | 
FD130, FD135, FD140, FD145 | 
 | 
| Case 10 Series | 
1040, 1042, 1052 | 
 | 
| Case 20 Series | 
2041, 2052, 2062 | 
 | 
| Case 21 Series | 
2142, 2152, 2162 | 
 | 
| New Holland | 
82C, 83C, 84C, 86C | 
 | 
Features
- Made in USA
 
- Double Heat treated
 
- 2.125" hole spacing
 
- 3.00 x 3.250"
 
- 9 Serrations per inch
 
  
				  A-231-411 SICKLE SECTION 231411 A231411 345890A1 47678533 102053 158516 84331101 118492 118493 174845 279641 87422066