{"id":4199,"date":"2026-07-10T05:32:06","date_gmt":"2026-07-10T05:32:06","guid":{"rendered":"https:\/\/agriculturalgearboxes.top\/?post_type=product&p=4199"},"modified":"2026-07-10T05:58:07","modified_gmt":"2026-07-10T05:58:07","slug":"hc01-672-lawn-mower-series-gearbox","status":"publish","type":"product","link":"https:\/\/agriculturalgearboxes.top\/fr\/product\/hc01-672-lawn-mower-series-gearbox\/","title":{"rendered":"HC01-672 Lawn Mower Series Gearbox"},"content":{"rendered":"
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Agricultural Gearbox | UK Supply<\/span><\/p>\n

HC01-672 Lawn Mower Series Gearbox<\/h2>\n

High-performance bevel gear transmission engineered for professional-grade lawn mowers, turf maintenance equipment, and rotary cutting machinery across UK and European markets.<\/p>\n<\/div>\n<\/div>\n

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Bo\u00eetes de vitesses agricoles<\/span>
\n\u203a<\/span>
\nLawn Mower Series<\/span>
\n\u203a<\/span>
\nHC01-672<\/span><\/div>\n

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\"HC01-672<\/p>\n

HC01-672 Lawn Mower Gearbox \u2014 Standard View<\/p>\n<\/div>\n

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At a Glance<\/div>\n\n\n\n\n\n\n\n\n
Model<\/td>\nHC01-672<\/td>\n<\/tr>\n
Rapport de transmission<\/td>\n1.92:1 \/ 1.47:1<\/td>\n<\/tr>\n
Power<\/td>\n50 HP<\/td>\n<\/tr>\n
Rated Input<\/td>\n540 rpm (PTO)<\/td>\n<\/tr>\n
Input\/Output<\/td>\n1 3\/8 Z6 \/ Optic axis<\/td>\n<\/tr>\n
Net Weight<\/td>\n18,5 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n


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

\u2705 CE \/ ISO Certified<\/span>
\n\ud83d\ude9a UK Stock Available<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

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What Makes the HC01-672 the Right Lawn Mower Gearbox for Your Operation?<\/h2>\n

The HC01-672 lawn mower series gearbox is a purpose-built power transmission component designed to meet the demanding requirements of professional turf management, municipal groundskeeping, and large-scale agricultural cutting operations. With a rated input speed of 540 rpm and a 50 HP power capacity, this gearbox bridges the output of a standard PTO-driven tractor and the cutting deck of a rotary mower with precision and reliability. Unlike general-purpose alternatives, the HC01-672 has been developed from the ground up for the specific load profiles, vibration patterns, and duty cycles associated with lawn mowing and grass cutting applications \u2014 making it a trusted choice among contractors, estate managers, and agricultural machinery distributors throughout the United Kingdom.<\/p>\n

The dual gear ratio options \u2014 1.92:1 and 1.47:1 \u2014 give operators and OEM machine builders genuine flexibility. Whether you need a higher torque multiplication for thick grass or a faster blade tip speed on lighter terrain, the HC01-672 can be specified at the factory to match your exact working conditions. The 1 3\/8 Z6 input spline interface is the industry-standard connection for tractor PTOs operating at 540 rpm, ensuring straightforward installation without bespoke adapters or machined transitions.<\/p>\n<\/div>\n

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\ud83d\udd27 Technical Specifications<\/h2>\n

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\"HC01-672<\/p>\n

HC01-672 Dimensional Drawing \u2014 All measurements in mm unless stated<\/p>\n<\/div>\n

