Introduction
The document provides technical specifications and functionalities of the ROTADAIRON STH 42 stone burier designed for skid-steer loaders. It is used for soil preparation, including tasks such as weeding, raking, seeding, overseeding, dethatching, spiking, and mulching.

Machine Variants
There are two versions of the STH 42:

• STH 42: Comes with a Toro/Ditch Witch/Vermeer type hitch plate.
• STH 42 ADAPT: Supplied without a hitch plate, hoses, or couplers, allowing customization for different carriers.

Functionalities
The machine is multi-purpose, capable of tilling, burying stones and debris, leveling, mixing, and rolling the surface. It is suitable for both new constructions and renovations of green spaces.

Specifications

• Working Width: 1100 mm (43’’ 1/4)
• Total Width: 1440 mm (56’’ 3/4)
• Weight: 285 Kg (628.3 lb) for STH 42, 275 Kg (606.2 lb) for STH 42 ADAPT
• Hydraulic Flow: 40 to 55 l/min (10.5 to 14.5 us gpm)
• Pressure: 200 to 250 Bars (2900 to 3625 psi)
• Maximum Track Width: 1.30 meters (51’’ 1/4)
• Working Depth (max): 140 mm (5’’ 1/2)
• Rotor Outer Diameter: 400 mm (15’’ 3/4)
• Depth Adjustment: Rear roller height adjustable in 4 positions
• Number of Blades: 24
• Grid Finger Spacing: 22 mm (7/8’’)
• Forward Speed: 0.8 to 1.5 Km/h (0.5 to 0.9 mph)
• Transmission: Hydraulic motor + chain in oil bath

Options

• Fast coupling/uncoupling device
• Rear mesh roller side adjustment device by cylinder (requires auxiliary hydraulic line)
• Gravity Grass Seeder: SG 100
• Spiral roller

Quality and Service
ROTADAIRON maintains a large stock of spare parts and provides online tools for quick access to manufacturer information. It is recommended to use only original parts to maintain the quality and performance of the machine.

Contact Information
ROTADAIRON, Départementale 92 - Les Hunaudières, 72230 Mulsanne, France. Email: [email protected], Phone: (33) 2 43 422 422.