{"id":4179,"date":"2026-07-09T05:03:06","date_gmt":"2026-07-09T05:03:06","guid":{"rendered":"https:\/\/agriculturalgearboxes.top\/?post_type=product&p=4179"},"modified":"2026-07-09T05:26:20","modified_gmt":"2026-07-09T05:26:20","slug":"hc-rc61t-lawn-mower-series-gearbox","status":"publish","type":"product","link":"https:\/\/agriculturalgearboxes.top\/uk\/product\/hc-rc61t-lawn-mower-series-gearbox\/","title":{"rendered":"HC-RC61T Lawn Mower Series Gearbox"},"content":{"rendered":"
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Agricultural Machinery \u2022 UK Supplier<\/div>\n

HC-RC61T Lawn Mower Series Gearbox<\/h2>\n

Heavy-duty 60HP agricultural gearbox engineered for commercial lawn mowers, rotary cutters and wide-area grass management machinery across the UK and Europe.<\/p>\n

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\"HC-RC61TThe HC-RC61T is a purpose-built lawn mower gearbox delivering 60HP of rated power at 540rpm input speed, designed to handle the punishing load cycles of commercial and agricultural grass cutting operations. With four ratio options ranging from 1:1 through to 1:1.93, this unit suits a broad spectrum of cutting deck configurations \u2014 from compact ride-on mowers to large-scale flail and rotary wing machines used across British estates, local authority contracts and farm maintenance programmes. Its robust gear train, high-quality steel housing and precision-cut teeth deliver dependable power transmission season after season, minimising downtime during peak cutting windows in spring and summer.<\/p>\n<\/div>\n

Technical Enquiry<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Why the HC-RC61T Outperforms Standard Lawn Mower Gearboxes<\/h2>\n

Tested across commercial turf management and agricultural mowing applications in the UK market.<\/p>\n

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Four Selectable Ratios<\/h3>\n

Ratios of 1:1, 1:1.21, 1:1.46 and 1:1.93 let operators match blade tip speed precisely to grass type, sward density and cutting width \u2014 vital for contractors handling varied terrain across UK estates and local authority sites.<\/p>\n<\/div>\n

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60HP Continuous Rating<\/h3>\n

Rated for 60 horsepower at the gearbox shaft, the HC-RC61T maintains thermal stability under prolonged load \u2014 essential for large-area contracts where machines run 8-hour shifts without an adequate cool-down period between passes.<\/p>\n<\/div>\n

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Standard 1 3\/8 Z6 Spline Interface<\/h3>\n

Both input and output shafts use the industry-standard 1 3\/8″ Z6 spline connection, making the HC-RC61T a direct drop-in replacement for worn gearboxes on most European-manufactured lawn mowing and mulching equipment without shaft modification.<\/p>\n<\/div>\n

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Precision Gear Module 7.0 \/ 5.5<\/h3>\n

High module gear teeth (7.0 across three ratio options; 5.5 on the overdrive variant) distribute contact stress over a greater tooth face, reducing the risk of pitting, spalling and premature wear even under shock loads generated when blades strike stones or buried debris.<\/p>\n<\/div>\n

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Compact & Manageable Weight<\/h3>\n

At 33.5 kg net weight, the HC-RC61T strikes a practical balance between structural rigidity and ease of field installation. Service engineers can swap the unit in the field with standard workshop tooling, keeping machinery back in service quickly during busy mowing seasons.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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All data as per factory test certification. Parameters below reflect the full range across ratio variants.<\/p>\n

