{"id":1009,"date":"2026-01-27T01:42:37","date_gmt":"2026-01-27T01:42:37","guid":{"rendered":"https:\/\/agricultural-gearbox.net\/?p=1009"},"modified":"2026-01-27T01:42:37","modified_gmt":"2026-01-27T01:42:37","slug":"application-of-agricultural-gearboxes-in-power-harrow-gearboxes-side-satellite-gearboxes-folding-models-only","status":"publish","type":"post","link":"https:\/\/agricultural-gearbox.net\/es\/application\/application-of-agricultural-gearboxes-in-power-harrow-gearboxes-side-satellite-gearboxes-folding-models-only\/","title":{"rendered":"Application of agricultural gearboxes in power harrow gearboxes (side\/satellite gearboxes) – Folding models only"},"content":{"rendered":"

1. Technical Parameters Overview (Standard vs. Heavy-Duty Series)<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter Category<\/th>\nTechnical Specification<\/th>\nStandard (Series EP-S)<\/th>\nHeavy-Duty (Series EP-HD)<\/th>\n<\/tr>\n<\/thead>\n
Torque Capacity (Nm)<\/td>\nNominal \/ Peak Load<\/td>\n2800 Nm<\/td>\n4250 Nm<\/td>\n<\/tr>\n
Gear Ratio Range<\/td>\ni-Value Options<\/td>\n1:1.24 to 1:1.93<\/td>\n1:1.00 to 1:2.15<\/td>\n<\/tr>\n
Input Shaft Specs<\/td>\nSpline Type (ISO 500)<\/td>\n1-3\/8″ Z6<\/td>\n1-3\/4″ Z20<\/td>\n<\/tr>\n
Output Shaft Specs<\/td>\nSpline Type<\/td>\n45x42x8 DIN 5482<\/td>\n55x50x12 DIN 5482<\/td>\n<\/tr>\n
Lubrication Method<\/td>\nFluid \/ System<\/td>\nSplash Lubrication<\/td>\nForced Splash with Cooling Fin<\/td>\n<\/tr>\n
Oil Type<\/td>\nViscosity Grade<\/td>\nSAE 90EP<\/td>\nSAE 85W-140 Synthetics<\/td>\n<\/tr>\n
Protection Grade<\/td>\nProtecci\u00f3n de ingreso<\/td>\nIP67<\/td>\nIP69K (High-Pressure Wash)<\/td>\n<\/tr>\n
Material de vivienda<\/td>\nCast Iron Grade<\/td>\nGJS-450 (Ductile)<\/td>\nGJS-600 (High-Impact)<\/td>\n<\/tr>\n
Gear Material<\/td>\nSteel Standard<\/td>\n20CrMnTi<\/td>\n18CrNiMo7-6 (Carburized)<\/td>\n<\/tr>\n
Working Temp Range<\/td>\nAmbient Celsius<\/td>\n-10\u00b0C to +45\u00b0C<\/td>\n-15\u00b0C to +60\u00b0C<\/td>\n<\/tr>\n
Vibration Threshold<\/td>\nVelocity RMS (mm\/s)<\/td>\n< 4.5<\/td>\n< 2.8<\/td>\n<\/tr>\n
Fatigue Life (L10)<\/td>\nHours at Rated Load<\/td>\n4,500 hrs<\/td>\n8,000 hrs<\/td>\n<\/tr>\n
Bevel Gear Type<\/td>\nProfile Geometry<\/td>\nSpiral Bevel (Gleason)<\/td>\nSpiral Bevel (Klingelnberg)<\/td>\n<\/tr>\n
Oil Seal Type<\/td>\nCompound<\/td>\nNBR Double Lip<\/td>\nViton (FKM) Cassette Seal<\/td>\n<\/tr>\n
Efficiency<\/td>\nMechanical %<\/td>\n96.5%<\/td>\n98.2%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

*Table features 31 discrete technical variables. Custom ratios and shaft configurations available upon request for OEM integration.<\/p>\n

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2. Component Integration: Where the Satellite Gearbox Lives<\/h2>\n

On a folding power harrow (Grades Rotativas Dobr\u00e1veis), the satellite gearboxes are positioned on the articulated joints of the main frame. Their primary role is to bridge the drive from the central transmission box to the vertical rotor shafts. Unlike the central box, which remains static, side gearboxes must accommodate the mechanical stresses of the frame’s flexing during operation on uneven terrain.<\/p>\n

Working Principle:<\/strong> The input power enters via a transverse shaft connected to the central gearbox. Inside, a pair of high-precision spiral bevel gears changes the drive direction by 90 degrees and reduces the RPM (typically from 1000 RPM PTO down to 280-350 rotor RPM). This reduction generates the massive torque required for the rotors to pulverize heavy clay soils. The side gearbox also incorporates an internal clutch or shear bolt mechanism in some configurations to protect the gear teeth from sudden impact loads caused by buried rocks or stumps.<\/p>\n

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3. [Brazil] Extreme Operating Conditions Field Study: The Red Soil Challenge<\/h2>\n

Operating in Brazil\u2019s Cerrado region involves facing the Latossolo Vermelho<\/strong>\u2014a soil known for its high iron and aluminum content, which becomes incredibly hard and abrasive during the “Safrinha” (second harvest) season. Standard gearboxes often fail here due to three main factors: Heat, Dust, and Impact.<\/p>\n