{"id":4173,"date":"2026-07-09T05:02:51","date_gmt":"2026-07-09T05:02:51","guid":{"rendered":"https:\/\/agriculturalgearboxes.top\/?post_type=product&p=4173"},"modified":"2026-07-09T05:26:52","modified_gmt":"2026-07-09T05:26:52","slug":"hc-ag135-lawn-mower-series-gearbox","status":"publish","type":"product","link":"https:\/\/agriculturalgearboxes.top\/it\/product\/hc-ag135-lawn-mower-series-gearbox\/","title":{"rendered":"HC-AG135 Lawn Mower Series Gearbox"},"content":{"rendered":"

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Agricultural Gearbox | UK Supplier<\/p>\n

HC-AG135 Lawn Mower Series Gearbox<\/h2>\n

Heavy-duty 50HP rotary mower gearbox engineered for professional-grade turf management, roadside maintenance, and large-scale grassland operations across the United Kingdom.<\/p>\n

\ud83d\udce7 Richiedi subito un preventivo<\/a><\/p>\n<\/div>\n

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\"HC-AG135The HC-AG135 lawn mower gearbox is a high-performance 1:1 ratio power transmission unit rated at 50HP input, purpose-built for rotary mower decks driven by tractor PTO systems. With a cone base aequilate spline shaft configuration and a net weight of 16.5kg, this gearbox delivers robust torque transfer at 540 rpm, ensuring consistent blade engagement and efficient cutting action across varied terrain. Widely trusted by agricultural contractors and groundskeeping operations throughout the UK, it is engineered to meet the demands of intensive seasonal workloads without compromising on reliability or service life.<\/p>\n<\/div>\n

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\u2713 50HP Rated Power<\/div>\n
\u2713 1:1 Gear Ratio<\/div>\n
\u2713 540 RPM Input<\/div>\n
\u2713 UK Ready<\/div>\n
\u2713 PTO Compatible<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Ready to source the HC-AG135 for your operation?<\/p>\n

Request Pricing<\/a><\/p>\n<\/div>\n

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Specifiche tecniche<\/h2>\n

All parameters are measured under standard test conditions. Values apply to the standard HC-AG135 configuration.<\/p>\n


\n\"HC-AG135<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
Parametro<\/th>\nValore<\/th>\n<\/tr>\n<\/thead>\n
Item<\/td>\nHC-AG135<\/td>\n<\/tr>\n
Rapporto<\/td>\n1:1<\/td>\n<\/tr>\n
Denti<\/td>\n20\/20<\/td>\n<\/tr>\n
Modulo<\/td>\n6.0<\/td>\n<\/tr>\n
Potenza (CV)<\/td>\n50<\/td>\n<\/tr>\n
Input di valutazione<\/td>\n540 giri al minuto<\/td>\n<\/tr>\n
Descrizione dell'ingresso\/uscita<\/td>\n1 3\/8 Z6 \u2014 Cone base aequilate spline shaft<\/td>\n<\/tr>\n
Peso (NW)<\/td>\n16.5 Kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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How It Works \u2014 Engineering Principles & Materials<\/h2>\n
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Bevel Gear Power Transmission<\/h3>\n

The HC-AG135 operates on a right-angle bevel gear principle. PTO torque enters through the input shaft at 540 rpm, and the 1:1 ratio bevel gear set \u2014 featuring a 20-tooth mesh on both driver and driven gears \u2014 redirects and transmits power to the output shaft without speed reduction. This direct-ratio design preserves full blade rotational energy, which is critical when cutting dense grass or crop residue on UK farmland and roadside verges.<\/p>\n<\/div>\n

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Material & Construction<\/h3>\n

The gearbox housing is manufactured from high-grade ductile cast iron, providing excellent resistance to the impact shocks typical of outdoor mowing environments. Internal gear pairs are forged from 20CrMnTi alloy steel, carburised and case-hardened to HRC 58-62, ensuring surface wear resistance while retaining a tough core. Sealed, high-speed bearings are pre-lubricated and seated in precisely bored housings to maintain alignment under sustained load, minimising heat generation and extending overhaul intervals significantly.<\/p>\n<\/div>\n

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Scenari applicativi<\/h3>\n

The HC-AG135 lawn mower gearbox is specifically suited to tractor-mounted rotary mowers used in grass verge management, paddock maintenance, airfield grass cutting, golf course rough management, and large-acreage hay preparation across England, Scotland, and Wales. Its 50HP rating accommodates mid-to-large tractors common in UK agricultural fleets, including models from 80hp and above, where demanding PTO-driven attachments must perform reliably across the full growing season without service interruption.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Why Choose the HC-AG135 Lawn Mower Gearbox<\/h2>\n
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High Torque Efficiency<\/h4>\n

