{"id":4101,"date":"2026-07-08T05:54:22","date_gmt":"2026-07-08T05:54:22","guid":{"rendered":"https:\/\/agriculturalgearboxes.top\/?post_type=product&p=4101"},"modified":"2026-07-08T06:02:42","modified_gmt":"2026-07-08T06:02:42","slug":"hc-01-084-pit-digger-gearbox","status":"publish","type":"product","link":"https:\/\/agriculturalgearboxes.top\/fr\/product\/hc-01-084-pit-digger-gearbox\/","title":{"rendered":"HC-01-084 Pit Digger Gearbox"},"content":{"rendered":"
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Agricultural Machinery & Drivetrain Solutions<\/span><\/p>\n

HC-01-084 Pit Digger Gearbox<\/h2>\n

Heavy-Duty Agricultural Gearbox for Auger & Post-Hole Drilling \u2014 50HP \/ 4:1 Ratio \/ 540 RPM PTO Compatible<\/p>\n

\ud83d\udce7 Demander un devis<\/a><\/p>\n<\/div>\n<\/div>\n

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\"HC-01-084The HC-01-084 Pit Digger Gearbox is a purpose-built agricultural gearbox engineered for demanding soil-drilling, post-hole digging, and auger applications across UK farms, groundworks contractors, and rural land management operations. Rated at 50HP with a 4:1 reduction ratio and a standard 540 rpm PTO input, this unit delivers the torque multiplication and mechanical reliability that professional operators depend on \u2014 season after season. Whether you are fitting it to a tractor-mounted earth auger, a fence-post borer, or a tree-planting attachment, the HC-01-084 is designed to handle heavy clay soils, stony ground, and sustained continuous duty cycles without compromise. Built from precision-machined components, the gearbox integrates an 11\/44 tooth gear set (Module 5.0) and a 1 3\/8 Z6 splined input shaft with optic output axis, ensuring direct compatibility with standard Category 1 and Category 2 PTO drive shafts used throughout British agriculture.<\/p>\n

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Demander un devis \u2014 sales@agriculturalgearboxes.top<\/a><\/div>\n<\/div>\n

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Why UK Agricultural Operators Choose the HC-01-084<\/h2>\n
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High Torque at Low Speed<\/h3>\n

A 4:1 gear ratio steps down PTO speed while multiplying torque output \u2014 ideal for breaking through compacted or stony British soils without stalling or overheating.<\/p>\n<\/div>\n

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Universal PTO Compatibility<\/h3>\n

The 1 3\/8 Z6 splined input shaft is the standard found on virtually every UK tractor from 30HP to 120HP, making installation straightforward across John Deere, New Holland, Massey Ferguson, and Fendt platforms.<\/p>\n<\/div>\n

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Precision Gear Machining<\/h3>\n

An 11\/44 tooth mesh at Module 5.0 delivers smooth, low-vibration power transfer. CNC hobbing ensures tooth profile accuracy that extends service life and reduces maintenance costs over the long term.<\/p>\n<\/div>\n

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50HP Rated Performance<\/h3>\n

With a 50HP power rating, the HC-01-084 handles mid-range tractors running at full PTO load \u2014 suitable for professional groundworks, utility installation, and commercial orchard planting operations across England, Scotland, and Wales.<\/p>\n<\/div>\n

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Compact & Manageable Weight<\/h3>\n

At just 44 kg net weight, the HC-01-084 strikes the right balance between robustness and handling convenience \u2014 one operator can mount and dismount the unit without specialist lifting equipment in most field scenarios.<\/p>\n<\/div>\n

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Customisation Available<\/h3>\n

We supply OEM and bespoke configurations \u2014 including different output shaft profiles, mounting flange dimensions, and gear ratios \u2014 to fit specific attachment designs for UK machinery dealers and implement manufacturers.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Sp\u00e9cifications techniques<\/h2>\n

