{"id":1749,"date":"2026-04-16T03:32:37","date_gmt":"2026-04-16T03:32:37","guid":{"rendered":"https:\/\/agricultural-gearbox.net\/?post_type=product&p=1749"},"modified":"2026-04-16T03:32:38","modified_gmt":"2026-04-16T03:32:38","slug":"ep-fk155-square-baler-gearbox-for-automatic-feed-baler","status":"publish","type":"product","link":"https:\/\/agricultural-gearbox.net\/fr\/product\/ep-fk155-square-baler-gearbox-for-automatic-feed-baler\/","title":{"rendered":"EP-FK155 Square Baler Gearbox for Automatic Feed Baler"},"content":{"rendered":"

1. Technical Specifications<\/h2>\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
Param\u00e8tre<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Mod\u00e8le<\/td>\nEP-FK155<\/td>\n<\/tr>\n
Gear Ratio (Left\/Right Output)<\/td>\n1:2.46<\/td>\n<\/tr>\n
Gear Ratio (Follow-up Output)<\/td>\n1.24:1<\/td>\n<\/tr>\n
Input Speed (RPM)<\/td>\n540<\/td>\n<\/tr>\n
Output Speed \u2013 Primary (RPM)<\/td>\n1328<\/td>\n<\/tr>\n
Output Speed \u2013 Follow-up (RPM)<\/td>\n1070<\/td>\n<\/tr>\n
Rated Power (kW \/ HP)<\/td>\n180 kW \/ 241 HP<\/td>\n<\/tr>\n
Max Power (kW \/ HP)<\/td>\n1080 kW \/ 1448 HP<\/td>\n<\/tr>\n
Toothing Type<\/td>\nGleason Helical<\/td>\n<\/tr>\n
Gear Material<\/td>\n20CrMnTi Alloy Steel<\/td>\n<\/tr>\n
Mat\u00e9riaux de construction<\/td>\nQT450 Ductile Iron<\/td>\n<\/tr>\n
Gear Hardness<\/td>\nHRC 58\u201362 (Carburized)<\/td>\n<\/tr>\n
Surface Roughness<\/td>\nRa 0.8 \u03bcm<\/td>\n<\/tr>\n
Bearing Type<\/td>\nTapered Roller (32210)<\/td>\n<\/tr>\n
Bearing L10 Life<\/td>\n\u2265 8000 hours<\/td>\n<\/tr>\n
Lubrication Type<\/td>\n80W90 GL-5 Gear Oil<\/td>\n<\/tr>\n
Capacit\u00e9 d'huile<\/td>\n2.8 L<\/td>\n<\/tr>\n
Operating Temperature Range<\/td>\n-20\u00b0C to 120\u00b0C<\/td>\n<\/tr>\n
Noise Level (Rated Load)<\/td>\n\u2264 78 dB<\/td>\n<\/tr>\n
Protection Rating<\/td>\nIP55<\/td>\n<\/tr>\n
Arbre d'entr\u00e9e cannel\u00e9<\/td>\n1-3\/8″ Z6 (ASAE Standard)<\/td>\n<\/tr>\n
Mounting Type<\/td>\nFlange Mounted (4-Bolt Pattern)<\/td>\n<\/tr>\n
Overall Dimensions (L\u00d7W\u00d7H)<\/td>\n420 mm \u00d7 310 mm \u00d7 285 mm<\/td>\n<\/tr>\n
Net Weight<\/td>\n48 kg<\/td>\n<\/tr>\n
Oil Change Interval<\/td>\nEvery 500 operating hours<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Note: Parameters may vary based on specific operating conditions and baler configuration. Please verify interface dimensions, torque range, and mounting pattern before ordering. Data compliant with ISO 6336 and AGMA 2001-D04 gear rating standards.<\/em><\/p>\n

\"agricultural-gearbox-products-EP-FK155<\/p>\n

2. Five Key Facts About This Square Baler Gearbox<\/h2>\n

1. Dual Output Design:<\/strong> Left and right output shafts at a 1:2.46 gear ratio convert 540 RPM PTO input into 1328 RPM output, while the follow-up output runs at 1:1.24 ratio delivering 1070 RPM for synchronized baler operation.<\/p>\n

