Production years
2000s-present
Sunflower grain drill ยท 2000s-present
Sunflower 9421 Grain Drill
The Sunflower 9421 is a two-section folding pull-type grain drill in the 20-, 25-, and 30-foot class. It is respected for its narrow 13-foot-11-inch transport width, heavy frame, double-disc openers, and versatility from conventional tillage through no-till when properly equipped.
Working width
20, 25, or 30 ft
Row spacing
7.5 or 10 in.
Number of openers/rows
32/24, 40/30, or 48/36 by width and spacing
Sunflower 9421 specifications
| Production years | 2000s-present |
|---|---|
| Drill type | Two-section folding pull-type grain drill |
| Working width | 20, 25, or 30 ft |
| Row spacing | 7.5 or 10 in. |
| Number of openers/rows | 32/24, 40/30, or 48/36 by width and spacing |
| Opener type | 15-in. double-disc, parallel-link all-purpose opener |
| Seed and fertilizer boxes | Grain boxes at 3 bu per ft; fertilizer box is not listed as standard |
| Weight (approximate) | 10,200-17,479 lb, depending on width and spacing |
What the 9421 is used for
The 9421 was designed for larger-acreage drilling of wheat, soybeans, small grains, and cover crops while retaining practical road transport. Its all-purpose parallel-link openers are adjustable for conventional, minimum-till, and no-till use, provided the machine has suitable opener and residue-management equipment.
Owners appreciate the wide swath, forward-folding sections, high-capacity grain boxes, and field flexibility of the independently flexing wings. It suits operators who need a broad drill without the transport width of a rigid mounted unit.
Why the Sunflower 9421 stands out
The 9421 stands out for a 13-foot-11-inch transport width across 20-, 25-, and 30-foot models. Its eight inches of front-to-rear opener stagger, heavy frame, 3-bushel-per-foot boxes, and all-purpose double-disc opener system support good residue flow and consistent seed placement.
Buying a used Sunflower 9421
Inspect every opener disc, bearing, parallel-link pivot, down-pressure spring, and press wheel, because repair cost multiplies across 24 to 48 rows. Check wing-fold hinges and cylinders, hydraulic hoses, transport-wheel pivots, drive-wheel contact, chains, sprockets, meters, hopper lids, and box floors. Confirm the exact model width and spacing from the serial information.
Sunflower 9421 frequently asked questions
What widths were offered for the Sunflower 9421?
The 9421 was offered in 20-, 25-, and 30-foot working widths.
How many openers does a 9421 have?
At 7.5-inch spacing it has 32, 40, or 48 openers; at 10-inch spacing it has 24, 30, or 36, depending on width.
Can a 9421 be used for no-till?
Its all-purpose parallel-link openers are adjustable for no-till, but inspect the particular drill's opener, press-wheel, and residue-management equipment.
Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Values and prices of used grain drills vary by condition, use, and region. Page updated Aug 4, 2026.