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(Straight Spring 10×400 mm)
The Grand Max EcoTerra - Standart Mini 3.0 Spring Harrow is a compact, versatile, and highly efficient mounted agricultural implement for shallow soil cultivation. It is designed for organic farming, small and medium-sized farms, and resource-saving agricultural technologies.
This 3-meter harrow with a 10×400 mm straight spring is intended for loosening the topsoil, breaking soil crusts, mechanical weed control without herbicides, and improving soil structure.
The harrow is manufactured by the Ukrainian company Grand Max Agro, a full-cycle agricultural machinery producer. Their production includes design, metal selection, welding, assembly, sandblasting, and painting, ensuring consistent quality, structural durability, and full adaptation to Ukrainian operating conditions.
The Grand Max EcoTerra - Standart Mini 3.0 is used for:
Loosening the topsoil to a depth of 0–4 cm
Breaking soil crusts and improving aeration
Preserving soil moisture
Mechanical weed control
Leveling field surfaces
Handling stubble and plant residues
Incorporating seeds and mineral fertilizers
Caring for crops in early growth stages
Suitable crops: wheat, corn, sunflower, soy, rapeseed, vegetables, fallow land, and stubble.
Farm benefits:
Reduced weed infestation without chemicals
Improved soil moisture and air exchange
Activation of microbiological processes
Uniform and healthy seedlings
Yield increase of 5–15%
Herbicide savings of 50–70%
The harrow is equipped with a 10×400 mm straight spring made of hardened steel grade 70. This spring provides firm and effective soil impact, maintains a stable working depth, and ensures high wear resistance. It makes the harrow suitable for both eco-farms and conventional farming technologies.
Technical features:
5 rows of paired spring teeth
40 working elements (depending on configuration)
2 sections of 20 springs each
Adjustable attack angle — 4 positions
Reinforced hinge joints with steel 45 bushings
Frame made of profile tubes 80×80×5; 80×60×5; 60×40×5 mm
Mechanical or hydraulic lift (optional)
Working speed — 10–12 km/h
Compact transport dimensions allow easy movement between fields and operation on small plots.
Working width — 3 m
Mount type — mounted
3-point hitch (class 1 / 2)
Tractor power — 24–50 hp (MTZ-320, YUMZ, T-25, and equivalents)
Low weight
Easy and quick adjustment
The harrow is simple to operate, requires only one driver, and does not require complex maintenance.
The EcoTerra - Standart Mini 3.0 can be used as:
A harrow for organic farming
A harrow for minimal tillage
A mechanical weeding tool
A crop care implement
A moisture-saving technology tool
It is ideal for eco-farms, small and medium farms, greenhouse complexes, and agricultural enterprises focused on reducing chemical load on soil.
Using this harrow allows farmers to:
Reduce herbicide expenses
Reduce crop protection and fuel costs
Increase crop yield
Improve soil structure and biological activity
In most farms, the harrow pays for itself within one season due to savings on chemicals and increased yield.
Manufactured in Ukraine
Quality control at every stage
Reinforced frame and hinges
Wear-resistant springs
Universal application
Eco-friendly
High efficiency
Fast return on investment
The Grand Max EcoTerra - Standart Mini 3.0 Spring Harrow (10×400 mm straight spring) is a reliable, compact, and economically efficient 3-meter harrow for MTZ-320 tractors and equivalents. It provides effective mechanical weed control, improves soil structure, preserves moisture, and ensures stable agronomic results from the first season.
For farms looking to buy a 3-meter spring harrow directly from the manufacturer in Ukraine, the Grand Max EcoTerra - Standart Mini 3.0 is the optimal choice for price, quality, and performance.
| Characteristics | ||
| adjusting the angle of attack | 4 positions | |
| articulated joints | reinforced with 45 steel bushings | |
| Damage to seedlings, % | minimal with the right settings | |
| Dimensions in transport position (width/height/length), mm | 3400/1900/600 | |
| Group | light harrows | |
| Harrow dimensions - working position, (width/height/length), mm | 3000/1900/600 | |
| harrow lift | hydraulic | |
| number of rows of working bodies | 5 | |
| Number of spring sections, pieces | 6 | |
| Number of springs in one section, pieces | 20 | |
| number of wheels | without wheels (available with two or four additional wheels) | |
| Number of working parts (paired spring teeth), pieces | 120 | |
| Pitch of longitudinal rows of teeth | 240 mm | |
| Processing depth | 0-4 cm | |
| Section length | 1400 mm | |
| spring harrow clearance, mm | 330/430 | |
| Spring thickness, mm | straight spring 10x400; 10x500 (optional) | |
| the frame is made of a profile pipe | 80х80х5; 80х60х5; 60х40х5 | |
| Tooth pitch | 32 mm | |
| Weight, kg | 340-360 kg | |
| What crops does it work on: | wheat, corn, sunflower, soybean, rapeseed, vegetables, steam/stubble | |
| wheel manufacturer | Europe | |
| wheel width | 215 mm, (Due to the wide wheels, there is less compaction of the soil where the equipment passes) | |
| Working speed during moisture-conserving soil cultivation, km/h | 10-12 | |
| Manufacturer | Grand Max Agro | |
| Tractor power | from 40 hp, attachment class 2; 2N | |
| Method of aggregation | 3-point hitch, according to the spring attack angle, wheel adjustment | |
| Working width | 3 meters | |
| Aggregation type | hinged | |
| Spring | with spring hard tooth 10x400 mm (made of hardened steel grade 70) | |
| Color | Your choice - blue, red, green | |
| Painting | Cleaning, grinding, sandblasting, priming, painting | |
| Compensation technology | 25% from the state of Ukraine | |
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