Bauer Tambur Rainsta Irrigation Equipment is a hose-reel irrigation system manufactured by Bauer of Austria. This class of equipment is used for large-scale field irrigation, delivering water across agricultural land through a mobile, motor-driven reel that extends and retracts pressurised hose to irrigate defined areas with consistent coverage.
The machine is built around a Bauer E31 model frame (110–470 designation) featuring a 110 mm diameter hose with 470 metres of length. The chassis rests on two wheels measuring 11.5 / 80–15.3 inches, with a diameter of 868 mm and width of 305 mm; the wheelbase is adjustable between 1800 and 2250 mm to suit varying terrain and field widths. The reel drum itself measures 2560 mm in width, and the total height of the assembly is 3530 mm. The drum weighs 4334 kg when empty and 7154 kg when fully charged with water.
Hydraulic drive is supplied from a tractor and operates the soil anchors simultaneously with raising or lowering of the carriage. Power transmission to the reel is managed through a Bauer patented full-flow turbine (model TVR 60), in which the entire water flow continuously passes through the turbine, coupled to a four-speed gearbox that drives drum rotation via belt drive. Manual control of drum rotation is also available. The drum is mounted on a bearing assembly and all steel structural elements—frame, drum, and pylon—are hot-galvanised against corrosion.
The system includes an ECOSTAR 6000 digital control panel with automatic retraction control and work-parameter memory, powered by a 12V battery and integrated solar panel. Lateral water supply is dual-fed through galvanised pipes with original Bauer couplings. An automatic water shut-off valve closes at the end of irrigation, operated by pressure switch. The feed hose is type HK108 with original Bauer quick-coupler connection and measures 7 metres in length.
The Komet SR140 ULTRA sprinkler unit rides on a two-wheeled carriage with adjustable wheelbase (1.5 to 3 metres, symmetrical) and is equipped with an automatic angle-tracking and self-levelling device that adjusts sprinkler inclination according to ground slope. Nozzle sizes from 12 mm to 28 mm are compatible. The sprinkler carriage height is 1.6 metres. The machine is supplied as used equipment, without warranty, and is located in Alexandria, Romania.
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