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\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n\u0421\u043f\u0435\u0446\u0438\u0444\u0456\u043a\u0430\u0446\u0456\u044f<\/th>\n<\/tr>\n<\/thead>\n
\u0415\u043b\u0435\u043c\u0435\u043d\u0442<\/td>\nHC-RC61T<\/td>\n<\/tr>\n
\u0421\u043f\u0456\u0432\u0432\u0456\u0434\u043d\u043e\u0448\u0435\u043d\u043d\u044f<\/td>\n1:1 \/ 1:1.21 \/ 1:1.46 \/ 1:1.93<\/td>\n<\/tr>\n
\u0417\u0443\u0431\u0438<\/td>\n16\/16 \u00a0|\u00a0 17\/14 \u00a0|\u00a0 19\/13 \u00a0|\u00a0 27\/14<\/td>\n<\/tr>\n
\u041c\u043e\u0434\u0443\u043b\u044c<\/td>\n7.0 \/ 7.0 \/ 7.0 \/ 5.5<\/td>\n<\/tr>\n
Power (HP)<\/td>\n60<\/td>\n<\/tr>\n
\u041d\u043e\u043c\u0456\u043d\u0430\u043b\u044c\u043d\u0430 \u0432\u0445\u0456\u0434\u043d\u0430 \u0448\u0432\u0438\u0434\u043a\u0456\u0441\u0442\u044c<\/td>\n540 rpm<\/td>\n<\/tr>\n
Input \/ Output Description<\/td>\n1 3\/8 Z6 \/ 1 3\/8 Z6<\/td>\n<\/tr>\n
Weight (N.W.)<\/td>\n33.5 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Engineering Drawing \u2014 HC-RC61T<\/p>\n

\"HC-RC61T<\/p>\n<\/div>\n<\/div>\n

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Engineering Principle, Materials & Field Applications<\/h2>\n
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\ud83d\udd06 Operating Principle<\/h3>\n

Power enters the HC-RC61T through a 540 rpm PTO-driven input shaft via a 1 3\/8 Z6 spline coupling. The helical-cut bevel gear pair translates rotational energy through a right-angle change of direction, then delivers it to the blade shaft through the output spline. The specific gear pairing chosen at manufacture determines the final speed multiplication ratio, which governs blade tip speed and therefore cut quality. A cast iron or ductile iron housing encloses the gear train, retaining EP gear oil under all operating inclinations. Dual shaft seals at both input and output prevent ingress of moisture and abrasive crop material \u2014 a common failure point on lower-grade mower gearboxes used across British agriculture.<\/p>\n<\/div>\n

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\u2696 Materials & Build Quality<\/h3>\n

Gear teeth are hobbed from case-hardened alloy steel and then ground to DIN class tolerances. Surface hardness typically reaches 58-62 HRC on the tooth flanks, leaving a tougher, ductile core beneath that absorbs impact energy rather than fracturing. The housing walls are finished to RMS standards, which prevents stress concentration around bolt bosses and mounting faces. All threaded inserts are steel regardless of housing material, preventing thread stripping during routine oil changes \u2014 a maintenance reality on UK farms where gearboxes may be serviced in cold, wet conditions without specialist equipment.<\/p>\n<\/div>\n

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\ud83c\udf3f Field Application Scenarios<\/h3>\n

The HC-RC61T suits tractor-mounted and self-propelled mowing platforms used in commercial turf management, roadside verge cutting contracts, sports pitch maintenance and upland farm pasture trimming. It fits common rotary disc mowers, flail mulchers, wing mowers and three-point linkage finishing decks operating from 45HP to 75HP tractors. UK groundskeeping contractors maintaining cricket outfields, golf rough areas and equestrian paddocks frequently specify this unit for its balance of cutting speed flexibility and robust build quality suited to the wet ground conditions that characterise British growing seasons.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Ratio Selection Guide \u2014 Typical UK Applications<\/h3>\n
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\u0421\u043f\u0456\u0432\u0432\u0456\u0434\u043d\u043e\u0448\u0435\u043d\u043d\u044f<\/th>\nOutput Speed vs Input<\/th>\nTypical Use Case<\/th>\n<\/tr>\n<\/thead>\n
1:1<\/td>\nDirect 540 rpm<\/td>\nHeavy flail mulchers, hard stems, bramble clearance<\/td>\n<\/tr>\n
1:1.21<\/td>\n653 rpm output<\/td>\nMedium-sward rotary mowers, paddock topping<\/td>\n<\/tr>\n
1:1.46<\/td>\n788 rpm output<\/td>\nAmenity grass, council verge mowing, sports pitches<\/td>\n<\/tr>\n
1:1.93<\/td>\n1,042 rpm output<\/td>\nFinishing decks, fine turf, cricket outfields, golf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\"Agricultural<\/p>\n

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Related Agricultural Gearboxes<\/h2>\n
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HC-RV022 (X) Aluminium Box Gearbox<\/h3>\n

Lightweight aluminium housing gearbox for compact and mid-range rotary applications where reduced unsprung weight is a priority.<\/p>\n

View HC-RV022 (X)<\/a><\/p>\n<\/div>\n

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HC-RV010 Aluminium Box Gearbox<\/h3>\n

