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    Ocmis VR8/1A Turbine Drive Hard Hose Irrigator

    Manufacturer: Ocmis

    The gearbox with synchronized speeds is the nerve centre of the new generation machines that mount the Vario Rain system — the Ocmis VR8/1A hard hose reel travelling irrigator delivers unmatched versatility and water efficiency for large-scale agricultural operations. Engineered by Italy-based Ocmis Irrigazione, this best-selling machine combines user-friendly operation with minimal pressure loss technology.

    • Hose Diameter Range: 110–140 mm (4.33–5.51 in)
    • Hose Length Range: 500–850 m (1,640–2,789 ft)
    • Gearbox: 4 speed VR gearbox with synchronized speeds
    • Chassis: 4 wheel chassis with offset galvanized trolley on 5 large solid wheels

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    Overview

    The Ocmis VR8/1A is a professional hard hose reel travelling irrigator manufactured by Ocmis Irrigazione, a leading Italian irrigation equipment specialist. This advanced machine features the innovative Vario Rain system with a 4-speed VR gearbox that synchronizes travel speeds with water application rates, enabling precise irrigation management across diverse agricultural operations. Designed for medium to large-scale farming operations, the VR8/1A combines robust construction with sophisticated hydraulic controls to deliver efficient water distribution across extensive field areas.

    What distinguishes the VR8/1A from conventional travelling irrigators is its comprehensive hydraulic system and versatile configuration options. The machine features telescopic hydraulic feet for stable positioning, hydraulic drawbar and trolley lifting mechanisms, and a turbine-driven power take-off system flanged directly to the gearbox with integrated double by-pass. With hose capacity ranging from 110 mm to 140 mm (4.33 to 5.51 inches) in diameters and lengths up to 850 metres (2,789 feet), the VR8/1A accommodates both REFLEX and EXPLORER rainguns to match specific field requirements. The hot galvanized chassis, epoxy-coated reel, and polyethylene hose constructed from unadulterated raw materials ensure long-term durability in demanding agricultural environments.

     

    Key Features & Benefits

    • 4-Speed VR Gearbox with Synchronized Speeds: The Vario Rain system's nerve centre enables precise matching of travel speed to irrigation requirements, optimizing water distribution uniformity while minimizing runoff and water waste across varying field conditions.
    • Comprehensive Hydraulic Control System: Telescopic hydraulic feet, hydraulic drawbar lifting, trolley lifting device, and turntable rotation provide complete operational control from the tractor, reducing manual labour and enabling rapid setup adjustments during field operations.
    • Turbine-Driven Power System with Double By-Pass: The turbine flanged directly to the gearbox with integrated double by-pass ensures consistent retrieval speeds regardless of pressure fluctuations, while protecting the system from pressure spikes during operation.
    • Offset Galvanized Trolley with 5 Large Solid Wheels: The robust trolley design mounted on oversized solid wheels provides exceptional stability and smooth travel across uneven terrain, preventing hose dragging damage and ensuring consistent raingun positioning throughout the irrigation cycle.
    • Hot Galvanized Chassis and Turret: Superior corrosion protection through hot galvanization combined with epoxy resin coating and polyurethane paint on the reel extends equipment lifespan significantly, reducing maintenance costs in humid and chemically treated environments.
    • Aqua System Computer Control: Digital monitoring and control of irrigation parameters enable data-driven decision making, allowing operators to track water application rates, adjust speeds, and optimize irrigation schedules for maximum crop yield and resource efficiency.
    • Dual Raingun Options with Comprehensive Nozzle Sets: REFLEX rainguns with nozzles from 24 mm to 32 mm and EXPLORER rainguns with nozzles from 28 mm to 40 mm provide flexibility to match application rates and throw distances to specific crop requirements and field dimensions.
    • Quick-Coupling Hydraulic Connection to Tractor: Rapid coupling system enables fast hookup and disconnection from the tractor hydraulic system, minimizing setup time and allowing efficient movement between multiple irrigation sites during busy growing seasons.
    • Double Chain Hose Retraction System: The reinforced double chain drive mechanism ensures reliable hose retrieval even under challenging conditions, preventing equipment damage and ensuring consistent winding tension that extends hose service life.
    • Glycerine Bath Pressure Gauge: Precision pressure monitoring with vibration-damped gauge provides accurate real-time readings essential for optimizing nozzle performance, detecting system blockages, and preventing over-pressurization damage to components.

     

    Technical Specifications

    Specification Details
    Manufacturer Ocmis Irrigazione
    Model VR8/1A
    Product Type Hard Hose Reel Travelling Irrigator
    Drive System Turbine-driven with power take-off
    Gearbox 4-speed VR gearbox with synchronized speeds (Vario Rain system)
    Hose Diameter Range 110-140 mm (4.33-5.51 in)
    Hose Length Range 500-850 m (1,640-2,789 ft)
    Raingun Options REFLEX (nozzles Ø 24-32 mm), EXPLORER (nozzles Ø 28-40 mm)
    Chassis Configuration 4-wheel chassis with hydraulic lifting device
    Wheels 4 wheels mod. 11.5/80-15.3 12PR 6F
    Trolley Offset galvanized trolley on 5 large solid wheels
    Water Inlet Galvanized double inlet: Bauer Ø 108 mm (hose 110-125 mm), Bauer Ø 133 mm (hose 135-140 mm)
    Chassis Treatment Hot galvanized chassis and turret
    Reel Coating Epoxy resin coat with polyurethane paint finish
    Hose Material Polyethylene from unadulterated raw material
    Control System Aqua System computer
    Country of Manufacture Italy

     

