{"id":1766,"date":"2026-04-17T07:50:28","date_gmt":"2026-04-17T07:50:28","guid":{"rendered":"https:\/\/agricultural-gearbox.net\/?post_type=product&p=1766"},"modified":"2026-04-17T07:53:23","modified_gmt":"2026-04-17T07:53:23","slug":"ep-qz115-double-disc-silage-machine-gearbox","status":"publish","type":"product","link":"https:\/\/agricultural-gearbox.net\/es\/product\/ep-qz115-double-disc-silage-machine-gearbox\/","title":{"rendered":"EP-QZ115 Double Disc Silage Machine Gearbox"},"content":{"rendered":"
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Silage Machine Gearbox<\/span><\/div>\n

EP-QZ115 Double Disc Silage Machine Gearbox<\/h2>\n

A purpose-built silage machine gearbox<\/strong> engineered for double-disc forage harvesters \u2014 delivering 580 N\u00b7m output torque, synchronized disc rotation, and Gleason helical tooth geometry for precise, high-throughput chopping in demanding field conditions.<\/p>\n

<\/p>\n

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580 N\u00b7m<\/div>\n
Par de salida<\/div>\n<\/div>\n
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1:1<\/div>\n
Gear Ratio<\/div>\n<\/div>\n
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1000 rpm<\/div>\n
Input \/ Output Speed<\/div>\n<\/div>\n
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35 kg<\/div>\n
Unit Weight<\/div>\n<\/div>\n
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ISO 9001<\/div>\n
Certified Quality<\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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1. Technical Parameters \u2014 EP-QZ115 Silage Machine Gearbox<\/h2>\n

The table below lists the primary engineering parameters for the EP-QZ115. For OEM configurations, custom shaft diameters, housing flanges, or special duty ratings, contact the technical team directly.<\/p>\n

\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Model Number<\/td>\nEP-QZ115 silage machine gearbox<\/td>\n<\/tr>\n
Aplicaci\u00f3n<\/td>\nDouble-disc silage machines, forage harvesters<\/td>\n<\/tr>\n
Gear Ratio (i)<\/td>\n1:1 (speed-maintaining)<\/td>\n<\/tr>\n
Input Speed (rpm)<\/td>\n1000 r\/min<\/td>\n<\/tr>\n
Output Speed (rpm)<\/td>\n1000 r\/min<\/td>\n<\/tr>\n
Rated Output Torque<\/td>\n580 N\u00b7m<\/td>\n<\/tr>\n
Peak \/ Overload Torque<\/td>\n870 N\u00b7m (\u00d71.5 service factor)<\/td>\n<\/tr>\n
Tooth Type<\/td>\nGleason Helical Teeth<\/td>\n<\/tr>\n
Input Shaft Diameter<\/td>\n\u03a645 \/ \u03a640 \/ \u03a635 mm (selectable)<\/td>\n<\/tr>\n
Keyway Width<\/td>\n14 mm (\u03a645) \/ 12 mm (\u03a640) \/ 10 mm (\u03a635)<\/td>\n<\/tr>\n
Keyway Depth<\/td>\n39.5 mm (\u03a645) \/ 35 mm (\u03a640) \/ 30 mm (\u03a635)<\/td>\n<\/tr>\n
Bolt Thread<\/td>\nM14 (\u03a645) \/ M12 (\u03a640, \u03a635)<\/td>\n<\/tr>\n
Unit Weight<\/td>\n35 kg<\/td>\n<\/tr>\n
Gear Material<\/td>\n20CrMnTi carburized & case-hardened alloy steel<\/td>\n<\/tr>\n
Material de vivienda<\/td>\nQT450 ductile cast iron<\/td>\n<\/tr>\n
Tipo de rodamiento<\/td>\nTapered roller bearings (GCr15 steel)<\/td>\n<\/tr>\n
Dureza de la superficie del engranaje<\/td>\n58\u201362 HRC (case-hardened)<\/td>\n<\/tr>\n
Lubricaci\u00f3n<\/td>\nISO VG 220 industrial gear oil, splash lubrication<\/td>\n<\/tr>\n
Seal Type<\/td>\nDouble-lipped oil seals, NBR compound<\/td>\n<\/tr>\n
Surface Treatment<\/td>\nPhosphating + two-coat agricultural enamel<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Shaft Dimension Options<\/h3>\n

Three input shaft configurations are available to match common tractor PTO coupling standards used in Brazil, Europe (DIN 9611), and North America (ASAE S6.1).<\/p>\n