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\"HC-01-084<\/div>\n

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Param\u00e8tre<\/th>\nValue \/ Description<\/th>\n<\/tr>\n<\/thead>\n
Item Number<\/td>\nHC-01-084<\/td>\n<\/tr>\n
Rapport de transmission<\/td>\n4:1<\/td>\n<\/tr>\n
Dents<\/td>\n11 \/ 44<\/td>\n<\/tr>\n
Module<\/td>\n5.0<\/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
Net Weight<\/td>\n44 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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How the HC-01-084 Works \u2014 Principle, Materials & Field Scenarios<\/h2>\n
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\u2699 Working Principle<\/h3>\n

Power from the tractor’s PTO shaft enters the gearbox at 540 rpm through the 1 3\/8 Z6 splined input. An 11-tooth pinion meshes with a 44-tooth crown gear \u2014 a Module 5.0 spur or bevel configuration \u2014 reducing output speed by a factor of four while proportionally increasing the torque delivered to the auger or post-hole drill bit. This mechanical advantage is what enables the implement to cut through dense clay, chalk, and mixed-aggregate soils that are common across UK farmland and construction sites. Oil splash lubrication keeps gear surfaces and bearings consistently protected during continuous operation, while the cast housing dissipates heat efficiently even under sustained load. The optic output axis ensures precise alignment between the gearbox and the drill attachment, minimising vibration and eccentric wear over time.<\/p>\n<\/div>\n

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\ud83d\udd28 Materials & Construction<\/h3>\n

The HC-01-084 housing is manufactured from high-strength ductile cast iron, providing excellent rigidity against the bending forces generated during digging operations. Gears are produced from alloy steel bar stock \u2014 typically 20CrMnTi or equivalent \u2014 with carburising and quenching treatments to achieve surface hardness in the range of 58\u201362 HRC while retaining a tough, impact-resistant core. Input and output shafts are machined from alloy steel with precision-ground bearing journals. Sealed or shielded bearings are pre-lubricated and selected for compatibility with the loads encountered at 540 rpm input. All external surfaces receive a corrosion-resistant paint or coating treatment suitable for outdoor agricultural environments, including the wet, muddy conditions typical of UK field operations from October through to April.<\/p>\n<\/div>\n

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

The pit digger gearbox finds widespread use across UK agriculture and rural contracting. Fence post installation for livestock paddock division, sheep and cattle field fencing, and perimeter security fencing on arable land are among the most frequent applications. Orchard planting \u2014 particularly for apple, pear, and cherry orchards in Kent, Herefordshire, and Worcestershire \u2014 requires precise, deep-hole boring where the HC-01-084’s consistent torque delivery prevents tree root disturbance. Tree planting schemes under government agri-environment schemes (such as England’s Countryside Stewardship) also rely on post-hole borers fitted with this class of gearbox. Groundworks contractors use the unit for utility pole installation, drainage inspection point access holes, and foundation bore holes on rural building projects.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Related Agricultural Gearbox Products<\/h2>\n

If the HC-01-084 specification does not precisely match your attachment requirements, our aluminium housing gearbox range offers lighter alternatives suited to lower-load applications:<\/p>\n

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

A compact aluminium-housed gearbox offering reduced weight for lighter implements and tighter-space installations. Ideal for small tractor PTO applications and precision seeder attachments.<\/p>\n

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

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

A mid-range aluminium gearbox variant suited to rotary cultivation and light soil-working attachments. Delivers reliable power transfer with lower parasitic weight on compact tractors.<\/p>\n

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

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Customer Success: HC-01-084 in the Field<\/h2>\n

Real-world results from agricultural operators across the United Kingdom.<\/p>\n

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Featured Case Study \u2014 UK Arable Farm<\/div>\n