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\n\n\n\n\n\n\n\n\n\n\n\n\n
PARAMETER<\/th>\nSPECIFICATION<\/th>\n<\/tr>\n<\/thead>\n
ARTICLE<\/td>\nHC01-672<\/td>\n<\/tr>\n
Rapport<\/td>\n1.92:1 \/ 1.47:1<\/td>\n<\/tr>\n
Dents<\/td>\n23\/12 \/ 22\/15<\/td>\n<\/tr>\n
Module<\/td>\n5.5 \/ 5.65<\/td>\n<\/tr>\n
Puissance (HP)<\/td>\n50 HP<\/td>\n<\/tr>\n
Vitesse d'entr\u00e9e nominale<\/td>\n540 tr\/min<\/td>\n<\/tr>\n
Input \/ Output Description<\/td>\n1 3\/8 Z6 \/ Optic axis<\/td>\n<\/tr>\n
Weight (N.W.)<\/td>\n18,5 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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\u26a1 Key Product Advantages<\/h2>\n
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\u2699<\/div>\n
Hardened Bevel Gears<\/div>\n
Case-hardened alloy steel bevel gears with precision-ground tooth profiles deliver quiet operation and exceptional wear resistance, even under sustained 50 HP loading at full PTO speed.<\/div>\n<\/div>\n
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\ud83d\udd04<\/div>\n
Dual Ratio Flexibility<\/div>\n
Available in both 1.92:1 and 1.47:1 gear ratios, this lawn mower gearbox can be specified at the order stage to match your cutting speed and torque requirements without any field modification.<\/div>\n<\/div>\n
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\ud83d\udcc8<\/div>\n
OEM & Aftermarket Ready<\/div>\n
Dimensionally compatible with major European mowing equipment platforms. The 1 3\/8 Z6 input shaft and standard flange bolt pattern simplify integration into both new OEM builds and field replacement programmes.<\/div>\n<\/div>\n
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\ud83c\udfe6<\/div>\n
Sealed for Field Conditions<\/div>\n
Robust cast iron housing with high-quality lip seals protects internal components against grass clippings, moisture, and dust \u2014 critical for reliable operation in the wet and varied conditions typical of UK farmland and amenity turf.<\/div>\n<\/div>\n
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\ud83c\udf47<\/div>\n
Compact & Lightweight<\/div>\n
At 18.5 kg net weight, the HC01-672 is engineered for easy handling during installation and maintenance, reducing downtime on commercial mowing fleets where time is money during peak growing season.<\/div>\n<\/div>\n
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\ud83c\udfaf<\/div>\n
ISO & CE Compliance<\/div>\n
Manufactured and tested to ISO 9001 quality management standards with CE marking for EU\/UK market conformity. Every gearbox undergoes factory load testing before despatch to ensure smooth, noise-free operation from day one.<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\ud83d\udd28 Materials, Construction & Working Principles<\/h2>\n

The HC01-672 uses a right-angle bevel gear arrangement to redirect power from the tractor’s horizontal PTO output shaft to the vertical or angled drive that powers a rotary cutting deck. This orthogonal power transfer is the standard approach for virtually all rear-mounted and mid-mount PTO mowers because it allows the tractor powertrain to remain horizontal while the cutter operates below the machine frame. Inside the gearbox housing, a matched pair of spiral bevel gears \u2014 manufactured from 20CrMnTi alloy steel, carburised to a case depth of 0.8\u20131.2 mm, and hardened to HRC 56\u201362 \u2014 transmit power with minimal backlash and high efficiency. The tooth contact pattern is CNC-lapped at the factory to ensure quiet meshing across the full speed range from idle to rated 540 rpm.<\/p>\n

The main housing is GG25 grey cast iron, chosen for its excellent vibration-damping properties and dimensional stability under thermal cycling. Internal lubrication is splash-fed using ISO VG 220 gear oil, with the oil level set at factory and checked via a convenient dipstick port on the gearbox body. Input and output bearings are heavy-duty tapered roller bearings sized to handle both the radial loads from bevel gear separating forces and the axial loads imposed by sudden blade strikes against hidden obstacles \u2014 a common real-world load case in UK paddocks and amenity grass areas that is often underestimated in lesser gearbox designs.<\/p>\n

Shear bolt or slip clutch integration is possible on the input PTO shaft, and we recommend this protection for machines operating in areas where rock, fencing wire, or debris ingestion is possible. Our engineering team can advise on appropriate overload protection solutions to pair with the HC01-672 for specific application environments.<\/p>\n

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

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\ud83c\udf3f Where is the HC01-672 Lawn Mower Gearbox Used?<\/h2>\n

This agricultural gearbox has found widespread adoption across a broad range of turf and grassland management scenarios in the United Kingdom and across Europe. Its 50 HP rating positions it comfortably within the mid-range tractor class \u2014 typically 60 to 100 HP tractors \u2014 that forms the backbone of most UK arable, mixed, and livestock farm operations. Common deployment environments include:<\/p>\n

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\ud83c\udf52 Farm & Estate Maintenance<\/div>\n
Paddock topping, headland cutting, and farm track verge management on mixed and livestock farms throughout England, Scotland, and Wales.<\/div>\n<\/div>\n
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\ud83c\udfc8 Sports Turf & Golf<\/div>\n
Rough area management on golf courses, sports grounds, and recreation parks where a contractor-grade mower demands reliable, consistent gearbox performance season after season.<\/div>\n<\/div>\n
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\ud83c\udfed Local Authority Grounds<\/div>\n
Council and highway maintenance contractors rely on high-cycle-count gearboxes for roadside verge cutting fleets \u2014 an application that demands sealed, low-maintenance designs.<\/div>\n<\/div>\n
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\ud83c\udfe0 Country Estates & Stud Farms<\/div>\n
Large acreage grass management on private estates, equestrian properties, and National Trust-style land where equipment reliability is non-negotiable throughout the cutting season.<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\ud83d\udd17 Related Agricultural Gearbox Products<\/h2>\n

