Multi-Output Shaft Architecture

Our cleaning star gearbox distributes torque evenly across two, three, or four output shafts simultaneously. Equal shaft speed across the full cleaning roller bank is critical — differential rotation causes patchy cleaning performance and accelerated bearing wear on the overloaded side. Our gear geometry is calculated specifically for load-balanced multi-output drive.

IP65-Rated Sealed Housing

Beet harvester cleaning zones are saturated with mud, water, and fine abrasive particles for the duration of the harvest season. Our dual-lip FKM seals on every shaft output, combined with precision-ground seal seats and O-ring-sealed drain plugs, achieve IP65 ingress protection that keeps contamination out and lubricant in — even during pressure washing between shifts.

3,200 Nm Peak Torque Capability

When the cleaning stars hit a dense clod of clay-heavy soil or a cluster of beets in heavy yield conditions, instantaneous torque demands spike dramatically. Our case-hardened 20CrMnTi gear sets and oversized bearing selections ensure the gearbox absorbs these peaks without tooth deflection or bearing overload — protecting the drivetrain and reducing unplanned downtime.

Full OEM Custom Configuration

No two harvester platforms are identical. Our factory accepts custom gear ratio specifications, modified shaft configurations, alternative housing mounting patterns, and bespoke port orientations as standard OEM services. Private-label and white-box supply arrangements are available for UK dealers who require brand-consistent product presentation.

Matched PTO Shaft Supply

We supply Series 4–8 agricultural PTO shafts alongside every cleaning star gearbox order, eliminating the risk of shaft-gearbox mismatch. Torque limiters, CE certification, and telescopic length adjustment are standard on our PTO shaft range — ensuring the complete drivetrain is correctly specified and covered under a single warranty.

UK-Ready Supply Chain

Standard cleaning star gearbox models are held in stock through our European distribution partners for short-lead supply to UK buyers. We maintain technical documentation in English, provide metric and imperial dimensional data, and offer telephone support during UK business hours for dealers and end users who need fast application guidance.

Power Distribution Mechanics

The cleaning star gearbox for beet harvester systems operates as a precision power distribution unit. It takes rotational input from a PTO shaft running at 540 or 1000 RPM and converts it into the lower-speed, higher-torque output needed to drive multiple cleaning star shafts simultaneously. This multi-output transmission function is considerably more demanding than a simple inline gearbox: the unit must maintain consistent speed ratios across all output shafts under fluctuating loads, because any differential rotation between adjacent stars produces uneven cleaning performance and disproportionate wear on the harder-working output.

Inside each Ever Power cleaning star gearbox, a precision bevel gear set handles the primary direction change — converting horizontal PTO input into the angled or vertical shaft drive that the cleaning star configuration requires. Helical-cut spur gears then distribute power to secondary outputs where multi-shaft arrangements are used. The helical tooth geometry increases the contact ratio, spreading the transmitted load across more tooth faces at any instant and reducing the peak contact stress that leads to fatigue pitting over a season.

Sealed Lubrication & Contamination Control

Lubrication in a beet harvester cleaning star gearbox is managed through a sealed oil bath system. The housing geometry is machined to maintain full oil contact with all running gear surfaces across the operating attitude range of the harvester — critical because harvesters regularly traverse slopes where the oil surface angle changes significantly. Contamination ingress is controlled through dual-lip seals at every shaft exit, with inner lips retaining lubricant under centrifugal load and outer lips deflecting mud and water before it reaches the sealing surface.

Venting is managed through a breather positioned in a protected location on the upper housing, preventing pressure buildup from thermal cycling while excluding field contamination. The lubricant specification — ISO VG 220 gear oil — is selected for its viscosity stability across the -10°C to +70°C operating range typical of a UK autumn beet harvest, maintaining the oil film thickness required to prevent metal-to-metal contact during cold start-up on early morning shifts.

Housing — GGG50 SG Iron

Spheroidal graphite cast iron with tensile strength of approximately 500 MPa provides the mass and vibration damping characteristics needed to protect gear sets from the shock loads generated when cleaning stars contact stones or dense root clumps. The nodular graphite microstructure absorbs impact energy that would fracture grey cast iron under the same loading conditions — an important consideration in stony UK beet fields.