2. High Power Capacity:<\/strong> Rated at 180 kW (nominal) with a maximum throughput of 1080 kW on the primary outputs and 1100 kW on follow-up, this EP-FK155 unit handles the most demanding harvest loads.<\/p>\n

3. Gleason Helical Gear Toothing:<\/strong> Precision-cut helical gears reduce vibration, lower operating noise below 78 dB at rated load, and extend service life beyond 8000 operating hours under correct maintenance.<\/p>\n

4. Broad Compatibility:<\/strong> Designed as a drop-in replacement for multiple automatic feed baler brands. The EP-FK155 Square Baler Gearbox bolt pattern and flange dimensions match widely used European and North American PTO standards.<\/p>\n

5. Customizable Configurations:<\/strong> Special gear ratios, shaft orientations, and mounting flanges are available upon request, making it a versatile transmission solution for diverse agricultural setups.<\/p>\n

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3. How Does a Square Baler Gearbox Work<\/h2>\n

Understanding how does a square baler gearbox work is essential for any operator or procurement engineer evaluating power transmission components for baling equipment. The operating principle begins at the tractor’s Power Take-Off shaft, which spins at a standardized 540 RPM. The EP-FK155 Square Baler Gearbox receives this rotational energy through a splined input shaft connected to a PTO shaft assembly. Inside the gearbox housing, a series of Gleason helical gears mesh at precisely calculated angles to step up the speed to 1328 RPM on the primary output shafts. This speed multiplication is critical because the baler plunger and pickup mechanism require higher rotational velocity to compress crop material efficiently into dense, uniform bales. The follow-up output further adjusts speed to 1070 RPM for driving knotters and tying mechanisms. Oil-bath lubrication keeps all gear surfaces coated during operation, reducing friction-generated heat and preventing premature wear. The sealed housing protects internal components from field dust, chaff, and moisture \u2014 environmental hazards common during baling operation in tropical climates like those found across Brazilian agricultural regions. When the baler encounters a heavy slug of material, the gearbox torque capacity absorbs load spikes without mechanical failure, thanks to the hardened alloy steel gears rated at HRC 58\u201362 surface hardness.<\/p>\n<\/div>\n

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4. Five Key Advantages of the EP-FK155 Square Baler Gearbox<\/h2>\n

1. Extended Operational Lifespan Under Harsh Conditions<\/h3>\n

Constructed with 20CrMnTi carburized alloy steel gears seated inside a QT450 ductile iron housing, the EP-FK155 Square Baler Gearbox resists fatigue cracking and impact fracture across thousands of operating hours. This is what makes this square baler gearbox particularly suitable for tropical and subtropical agricultural zones where equipment faces extreme heat, high humidity, and abrasive crop residue. Farms in the Brazilian states of Mato Grosso and Goi\u00e1s regularly run balers through prolonged sugarcane straw seasons, and a gearbox that fails mid-cycle creates costly downtime. The EP-FK155 addresses this with gear tooth hardness of HRC 58\u201362 and tapered roller bearings rated for a minimum L10 life of 8000 hours.<\/p>\n

2. Efficient Power Transmission with Minimal Loss<\/h3>\n

The Gleason helical gear tooth profile ensures smooth meshing contact across the entire face width, distributing load evenly and reducing energy waste through friction. Compared to straight-cut spur gears found in older square baler parts, helical toothing reduces operating noise and vibration, which in turn decreases mechanical stress on downstream baler components such as the plunger crankshaft and knotter drive. Farmers looking for an efficient baler transmission for sale that reduces tractor fuel consumption during baling will find meaningful savings with this design.<\/p>\n

3. Straightforward Maintenance and Serviceability<\/h3>\n

An accessible external drain plug and fill port make oil changes quick \u2014 a task recommended every 500 hours using standard 80W90 GL-5 gear oil available at any agricultural supply store. The inspection cover allows visual checks of gear condition without a full disassembly. Seal kits and square baler gearbox parts such as bearings and gaskets are stocked for rapid replacement, minimizing repair lead times even in remote farming areas.<\/p>\n

4. Universal Compatibility Across Baler Platforms<\/h3>\n

The EP-FK155 Square Baler Gearbox uses a 1-3\/8 inch Z6 splined input shaft conforming to ASAE S209.10 and a 4-bolt flange mounting pattern that fits a wide range of automatic feed balers manufactured in Europe, North America, and South America. Whether you need a square baler gearbox replacement for aging equipment or you are building a new baler assembly line, this unit provides plug-and-play installation. The follow-up output at 1070 RPM ensures knotter timing synchronization without additional speed reduction stages.<\/p>\n