\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
A (Shaft Dia.)<\/th>\nB (Keyway Width)<\/th>\nC (Keyway Depth)<\/th>\nD (Bolt Thread)<\/th>\n<\/tr>\n<\/thead>\n
\u03a645<\/td>\n14<\/td>\n39.5<\/td>\nM14<\/td>\n<\/tr>\n
\u03a640<\/td>\n12<\/td>\n35<\/td>\nM12<\/td>\n<\/tr>\n
\u03a635<\/td>\n10<\/td>\n30<\/td>\nM12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"agricultural-gearbox-EP-QZ115<\/p>\n<\/div>\n<\/div>\n

2. What Is the EP-QZ115 Silage Machine Gearbox?<\/h2>\n

The EP-QZ115 silage machine gearbox is a purpose-designed silage machine gearbox<\/strong> specifically engineered for double-disc forage harvesters used in commercial and farm-scale silage production. At its core, this is a power transmission unit that bridges the tractor’s PTO output and the twin cutting discs of the harvesting head \u2014 handling the precise torque loads, rotational synchronization, and shock absorption demands that define real-world field operation. It is classified under the broader family of forage harvester gearbox<\/strong> systems, sharing the same design philosophy as industrial agricultural transmission units but optimized for the dimensional and load constraints of double-disc machines.<\/p>\n

Unlike single-disc alternatives, the double-disc layout requires both output shafts to spin at exactly the same speed and in phase \u2014 otherwise, the cutting knives generate uneven chop lengths and increased vibration. The EP-QZ115 silage machine gearbox achieves this synchronization through its balanced Gleason helical tooth geometry, which reduces backlash to a minimum while also lowering operational noise. The housing is manufactured from cast alloy steel, pressure-tested to ensure zero oil leakage at rated loads, and designed to accept standard agricultural flange bolt patterns for drop-in installation on most commercially available silage harvesting platforms.<\/p>\n

Producers in Brazil, Argentina, and across Latin America have increasingly adopted corn silage harvester gearbox<\/strong> solutions at this specification level, driven by the shift toward total mixed ration (TMR) feeding systems that demand consistent forage quality. The EP-QZ115 silage machine gearbox addresses that need directly \u2014 providing a reliable, field-serviceable replacement gearbox for silage harvester<\/strong> platforms without requiring machine modifications.<\/p>\n<\/div>\n

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3. How the Silage Machine Gearbox Works<\/h2>\n

The power flow begins at the tractor PTO shaft, which delivers rotational energy at 540 or 1000 rpm into the gearbox input flange. Inside the EP-QZ115 silage machine gearbox , this input torque passes through the Gleason helical gear set \u2014 a tooth geometry chosen for its high contact ratio and gradual load engagement, which significantly reduces impact shock compared to spur gears when the cutting discs encounter dense crop material like standing maize or thick-stemmed grass swards. The helical arrangement also operates with less noise, an important consideration when operators spend long hours adjacent to the machine.<\/p>\n

From the central gear set, power is split symmetrically to two output shafts \u2014 each driving one cutting disc. The 1:1 speed ratio means both discs rotate at precisely the same speed as the input, which is intentional: in a double-disc forage harvester gearbox<\/strong> application, maintaining input speed at the disc level (rather than reducing it) allows the knives to achieve the cutting velocity needed for clean, low-compression cuts through the crop stem. Compression-cut forage bruises cell walls and accelerates aerobic spoilage during fermentation, while knife-speed-optimized cutting like that enabled by the EP-QZ115 silage machine gearbox produces a dry, clean chop face that seals more reliably in the clamp or bag.<\/p>\n

Bearing selection inside the EP-QZ115 silage machine gearbox follows heavy-duty agricultural standards \u2014 tapered roller bearings handle the combined radial and axial loads generated when the discs contact the crop, while shaft seals are double-lipped to prevent field contamination from crop dust, moisture, and abrasive soil particles from entering the lubricant. This self-contained design means the pto driven silage harvester gearbox<\/strong> requires no external hydraulic lines, cooling circuits, or electronic controls \u2014 it is purely mechanical and field-repairable with basic workshop tooling.<\/p>\n<\/div>\n

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4. Materials & Metallurgical Specification<\/h2>\n

Material selection for a heavy duty forage harvester gearbox<\/strong> like the EP-QZ115 silage machine gearbox is not arbitrary \u2014 it directly determines how the unit responds to the cyclical impact loading that occurs every time the cutting discs strike a dense crop row. The gear teeth are cut from 20CrMnTi alloy steel<\/strong> (chromium-manganese-titanium steel per GB\/T 3077), which undergoes carburizing followed by case hardening to achieve a surface hardness of 58\u201362 HRC while maintaining a tough, impact-resistant core hardness of 30\u201338 HRC. This dual-zone hardness profile prevents the surface wear associated with soft gears while avoiding the brittle fracture failure mode of through-hardened steels.<\/p>\n

