Square Silage Baler Machine for Sale | Hydraulic Hay Baler | Sunto
Home / Products / Square Silage Baler Machine
Factory Direct · Hydraulic · CE Ready

Square Silage Baler 9YF-70

Heavy-duty hydraulic square baler that compresses straw, hay, grass, corn stalks and biomass into dense, stackable square bales. Built for livestock farms, feed mills and biomass processors.

80-100 bales/h
Electric / Diesel
Wet & Dry Materials
Sunto 9YF-70 square silage baler machine hydraulic hay baler for straw and grass
20+ Years Experience
80-100
Bales / Hour
350×350
Bale Section (mm)
20HP
3-Phase Motor
1500
Machine Weight (kg)

Product Overview

The Sunto 9YF-70 square silage baler compresses loose straw, hay, grass and biomass into tight square bales through a powerful hydraulic system. Dense bales ferment better, store longer and reduce transport costs.

This content is blocked because it requires YouTube cookies.

Reliable Silage Baling for Every Harvest Season

The Sunto Square Silage Baler is engineered to compress fresh-cut forage — corn stalks, grass, straw, and other crops — into tightly packed square bales. This preserves nutritional value through anaerobic fermentation, ensuring high-quality silage feed for livestock year-round.

  • Heavy-duty steel construction for long service life in farm conditions.
  • Hydraulic compression system for dense, uniform bales every cycle.
  • Electric motor or diesel engine options to match your power supply.
  • Large feed hopper with reinforced frame for continuous, efficient loading.
Get Custom Quote

Technical Specifications

Sunto 9YF-70 square silage baler parameters verified from factory data sheet. Capacity and bale weight depend on material type and moisture content.

Parameter 9YF-70
Model9YF-70
Motor20 HP, 3-phase
Capacity80-100 bales/hour
Bale size350 × 350 × 700 mm
Bale weight50-70 kg/bale
Bale density300-500 kg/m³
Machine weight1500 kg with motor
Package size3900 × 2200 × 2000 mm
HS Code84334000
Warranty1 year

* Parameters are for reference only. Custom configurations, voltages and bale sizes available upon request.

Machine Structure

Clear layout of the Sunto 9YF-70 square silage baler: large hopper, hydraulic oil cylinder, radiator, control cabinet, motor, reinforced frame and discharge outlet.

Whole Machine Structure
Sunto 9YF-70 square silage baler structure diagram showing large thickened hopper, oil cylinder, radiator, control cabinet, motor, oil pipe, reinforced frame, material observation port and discharge outlet

Large Thickened Hopper · Oil Cylinder · Radiator · Control Cabinet · Motor · Oil Pipe · Reinforced Frame · Material Observation Port · Discharge Outlet

Finished Bale Effect

See the real processing results. Wet and dry dual use with less jamming and clogging — uniform square bales for straw, forage grass, wood shavings, wheat straw, garlic skin and coconut fiber.

Baling Results
Sunto square silage baler finished bales showing straw, forage grass, wood shavings, wheat straw, garlic skin and coconut fiber baling results

Straw Baling · Forage Grass Baling · Wood Shavings Baling · Wheat Straw Baling · Garlic Skin Baling · Coconut Fiber Baling

Applicable Crops

One hydraulic square baler handles a wide range of farm residues and forage materials, both dry and wet.

Sunto square silage baler applicable raw materials including straw, forage grass, garlic skin, peanut vine, wood shavings and rice husk
Straw · Forage Grass · Garlic Skin · Peanut Vine · Wood Shavings · Rice Husk

Core Advantages

Four engineered details that make the Sunto 9YF-70 square silage baler more durable, efficient and easier to operate.

Sunto 9YF-70 square silage baler four detail advantages: high pressure oil pipe, heat dissipation ventilation system, fully automatic operation and copper wire motor
Precision Quality · Detailed Display
1. High-pressure oil pipe — wear-resistant and pressure-resistant for stable operation. 2. Heat dissipation ventilation system — efficient cooling reduces failure rate. 3. Fully automatic operation — simple control saves labor cost. 4. Copper wire motor — strong power and durable performance.

Product Gallery

Full views of the Sunto 9YF-70 hydraulic square baler in factory finish and field-ready configuration.

Sunto 9YF-70 fully automatic hydraulic square baler with diesel engine in field
Fully Automatic Hydraulic Baler
Wide application for wheat straw, straw, forage grass, wood shavings and rice husk — compresses wet or dry materials.
Sunto 9YF-70 square silage baler with full spray paint finish, rust and corrosion resistant
Full Paint Finish · Rust & Corrosion Resistant
Reliable full spray paint treatment provides rust resistance, corrosion resistance and anti-oxidation for long outdoor service life.

Frequently Asked Questions

The Sunto 9YF-70 square silage baler compresses corn stalks, straw, hay, forage grass, alfalfa, peanut vine, garlic skin, wood shavings, rice husk and coconut fiber into dense square bales. It works with both dry and slightly moist materials.
Both options are available. Choose the electric motor version when you have stable 3-phase power for lower running costs and quieter operation. Choose the diesel engine version for off-grid farms or mobile operation between fields.
The 9YF-70 hydraulic square baler produces bales 350 x 350 x 700 mm with a typical bale weight of 50-70 kg per bale depending on material density and moisture content.
Daily maintenance includes cleaning feed residue from the hopper and chamber, checking hydraulic oil level and temperature, inspecting hoses and couplings for leaks, and lubricating moving parts. Change hydraulic oil and filters according to the operating manual, and keep the radiator clear for proper cooling.

Ready to Bale Silage More Efficiently?

Get a factory-direct quote for the Sunto 9YF-70 square silage baler machine. We ship worldwide from Qingdao, China.