Descriere
What Makes the HC-01-790 Agricultural Gearbox the Right Choice for UK Farms?
The HC-01-790 agricultural gearbox was engineered to answer a very specific challenge that arable and mixed-use farms across England, Scotland and Wales face every season: how to sustain reliable PTO-driven power output under fluctuating load conditions without sacrificing service intervals or machine uptime. With a standard 540 rpm rated input and a choice between a 1:1.92 ratio on the HC-01-790 and a 1:2.5 ratio on its sibling model HC-01-793, operators can match the gearbox’s output characteristics precisely to the machinery — from trailed spreaders and rotary cutters to bale wrappers and slurry tankers. The 25/13 tooth mesh on the HC-01-790 and 30/12 teeth on the HC-01-793 deliver a crisp, efficient power path that minimises heat build-up and mechanical loss in high-cycle applications. At just 22 kg net weight, fitting, removal and service intervention stay well within the reach of on-farm maintenance crews without lifting equipment.
The gearbox uses a 1 3/8 Z6 input connection — the universal splined shaft standard across European and British-spec tractors — while the output side features a keyed shaft arrangement that gives machinery manufacturers full flexibility in coupling design. This is not a component chosen by compromise; it is a component chosen because every dimension, every material choice and every surface treatment has been validated across real field hours in demanding European conditions.
Specificații tehnice
Working Principle, Materials & Application Environments
Principiul de funcționare
Power from the tractor PTO shaft enters through the 1 3/8 Z6 splined input and is transmitted via helical or spur gear sets to the keyed output shaft. The meshing gear pairs change the torque-to-speed ratio — the HC-01-790’s 1:1.92 ratio increases output torque relative to the shaft speed, making it the preferred choice where high pulling or cutting force is required. Gear contact surfaces are precision-ground and case-hardened to achieve the correct balance of surface hardness and core toughness, which directly governs service life under shock loading.
Materials
The housing is cast from high-grade grey iron or ductile iron, selected for its vibration-damping characteristics and resistance to the physical impacts common in field operation. Internal gear blanks are manufactured from alloy steel — typically 20CrMnTi or equivalent — and undergo carburising, quenching and tempering to achieve surface hardness in the 58–62 HRC range while preserving a tough core. Shafts are precision-turned from medium-carbon alloy steel and heat-treated for strength. All bearing positions accept deep-groove ball or tapered roller bearings rated for continuous radial and axial load capacity.
Application Environments
Designed for attachment to standard 3-point linkage implements or trailed equipment running from a 540 rpm PTO drive. Common installations in UK agriculture include rotary mowers, flail mulchers, rotary tillers, slurry agitators and compact bale-handling attachments. The unit’s compact envelope and low weight make it suitable for mid-mounted as well as rear-mounted configurations on tractors from 35 hp upward, which covers the majority of the British two-wheel-drive and compact four-wheel-drive tractor fleet.
Key Advantages of the HC-01-790 Agricultural Gearbox
540 rpm
Standard rated input speed matching the UK-standard PTO shaft specification on virtually all mid-sized tractors, ensuring bolt-on compatibility without speed converters or adapters.
Dual Ratio
Two model variants — 1:1.92 and 1:2.5 — allow implement designers and farm machinery importers to select the output speed and torque profile that precisely fits the application without custom engineering.
22 kg
A compact net weight simplifies installation on small and mid-sized implements, removes the need for specialist lifting during field servicing, and keeps unladen implement weight within trailer and road legal limits.
Case-Hardened Gears
Precision-ground, carburised gear teeth maintain tight tooth-mesh tolerances across the working life of the agricultural gearbox, reducing vibration, noise and the risk of wear-related failure during peak harvesting periods.
1 3/8 Z6 Input
Universal splined shaft interface aligns directly with the output stub of UK and EU-spec tractor PTO systems with no modifications, reducing commissioning time and ensuring safe torque transfer at rated load.
B2B OEM Ready
Available for bulk OEM supply, private-label packaging, and custom specification builds. Short lead times and consistent batch QC make this agricultural gearbox a reliable component for implement manufacturers across the UK and Europe.