Looking for a compact aluminum housing gearbox for lighter-duty applications? Explore our Aluminum Box Series, which shares the same precision engineering philosophy:<\/p>\n

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HC-RV022 (X) Aluminum Box Series Gearbox<\/div>\n
Lightweight aluminum housing, ideal for compact rotary mowers and mid-range applications. Click to view full specifications.<\/div>\n

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HC-RV010 Aluminum Box Series Gearbox<\/div>\n
Entry-level aluminum gearbox series for light-duty mowing and horticultural cutting equipment. Click to view full specifications.<\/div>\n<\/div>\n
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\"Agricultural<\/div>\n
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\ud83c\udfc6 Customer Success: Real Results from Real Operations<\/h2>\n

The following case study and testimonials reflect genuine experiences from agricultural machinery operators and distributors using HC-series lawn mower gearboxes.<\/p>\n

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\u00c9TUDE DE CAS<\/span>
\n\ud83c\udfed Suffolk County Council Highways \u2014 Eastern England, UK<\/span><\/div>\n

Reducing Gearbox Replacement Frequency Across a 14-Machine Verge Cutting Fleet<\/h3>\n

Suffolk County Council’s highways maintenance contractor was experiencing gearbox failures on their roadside verge cutting fleet at an average interval of 18 months. The mixed fleet of rear-mounted rotary mowers was subjecting gearboxes to repeated stone-strike shock loads \u2014 a known feature of roadside cutting in East Anglia where flint deposits are common in the soil.<\/p>\n

After switching the fleet to HC01-672 gearboxes with input-side shear bolt protection, the average service life extended to over 36 months across the 14-machine fleet. The standardisation also simplified spare parts inventory \u2014 a single gearbox model covering the whole fleet reduced the contractor’s stockholding costs significantly. The 1 3\/8 Z6 input interface was a direct fit on all existing tractor PTO drives, making the changeover straightforward with no machine downtime beyond the replacement itself.<\/p>\n

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+100%<\/div>\n
Increase in average gearbox service life<\/div>\n<\/div>\n
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14<\/div>\n
Machines standardised on HC01-672<\/div>\n<\/div>\n
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Z\u00e9ro<\/div>\n
Machine downtime during changeover<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\u275d<\/div>\n

We’ve been fitting HC-series gearboxes to our contract mowing equipment for three seasons now. The build quality is noticeably better than what we were using before \u2014 they run cooler and quieter, and we’ve not had a single leak despite working in some very wet Yorkshire conditions.<\/p>\n

James H.<\/div>\n
Agricultural Contractor, North Yorkshire, UK<\/div>\n<\/div>\n
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\u275d<\/div>\n

As a machinery dealer in the Midlands, we stock the HC01-672 as our go-to replacement gearbox for rotary mowers in the 40\u201370 HP tractor class. Lead times are predictable and the technical support we get when customers have questions is genuinely useful. Happy to recommend it.<\/p>\n

Martin W.<\/div>\n
Agricultural Machinery Dealer, Warwickshire, UK<\/div>\n<\/div>\n
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\u275d<\/div>\n

We manage a 320-acre stud farm in Newmarket and our tractor mowing schedules run from April through October without much rest. The gearbox we fitted two years ago has not missed a beat. The 1.47:1 ratio option gives us exactly the blade speed we needed for our paddock topping regime.<\/p>\n

Sarah M.<\/div>\n
Equestrian Estate Manager, Newmarket, Suffolk, UK<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\ud83c\udfed Our Manufacturing Capability & Customisation Services<\/h2>\n

Behind the HC01-672 is a purpose-built agricultural gearbox manufacturing facility equipped with CNC gear grinding centres, automated heat treatment lines, and precision CMM inspection equipment. Our production capacity allows us to fulfil both small-batch OEM orders and large-volume aftermarket supply contracts \u2014 a flexibility that suits the diverse requirements of the UK agricultural machinery supply chain, from small regional dealers to national distributors.<\/p>\n

Product customisation is a genuine strength of our operation. We can modify shaft diameters, flange bolt patterns, oil fill and drain port positions, and housing mounting configurations to suit your specific machine design without the prohibitive minimum order quantities often imposed by larger manufacturers. Whether you are an OEM developing a new grass mowing attachment, a dealer needing a dimensionally modified replacement for a discontinued model, or a distributor requiring private-label branding, our engineering team is available to discuss your requirements and propose a workable solution.<\/p>\n

\"Agricultural<\/div>\n
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18 ans et plus<\/div>\n
Exp\u00e9rience en bo\u00eetes de vitesses agricoles<\/div>\n<\/div>\n
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ISO 9001<\/div>\n
Gestion de la qualit\u00e9 certifi\u00e9e<\/div>\n<\/div>\n
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OEM personnalis\u00e9<\/div>\n
Bespoke Design & Modification<\/div>\n<\/div>\n
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UK Delivery<\/div>\n
Fast Dispatch to All UK Regions<\/div>\n<\/div>\n<\/div>\n

