Lawn Mower Series Gearbox
HC20. 100J. 01WW
Heavy-Duty Agricultural Gearbox for UK Grounds Maintenance
Precision-engineered for professional turf management, sports pitch maintenance, and large-scale grounds care across the United Kingdom. The HC20.100J.01WW delivers consistent power transfer at 100–120 HP with a true 1:1 ratio and 540 rpm rated input — purpose-built for the demands of commercial lawn mower drive systems.
📧 Запит цінової пропозиції
At a Glance
Модель
HC20.100J.01WW
Передавальне число
1:1
Потужність
100 / 120 HP
Номінальний вхідний сигнал
540 rpm
Модуль
5.4
Зуби
15 / 15
Weight (N.W.)
16 Kg
Отримати цінову пропозицію
What Makes the HC20.100J.01WW Stand Out in UK Agricultural Applications?
The HC20.100J.01WW lawn mower series gearbox is a direct-drive solution designed specifically for the punishing conditions of UK commercial grounds maintenance. Whether you are managing sports pitches in the Scottish Highlands, maintaining municipal parks in the Midlands, or operating a large-scale turf care operation across the South East of England, this gearbox delivers the mechanical reliability that professional operators depend on through wet seasons, heavy clay soils, and year-round cutting schedules. With a 1:1 ratio configuration and a rated input of 540 rpm — matched to the standard PTO output speed on most UK tractors — this unit slots into existing drivetrains without complex adaptation, reducing downtime and installation costs for fleet managers and equipment dealers alike.
The lawn mower gearbox housing is engineered to withstand repeated vibration loads, moisture ingress typical of British climates, and the torsional stresses generated at 100 to 120 HP — making it equally at home on wide-area flail mowers, rotary deck cutters, and gang mower assemblies. The input/output configuration of 1 3/8 Z6 ensures direct PTO shaft compatibility with the majority of modern two-wheel and four-wheel drive tractors operating on UK farms and municipal grounds departments.
Технічна специфікація
| PRODUCT PARAMETERS — HC20.100J.01WW |
| ПРЕДМЕТ |
HC20. 100J. 01WW |
| Співвідношення |
1:1 |
| Зуби |
15/15 |
| Модуль |
5.4 |
| Power (HP) |
100 / 120 |
| Номінальний вхідний сигнал |
540 rpm |
| Опис входу/виходу |
1 3/8 Z6 |
| Weight (N.W.) |
16 Kg |
Dimensional Drawing
Operating Principle, Materials & Application Scenarios
At its core, the HC20.100J.01WW operates on a bevel gear transmission principle. A matched pair of 15-tooth bevel gears with a module of 5.4 mesh at a 90-degree shaft angle, converting the tractor’s horizontal PTO output into a vertical rotational drive that directly powers the cutting deck or blade assembly. The 1:1 ratio means there is no speed amplification or reduction — the output shaft speed precisely mirrors the input, simplifying speed calculations for operators and reducing heat generation under sustained load conditions.
⚙
Alloy Steel Gears
Case-hardened alloy steel gear pairs with precision-ground tooth profiles ensure smooth meshing and long service life under high-torque grass-cutting cycles.
🔒
Cast Iron Housing
Heavy-gauge grey cast iron casing provides superior vibration damping and structural rigidity, protecting internal components from shock loads common in rough field conditions.
🔌
Sealed Bearings
Double-sealed tapered roller bearings at all shaft positions handle combined radial and axial loads, maintaining accurate gear alignment across extended cutting sessions.
Common UK deployment scenarios include commercial flail mowers for highway verge maintenance contracted by local councils, professional sports pitch rotary cutters at Premier League training grounds and county cricket clubs, large-area gang mowers for golf course fairways across Scotland and Wales, and heavy-duty deck mowers used by UK estate management contractors. The 1 3/8 Z6 input spline means the gearbox pairs directly with standard PTO shafts used on John Deere, Fendt, New Holland, and Massey Ferguson tractors widely found in UK agriculture and grounds maintenance fleets.