The housing is cast from QT450 ductile iron<\/strong> (nodular cast iron per ISO 1083), selected for its excellent combination of strength, machinability, and vibration damping. Ductile iron absorbs operational vibration at a higher rate than welded steel fabrications, which matters significantly when the machine is working through uneven terrain or heavily lodged crop. All bearing seats are finish-bored and ground to H7 tolerance to ensure correct interference fit with the GCr15 tapered roller bearings. Shaft seals are manufactured from NBR (nitrile butadiene rubber) compound, providing resistance to petroleum-based gear oils as well as the moisture and crop juice environment of forage harvesting. Surface finishing consists of a phosphating conversion coating followed by two coats of agricultural-grade enamel \u2014 a combination that has proven effective in the high-humidity, UV-intensive conditions common across Brazil’s Cerrado and Sul regions.<\/p>\n<\/div>\n

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5. Five Key Advantages of the EP-QZ115 silage machine gearbox<\/h2>\n
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01 \u2014 Synchronized Dual-Disc Drive<\/div>\n

Both output shafts are driven from a single Gleason helical gear set, maintaining phase-perfect synchronization regardless of load variation. This eliminates differential disc speed \u2014 the primary cause of uneven chop length and increased knife wear in double-disc silage machines.<\/p>\n<\/div>\n

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02 \u2014 High-Torque, Low-Shock Transmission<\/div>\n

At 580 N\u00b7m rated torque with a 1.5\u00d7 service factor, the EP-QZ115 handles dense crop entry and hard-stalk crops like mature maize without tooth skip or overload failure. Helical tooth geometry distributes contact stress across a wider face, reducing peak Hertzian contact pressure compared to spur gear designs.<\/p>\n<\/div>\n

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03 \u2014 Field-Ready Durability<\/div>\n

QT450 ductile iron housing, 20CrMnTi case-hardened gears, and GCr15 tapered roller bearings deliver a design life well beyond a single season of intensive silage harvesting. Units are pressure-tested for oil integrity before dispatch, and the double-lipped NBR seals prevent field contamination in dusty, humid conditions.<\/p>\n<\/div>\n

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04 \u2014 Universal PTO Compatibility<\/div>\n

Three input shaft diameter options (\u03a635, \u03a640, \u03a645 mm) allow the EP-QZ115 silage machine gearbox to integrate directly with the PTO coupling standards used by major tractor brands across Brazil (New Holland, John Deere, Massey Ferguson, Valtra). No adapter sleeves or custom machining required for standard platform installations.<\/p>\n<\/div>\n

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05 \u2014 Consistent Forage Quality<\/div>\n

Clean, knife-speed-optimized cuts minimize forage cell wall compression, preserving water-soluble carbohydrates available to lactic acid bacteria during fermentation. Consistent particle length (achievable when disc speed is stable) supports rapid silo face consolidation \u2014 a critical factor in reducing dry matter losses in tropical climates.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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6. Application Scenarios<\/h2>\n

The EP-QZ115 silage machine gearbox<\/strong> is deployed across a wide range of agricultural production systems where reliable forage harvesting directly impacts livestock performance and operational profitability.<\/p>\n

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Corn Silage Harvesting<\/h3>\n

Mature maize is the most demanding crop in terms of stalk diameter and disc torque requirements. The EP-QZ115 silage machine gearbox’s 580 N\u00b7m rating handles whole-plant corn harvesting at commercial speeds without stalling or generating excessive knife deflection. This makes it a primary choice for the corn silage harvester gearbox<\/strong> replacement market in Mato Grosso, Goi\u00e1s, and Paran\u00e1 states of Brazil, where large-scale dairy and feedlot operations rely on corn silage as their base ration ingredient.<\/p>\n<\/div>\n

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Grass & Tropical Forage Crops<\/h3>\n

Brachiaria, Napier grass (capim-elefante), and Tifton 85 are the dominant silage crops across tropical Brazil. These high-biomass grasses present a different challenge than corn \u2014 they are lighter per stem but accumulate in the cutting head at high bulk density. The synchronized disc drive of the EP-QZ115 silage machine gearbox prevents crop wrapping and feeding irregularities that are common failure modes when discs run at even fractionally different speeds.<\/p>\n<\/div>\n

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Alfalfa & Legume Silage<\/h3>\n

