OFAS | Notched Disc Blade | 20" x 5mm | Replaces Amazone 78201966 | D510X50DSFC052-01
OFAS D510X50DSFC052-01 | 20" x 5mm notched concave disc blade with a 4-bolt mounting pattern on 120 mm pitch circle diameter (PCD), built as a direct replacement for Amazone OEM 78201966 for compact disc harrow and high-speed tillage applications.
This Italian-made notched concave disc blade is manufactured from durable, heat-treated steel for long service life in demanding tillage conditions. The notched edge improves soil penetration, residue cutting, and soil mixing, while the 55 mm concavity helps move soil effectively for consistent field finish and shallow aggressive tillage performance.
The 20" (510 mm) diameter and 5 mm thickness make this blade a strong fit for selected Amazone compact disc harrows using the OEM 78201966 specification. It may also suit other implements using the same 4-bolt, 120 mm PCD hub configuration when all blade and mounting dimensions match the original.
Why notched concave blades?
The concave blade profile helps lift and move soil for improved mixing, while the notched edge cuts residue more aggressively for better incorporation and field finish in high-speed tillage conditions.
Compatibility & Application Notes
- Direct replacement for Amazone 78201966.
- Confirmed fitment references found for selected Amazone Catros+
and Ceus applications. - Also fits other applications only when matching 20" (510 mm) diameter,
5 mm thickness, 4-bolt mounting pattern, and 120 mm PCD. - Always verify diameter, thickness, concavity, bolt pattern,
pitch circle diameter, and mounting dimensions before ordering.
Product Specifications
| Specification | Value |
|---|---|
| Part Number | D510X50DSFC052-01 |
| OEM Reference | 78201966 |
| Brand | OFAS |
| Disc Type | Notched Concave Disc Blade |
| Diameter |
20" (510 mm) |
| Thickness |
5 mm (approx. 3/16") |
| Mounting Style | 4-Bolt Mount |
| Bolt Pattern | 120 mm PCD |
| Concavity | 55 mm |
| Center Hole | Bolt-on hub design |
| Country of Manufacture | Italy |
| Application | Compact disc harrows and high-speed tillage equipment |
Fits Machine Models
| Brand | Model |
|---|---|
| Amazone |
Catros+ rigid frame models Catros+ 03-2TS, Catros+-2TX Ceus 3000-TX, Ceus 4000-2TX Ceus 5000-2TX, Ceus 6000-2TX |
| Application Note |
Fitment is based on 510 mm diameter, 5 mm thickness, and Amazone high-speed disc application references. Always verify bolt pattern, PCD, concavity, and hub details before ordering. |
Cross Reference
| Brand / System | Part Number | Notes |
|---|---|---|
| Amazone (OEM) | 78201966 |
Primary OEM reference for this 20" x 5 mm notched concave disc blade |
| OFAS | D510X50DSFC052-01 |
D510X50DSFC052-01 is the listed OFAS part sold by AftermarketFARM.com, quality-verified for reliable fit, function, and field performance |
| Aftermarket Cross Reference |
808-31-0598 PA302036 31-0598 |
Additional aftermarket part numbers shown for cross-reference and identification purposes only. These are reseller or aftermarket reference numbers, Verify blade diameter, thickness, concavity and 4-bolt 120 mm PCD mounting pattern before ordering. |