Why UK Operators Choose This Lawn Mower Gearbox
⚡
High Power Handling
Rated for 100 to 120 HP continuous operation — the HC20.100J.01WW keeps up with modern high-output tractor drives without thermal overload, even through prolonged peak cutting demands.
🔧
Direct PTO Compatibility
The 1 3/8 Z6 spline fits virtually all UK-market tractor PTO outputs at 540 rpm. No adaptor sleeves, no shaft modifications — the gearbox mounts and runs from day one.
🏭
Weather-Ready Construction
Designed for outdoor use in Britain’s highly variable weather. Sealed bearing housings, corrosion-resistant surface treatment, and an oil-tight cast housing keep the unit performing through rain, morning dew, and humidity.
📈
Consistent Output Accuracy
A true 1:1 ratio eliminates speed variation between input and output. Cutting deck blade speed remains stable across changing load conditions, delivering a clean, even finish on every pass.
📦
Compact & Lightweight
At just 16 kg net weight, the HC20.100J.01WW adds minimal unsprung mass to deck assemblies, keeping overall mower weight manageable and reducing soil compaction on sensitive turf surfaces.
🛠
Low Maintenance Design
Pre-filled with high-viscosity gear oil at the factory, the sealed housing design extends service intervals significantly compared to older open-face gearbox designs common on legacy UK mower fleets.
Customer Success: Grounds Maintenance Contractor, East Midlands, UK
Whitfield Grounds Services Ltd — Nottinghamshire, England
🏭 Grounds Maintenance & Municipal Contract Mowing | Fleet of 14 PTO-driven rotary mowers
Whitfield Grounds Services Ltd had been replacing generic OEM gearboxes on their contractor-spec flail mowers every 18 to 24 months due to premature bearing failure and housing cracks caused by repeated shock loads from stony verge terrain across their East Midlands council contracts. After switching six units to the HC20.100J.01WW lawn mower series gearbox in early 2024, their workshop manager reported zero bearing replacements through a full 14-month operating cycle covering over 3,200 hectares of motorway verge, roundabout turf, and school field maintenance. The direct 1 3/8 Z6 input fitted straight onto their New Holland T5 and Fendt 209 Vario tractors without modification, and the consistent 1:1 ratio made it straightforward to calibrate blade tip speed for each site specification. The procurement team noted that the unit’s competitive supply price and the availability of replacement seals reduced their total parts spend by approximately 34% against the prior 24-month period.
Verified Customer Account
⭐⭐⭐⭐⭐
“We’ve run these gearboxes through two full growing seasons on our Yorkshire golf course fleet. Not a single failure. The 540 rpm input locks straight into our Massey Ferguson PTOs and the cut quality is noticeably more consistent than our previous supplier.”
— D. Hartley, Head Groundsman
Harrogate Golf & Country Club, North Yorkshire
⭐⭐⭐⭐⭐
“Fast shipping to our depot in Shropshire and the gearbox was exactly as specified. Our mechanic had it fitted in under two hours. It’s been running on the biggest deck in our fleet — 4.8 metres of cut width — since March without any issues at all.”
— T. Griffiths, Workshop Manager
Marches Agricultural Contractors, Shropshire
⭐⭐⭐⭐⭐
“As a distributor supplying local authority grounds maintenance teams across Wales, I need parts that are in stock and reliable. These gearboxes have become one of our top sellers because they genuinely last. Zero warranty claims in two seasons from our council customers.”
— S. Bevan, Director
Celtic Agricultural Parts & Machinery, Cardiff
Виробничі можливості та послуги з індивідуального проектування
Our production facility operates dedicated CNC gear hobbing lines, precision surface grinding stations, and an in-house heat treatment department that case-hardens gear pairs to controlled depth specifications. Every HC20.100J.01WW unit passes through a torque load test rig before leaving the factory floor, verifying that bearing pre-load settings, gear mesh backlash, and oil seal integrity meet production tolerance specifications. ISO-certified quality management covers the full manufacturing chain from raw steel procurement through to finished assembly inspection.
