Accurate & Dependable Distribution
Farm-Maxx SP Spin Spreaders
Built to Last
The Farm-Maxx SP Spin Spreader Series combines simplicity, accuracy, and long-lasting durability. Each model features a durable steel hopper, corrosion-resistant finish, and twin-disc spreading system for uniform coverage of fertilizer, seed, or lime. Ideal for small to mid-size tractors, these spreaders deliver professional results season after season.
Key Features of the Farm-Maxx SP Spin Spreaders
All-Metal Hopper Construction
Heavy-gauge welded steel hopper with durable powder-coat finish for long-lasting performance and corrosion resistance.
Stainless-Steel Spreading Disc
Stainless steel discs deliver uniform, balanced coverage with long-lasting resistance to rust and wear.
Adjustable Flow Control
Easily fine-tune gate opening and vane positions for accurate application rates and spreading widths.
Rigid Wheel Agitator System
The durable steel agitator ensures steady material flow through the hopper, preventing clogs and bridging when using fertilizer, seed, or pelletized lime.
SP Spreader Applications
Row Crops and Pasture Management
Turf and Landscape Maintenance
Fertilizer and Seed Distribution
Pelletized Lime Application
Driveway and Grounds Treatment
Golf Course Maintenance
Orchard and Vineyard Care
Municipal Grounds Keeping
Sports Field Maintenance
Large Garden Areas
Erosion Control Projects
Wildlife Food Plot Establishment
Soil Conditioning and Improvement
Dust Control on Unpaved Roads
Winter Salt and Sand Spreading
Compost and Organic Material Spreading
Parks and Recreational Area Upkeep
General Farm Use
Specifications for the Farm-Maxx SP Spin Spreaders
Model Name
SP-180
SP-300
SP-500
Carrying Capacity (lbs)
481
785
1027
Spreading Width Max (ft)
21-60
21-60
21-60
Hopper Material
Spun Steel
Spun Steel
Spun Steel
Hitch
Cat. I
Cat. I
Cat. I
Rigid Agitator
Standard
Standard
Standard
Salt/Sand Deflector
Optional
Optional
Optional
Fertilizer Conveyor 1 or 2 Row
Optional
Optional
Optional
Approx. Weight (lbs)
120
130
140
Explore Our Equipment
Farm-Maxx SP Series Gallery
SP Spin Spreaders FAQs
What materials can the SP Spin Spreaders distribute?
The SP Spin Spreaders are versatile and can handle fertilizer, seed, and other compatible granular materials. For pelletized lime, it’s essential to confirm the flow characteristics and adjust the gates and vanes accordingly for optimal performance.
What tractor size is best suited for the SP Spin Spreaders?
Our spreaders are designed for compact to utility tractors. It’s crucial to select a model that matches the tractor’s lift rating and ballast to ensure safe and efficient operation.
How can I adjust the spread pattern width?
The spread pattern width is adjustable through the vane settings and material type. Refer to the model specifications and operator manual for detailed guidance on achieving the desired spread width.
Is calibration necessary for the SP Spin Spreaders?
Yes, calibration is essential to ensure accurate material distribution. Set the gate opening and vane position according to the target rate and material density for optimal results.
Where can customers obtain service and parts for their spreaders?
Customers should contact the authorized dealer from whom they purchased the spreader for service, parts, and warranty support. UniFarm provides manuals and parts books upon request to assist with maintenance and repairs.
Find the Perfect SP Spreader for Your Needs
Let us help you choose the right SP Spreader for your territory. Whether you need specific capacities, material handling capabilities, or compatibility with various tractor classes, our team is ready to recommend the best SKUs for your inventory. Reach out today to receive tailored product information that meets your unique requirements.







