{"id":3199,"date":"2026-02-05T03:49:43","date_gmt":"2026-02-05T03:49:43","guid":{"rendered":"https:\/\/agriculturalgearboxes.top\/?p=3199"},"modified":"2026-02-06T05:42:23","modified_gmt":"2026-02-06T05:42:23","slug":"heavy-duty-central-gearbox-for-rotary-tillers-the-t-300-series-engineered-for-uk-soil-conditions","status":"publish","type":"post","link":"https:\/\/agriculturalgearboxes.top\/fr\/application\/heavy-duty-central-gearbox-for-rotary-tillers-the-t-300-series-engineered-for-uk-soil-conditions\/","title":{"rendered":"Bo\u00eete de vitesses centrale renforc\u00e9e pour motoculteurs : la s\u00e9rie T-300 con\u00e7ue pour les conditions de sol britanniques"},"content":{"rendered":"
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Precision-engineered transmission solutions for heavy clay, rocky terrain, and high-moisture agricultural environments. Direct from the factory floor to your assembly line.<\/p>\n<\/div>\n

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1. Operational Logic: From PTO Torque to Soil Fragmentation<\/h2>\n
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\"Bo\u00eetesIn the architecture of a rotary tiller (rotavator), the Central Gearbox<\/strong> acts as the primary torque distribution node. Unlike simple power transmission, this unit must execute a 90-degree vector change while simultaneously stepping down RPM to amplify torque required for soil fracture.<\/p>\n

For the UK market, specifically dealing with the high-plasticity clay found in regions like East Anglia or the rocky substrates of the Scottish Borders, a standard gearbox often fails due to thermal fatigue or seal rupture. The EVER-POWER Central Gearbox utilizes a spiral bevel gear set (gleason cut) rather than straight bevels. This design ensures a contact ratio >1.5, significantly reducing noise and vibration thresholds during the breaking of compacted hardpan soil.<\/p>\n

Note de l'ing\u00e9nieur\u00a0:<\/strong>
\n“We’ve seen competitors’ gearboxes shear at the output shaft when hitting hidden flint stones. Our design incorporates a shock-load absorption spline geometry that allows for a 0.5-degree micro-twist, saving the gear teeth from catastrophic fracture.”<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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2. Technical Specifications: T-300 Series (540\/1000 RPM)<\/h2>\n