5. Integrated Overload Protection<\/h3>\n

Field conditions are unpredictable \u2014 a stone, a tangled wire, or a slug of wet material can spike torque well beyond normal operating parameters. The EP-FK155 includes a shear-bolt safety mechanism on the input shaft that absorbs shock loads and prevents catastrophic gear damage. This feature alone can save thousands in emergency repair costs, making it a sensible investment for any operation evaluating why use a square baler gearbox with built-in protection.<\/p>\n<\/div>\n

\"agricultural-gearbox-products-EP-FK155<\/p>\n

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5. Materials and Metallurgy<\/h2>\n

The internal gears of the EP-FK155 Square Baler Gearbox are machined from 20CrMnTi low-alloy carburizing steel, a material specified in GB\/T 3077 and widely recognized for its excellent core toughness and surface wear resistance after carburizing heat treatment. The carburized case depth reaches 0.8\u20131.2 mm with a surface hardness of HRC 58\u201362, while the core retains ductility at HRC 33\u201338 to absorb shock loads without brittle fracture. The gearbox housing is gravity-cast from QT450-10 ductile iron compliant with ISO 1083, providing a tensile strength of 450 MPa and an elongation of 10% \u2014 a balanced combination of rigidity and impact resistance. Input and output shafts are forged from 42CrMo quenched and tempered steel (AISI 4140 equivalent), induction-hardened at bearing journals to HRC 50\u201355. All sealing surfaces are machined to Ra 1.6 \u03bcm or finer to ensure leak-free operation under continuous vibration. External surfaces receive a corrosion-resistant powder coating rated to ASTM B117 salt spray testing for 500 hours, an important consideration for gearbox units exposed to humid field environments in regions like southern Brazil and the Argentine Pampas.<\/p>\n<\/div>\n

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6. Application Scenarios<\/h2>\n
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Hay and Forage Baling<\/h3>\n

In livestock-intensive regions of southern Brazil \u2014 particularly Rio Grande do Sul and Paran\u00e1 \u2014 hay baling is a year-round activity. The EP-FK155 square baler gearbox drives the plunger at optimal speed to form dense, well-shaped rectangular bales that stack efficiently for storage and transport. Consistent bale density reduces spoilage and maximizes feed value per bale.<\/p>\n<\/div>\n

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Sugarcane Straw Recovery<\/h3>\n

Brazil is the world’s largest sugarcane producer, and post-harvest straw recovery has become both an environmental requirement and an economic opportunity. This transmission unit provides the torque density needed to compress fibrous sugarcane residue into transportable bales for biomass energy generation or soil mulching, a practice aligned with CONAMA Resolution 382 on agricultural waste management.<\/p>\n<\/div>\n

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Cotton Baling Operations<\/h3>\n

In the cerrado region of Bahia and Mato Grosso, cotton harvesting requires baling equipment that preserves fiber quality. The EP-FK155 Square Baler Gearbox ensures smooth, vibration-free baler operation that minimizes fiber damage during compression. Uniform bale shape also streamlines ginning logistics and meets export grading requirements under international cotton classification standards.<\/p>\n<\/div>\n

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Silage and Feed Preservation<\/h3>\n

Square baling silage material requires precise timing between the plunger cycle and the knotter mechanism. The dual-output design of this EP-FK155 Square Baler Gearbox synchronizes both operations through a single power path, ensuring tight, well-tied bales that preserve fermentation quality. This application is critical for dairy operations where feed consistency directly impacts milk production yields.<\/p>\n<\/div>\n

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Straw Baling for Construction and Industry<\/h3>\n

Beyond animal feed, straw bales serve as raw material for construction insulation, mushroom cultivation substrate, and paper manufacturing. The EP-FK155 Square Baler Gearbox produces consistent rectangular bales that meet dimensional tolerances required by industrial buyers. Farms near urban centers in S\u00e3o Paulo state and Minas Gerais capitalize on this secondary market to generate additional revenue from crop residues.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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7. Regulatory Standards and Compliance<\/h2>\n

