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(Straight Spring 10×400 mm)
The Grand Max EcoTerra - Standart 9.0 Spring Harrow is a modern, mounted agricultural implement designed for shallow soil cultivation. It is specially engineered for resource-saving and eco-friendly farming. The EcoTerra harrow is intended for loosening the topsoil, breaking soil crusts, leveling the field surface, mechanically controlling weeds, and improving soil structure.
This 9-meter spring harrow is highly effective in organic farming and minimum-tillage systems. It is compatible with MTZ tractors and equivalents and is an optimal solution for farms seeking to reduce herbicide use and increase crop yields.
The harrow is manufactured by the Ukrainian company Grand Max Agro, a full-cycle agricultural machinery manufacturer. They handle everything from design and metal selection to assembly and painting, ensuring consistent quality, structural reliability, and full adaptation to operating conditions in Ukraine.
The Grand Max EcoTerra - Standart 9.0 Spring Harrow is used for:
Loosening soil to a depth of 0–4 cm
Breaking soil crusts and improving aeration
Preserving soil moisture
Mechanical elimination of annual and perennial weeds
Leveling the field after plowing
Handling stubble and crop residues
Incorporating seeds and fertilizers
Applicable crops: wheat, corn, sunflower, soy, rapeseed, vegetables, fallow, and stubble.
Farm benefits:
Improved soil moisture and aeration
Activation of microbiological processes
Reduced weed pressure
Increased crop yields
Herbicide savings
Uniform and healthy seedlings
The harrow is equipped with a 10×400 mm straight spring (optional 10×500 mm) made of hardened steel grade 70. This spring ensures stable working depth, intensive soil loosening, and high wear resistance.
Technical features:
5 rows of paired spring teeth
120 working elements
6 sections of 20 springs each
Adjustable attack angle — 4 positions
Reinforced hinge joints with steel 45 bushings
Frame made from profile tubes 80×80×5; 80×60×5; 60×40×5 mm
Hydraulic lift
2 hydraulic cylinders
Operating speed — 10–12 km/h
Wide European-made wheels (diameter 420 mm, tire 18×8.5, width 215 mm) reduce soil compaction in the working zone.
Working width — 9 m
Mount type — mounted
3-point hitch (class 2 / 2N)
Tractor power — from 80 hp (MTZ and equivalents)
Weight — 800-820 kg
Hydraulic lift
The harrow is easy to adjust, can be operated by a single driver, and does not require complex maintenance.
Manufactured in Ukraine
Quality control at all production stages
Reinforced frame and hinge joints
Wear-resistant springs
Adapted for Ukrainian soils
High productivity
Reduced chemical use
Fast return on investment
The Grand Max EcoTerra - Standart 9.0 Spring Harrow is a reliable, high-performing, and cost-effective 9-meter implement for MTZ tractors and equivalents. It improves soil structure, reduces herbicide costs, increases yield, and delivers stable agronomic results from the first season.
For farms looking to buy a 9-meter spring harrow directly from the manufacturer in Ukraine, the Grand Max EcoTerra - Standart 9.0 is the optimal choice for price, quality, and performance.
| Characteristics | ||
| adjusting the angle of attack | 4 positions | |
| articulated joints | reinforced with 45 steel bushings | |
| Country of origin | Ukraine | |
| Damage to seedlings, % | minimal with the right settings | |
| Dimensions in transport position (width/height/length), mm | 3400/1900/3200-3400 | |
| Group | light harrows | |
| Harrow dimensions - working position, (width/height/length), mm | 9000/1900/600 | |
| harrow lift | hydraulic | |
| hydraulic cylinders | two | |
| 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 | |
| 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 | 800-820 kg | |
| What crops does it work on: | wheat, corn, sunflower, soybean, rapeseed, vegetables, steam/stubble | |
| wheel manufacturer | Europe | |
| wheel parameters | diameter 420 tire 18x8.5 | |
| 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 80 hp, attachment class 2; 2N | |
| Method of aggregation | 3-point hitch, according to the spring attack angle, wheel adjustment | |
| Working width | 9 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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