Proven aluminium series gearbox widely used in light-duty agricultural mowing and vegetation management equipment across Europe.<\/p>\n

View HC-RV010<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Customer Success \u2014 Real Applications Across the UK<\/h2>\n

The HC-RC61T has been deployed across UK commercial groundskeeping and agricultural operations since its introduction.<\/p>\n

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Yorkshire Estate Management Company \u2014 Commercial Lawn Care Fleet Upgrade<\/h3>\n

North England \u2022 Grounds Maintenance \u2022 2024<\/p>\n

A Yorkshire-based estate and grounds management contractor operating across six large private estates in the Harrogate and Ripon area was experiencing repeated gearbox failures on their three-wing rotary mowing units mid-season. The previous supplier’s units were failing at the input shaft seals after approximately 120 working hours, resulting in oil loss and bearing contamination. After switching to the HC-RC61T in the 1:1.46 ratio configuration, the contractor completed a full 350-hour season without a single gear unit failure across their fleet of seven machines. The standardised 1 3\/8 Z6 shaft interface also eliminated the need for bespoke adaptors previously required when mixing gearbox brands across the fleet.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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“We run three of these on our verge cutting fleet for a county highways contract. Last season we covered over 400 km of verge with no gearbox issues at all. The drop-in fit saved us time on the initial installation and the units have held up well against the kerb strikes we inevitably get.”<\/p>\n

D. Hargreaves<\/p>\n

Fleet Manager, County Highways Contractor \u2014 Yorkshire, England<\/p>\n<\/div>\n

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“Good quality, reasonable lead time from order to delivery in the UK. We specified the 1:1.93 ratio for our cricket ground finishing deck and the cut quality at that output speed is excellent. Build quality noticeably better than the previous units we were using.”<\/p>\n

P. Ashworth<\/p>\n

Head Groundsman, Private Cricket Club \u2014 Lancashire, England<\/p>\n<\/div>\n

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“We manage equestrian grazing land and use a flail topper to keep dock and thistle under control. The HC-RC61T at 1:1 ratio handles the heavy stemmed material without the overheating issues we had with a previous Chinese gearbox. The after-sales support when we had a query about oil grade was prompt and knowledgeable.”<\/p>\n

S. Moran<\/p>\n

Farm Manager, Equestrian Estate \u2014 Shropshire, England<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Manufacturing Facility & Custom Gearbox Solutions<\/h2>\n

Our facility produces standard and fully bespoke agricultural gearboxes for OEM and aftermarket supply into the UK market.<\/p>\n

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Custom Ratios<\/p>\n

Non-standard gear ratios available on request for specialist OEM mowing equipment builds<\/p>\n<\/div>\n

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Private Label<\/p>\n

OEM branding, custom colour coatings and modified mounting flanges for brand integration<\/p>\n<\/div>\n

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Modified Shafts<\/p>\n

Alternative shaft sizes, keyway specifications and spline standards to match existing equipment interfaces<\/p>\n<\/div>\n

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Volume Orders<\/p>\n

Competitive pricing on batch orders for agricultural OEMs and machinery dealers supplying the UK trade<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Ready to order or need a technical quotation?<\/p>\n

Our agricultural gearbox team serves UK buyers, distributors and OEMs. Enquire today for pricing, lead times and custom options.<\/p>\n

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HC-RC61T lawn mower gearbox \u2014 60HP, 4 ratios (1:1\u20131:1.93), 1 3\/8 Z6 spline. Built for UK commercial mowing. Drop-in fit. Custom options available. Get a quote today.<\/p>","protected":false},"featured_media":4180,"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-4179","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\/uk\/wp-json\/wp\/v2\/product\/4179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agriculturalgearboxes.top\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/agriculturalgearboxes.top\/uk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/uk\/wp-json\/wp\/v2\/comments?post=4179"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/uk\/wp-json\/wp\/v2\/media\/4180"}],"wp:attachment":[{"href":"https:\/\/agriculturalgearboxes.top\/uk\/wp-json\/wp\/v2\/media?parent=4179"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/uk\/wp-json\/wp\/v2\/product_brand?post=4179"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/uk\/wp-json\/wp\/v2\/product_cat?post=4179"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/agriculturalgearboxes.top\/uk\/wp-json\/wp\/v2\/product_tag?post=4179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}