Agricultural machinery components sold in Brazil must comply with requirements established by INMETRO (Instituto Nacional de Metrologia, Qualidade e Tecnologia) under various Portarias covering mechanical safety and product conformity. Brazil’s NR-12 regulation (Norma Regulamentadora No. 12) specifically addresses safety in machinery and equipment, including guarding requirements and risk assessment protocols for power transmission devices like gearboxes. The EP-FK155 Square Baler Gearbox is manufactured under ISO 9001:2015 quality management systems and gear geometries conform to ISO 6336 load capacity calculation standards and AGMA 2001-D04 rating methodology. Gear accuracy meets DIN 6 precision class, ensuring reliable interchangeability. In the European Union, the Machinery Directive 2006\/42\/EC establishes essential health and safety requirements for agricultural equipment, while in the United States, ASABE (American Society of Agricultural and Biological Engineers) standards S209 and S210 govern PTO shaft interfaces. Australian Standard AS 1636 covers tractor PTO shaft guard dimensions, relevant for export markets in Oceania. Compliance with these multi-jurisdictional standards ensures the EP-FK155 can be deployed in baling operations worldwide, from the wheat fields of Argentina to rice paddies in Thailand and grain farms in South Africa.<\/p>\n<\/div>\n

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8. Installation and Maintenance Guide<\/h2>\n

Proper installation begins with confirming that the baler frame mounting surface is flat and free of debris. Align the EP-FK155 flange bolt holes with the baler mounting plate and tighten fasteners to the torque specification indicated in the installation manual \u2014 typically 95 Nm for M12 Grade 10.9 bolts. Connect the PTO shaft to the 1-3\/8 inch Z6 splined input and verify free rotation before engaging power. Fill the gearbox with 2.8 liters of 80W90 GL-5 gear oil through the top fill port, checking the level at the sight glass. During the initial 50 hours of operation, monitor the gearbox for unusual noise, vibration, or temperature rise above 90\u00b0C at the housing surface. After the break-in period, drain and replace the oil to flush any metal particles generated during gear seating. Thereafter, change oil every 500 operating hours or annually, whichever comes first. Inspect seals for leakage at every oil change. Check gear tooth surfaces through the inspection port every 1000 hours, looking for pitting, scoring, or chipping patterns that indicate bearing misalignment or lubricant degradation. Ensure all bolts remain torqued \u2014 vibration during square baler pickup operations can loosen fasteners over time. Store the baler and gearbox in a covered, dry area during off-season to prevent internal corrosion. If storing for more than 60 days, fill the gearbox to maximum oil capacity and rotate the input shaft manually once per month to distribute lubricant across all contact surfaces.<\/p>\n<\/div>\n

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9. About Us<\/h2>\n

We are a specialized manufacturer of agricultural power transmission components with decades of production experience in gearbox design, gear machining, and system assembly. Our facility operates CNC hobbing machines, gear grinding centers, and coordinate measuring machines (CMMs) to maintain DIN 6 gear accuracy across every production batch. We hold ISO 9001:2015 and ISO 14001:2015 certifications, and our products are exported to more than 50 countries including Brazil, the United States, Germany, Australia, and Thailand. Every gearbox undergoes a full-load bench test before shipment, with vibration spectrum analysis and thermal imaging to confirm performance meets specification.<\/p>\n

WorkShop<\/h3>\n
\"Workshop\"Workshop\"Workshop<\/div>\n<\/div>\n

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10. Related Products: Complete Drivetrain Solutions<\/h2>\n

In addition to the EP-FK155 square baler gearbox, we manufacture a full range of complementary power transmission components designed to work as an integrated system. Pairing your gearbox with our PTO shafts and drive motors ensures dimensional compatibility, matched torque ratings, and simplified procurement from a single source \u2014 reducing the risk of mismatched components that can lead to premature failure. Our one-stop agricultural drivetrain supply approach covers everything from the tractor PTO connection through to the final baler drive, with engineering support available to help you select the correct configuration for your specific square baler with motor requirements.<\/p>\n

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PTO Shafts for Agricultural Balers<\/h3>\n

Our PTO shafts are manufactured with precision-ground splines matching ASAE S209 and S210 standards. Available in standard and wide-angle configurations, these shafts transmit power reliably from the tractor to the gearbox input. Overload clutch and shear bolt protection options are available. All shafts include safety guards compliant with ISO 5674.<\/p>\n