Agricultural Gearbox Application Scenes
Power transmission demands vary enormously across the breadth of modern agricultural machinery. The HC-01-790 agricultural gearbox has been evaluated and applied across a growing range of field equipment, from compact tractor attachments to large-scale harvesting platforms. Below are two high-value applications in which our gearbox range has been deployed by equipment integrators:
Cutii de viteze cu elevator de precizie pentru recoltatoare de trestie de zahăr de mare capacitate
In sugarcane harvesting, the elevator and slew system must rotate and convey cut cane continuously under severe dust and crop-debris loading. Agricultural gearboxes in this role must maintain smooth power transfer across wide speed ranges and withstand high radial forces from cane stem impacts. Our gearbox series supports elevator slew assemblies on high-throughput cane harvesters operating in tropical field conditions.
The base cutter is the most mechanically stressed component in a cane harvester. A gearbox here must handle extreme shock torque as blade discs contact dense cane stalks at soil level and transmit full PTO power continuously through the harvest cycle. Agricultural gearboxes selected for base cutter duty require robust case construction, high-contact-ratio gear profiles, and reliable sealing against soil contamination.
Our Manufacturing Capability & Custom Gearbox Services
Ever-Power Group operates a dedicated agricultural gearbox production facility that combines CNC gear hobbing and grinding centres with in-house heat treatment and quality testing laboratories. Every agricultural gearbox that leaves the factory has been assembled, filled to the correct oil level, run-in under load, and dimensionally verified against the engineering drawing. Our QC process includes 100% visual and functional inspection, with random-sample gear mesh and noise analysis run on each production batch before shipping. For UK machinery importers, OEM equipment builders and farm machinery dealers requiring custom configurations, we offer a structured product development service covering ratio selection, input/output shaft geometry, housing modification, surface treatment and custom marking. Minimum order quantities for standard stock items are kept low to support smaller-volume importers, while volume-discount structures are available for regular OEM contracts. Lead times from order confirmation to UK port delivery are typically 25–35 days for standard configurations.
Cazuri de succes ale clienților
Real implementations from our agricultural gearbox supply partnerships across the UK and Europe.
Yorkshire Flail Mower Manufacturer — OEM Integration Case
England, UK · Agricultural Machinery Manufacturing · 2024
A family-run implement builder in North Yorkshire producing 200–300 flail mowers per year was replacing an unreliable European gearbox source that had suffered repeated housing crack failures. They specified the HC-01-790 as a direct replacement: same mounting footprint, same 540 rpm input, but with a heavier-duty housing and upgraded alloy-steel gear set. After a 150-hour field trial on a 60 hp Fendt, they placed their first annual OEM order of 240 units. The following season they reported zero warranty returns attributable to the agricultural gearbox, compared with a 6% return rate on the previous supply. They now use Ever-Power as their sole gearbox supplier for this product line and have extended the relationship to cover two additional implement models requiring different output ratios.
“We import trailed mulchers into the UK from three different chassis builders, and getting consistent gearbox quality has always been the hard part. The HC-01-790 has been the most reliable component on the rear of every unit we’ve shipped this season. No oil leaks, no noise complaints — just works.”
— James T., Agricultural Machinery Importer
Lincolnshire, England
“Ordered a sample batch of 20 agricultural gearboxes for evaluation alongside our current European supplier. Assembly went smoothly — the keyway shaft and spline dimensions were spot-on. We’ve now placed a 150-unit order and the lead time is well within our production schedule. Good documentation from Ever-Power too.”
— Callum M., Production Manager
Scottish Borders Farm Equipment Co.
“We needed 40 hp rated gearboxes in the 540 rpm input class for a rotary tiller we supply to small-holdings across Wales and the West Country. Ever-Power came in at a competitive price per unit for a 50-piece MOQ, and the HC-01-790 dropped straight into our existing bracket design. Would have no hesitation recommending them as a supplier.”
— Rhian E., Purchasing Director
Welsh Agricultural Supplies Ltd., Carmarthen
Întrebări frecvente
Ready to Order or Need a Sample?
Contact Ever-Power for HC-01-790 Pricing & Lead Times
Trade accounts, OEM supply agreements and sample units available. UK agricultural machinery importers and implement manufacturers welcome.
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