    Available Hose Configurations

    Hose Diameter Hose Length Raingun Nozzle Range (mm) Performance Data
    110 mm (4.33 in) 750 m (2,461 ft) REFLEX 24/26/28 110VR8_1A750.pdf
    110 mm (4.33 in) 810 m (2,657 ft) REFLEX 24/26/28 110VR8_1A810.pdf
    110 mm (4.33 in) 850 m (2,789 ft) REFLEX 24/26/28 110VR8_1A850.pdf
    120 mm (4.72 in) 650 m (2,133 ft) EXPLORER 26/28/30 120VR8_1A650.pdf
    120 mm (4.72 in) 670 m (2,198 ft) EXPLORER 26/28/30 120VR8_1A670.pdf
    125 mm (4.92 in) 650 m (2,133 ft) EXPLORER 28/30/32 125VR8_1A650.pdf
    135 mm (5.31 in) 520 m (1,706 ft) EXPLORER 32/34/36 135VR8_1A520.pdf
    135 mm (5.31 in) 600 m (1,969 ft) EXPLORER 32/34/36 135VR8_1A600.pdf
    140 mm (5.51 in) 500 m (1,640 ft) EXPLORER 34/36/38 140VR8_1A500.pdf

     

    Machine Dimensions

    VR8/1A Dimensions

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

    Dimension Metric Imperial
    A 66 cm 26.0 in
    B 455 cm 179.1 in
    C 412 cm 162.2 in
    D 389 cm 153.1 in
    E 413 cm 162.6 in
    F 425 cm 167.3 in
    G 334 cm 131.5 in
    H 445 cm 175.2 in
    I 220-250 cm 86.6-98.4 in
    L 249 cm 98.0 in
    M 360 cm 141.7 in
    N 250-280 cm 98.4-110.2 in

     

    Ideal Applications

    • Large-Scale Field Crop Production: Ideally suited for irrigating extensive cereal, maize, soybean, and cotton fields where consistent water distribution across long distances is essential for uniform crop development and yield optimization.
    • Forage and Pasture Management: Excellent for maintaining productive grasslands and forage crops, with adjustable application rates and speeds allowing customization for different grass species and grazing rotation schedules.
    • Vegetable Production Operations: Effective for medium to large vegetable growing operations requiring flexible irrigation scheduling, with nozzle options enabling fine-tuning of application rates to match specific crop water requirements during different growth stages.
    • Orchard and Vineyard Under-Canopy Irrigation: When configured with appropriate nozzles and pressure settings, suitable for supplemental irrigation in tree crops and vineyards where controlled water application beneath canopy cover is required.
    • Commercial Turf and Sod Production: Well-adapted for turf farms and sod production facilities where consistent moisture management is critical for product quality, with the Aqua System computer enabling precise application tracking.
    • Contract Irrigation Services: The versatile configuration options, robust construction, and rapid setup capabilities make the VR8/1A an excellent choice for contractors providing irrigation services across multiple properties with varying field dimensions and crop requirements.
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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-Powered Gearbox System Turbine-Powered Gearbox System Water-driven turbine flanged directly onto a 4-speed VR gearbox with integrated double by-pass valve. Eliminates the need for external power sources while providing precise speed control for optimal water application across varying field conditions.
    5-Wheel Offset Trolley 5-Wheel Offset Trolley Galvanized trolley mounted on five large solid wheels with hydraulic lift system. Superior weight distribution and hydraulic positioning reduce soil compaction and enable operation across uneven or soft terrain without getting stuck.
    Aqua System Computer Aqua System Computer Integrated digital control computer for automated irrigation management and monitoring. Precisely controls water application rates and automates reel retrieval, reducing labor costs and preventing over or under-watering.
    Dual Raingun Nozzle Sets Dual Raingun Nozzle Sets Complete nozzle sets for both REFLEX raingun (Ø24-32mm) and EXPLORER raingun (Ø28-40mm) included as standard. Provides flexibility to optimize irrigation pattern and flow rate for different crops, field sizes, and water pressure conditions without additional purchases.
    Telescopic Hydraulic Stabilizers Telescopic Hydraulic Stabilizers Hydraulically-operated telescopic feet for machine stabilization during operation. Ensures stable operation on sloped or uneven ground, preventing tipping and maintaining consistent irrigation performance in challenging terrain.
    Hot Galvanized Construction Hot Galvanized Construction Chassis and turret feature hot-dip galvanization, while the reel is epoxy-coated and finished with polyurethane paint. Multi-layer corrosion protection extends service life beyond 20 years even in high-moisture environments, protecting your investment.
    Hydraulic Turntable Rotation Hydraulic Turntable Rotation Powered hydraulic rotation system for the entire turntable assembly. Enables quick repositioning and angle adjustments without manual effort, saving time when moving between irrigation runs or field sections.
    Double Chain Retrieval Double Chain Retrieval Dual-chain drive system for controlled hose retraction onto the reel. Provides smooth, even winding under heavy loads and prevents hose damage, extending hose life and reducing maintenance costs.
    Virgin Polyethylene Hose Virgin Polyethylene Hose Hose constructed from 100% unadulterated raw polyethylene material without recycled content. Superior UV resistance and flexibility compared to recycled alternatives, preventing premature cracking and ensuring consistent performance season after season.
    Dual-Diameter Water Inlets Dual-Diameter Water Inlets Galvanized double water inlet with Bauer Ø108 coupling for 110-125mm hose and Bauer Ø133 for 135-140mm hose. Accommodates multiple hose sizes without adapters, allowing you to scale irrigation capacity as your operation grows or match existing infrastructure.