{"id":4051,"date":"2026-07-06T05:12:06","date_gmt":"2026-07-06T05:12:06","guid":{"rendered":"https:\/\/agriculturalgearboxes.top\/?post_type=product&p=4051"},"modified":"2026-07-07T05:06:38","modified_gmt":"2026-07-07T05:06:38","slug":"hc-9-310-rotary","status":"publish","type":"product","link":"https:\/\/agriculturalgearboxes.top\/pt\/product\/hc-9-310-rotary\/","title":{"rendered":"HC-9.310 Rotary"},"content":{"rendered":"
\n

<\/strong><\/p>\n

\n
Agricultural Gearbox Specialist \u00b7 UK Supply<\/span><\/div>\n

HC-9.310 Rotary<\/h2>\n

30HP \u00b7 1:3 Ratio \u00b7 540 RPM Rated Input \u00b7 Built for UK Farming Conditions<\/p>\n

ISO Certified<\/span>
\nCustom OEM Available<\/span>
\nUK Distributors Welcome<\/span><\/div>\n<\/div>\n

<\/p>\n

\n
\n
\n

\"AgriculturalThe HC-9.310 agricultural gearbox is a precision-engineered power transmission solution designed for demanding field applications across the UK agricultural sector. Delivering 30HP at a 1:3 gear ratio with a rated input of 540 RPM, this unit is purpose-built to handle the torque loads associated with rotary cultivators, mowers, spreaders, and other PTO-driven implements. The 12\/36 tooth configuration and a module of 3.45 translate to smooth, low-vibration power transfer \u2014 qualities that matter when you are working long shifts across variable terrain in British conditions.<\/p>\n

With an input\/output configuration of 13\/8 Z6 and an optic axis option, the HC-9.310 agricultural gearbox suits a wide range of mounting orientations, giving machinery manufacturers and retrofit specialists flexibility that competing units rarely offer at this price point. Net weight of 18 kg keeps the assembly manageable for single-operator installation, while robust cast iron housing ensures the unit survives the moisture, mud, and temperature swings typical of UK harvest seasons.<\/p>\n


\n\ud83d\udce7 Solicite um or\u00e7amento<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n
\n
1:3<\/div>\n
Raz\u00e3o<\/div>\n<\/div>\n
\n
30 HP<\/div>\n
Poder<\/div>\n<\/div>\n
\n
540<\/div>\n
RPM Input<\/div>\n<\/div>\n
\n
18 kg<\/div>\n
Net Weight<\/div>\n<\/div>\n
\n
3.45<\/div>\n
M\u00f3dulo<\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n

Especifica\u00e7\u00f5es t\u00e9cnicas<\/h2>\n

HC-9.310 \u00b7 Full Parameter Table<\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
Par\u00e2metro<\/th>\nValor<\/th>\n<\/tr>\n<\/thead>\n
ITEM<\/td>\nHC-9.310<\/td>\n<\/tr>\n
Raz\u00e3o<\/td>\n1:3<\/td>\n<\/tr>\n
Dentes<\/td>\n12\/36<\/td>\n<\/tr>\n
M\u00f3dulo<\/td>\n3.45<\/td>\n<\/tr>\n
Power (HP)<\/td>\n30<\/td>\n<\/tr>\n
Entrada nominal<\/td>\n540 rpm<\/td>\n<\/tr>\n
Descri\u00e7\u00e3o de entrada\/sa\u00edda<\/td>\n13\/8 Z6 \/ Optic axis<\/td>\n<\/tr>\n
Weight (N.W.)<\/td>\n18 Kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

\n

Engineering Drawing<\/p>\n

\"HC-9.310<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n

Working Principle, Materials & Application Scenarios<\/h2>\n<\/div>\n
\n
\n
\u2699<\/span><\/div>\n

Gear Transmission Principle<\/h3>\n

The HC-9.310 agricultural gearbox operates on a single-stage helical gear mesh, where a 12-tooth driving pinion engages a 36-tooth output gear at module 3.45 to produce a precise 1:3 speed reduction. PTO shaft input at 540 RPM is stepped down while torque is multiplied, allowing implements to receive the high rotational force they need without over-stressing the tractor’s driveline. The optic axis output option means the rotational plane can be re-oriented during installation, making the unit compatible with both inline and offset drive layouts common on British farm machinery.<\/p>\n<\/div>\n