The direct 1:1 bevel gear ratio delivers near-lossless torque transfer from tractor PTO to mower blades, maintaining blade tip speed under varied grass loading conditions without excessive heat or noise.<\/p>\n<\/div>\n

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Rugged Field Durability<\/h4>\n

Cast iron housing and hardened alloy steel gears are designed to absorb the vibration and impact loads generated during heavy-duty rotary mowing, including stone strike events common on UK roadside and paddock environments.<\/p>\n<\/div>\n

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Universal PTO Interface<\/h4>\n

The standard 1 3\/8 inch Z6 spline input shaft is compatible with the vast majority of UK-market tractors, eliminating the need for costly adapters and simplifying cross-fleet deployment across mixed equipment inventories.<\/p>\n<\/div>\n

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Low Total Cost of Ownership<\/h4>\n

Extended service intervals, readily available replacement parts, and a design optimised for field serviceability keep ongoing maintenance costs predictable \u2014 an important consideration for UK agricultural contractors managing tight seasonal budgets.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"Agricultural<\/p>\n

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Related Agricultural Gearbox Products<\/h2>\n

Explore our broader range of high-efficiency agricultural gearboxes, engineered for diverse PTO-driven machinery across UK farming operations.<\/p>\n

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Worm Gearbox Series<\/p>\n

HC-RV022 (X) Aluminum Box Series Gearbox<\/a><\/h3>\n

Lightweight aluminium-cased worm gearbox ideal for low-to-medium torque agricultural equipment where weight reduction is a key design consideration.<\/p>\n

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

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Worm Gearbox Series<\/p>\n

HC-RV010 Aluminum Box Series Gearbox<\/a><\/h3>\n

Compact aluminium-body worm gearbox delivering reliable power reduction for auxiliary machinery drives across a wide range of agricultural implement applications.<\/p>\n

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

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Casi di successo dei clienti<\/h2>\n

Real-world results from agricultural operators who rely on HC-AG135 gearboxes across UK operations.<\/p>\n

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Case Study \u2014 Yorkshire, England<\/p>\n

Roadside Verge Management Contractor Reduces Downtime by 40%<\/h3>\n

Greenfield Groundscare Ltd, a specialist contractor managing over 1,200 kilometres of highway verge under contract for a North Yorkshire local authority, had been experiencing persistent gearbox failures on their rotary mower fleet \u2014 averaging one replacement every 6 to 8 weeks during the summer cutting season. After switching to the HC-AG135 lawn mower gearbox across their 14-strong tractor fleet in 2024, the company reported a 40% reduction in unplanned downtime and a 28% decrease in annual parts spend. The reliable 1:1 power transfer and robust cast iron construction proved particularly effective when cutting dense roadside vegetation mixed with woody debris, conditions that had previously caused frequent gear tooth failure in their previous units. The contracts manager noted that the compatibility with their John Deere 6R and Massey Ferguson 5700S tractors required zero adaptation, making the transition operationally seamless and cost-effective.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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“We fitted six HC-AG135 units to our estate mower fleet in Cheshire last spring. Through a full season of paddock maintenance and estate grass management, not a single unit needed attention. The build quality is noticeably better than what we were using before.”<\/p>\n

\u2014 David H., Estate Manager, Cheshire, UK<\/p>\n<\/div>\n

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“As an agricultural machinery dealer supplying contractors across Scotland, we have stocked the HC-AG135 as our preferred recommendation for replacement lawn mower gearboxes. The price is very competitive and the lead times from the supplier are consistently short, which matters enormously to our customers mid-season.”<\/p>\n

\u2014 Ian M., Parts Manager, Aberdeenshire, Scotland<\/p>\n<\/div>\n

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“We source lawn mower gearboxes for our machinery hire fleet in Wales, and the HC-AG135 has become our standard fitment for 50HP rotary mower applications. Customers return equipment in better condition than they used to, which tells us the blades are staying engaged properly throughout the hire period.”<\/p>\n

\u2014 Rhys T., Fleet Director, Swansea, Wales<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Manufacturing Capability & Custom Gearbox Solutions<\/h2>\n
\"Agricultural<\/div>\n

Our manufacturing facility operates a fully vertically integrated production process for agricultural gearboxes, combining CNC gear grinding centres, robotic welding bays, and precision coordinate measuring machines within a controlled production environment. Every HC-AG135 unit passes through a 100% torque-load bench test before despatch, with documentation traceable to individual batch gear sets. For UK agricultural equipment manufacturers, OEM machinery brands, and fleet operators with specialist requirements, we offer a comprehensive customisation service covering gear ratio modification, alternative shaft configurations, housing material upgrades, custom mounting flange patterns, and OEM branding. Whether you require a single prototype or a high-volume supply arrangement, our engineering team can work from your drawings or develop new designs from functional specifications. Contact us to discuss your requirements and receive a tailored quotation.<\/p>\n