Gear Sets — 20CrMnTi Steel

All internal gear sets are produced from 20CrMnTi chromium-manganese-titanium alloy steel, carburised and quenched to a surface hardness of 58–62 HRC with a tough, impact-resistant core. This combination of hard surface and ductile core is essential in a cleaning star gearbox application: the hard surface resists tooth contact fatigue and abrasion from any fine particulate contamination that bypasses seals, while the ductile core prevents catastrophic brittle fracture under shock loads.

Seals & Bearings

Bearings are selected to ISO 76 static load rating standards with C3 clearance to accommodate thermal expansion during extended harvesting shifts. FKM (Viton) dual-lip seals replace the NBR standard option on request — critical for operators who use high-pressure washing with steam or hot water between shifts, where standard NBR seals can swell or harden. All seal interface diameters are ground to Ra 0.8 or better for consistent sealing contact.

🌿 Sugar Beet Harvesting — East Anglia & Lincolnshire

The primary application of our cleaning star gearbox for beet harvester operations sits squarely in the sugar beet fields of East Anglia and Lincolnshire — the two counties that produce the vast majority of Great Britain’s sugar beet crop. These are high-yield, intensive operations where harvester throughput directly translates to contract profitability. Our gearboxes are field-proven in Grimme Maxtron, Ropa Tiger, Holmer Terra Dos, and Franz Kleine SF-10 platforms operating in Lincolnshire’s heavy clay soils and Norfolk’s free-draining loams — conditions that sit at opposite ends of the cleaning duty spectrum but are both handled reliably within our standard torque ratings.

🌃 Yorkshire & East Midlands Beet Contracting

Yorkshire and the East Midlands support a significant contract harvesting economy where agri-contractors operate fleets of harvesters across multiple farm clients throughout a compressed autumn campaign. Gearbox reliability and rapid parts availability are paramount in this sector — a single cleaning star gearbox failure on a contract machine can delay an entire programme by days during the narrow harvesting window before ground conditions deteriorate. Our European stockholding and UK logistics partnerships ensure emergency orders placed before noon can be delivered to site within 48 hours in most cases, minimising harvest campaign disruption.

🐘 Fodder Beet Harvester Applications

Fodder beet cultivation is expanding across the UK as livestock farmers seek high-energy winter forage alternatives, and the mechanical demands on the cleaning star gearbox in this application are often more severe than in sugar beet operations. Fodder beet produces significantly higher volumes of leaf material and the roots can vary enormously in size within the same field, creating large and sudden fluctuations in the torque load on the cleaning star drive. Our upper-range gearbox models — those rated to 3,200 Nm — are particularly well-suited to fodder beet harvester installations where torque spike frequency and magnitude exceed what a standard sugar beet specification can tolerate.

🔧 OEM Machine Builder Integration

Agricultural machinery manufacturers designing new or revised beet harvester platforms work with Ever Power’s applications engineering team during the concept and prototyping phases to specify the correct cleaning star gearbox from first principles. We provide CAD data, dimensional outlines, mass and centre-of-gravity data, and prototype units for validation testing. Our factory’s ability to produce custom gear ratios, bespoke housing configurations, and modified output shaft arrangements means that OEM machine designers are not constrained to what is in a catalogue — they can specify the transmission performance they need and we build to that specification.

No cleaning star gearbox for beet harvester systems performs at its rated specification without a correctly matched Вал отбора мощности. The relationship between the PTO shaft and the cleaning star gearbox is mechanically critical and commercially significant in ways that are frequently underestimated. A mismatched shaft profile, an incorrect working length, a universal joint operating outside its designed angle range, or an inadequately rated torque limiter can cause rapid gearbox failure regardless of the gearbox’s intrinsic quality. In practice, we see a significant proportion of premature cleaning star gearbox failures traced back to a non-compatible replacement shaft fitted at the time of the previous gearbox service.

Ever Power supplies a comprehensive range of agricultural PTO shafts covering Series 4 through Series 8 profiles, with CE-marked shear bolt torque limiters or friction-type limiters available across the range. All shafts are telescopic with the correct length adjustment for the harvester articulation geometry, and universal joints are rated at the full torque capacity of the corresponding gearbox input — a specification match that is only guaranteed when both components are sourced together.