\n
\ud83d\udd28<\/span><\/div>\n

Materials & Construction<\/h3>\n

The housing is produced from high-grade cast iron \u2014 GG25 equivalent \u2014 machined to tight tolerances for gear alignment precision that directly affects noise, wear rate, and service life. Internal gears are manufactured from 20CrMnTi alloy steel, carburised and hardened to HRC 56\u201362, delivering surface hardness that resists pitting fatigue even under shock loading. All bearing seats are machined in a single clamping to maintain concentricity, and the unit is sealed with industrial-grade lip seals that retain gear oil in field environments where dust, crop debris, and water ingress are constant concerns for UK farmers.<\/p>\n<\/div>\n

\n
\ud83c\udf3f<\/span><\/div>\n

Field Application Scenarios<\/h3>\n

This agricultural gearbox sees deployment across a broad range of UK crop and livestock operations. It powers the rotor assemblies of rotary tillers and power harrows used in autumn cultivation across the East Anglian arable belt. In grassland management, it drives drum mowers and flail mulchers on hill farms in Wales and the Scottish Borders. Fertiliser and lime spreaders fitted with ground-drive conveyor systems also rely on the 1:3 ratio to balance spreading width against material flow rate. Any application demanding a compact, bolt-on gearbox at the 30HP power band will find the HC-9.310 fits both dimensional and torque requirements without compromise.<\/p>\n<\/div>\n<\/div>\n

 <\/p>\n

\"Agricultural<\/p>\n<\/div>\n

<\/p>\n

\n
\n

Key Advantages for UK Agricultural Operators<\/h2>\n<\/div>\n
\n
\n

\u2713 Compact Footprint<\/p>\n

At 18 kg net weight, the unit retrofits to existing implement frames without structural modification, saving downtime during seasonal changeovers.<\/p>\n<\/div>\n

\n

\u2713 High Torque Density<\/p>\n

The hardened 20CrMnTi gear set delivers maximum torque output relative to unit volume, outperforming generic cast-steel alternatives in field endurance tests.<\/p>\n<\/div>\n

\n

\u2713 Dual Output Flexibility<\/p>\n

13\/8 Z6 and optic axis outputs give integrators the freedom to route drive to either inline or angled implement shafts without additional adapter assemblies.<\/p>\n<\/div>\n

\n

\u2713 Field-Sealed Design<\/p>\n

Industrial-grade lip seals and precision-machined housing prevent oil leaks in wet, muddy operating environments \u2014 a common failure point in cheaper alternatives.<\/p>\n<\/div>\n

\n

\u2713 540 RPM PTO Compatibility<\/p>\n

Factory-rated for standard 540 RPM PTO output found on tractors from 40HP upwards, ensuring plug-and-play compatibility across the majority of British farm fleets.<\/p>\n<\/div>\n

\n

\u2713 Low Noise Operation<\/p>\n

Precision gear lapping and consistent module sizing reduce mesh noise to levels that meet operator comfort expectations in enclosed cab environments.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n

Explore Related Agricultural Gearboxes<\/h2>\n<\/div>\n
\n
\n

HC-X30 Agricultural Gearbox<\/a><\/h3>\n

O HC-X30 agricultural gearbox<\/a> is designed for higher-power rotary applications requiring multi-speed outputs. It suits large-format cultivation machinery operating in the heavier clay soils found across much of the English Midlands and East Anglia, where tractor horsepower and ground engagement forces demand a robust gearbox platform.<\/p>\n

View Product \u2192<\/a><\/p>\n<\/div>\n

\n

HC-RC61 Agricultural Gearbox<\/a><\/h3>\n

O HC-RC61 agricultural gearbox<\/a> is engineered specifically for rotary cutter and flail mower applications where shaft speed and cutting mass create high shock-load conditions. Its reinforced input flange and premium bearing arrangement make it a preferred choice for contractors maintaining roadside verges and land drainage channels across the UK.<\/p>\n