Custom Gearbox Engineering — What We Can Modify for Your Application
Shaft Configurations
Custom input/output shaft sizes, keyway dimensions, and spline profiles to match specific OEM drivetrain requirements.
Gear Ratio Variants
Modified tooth count combinations available for applications requiring speed reduction or increase beyond the standard 1:1 configuration.
Mounting Flange Options
Bolt pattern, flange diameter, and housing orientation can be modified to suit deck frame designs across different mower OEMs.
Обробка поверхні
Epoxy powder coat colour matching, hot-dip galvanising for marine or coastal applications, and alternative corrosion protection systems on request.
Related Agricultural Gearbox Products
For lighter-duty applications or systems requiring compact aluminium housings, our HC-RV series offers proven reliability in a reduced footprint. Both models below are available for UK delivery with fast lead times.
⚙
Lightweight aluminium housing variant ideal for smaller cutting deck assemblies and weight-sensitive applications. Offers a compact envelope with the same precision gear engineering.
⚙
Entry-level aluminium box series designed for lower-HP mower drives and light agricultural PTO applications. A cost-effective option for equipment dealers supplying smallholder and hobby farm markets.
Часті запитання
What is the price or cost of the HC20.100J.01WW lawn mower gearbox for UK agricultural machinery distributors? +
Pricing depends on order quantity, delivery destination within the UK, and any customisation requirements. We supply direct to UK distributors, OEM mower manufacturers, and grounds maintenance contractors. Please use the quote button above or email our sales team for a firm price. Volume discounts are available on orders of five units or more.
Which UK tractor brands are compatible with the HC20.100J.01WW agricultural gearbox at 540 rpm? +
The 1 3/8 Z6 PTO input spline is a standard connection found on John Deere, Fendt, New Holland, Massey Ferguson, Claas, and Deutz-Fahr tractors producing 540 rpm PTO output. This covers the overwhelming majority of tractors used by UK agricultural contractors and grounds maintenance operations, eliminating the need for adaptor shafts in most installations.
How does the HC20.100J.01WW lawn mower gearbox hold up in wet British weather conditions during year-round grounds maintenance? +
The cast iron housing combined with a fully sealed bearing arrangement and factory-filled oil bath lubrication makes the HC20.100J.01WW well suited to the persistent moisture, morning dew, and rain common across the British Isles. The oil seal design prevents water ingress even when the unit is pressure-washed during routine machine cleaning. Surface treatment provides additional corrosion protection for coastal or high-humidity environments.
Where can UK grounds maintenance contractors get a fast quote for the HC20 lawn mower gearbox with short lead times? +
UK buyers can request a quote directly via the button on this page, which opens an email to our sales team. We aim to respond to all UK enquiries within one working day. Stock availability and lead time confirmation will be included in the response. Express shipping to UK postcodes is available for urgent replacement requirements.
What customisation options are available when ordering the HC20.100J.01WW agricultural gearbox for OEM mower production in the UK? +
We offer a range of engineered modifications including custom shaft diameters and spline profiles, alternative mounting flange bolt patterns, modified gear ratios for speed-up or reduction requirements, and specific surface treatment options. UK OEM mower manufacturers are welcome to submit drivetrain specifications for assessment. Our engineering team will confirm feasibility and lead time for customised production runs.
How often should the oil be changed in the HC20.100J.01WW lawn mower series gearbox under UK operating conditions? +
Under typical UK grounds maintenance conditions — seasonal operation from March to November with intermittent winter use — a first oil change at approximately 50 operating hours and subsequent changes every 200 to 250 hours or annually is recommended. High-output applications running above 100 HP or in particularly dusty or wet environments may benefit from more frequent inspection of oil condition.
Ready to Source the HC20.100J.01WW for Your UK Fleet?
Contact our team for pricing, lead times, and technical support tailored to your application.
📧 Get a Quote Today
редагування від gzl