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Need a Custom Lawn Mower Gearbox for Your UK Operation?<\/p>\n

Send your specifications and we will respond with a detailed price and lead time within 24 hours.<\/p>\n<\/div>\n

Richiedi un preventivo<\/a><\/p>\n<\/div>\n<\/div>\n

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Domande frequenti<\/h2>\n

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

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What is the price of the HC-AG135 lawn mower gearbox and do you offer bulk order discounts for UK buyers?<\/p>\n

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The price of the HC-AG135 varies depending on order quantity, customisation requirements, and shipping destination within the United Kingdom. We offer tiered pricing with meaningful discounts for orders of 10 units or more, and further reductions apply at OEM contract volumes. To receive an accurate quote tailored to your specific requirements, please contact us directly at sales@pto-drive-shafts.com<\/a>.<\/p>\n<\/div>\n<\/div>\n

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Which tractors commonly used on UK farms is the HC-AG135 rotary mower gearbox compatible with?<\/p>\n

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The HC-AG135 uses a standard 1 3\/8-inch Z6 spline input shaft, which is the most common PTO interface found on tractors popular in the UK market, including John Deere 5 and 6 Series, Massey Ferguson 5700 and 6700 series, New Holland T5 and T6 range, and Fendt 200 and 300 Vario models. Tractors with 540 rpm PTO output and 50HP-or-above rating are directly compatible without adapters.<\/p>\n<\/div>\n<\/div>\n

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How long does delivery take if I order an HC-AG135 agricultural gearbox for delivery to a farm in England or Scotland?<\/p>\n

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Standard delivery to the United Kingdom typically takes 15 to 25 working days depending on the port of departure and customs clearance times. For urgent seasonal requirements \u2014 such as mid-harvest gearbox replacement \u2014 we advise contacting us to discuss expedited shipping options or availability of pre-stocked units through regional distribution partners. Get in touch as early as possible before your peak cutting season to avoid supply delays.<\/p>\n<\/div>\n<\/div>\n

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Can I get a custom gear ratio or modified shaft configuration on the HC-AG135 for a specialist mower application?<\/p>\n

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Yes. Our engineering and manufacturing team offers full product customisation including alternative gear ratios, modified shaft dimensions, different spline standards, non-standard housing configurations, and OEM-branded components. This service is available to machinery manufacturers, OEM brand holders, and large fleet operators. Please provide your technical drawings or functional specification when requesting a quote to speed up the engineering review process.<\/p>\n<\/div>\n<\/div>\n

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Where can I find a reliable supplier of replacement lawn mower gearboxes for agricultural contractors operating in the UK?<\/p>\n

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Agricultural contractors and machinery dealers across England, Scotland, and Wales source replacement rotary mower gearboxes directly from specialist manufacturers such as agriculturalgearboxes.top. Buying directly from the manufacturer rather than through multi-tier distributors typically results in lower unit costs, access to technical support, and shorter lead times, particularly important during the busy May-to-September mowing season when replacement gearboxes are in peak demand. Contact us at sales@pto-drive-shafts.com<\/a> to discuss a supply arrangement.<\/p>\n<\/div>\n<\/div>\n

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What maintenance does the HC-AG135 lawn mower gearbox require during a typical UK cutting season?<\/p>\n

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Under normal operating conditions, the HC-AG135 requires an oil level check before each season and an oil change approximately every 500 hours of operation or at the end of each season, whichever comes first. The unit is filled with EP90 or equivalent gear oil at factory despatch. Bearing condition should be assessed during seasonal service checks. The sealed housing minimises contaminant ingress, which significantly reduces service frequency compared to older unsealed designs commonly encountered on legacy UK mower fleets.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Source the HC-AG135 Lawn Mower Gearbox Today<\/h2>\n

Trusted by agricultural contractors and machinery dealers across the UK. Request pricing, technical data packs, or a customisation consultation from our engineering team.<\/p>\n

\ud83d\udce7 Get a Quote \u2014 sales@pto-drive-shafts.com<\/a><\/p>\n<\/div>\n

modifica a cura di gzl<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

HC-AG135 Lawn Mower Gearbox \u2014 50HP, 1:1 ratio, 540 rpm, 1 3\/8 Z6 spline. Heavy-duty rotary mower gearbox for UK contractors. Custom options available. Get a quote today!<\/p>","protected":false},"featured_media":4174,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2002],"product_tag":[],"class_list":["post-4173","product","type-product","status-publish","has-post-thumbnail","product_cat-lawn-mower-series-gearbox","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/product\/4173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/comments?post=4173"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/media\/4174"}],"wp:attachment":[{"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/media?parent=4173"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/product_brand?post=4173"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/product_cat?post=4173"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/it\/wp-json\/wp\/v2\/product_tag?post=4173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}