View Product \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n

Manufacturing & Custom Engineering Capability<\/h2>\n<\/div>\n

Our production facility operates precision CNC machining centres, gear hobbing and grinding equipment, and dedicated heat treatment lines that allow us to hold component tolerances down to IT6 grade across all critical dimensions. This level of manufacturing control is what lets us back the HC-9.310 agricultural gearbox with consistent performance data rather than broad nominal ratings. Every batch undergoes gear mesh noise testing, load run-in, and dimensional verification before packing \u2014 a process that reflects the operational expectations of UK machinery manufacturers and professional contractors who cannot afford in-season failures.<\/p>\n

Beyond standard catalogue units, our engineering team supports bespoke modifications with short lead times. Customers sourcing agricultural gearboxes for OEM integration regularly request alterations to mounting flange dimensions, shaft stub lengths, oil fill port positions, and gear ratios outside the standard range. We handle these through our dedicated custom development process: drawing review within 48 hours, prototype sample within 3\u20134 weeks, and production tooling retained for repeat orders. UK importers and machinery distributors benefit from consolidated container loading across multiple gearbox variants, reducing per-unit landed cost without sacrificing the flexibility of a broad product range.<\/p>\n

\"Agricultural<\/div>\n
\ud83d\udce7 Solicite um or\u00e7amento<\/a><\/div>\n<\/div>\n

<\/p>\n

\n
\n

Casos de sucesso de clientes<\/h2>\n

Real results from agricultural operators and machinery manufacturers across the UK and Europe<\/p>\n<\/div>\n

<\/p>\n

\n
\n
Estudo de Caso<\/div>\n
Yorkshire, UK \u00b7 Contract Farming Operation \u00b7 Rotary Cultivator Fleet<\/div>\n<\/div>\n

A 1,200-hectare contract farming business operating across the Vale of York approached us after experiencing high warranty return rates on agricultural gearboxes fitted to their fleet of rotary power harrows. Their existing supplier’s units were failing bearing seats prematurely due to inadequate housing casting quality, typically within the first 300 hours \u2014 well below the 1,000-hour seasonal target. After fitting HC-9.310 units across eight machines ahead of the spring ploughing window, they reported zero gearbox-related stoppages across a full cultivation season covering approximately 4,400 machine hours. The combination of hardened gear sets and the precision-machined bearing seats proved decisive in eliminating the premature wear pattern. They subsequently placed a standing order for 24 replacement units to cover the following three seasons, citing both performance reliability and consistent availability from our UK distribution point as key factors in the decision.<\/p>\n<\/div>\n

<\/p>\n

\n
\n

\u275d<\/p>\n

We spec the HC-9.310 agricultural gearbox into all our mid-range power harrow builds now. The dimensional consistency batch-to-batch is the biggest thing for us \u2014 we can’t afford to re-jig a production line because a casting dimension drifted. Not had a single dimensional reject in three years of purchasing.<\/p>\n

\n

James H.<\/p>\n

Production Manager \u00b7 Agricultural Machinery OEM, Lincolnshire<\/p>\n

\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n<\/div>\n<\/div>\n
\n

\u275d<\/p>\n

Ordered 12 units to cover a grassland contractor’s mower fleet in Dumfries. The 540 RPM compatibility was essential \u2014 some of those tractors are older John Deere 6-series with no 1,000 RPM option. All 12 went in without a single fitment issue. The quote turnaround from your team was also genuinely fast, which matters when we’re working to a season deadline.<\/p>\n

\n

Andrew T.<\/p>\n

Parts Buyer \u00b7 Agricultural Machinery Distributor, Scotland<\/p>\n

\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n<\/div>\n<\/div>\n
\n

\u275d<\/p>\n

We integrated the HC-9.310 agricultural gearbox into our lime spreader ground-drive conversion kits. The 1:3 ratio sits exactly in the sweet spot for the spreading rate we target on heavy chalk soils in Kent. We’ve had units in continuous use for two full seasons now \u2014 the seals are holding, the noise level is low, and our customers haven’t called back once for warranty work.<\/p>\n

\n

Paul W.<\/p>\n

Technical Director \u00b7 Spreader Equipment Manufacturer, Kent<\/p>\n

\u2605\u2605\u2605\u2605\u2605<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n

Perguntas frequentes<\/h2>\n

Common questions from UK agricultural machinery buyers and operators<\/p>\n<\/div>\n

