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    Marani GT022B Turbine Drive Hard Hose Irrigator

    Manufacturer: Marani

    Engineered for farmers who demand reliability without compromise, the Marani GT022B hard hose irrigator from Italy's Marani Irrigazione combines a 3-speed gearbox and turbine-driven operation with practical field-ready features — covering hose diameters from 63–82 mm and lengths from 180–300 m to suit diverse large-scale irrigation demands efficiently.

    • Hose Diameter Range: 63–82 mm (2.48–3.23 in)
    • Hose Length Range: 180–300 m (591–984 ft)
    • Drive System: Turbine flanged on gearbox with built-in by-pass
    • Raingun Nozzle Sets: HYDRA Ø12–16 mm & ROYAL Ø16–22 mm

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    Overview

    The Marani GT022B is a turbine drive hard hose irrigator engineered and manufactured in Italy by Marani Irrigazione, one of Europe's most respected names in agricultural irrigation technology. Designed for large-scale field irrigation, this reel machine combines robust construction with precision water distribution, making it a dependable solution for farms requiring consistent, high-capacity coverage across extensive cultivated areas. The GT022B is available with polyethylene hose diameters ranging from 63 mm to 82 mm (2.48 in to 3.23 in) and hose lengths from 180 m to 300 m (591 ft to 984 ft), accommodating a broad range of field geometries and crop water requirements.

    What sets the GT022B apart is its turbine-driven winding mechanism flanged directly onto a 3-speed gearbox with a built-in bypass, delivering precise and adjustable travel speed throughout the entire retrieval cycle. The machine's fully hot-galvanised chassis, turret, and reel provide exceptional resistance to corrosion and harsh field conditions, while the speed equaliser ensures uniform water application from start to finish. Whether paired with the HYDRA raingun for medium-range applications or the ROYAL raingun for extended throw distances, the GT022B reflects Marani Irrigazione's philosophy that a truly effective hose reel is one that delivers performance and reliability at a compelling operational cost.

     

    Key Features & Benefits

    • 3-Speed Gearbox with Turbine Integration: The turbine is flanged directly onto the gearbox with a built-in bypass, allowing operators to select from three travel speeds to precisely match application rate to crop and soil type, eliminating under- or over-irrigation.
    • Hot-Galvanised Chassis, Turret, and Reel: All primary structural components undergo hot-dip galvanisation, providing long-term protection against rust and corrosion even in demanding environments with hard water or chemically treated irrigation sources.
    • Speed Equaliser: Compensates for the natural change in hose winding radius as the drum fills, maintaining a consistent travel speed throughout the entire irrigation run and ensuring uniform water distribution across the full field length.
    • Mechanical Lifting Device and Telescopic Feet: The integrated mechanical lifting device simplifies coupling and decoupling from the tractor, while telescopic mechanical feet provide stable, level positioning on uneven or sloped terrain.
    • Polyethylene Hose from Unadulterated Raw Material: The hose is manufactured from virgin-grade polyethylene, ensuring maximum flexibility, pressure resistance, and longevity without degradation from recycled material impurities.
    • Galvanised Double Water Inlet: The dual water inlet design offers flexible connection options to suit different farm water supply configurations, reducing setup time and improving versatility across multiple field locations.
    • Galvanised Raingun Trolley on Variable Track Wheels: The raingun trolley is mounted on variable track wheels, allowing it to adapt to different row spacings and field surface conditions without compromising stability or raingun positioning.
    • Glycerine-Bath Pressure Gauge: The dampened pressure gauge provides stable, readable pressure readings in the field, allowing operators to monitor and adjust system pressure accurately even during tractor vibration or pump pulsation.
    • Comprehensive Nozzle Sets Included: The GT022B ships with a full set of HYDRA nozzles (Ø 12 to Ø 16) and ROYAL nozzles (Ø 16 to Ø 22) as standard, giving operators immediate flexibility to optimise throw radius and flow rate for different crops and conditions.
    • Power Take-Off Drive: The PTO-driven system connects directly to the tractor, eliminating the need for a separate engine, reducing mechanical complexity, and lowering long-term maintenance costs.

     

    Technical Specifications

    Specification Detail
    Manufacturer Marani Irrigazione
    Model GT022B
    Product Type Turbine Drive Hard Hose Irrigator
    Drive System Water turbine flanged on gearbox with built-in bypass, PTO-connected
    Gearbox 3-speed
    Hose Diameter Range 63–82 mm (2.48–3.23 in)
    Hose Length Range 180–300 m (591–984 ft)
    Raingun Options HYDRA (nozzles Ø 12–Ø 16 mm) / ROYAL (nozzles Ø 16–Ø 22 mm)
    Wheels 2 × 205/60 R15 5F
    Water Inlet Galvanised double water inlet
    Chassis Treatment Hot-dip galvanised chassis, turret, and reel
    Hose Material Polyethylene (unadulterated virgin raw material)
    Country of Manufacture Italy

     

    Available Hose Configurations

    Hose Diameter Hose Length Raingun Nozzle Range (mm) Performance Data
    63 mm (2.48 in) 250 m (820 ft) HYDRA Ø 14 / 16 / 18 63R1_1A250.pdf
    63 mm (2.48 in) 280 m (919 ft) HYDRA Ø 14 / 16 / 18 63R1_1A280.pdf
    63 mm (2.48 in) 300 m (984 ft) HYDRA Ø 14 / 16 / 18 63R1_1A300.pdf
    70 mm (2.76 in) 220 m (722 ft) ROYAL Ø 16 / 18 / 20 70R1_1A220.pdf
    70 mm (2.76 in) 270 m (886 ft) ROYAL Ø 16 / 18 / 20 70R1_1A270.pdf
    75 mm (2.95 in) 220 m (722 ft) ROYAL Ø 16 / 18 / 20 75R1_1A220.pdf
    75 mm (2.95 in) 250 m (820 ft) ROYAL Ø 16 / 18 / 20 75R1_1A250.pdf
    82 mm (3.23 in) 180 m (591 ft) ROYAL Ø 18 / 20 / 22 82R1_1A180.pdf

     

    Machine Dimensions

    GT022B Dimensions

    Diagram shows dimension reference points (A, B, C, etc.) on the machine.