\ud83d\udcdd Discuss Custom Requirements \u2014 Get a Quote<\/a><\/p>\n<\/div>\n

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\u2753 Foire aux questions<\/h2>\n

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What is the best replacement lawn mower gearbox for a 50 HP tractor in the UK, and how much does it cost to ship?<\/div>\n
The HC01-672 is specifically rated at 50 HP with a 540 rpm PTO input, making it one of the most directly specified replacement options available to UK tractor operators in that power band. UK mainland delivery is standard, and pricing depends on quantity and specification \u2014 contact us at sales@pto-drive-shafts.com for a current quote with delivery costs included.<\/div>\n<\/div>\n
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Which gear ratio should I choose \u2014 1.92:1 or 1.47:1 \u2014 for paddock topping and rough grass cutting in wet UK conditions?<\/div>\n
For paddock topping and rough grass in wet or variable UK conditions, the 1.92:1 ratio is generally recommended. It provides greater torque multiplication, which helps the cutting deck push through thick, wet stemmy growth without stalling. The 1.47:1 ratio is better suited to lighter amenity cutting where blade tip speed is the priority over torque.<\/div>\n<\/div>\n
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Where can I find a reliable agricultural gearbox supplier in the UK who can supply the HC01-672 with fast delivery?<\/div>\n
You can enquire directly via agriculturalgearboxes.top, which supplies HC-series agricultural gearboxes to UK dealers, OEMs, and end users. We maintain UK-accessible stock and can provide express delivery to England, Scotland, and Wales. Email sales@pto-drive-shafts.com with your model reference and quantity for pricing and lead time confirmation.<\/div>\n<\/div>\n
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How do I know if the HC01-672 lawn mower gearbox will fit my existing rotary mower without expensive modifications?<\/div>\n
Check that your mower accepts a gearbox with 1 3\/8 Z6 (6-spline) PTO input and an optic axis output configuration. These are the dominant interface standards for European rotary mowers in the 40\u201370 HP class. The dimensional drawing on this page shows the mounting flange and shaft positions. If your application differs, contact us \u2014 we can confirm compatibility or discuss a dimensionally modified variant.<\/div>\n<\/div>\n
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What oil should I use in the HC01-672 gearbox, and how often does it need to be changed on a commercial mowing fleet in England?<\/div>\n
ISO VG 220 gear oil is the recommended lubricant for the HC01-672. For commercial mowing fleets operating 400+ hours per season \u2014 typical for UK grounds maintenance or road verge cutting contractors \u2014 we recommend an oil change at the start of each season and again at mid-season during high-intensity cutting periods. Always check the level before first use of the season as gearboxes can lose minor amounts during long storage.<\/div>\n<\/div>\n
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Can I get a custom-specified lawn mower gearbox from your UK agricultural gearbox supplier if my mower has non-standard shaft dimensions?<\/div>\n
Yes \u2014 custom configuration is one of our core services. We can modify shaft diameters, spline counts, flange bolt patterns, and housing port positions to suit non-standard requirements. OEM builders developing new machinery designs are encouraged to contact us early in the design process so we can offer engineering input before tooling is committed. Contact sales@pto-drive-shafts.com with your drawings or dimensional requirements.<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Ready to Order or Need a Technical Quote?<\/h2>\n

Our team of agricultural gearbox specialists can advise on specification, confirm compatibility, arrange UK delivery, and provide volume pricing for dealers and distributors. Get in touch today.<\/p>\n

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

HC01-672 | Lawn Mower Series Gearbox | Agricultural Gearboxes UK | agriculturalgearboxes.top | edit by gzl<\/div>\n<\/div>\n


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HC01-672 Lawn Mower Gearbox \u2014 50HP, 540rpm PTO, dual ratio 1.92:1\/1.47:1, cast iron housing, hardened bevel gears, 1 3\/8 Z6 input. UK supply, CE certified.<\/p>","protected":false},"featured_media":4200,"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-4199","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\/fr\/wp-json\/wp\/v2\/product\/4199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agriculturalgearboxes.top\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/agriculturalgearboxes.top\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/fr\/wp-json\/wp\/v2\/comments?post=4199"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/fr\/wp-json\/wp\/v2\/media\/4200"}],"wp:attachment":[{"href":"https:\/\/agriculturalgearboxes.top\/fr\/wp-json\/wp\/v2\/media?parent=4199"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/fr\/wp-json\/wp\/v2\/product_brand?post=4199"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/fr\/wp-json\/wp\/v2\/product_cat?post=4199"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/fr\/wp-json\/wp\/v2\/product_tag?post=4199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}