For UK buyers replacing their cleaning star gearbox during the pre-season service period, we strongly recommend reviewing the PTO shaft condition and specification simultaneously. Our applications engineers can calculate the correct PTO shaft specification for any harvester configuration, taking into account operating angle, length variation during full articulation, and the specific peak torque requirements of your cleaning star assembly. Sourcing both components together from Ever Power also ensures both are covered under a single, integrated warranty with no ambiguity about which supplier is responsible in the event of a drivetrain failure.

★★★★★

“We’ve been fitting Ever Power cleaning star gearboxes to our Grimme SE 150-60 for two seasons now. The build quality is visibly different from what we were using before — the housing finish, the shaft tolerances, the way the seals are seated. Not a single oil leak or bearing issue across 680 hours of operation.”

— D. Hollingsworth, Farm Manager

Norfolk, East Anglia, UK

★★★★★

“As a parts distributor supplying the Yorkshire beet contracting sector, we need a cleaning star gearbox supplier who can turn around emergency orders fast. Ever Power’s lead times are consistently short and the documentation they provide — CE declarations, dimensional drawings, material certs — makes it easy for our customers to get approval from their machine service teams.”

— R. Blackmore, Purchasing Director

Agricultural Machinery Parts Ltd, Yorkshire, UK

★★★★★

“We specified a non-standard gear ratio for a cleaning star upgrade on our prototype fodder beet harvester. Ever Power produced the prototype gearbox on schedule, within the dimensional envelope we specified, and the ratio was exactly right on the first build. That kind of custom capability from a gearbox supplier is genuinely rare and it saved us at least one full design iteration cycle.”

— T. van der Berg, Chief Engineer

Agricultural Equipment Manufacturer, Netherlands

Ever Power’s manufacturing facility operates across dedicated machining, heat treatment, assembly, and quality inspection departments covering over 30,000 square metres of production floor space. Our gear manufacturing capability encompasses CNC hobbing centres, gear grinding machines, carburising and quenching furnaces, and coordinate measuring machines — allowing every stage of the cleaning star gearbox production process to remain under our direct quality control from raw material to finished product.

Customisation is not an afterthought at Ever Power — it is a core production capability. Our engineering team regularly produces cleaning star gearboxes to customer-specific gear ratios that fall outside catalogue ranges, modified housing configurations to accommodate specific harvester mounting geometries, dual-output and multi-output shaft arrangements tailored to particular cleaning star bank designs, and alternative input shaft configurations for non-standard PTO connections. We also offer bespoke painting in customer-specified RAL colours and private-label supply arrangements for UK dealers who require brand-consistent product presentation to their end-user customers.

For standard models, our minimum order quantity is a single unit — meaning even small machinery workshops and individual farm operations can access factory-direct pricing without committing to large volume orders. For fully custom gearbox configurations, we run a structured OEM development process covering initial drawing review, engineering confirmation, prototype production, and customer acceptance testing before volume production begins. Typical prototype lead times for custom cleaning star gearboxes run at four to six weeks from receipt of complete, signed-off technical drawings.

🔌 Discuss Custom Requirements

The United Kingdom is one of Europe’s significant sugar beet producers, with annual production centred on the growing regions of Lincolnshire, Norfolk, Suffolk, Cambridgeshire, and the East Midlands. British Sugar’s four processing plants — at Cantley in Norfolk, Newark in Nottinghamshire, Bury St Edmunds in Suffolk, and Wissington in Norfolk — represent the commercial anchor for the entire UK beet harvesting sector, and the harvesting contractors and farm operations that supply these facilities depend on machinery that can perform reliably throughout the entire campaign without costly breakdowns.

Ever Power supplies cleaning star gearboxes to UK-based agricultural machinery importers, spare parts distributors, and OEM manufacturers who need specification-compliant, documented products for inclusion in CE-marked agricultural machinery sold in Great Britain. Our supply documentation — including CE declarations of conformity, material test certificates, dimensional inspection reports, and gear accuracy certificates to DIN or AGMA standards — meets the requirements of UK machinery importers and ensures smooth integration into the regulatory frameworks that govern agricultural machinery sales and servicing in this market.

For UK buyers sourcing cleaning star gearboxes for beet harvester applications for the first time, we recommend contacting our sales team with the harvester make and model, the current or desired cleaning star shaft count and speed, and an estimate of annual operating hours. We can then recommend the correct gearbox specification, confirm availability, and provide indicative pricing with typical UK freight costs factored in — usually within one working day of receiving a complete enquiry.