Specifications:
The Stone Burier Tiller Series SM is designed for tractors with power ranging from 130 to 220 HP (96-162 KW). It is a heavy-duty model suitable for large acreages, particularly stony terrains. The tiller is available in four working widths: 250, 300, 350, and 400 cm. Key features include a 1000 rpm gearbox, automatic chain stretcher, slip clutch drive shaft, and a rotor with six helicoidal blades per flange. The tiller also includes a protection steel screen for stones and a universal 3-point hitch for categories 2 and 3.

Procedures:
The tiller is designed to reach significant working depths, with a special screening system that separates stones from the soil, placing them beneath the seedbed while leaving fine soil on top. This enhances soil preparation for planting.

Standards and Equipment:
The equipment complies with CE standards and includes a single-speed gearbox, automatic chain tensioner, and a rear levelling bar. Available rollers include mesh, packer, and cage types.

Models and Dimensions:
- SM 250: Power 130-220 HP, Working width 247 cm, Overall width 293 cm, Weight 2000 kg
- SM 300: Power 160-220 HP, Working width 299 cm, Overall width 345 cm, Weight 2270 kg
- SM 350: Power 180-220 HP, Working width 351 cm, Overall width 357 cm, Weight 2520 kg
- SM 400: Power 200-220 HP, Working width 403 cm, Overall width 449 cm, Weight 2800 kg

Key Features:
- Double chain transmission in oil bath
- Automatic chain tensioner
- Double flange rotor with six helicoidal tines
- Steel frame with double shell
- Available rollers: mesh, packer, and cage

Recommendations:
For optimal performance, ensure the tiller is used with compatible tractors within the specified power range. Regular maintenance of the gearbox and chain tensioner is recommended to ensure longevity and efficiency.