    A B C D E F G H
    290 cm (114.2 in) 230 cm (90.6 in) 200 cm (78.7 in) 180 cm (70.9 in) 175 cm (68.9 in) 170 cm (66.9 in) 169 cm (66.5 in) 225 cm (88.6 in)

     

    Ideal Applications

    • Arable and Cereal Crops: The GT022B's long hose lengths and wide nozzle selection make it well suited for irrigating large, open fields of wheat, maize, and similar row crops where extended runs and uniform coverage are essential.
    • Vegetable and Market Garden Production: The adjustable travel speed and comprehensive nozzle set allow operators to fine-tune application rates for water-sensitive vegetable crops, reducing the risk of disease or soil compaction.
    • Pasture and Forage Irrigation: With high-flow ROYAL raingun configurations and large-diameter hose options, the machine delivers the volume needed to maintain productive pastures and forage fields during dry periods.
    • Industrial and Energy Crops: Crops such as sugar beet, sunflower, and biomass grasses benefit from the GT022B's ability to cover long field lengths in a single run, reducing the number of machine repositions required per irrigation cycle.
    • Orchards and Soft Fruit: The HYDRA raingun configurations with medium-range nozzles are suitable for use in orchard blocks and soft fruit plantations where targeted, lower-intensity application is preferred.
    • Multi-Field Farm Operations: The machine's tractor-mounted PTO drive, mechanical lifting device, and variable-track raingun trolley make it straightforward to transport and deploy across multiple fields within a single farm operation, maximising equipment utilisation.
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    Irrigation Unit Conversions

    Convert a given value and unit to different unit type. Conversions are available for flow rate, area, distance, time, volume, pressure, power, precipitation, salinity, and speed.

    Click here to see unit descriptions.


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    Reference: Washington State University

    Product Features
    Picture Feature Title Feature Benefit
    Turbine Drive System Turbine Drive System Water-powered turbine flanged directly onto the gearbox with a built-in by-pass valve, eliminating the need for external power. Runs entirely on water pressure so the irrigator can be deployed in remote paddocks far from any power source, reducing setup complexity and operating costs.
    3-Speed Gearbox 3-Speed Gearbox Integrated three-speed gearbox controls the hose retrieval speed of the reel drive system. Allows precise matching of travel speed to crop type, soil conditions and water pressure, giving operators greater control over application depth and uniformity.
    Speed Equalizer Speed Equalizer Mechanical speed equalizer automatically compensates for the increasing reel diameter as the hose winds back onto the drum. Maintains a consistent cart travel speed from the first metre to the last, ensuring even water application across the entire irrigated strip without operator intervention.
    Multiple Nozzle Sets Multiple Nozzle Sets Two complete nozzle sets are included — HYDRA raingun nozzles from Ø12 to Ø16 mm and ROYAL raingun nozzles from Ø16 to Ø22 mm. Covers a wide range of flow rates and throw diameters straight out of the box, so operators can quickly adapt to varying field sizes and water supply conditions without purchasing additional accessories.
    Galvanized Raingun Trolley Galvanized Raingun Trolley The raingun trolley is galvanized and mounted on variable-track wheels that adjust to different row spacings. Variable track adjustment protects crops and soil structure in row-planted fields, while galvanizing ensures the trolley withstands continuous exposure to water and abrasive ground conditions.
    Hot-Galvanized Chassis & Reel Hot-Galvanized Chassis & Reel Both the chassis, turret and hose reel are hot-dip galvanized for maximum corrosion protection. Hot-dip galvanizing penetrates every weld and crevice, delivering long-term structural integrity and a significantly extended service life compared to painted or cold-galvanized alternatives.
    Polyethylene Lay-Flat Hose Polyethylene Lay-Flat Hose High-quality polyethylene hose manufactured from unadulterated raw material with no recycled or blended compounds. Virgin-grade polyethylene delivers superior flexibility, pressure resistance and UV stability, reducing the risk of cracking or delamination and extending hose service life.
    Telescopic Stabilising Feet Telescopic Stabilising Feet Telescopic mechanical feet extend and lock the machine level on uneven or sloped terrain. Stable levelling on any ground surface prevents reel misalignment and uneven hose winding, protecting both the hose and gearbox from unnecessary stress during operation.
    Mechanical Trolley Lifter Mechanical Trolley Lifter A built-in mechanical lifting device raises and lowers the raingun trolley for transport and deployment. Speeds up field setup and pack-down without additional equipment or manual lifting, reducing operator fatigue and improving overall workflow efficiency.
    Dual Water Inlet Dual Water Inlet Galvanized double water inlet allows connection from either side of the machine. Flexible inlet positioning simplifies coupling to the water supply regardless of field layout or pump location, saving time when repositioning between irrigation runs.
    Power Take-Off Drive Power Take-Off Drive Integrated power take-off (PTO) connection provides an alternative mechanical drive option. Enables operation using tractor PTO where water pressure alone is insufficient, giving operators a reliable backup drive source and greater flexibility across different site conditions.
    Heavy-Duty Road Wheels Heavy-Duty Road Wheels Two 205/60 R15 5F tyres are fitted to the main chassis for road and field transport. Wide-profile automotive-grade tyres provide stable towing on public roads and reduce ground compaction when manoeuvring across soft or wet paddocks.