Midlands Livestock Farm Completes 400-Post Fencing Project in 6 Days<\/h3>\n

\"Agricultural<\/p>\n

A family-run beef and sheep enterprise in Shropshire \u2014 managing approximately 320 acres of mixed pasture and arable land \u2014 needed to re-fence seven fields following a farm diversification grant under the Farming in Protected Landscapes scheme. The contractor engaged for the project specified the HC-01-084 pit digger gearbox fitted to a 65HP Massey Ferguson 5711. Working in late-autumn conditions with waterlogged clay soil overlying a clay-with-flints subsoil, the gearbox drove a 300mm auger to consistent 800mm post depths throughout. Over six working days across two weeks, the team installed 412 posts with no gearbox-related stoppages. The farm owner commented that previous contractors using lighter gearboxes had struggled with the same ground conditions, resulting in overheating and two separate driveline failures. The HC-01-084’s rated 50HP capacity and robust cast housing proved well-matched to the task. Total project cost savings versus hiring specialist digging machinery were estimated at over \u00a32,400.<\/p>\n

\u2713 Verified Field Application \u2014 Shropshire, England<\/span><\/div>\n<\/div>\n

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“We run a Fendt 311 on orchard planting work in Worcestershire. The HC-01-084 has been on the auger rig for two seasons and has not given us a moment’s trouble. Consistent depth, no overheating \u2014 exactly what we need at this time of year.”<\/p>\n

R. Hartley<\/span>
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“Ordered three units for our groundworks division. The price-to-performance ratio is genuinely hard to beat. They arrived well-packed, specs matched the datasheet exactly, and they have held up brilliantly on rural utility cable-route boring in Scotland.”<\/p>\n

D. MacPherson<\/span>
\n \u2014 Rural Groundworks Manager, Perthshire, Scotland<\/span><\/div>\n<\/div>\n
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“We had a custom output shaft arrangement made to suit a bespoke auger head we designed in-house. The team accommodated the modification without difficulty and turnaround was fast. Would recommend to any UK machinery dealer looking for a reliable OEM gearbox supplier.”<\/p>\n

T. Blackmore<\/span>
\n \u2014 Agricultural Machinery Dealer, Lincolnshire, UK<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Notre usine de fabrication et nos capacit\u00e9s d'ing\u00e9nierie sur mesure<\/h2>\n

Our dedicated agricultural gearbox manufacturing facility operates across a purpose-built production floor equipped with CNC hobbing machines, gear grinding centres, heat treatment furnaces, and CMM inspection stations. Every HC-01-084 unit passes through a multi-stage quality control process \u2014 dimensional verification, gear mesh noise testing, and dynamic load assessment \u2014 before leaving the factory. We are experienced in producing gearboxes to customer drawings or sample units, and our engineering team regularly works with UK and European agricultural machinery manufacturers on bespoke ratio configurations, alternative shaft profiles, modified mounting flanges, and non-standard housing arrangements. Whether you need 10 units with a minor adaptation or a full production run under your own brand, our OEM and private-label service can be structured to meet your commercial requirements.<\/p>\n

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Customisation Area<\/th>\nWhat We Can Supply<\/th>\n<\/tr>\n<\/thead>\n
Rapport de transmission<\/td>\n3:1 \/ 4:1 \/ 5:1 \/ 6:1 and intermediate ratios to specification<\/td>\n<\/tr>\n
Input Shaft<\/td>\n1 3\/8 Z6, 1 3\/4 Z20, keyed, or smooth bore to DIN\/ISO<\/td>\n<\/tr>\n
Configuration de sortie<\/td>\nOptic axis, keyed square shaft, splined, or flanged output<\/td>\n<\/tr>\n
Mat\u00e9riau du bo\u00eetier<\/td>\nDuctile cast iron (standard) or aluminium alloy (lightweight option)<\/td>\n<\/tr>\n
Minimum Order<\/td>\nStandard stock: 1 unit; Custom production: from 10 units<\/td>\n<\/tr>\n
Branding & Labelling<\/td>\nOEM and private-label packaging available for UK distributors<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Get a Custom Quote \u2192<\/a><\/div>\n<\/div>\n

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Foire aux questions<\/h2>\n

Common questions from UK agricultural machinery buyers, farm contractors, and equipment dealers.<\/p>\n