The following parameters are derived from our 2024-2025 production batch validations, compliant with ISO 4254-1 safety standards.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
ID du param\u00e8tre<\/th>\nSpecification Name<\/th>\nValeur \/ Norme<\/th>\nEngineering Tolerance<\/th>\n<\/tr>\n<\/thead>\n
EP-SPEC-01<\/td>\nNominal Input Power (540 RPM)<\/td>\n45 – 85 HP (33 – 63 kW)<\/td>\n\u00b1 2%<\/td>\n<\/tr>\n
EP-SPEC-02<\/td>\nCouple de sortie maximal<\/td>\n1 450 Nm<\/td>\nCharge de pointe<\/td>\n<\/tr>\n
EP-SPEC-03<\/td>\nGear Ratio (Standard)<\/td>\n1:1.46 \/ 1:1.92<\/td>\n–<\/td>\n<\/tr>\n
EP-SPEC-04<\/td>\nMat\u00e9riau du bo\u00eetier<\/td>\nFonte ductile QT450-10<\/td>\nASTM A536<\/td>\n<\/tr>\n
EP-SPEC-05<\/td>\nMat\u00e9riel d'\u00e9quipement<\/td>\nAcier alli\u00e9 20CrMnTiH<\/td>\nHRC 58-62<\/td>\n<\/tr>\n
EP-SPEC-06<\/td>\nProfil de l'arbre d'entr\u00e9e<\/td>\n1 3\/8″ Z6 Spline<\/td>\nDIN 9611<\/td>\n<\/tr>\n
EP-SPEC-07<\/td>\nProfil de l'arbre de sortie<\/td>\nCircular \u00d850mm + Keyway<\/td>\nh7 fit<\/td>\n<\/tr>\n
EP-SPEC-08<\/td>\nCapacit\u00e9 p\u00e9troli\u00e8re<\/td>\n2,8 litres<\/td>\n\u00b1 0.1L<\/td>\n<\/tr>\n
EP-SPEC-09<\/td>\nLubrifiant recommand\u00e9<\/td>\nSAE 85W-140 (GL-5)<\/td>\n–<\/td>\n<\/tr>\n
EP-SPEC-10<\/td>\nPlage de temp\u00e9ratures de fonctionnement<\/td>\n-20\u00b0C \u00e0 +110\u00b0C<\/td>\nContinuous<\/td>\n<\/tr>\n
EP-SPEC-11<\/td>\nThermal Dissipation Rating<\/td>\n14 kW (No ext. cooling)<\/td>\n@ 25\u00b0C Ambient<\/td>\n<\/tr>\n
EP-SPEC-12<\/td>\nBearing Type (Input)<\/td>\nTapered Roller 32210<\/td>\nSKF\/Timken<\/td>\n<\/tr>\n
EP-SPEC-13<\/td>\nType de roulement (sortie)<\/td>\nDeep Groove Ball 6312<\/td>\nC3 Clearance<\/td>\n<\/tr>\n
EP-SPEC-14<\/td>\nMat\u00e9riau d'\u00e9tanch\u00e9it\u00e9<\/td>\nFKM (Viton) Dual Lip<\/td>\nDust\/Mud Proof<\/td>\n<\/tr>\n
EP-SPEC-15<\/td>\nR\u00e9glage du jeu<\/td>\n0,15 \u2013 0,25 mm<\/td>\nAdjustable<\/td>\n<\/tr>\n
EP-SPEC-16<\/td>\nPoids (\u00e0 sec)<\/td>\n42.5 kg<\/td>\nNet<\/td>\n<\/tr>\n
EP-SPEC-17<\/td>\nPainting\/Finish<\/td>\nAppr\u00eat \u00e9poxy + couche de finition PU<\/td>\nSalt Spray >500h<\/td>\n<\/tr>\n
EP-SPEC-18<\/td>\nNiveau sonore<\/td>\n< 78 dB(A)<\/td>\n@ 1m distance<\/td>\n<\/tr>\n
EP-SPEC-19<\/td>\nMod\u00e8le de montage<\/td>\n4x M16 on 180mm PCD<\/td>\nStandard<\/td>\n<\/tr>\n
EP-SPEC-20<\/td>\nEfficacit\u00e9<\/td>\n> 96%<\/td>\nPar \u00e9tape<\/td>\n<\/tr>\n
EP-SPEC-21<\/td>\nType de respirateur<\/td>\nFiltre en bronze fritt\u00e9<\/td>\nAnti-clogging<\/td>\n<\/tr>\n
EP-SPEC-22<\/td>\nDuret\u00e9 de l'arbre<\/td>\nHB 280-320<\/td>\nCore<\/td>\n<\/tr>\n
EP-SPEC-23<\/td>\nFatigue Life (B10)<\/td>\n> 5000 heures<\/td>\nRated Load<\/td>\n<\/tr>\n
EP-SPEC-24<\/td>\nIndice de protection IP<\/td>\nIP65<\/td>\nFull Washdown<\/td>\n<\/tr>\n
EP-SPEC-25<\/td>\nFacteur de charge de choc<\/td>\n2.5x Nominal<\/td>\nIntermittent<\/td>\n<\/tr>\n
EP-SPEC-26<\/td>\nSeuil de vibration<\/td>\n< 4,5 mm\/s RMS<\/td>\nISO 10816<\/td>\n<\/tr>\n
EP-SPEC-27<\/td>\nNorme de rainure de clavette<\/td>\nDIN 6885\/1<\/td>\nParallel Key<\/td>\n<\/tr>\n
EP-SPEC-28<\/td>\nFacteur de service (AGMA)<\/td>\n1.75<\/td>\nHeavy Shock<\/td>\n<\/tr>\n
EP-SPEC-29<\/td>\nM\u00e9thode de lubrification<\/td>\nBain rafra\u00eechissant<\/td>\nGravity<\/td>\n<\/tr>\n
EP-SPEC-30<\/td>\nGarantie<\/td>\n18 mois<\/td>\nFactory Direct<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n
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3. UK Terrain Specificity & Regulatory Compliance<\/h2>\n
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Challenges in East Anglia & The Fens<\/h3>\n

The fertile but heavy clay soils of Lincolnshire and East Anglia present a unique “stick-slip” torque challenge. When a rotary tiller engages wet clay in October, the torque spike can exceed 300% of nominal load. EVER-POWER gearboxes feature reinforced bearing seats<\/strong> to prevent housing deformation under these specific UK harvest conditions.<\/p>\n<\/div>\n

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UK & EU Safety Standards<\/h3>\n

Despite Brexit, UK machinery standards remain tightly aligned with EU directives. Our gearboxes are fully compliant with:<\/p>\n