\n
\n
\n

What is the best agricultural gearbox supplier in the UK for 30HP PTO-driven implements at a competitive price?<\/p>\n<\/div>\n

\n

For UK buyers sourcing an agricultural gearbox in the 30HP class at a competitive price point, the HC-9.310 represents strong value. It combines factory-direct pricing with the technical specification \u2014 hardened alloy gears, cast iron housing, 540 RPM input rating \u2014 that comparable European or domestic-branded units carry at considerably higher cost. We supply directly to UK distributors, OEM machinery builders, and agricultural engineering workshops, and provide quotes typically within 24 hours of enquiry.<\/p>\n<\/div>\n<\/div>\n

\n
\n

How do I know which gear ratio is correct when I am choosing an agricultural gearbox for a rotary cultivator in the UK?<\/p>\n<\/div>\n

\n

Selecting the right ratio depends on your tractor’s PTO speed (standard 540 RPM or 1,000 RPM) and the target rotor speed on your implement. The HC-9.310’s 1:3 ratio steps 540 RPM input down to 180 RPM output, which is ideal for power harrow tine shafts operating at low ground speeds on heavy cultivations. If your implement specifies a different rotor RPM range, share the implement’s drive specification with us and we can confirm compatibility or suggest an alternative ratio from our range.<\/p>\n<\/div>\n<\/div>\n

\n
\n

Where can I get a quote for agricultural gearboxes for an OEM machinery build in England or Scotland?<\/p>\n<\/div>\n

\n

You can request a quote directly by emailing sales@agriculturalgearboxes.top with your required specifications \u2014 model reference, quantity, any dimensional modifications, and your target delivery port or warehouse location. OEM orders are handled through our dedicated project team, who can provide unit pricing, minimum order quantities, lead times, and packaging options suited to production-line assembly. We work with manufacturers across England, Scotland, and Wales and can consolidate multiple gearbox variants in a single shipment.<\/p>\n<\/div>\n<\/div>\n

\n
\n

What is the typical lead time and cost when ordering the HC-9.310 agricultural gearbox from a UK importer or agricultural parts distributor?<\/p>\n<\/div>\n

\n

Standard production lead time for the HC-9.310 is 15\u201325 working days for stocked variants, with air freight options available for urgent requirements. FOB pricing varies with order volume, and UK distributors typically land units at a cost that allows a healthy margin while remaining below equivalent European-sourced alternatives. Contact us with your annual volume estimate and we can structure tier pricing accordingly. Sample units for testing can usually be dispatched within 7 days.<\/p>\n<\/div>\n<\/div>\n

\n
\n

Which type of agricultural gearbox is best suited when I am replacing a worn unit on a flail mower used for roadside and verge cutting contracts in the UK?<\/p>\n<\/div>\n

\n

For roadside verge and drainage channel flail mowers, the primary concern is shock load tolerance, since flails regularly strike hard material. The HC-9.310 agricultural gearbox handles moderate shock loads well within its 30HP rating, but for heavy-duty commercial flail applications we would also recommend reviewing the HC-RC61, which features a reinforced input flange specifically designed for the peak torque events common in this application. Contact us with your current mower make, model, and the replacement gearbox’s mounting dimensions and we will confirm the right unit.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n

Ready to Source the HC-9.310 Agricultural Gearbox?<\/h2>\n

Talk to our engineering team today. We respond to UK trade enquiries within 24 hours and can support sample orders, OEM customisation, and volume pricing.<\/p>\n

\ud83d\udce7 Solicite um or\u00e7amento agora<\/a><\/p>\n<\/div>\n

editado por gzl<\/p>\n

<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Cast iron agricultural gearbox HC-9.310: 1:3 ratio, 30HP, 540RPM rated input. Hardened 12\/36 alloy gear set, module 3.45. Dual output: 13\/8 Z6 spline & optic axis. Net 18kg.<\/p>","protected":false},"featured_media":4052,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2006],"product_tag":[],"class_list":["post-4051","product","type-product","status-publish","has-post-thumbnail","product_cat-rotary","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/product\/4051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/comments?post=4051"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/media\/4052"}],"wp:attachment":[{"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/media?parent=4051"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/product_brand?post=4051"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/product_cat?post=4051"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/pt\/wp-json\/wp\/v2\/product_tag?post=4051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}