\"PTO<\/div>\n<\/div>\n
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Drive Chains and Sprockets<\/h3>\n

For balers that use chain-driven pickup mechanisms and feed systems, we supply ANSI-standard roller chains (#50, #60, #80) along with precision-machined sprockets in carbon steel and stainless steel. Matching your chain drive to the gearbox output ensures synchronized pickup speed and optimal crop flow into the baling chamber. Our chains are shot-peened for fatigue resistance and pre-lubricated for extended service intervals in dusty field conditions.<\/p>\n

\"Agricultural<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Foire aux questions<\/h2>\n
\nQ1. What is a square baler gearbox used for in automatic feed baling systems?<\/strong><\/summary>\n
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A square baler gearbox serves as the central power transmission hub between the tractor PTO and the baler’s mechanical components. It converts the 540 RPM input from the tractor into the higher rotational speeds required by the plunger, pickup mechanism, and knotter assembly. Without a properly functioning gearbox, the baler cannot compress crop material into uniform bales or tie them securely. The EP-FK155 specifically handles dual-output power routing for automatic feed balers that need simultaneous drive to multiple systems.<\/p>\n<\/div>\n<\/details>\n

\nQ2. What gear ratio does the EP-FK155 use and how does it affect square baler operation?<\/strong><\/summary>\n
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The primary left and right outputs operate at a 1:2.46 step-up ratio, converting 540 RPM input to 1328 RPM output. The follow-up output uses a 1.24:1 ratio to deliver 1070 RPM. This configuration ensures the plunger cycles at the correct frequency to form dense bales while the knotter operates at a synchronized but different speed. The ratio selection is optimized for automatic feed balers processing hay, straw, and silage at standard throughput rates.<\/p>\n<\/div>\n<\/details>\n

\nQ3. How do I select the right square baler gearbox replacement for my specific baler model?<\/strong><\/summary>\n
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Start by measuring your existing gearbox mounting flange bolt pattern, input shaft spline type, and output shaft dimensions. Compare these against the EP-FK155 specifications listed in our technical data sheet. Verify the gear ratio matches your baler’s required plunger speed and knotter timing. Our engineering team can cross-reference your current gearbox part number and confirm compatibility before you order. Provide your baler make, model, and year for the fastest response.<\/p>\n<\/div>\n<\/details>\n

\nQ4. Can this gearbox be customized with different ratios for specialized baling applications?<\/strong><\/summary>\n
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Yes. We accept custom orders for modified gear ratios, alternate shaft orientations, and non-standard flange patterns. Minimum order quantities apply for custom configurations. Provide your required input speed, desired output speed, torque specification, and mounting dimensional drawing, and our engineering team will prepare a proposal. Custom kit gearbox assemblies typically ship within 30\u201345 days from order confirmation.<\/p>\n<\/div>\n<\/details>\n

\nQ5. How does the EP-FK155 compare to European-manufactured square baler gearbox alternatives for cost and performance?<\/strong><\/summary>\n
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The EP-FK155 is engineered to match or exceed the performance specifications of European equivalents at a significantly more competitive price point. Gear accuracy at DIN 6 class, carburized 20CrMnTi gear material, and QT450 housing are identical material grades used by leading European gearbox manufacturers. Every unit passes a full-load bench test before shipment \u2014 the same validation protocol used by premium brands. The cost savings come from vertically integrated manufacturing, not from material or quality compromises. This makes the EP-FK155 the leading value proposition for operations evaluating a cost-effective gearbox replacement without sacrificing reliability.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\u00c9diteur : PXY<\/p>","protected":false},"excerpt":{"rendered":"

The EP-FK155 is a heavy-duty square baler gearbox engineered to transmit mechanical power from the tractor PTO shaft directly into the baling mechanism of automatic feed balers. Built with Gleason helical toothing and a dual-output configuration at a 1:2.46 ratio, this gearbox delivers rated power up to 180 kW on the left and right output while maintaining consistent torque across extended operating cycles.<\/p>","protected":false},"featured_media":1750,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2322],"product_tag":[],"class_list":{"0":"post-1749","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-square-baler-gearbox","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/product\/1749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/comments?post=1749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/media\/1750"}],"wp:attachment":[{"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/media?parent=1749"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/product_brand?post=1749"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/product_cat?post=1749"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/fr\/wp-json\/wp\/v2\/product_tag?post=1749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}