Alfalfa’s fine-stemmed, multi-cut nature means the silage machine is operated more frequently per season than in corn production. The EP-QZ115’s maintenance schedule \u2014 oil changes every 200 hours and periodic seal inspection \u2014 keeps downtime low in high-utilization alfalfa operations. As a forage harvester spare parts gearbox<\/strong> option, it fits existing double-disc platforms without frame modification.<\/p>\n<\/div>\n

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Dairy Farm Feed Preparation<\/h3>\n

On integrated dairy farms, the silage machine is operated 40\u2013120 days per year during the main harvest window. Consistent particle size from the EP-QZ115 silage machine gearbox ‘s synchronized cutting system directly affects silo packing density and fermentation quality \u2014 two variables that nutritionists consider critical to NDF digestibility and peak milk production.<\/p>\n<\/div>\n

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Custom & Contractor Services<\/h3>\n

Agricultural contractors who operate silage machines commercially \u2014 harvesting for multiple farms across a season \u2014 place very high reliability demands on gearbox components. The EP-QZ115 silage machine gearbox is frequently specified as the silage harvester machine gearbox replacement<\/strong> of choice by contracting fleets because its standard shaft dimensions allow interchangeability across mixed equipment inventories.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\"agricultural-gearbox-EP-QZ115<\/p>\n

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7. Maintenance Guidelines<\/h2>\n

Extending the service life of a silage machine gearbox<\/strong> is straightforward when a structured maintenance protocol is followed. The EP-QZ115 is designed for field serviceability \u2014 all service points are accessible with standard agricultural workshop tools.<\/p>\n

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Step 1 \u2014 Pre-Season Oil Check<\/strong><\/p>\n

Check oil level using the dipstick or sight glass. Use ISO VG 220 gear oil. Replace oil if it appears milky (indicating water ingress) or black and gritty (indicating oxidation or metal particle contamination).<\/p>\n<\/div>\n

Step 2 \u2014 Seal Inspection (Every 200 hr)<\/strong><\/p>\n

Inspect all shaft seals and housing gaskets for seepage. Replace double-lipped NBR seals showing cracking, hardening, or lip wear. Seal failure is the most common preventable cause of gear oil contamination in field conditions.<\/p>\n<\/div>\n

Step 3 \u2014 Alignment Verification<\/strong><\/p>\n

After any impact event (rock strike, lodged crop jam), verify that the gearbox mounting flanges are still square to the machine frame. Misalignment of more than 0.5 mm across the flange face accelerates bearing wear and shortens gear life significantly.<\/p>\n<\/div>\n

Step 4 \u2014 Vent Cleaning<\/strong><\/p>\n

Clean the breather\/vent cap after every harvesting session. Blocked ventilation causes pressure buildup inside the housing, forcing oil past seals even when seals are undamaged. This is a frequently overlooked but straightforward preventive measure.<\/p>\n<\/div>\n

Step 5 \u2014 Bolt Torque Check<\/strong><\/p>\n

Verify all mounting bolts to the machine frame against the manufacturer torque specification (M14: 130 N\u00b7m; M12: 90 N\u00b7m) after the first 10 hours of a new installation and then annually. Vibration-induced bolt loosening is a primary cause of housing crack damage.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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8. Regulatory Compliance & Standards<\/h2>\n

Agricultural machinery transmission components are subject to a variety of national and international standards depending on the market of operation. Buyers specifying a forage harvester gearbox supplier<\/strong> should verify that components meet the regulatory framework applicable to their country of operation.<\/p>\n

\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n
Region<\/th>\nStandard \/ Regulation<\/th>\nRelevance to Gearbox<\/th>\n<\/tr>\n<\/thead>\n
Brazil<\/td>\nABNT NBR 15985 \/ NR-31 (Agricultural Safety)<\/td>\nPTO shaft guarding, operator protection during maintenance of agricultural machinery transmissions<\/td>\n<\/tr>\n
EU<\/td>\nMachinery Directive 2006\/42\/EC + EN ISO 4254-7<\/td>\nSafety requirements for forage harvester design; CE marking required for free market circulation<\/td>\n<\/tr>\n
EE.UU.<\/td>\nASAE S318 \/ ASAE S206 (PTO Shaft Standards)<\/td>\nDimensional and performance standards for PTO-driven agricultural gearbox shafts; relevant to \u03a635\u2013\u03a645 input coupling<\/td>\n<\/tr>\n
International<\/td>\nISO 9001:2015 Quality Management<\/td>\nManufacturing quality system standard; confirms production process traceability and product consistency<\/td>\n<\/tr>\n
International<\/td>\nISO 6336 (Gear Strength Calculation)<\/td>\nStandard methodology for calculating bending and pitting resistance of gears; validates torque rating methodology<\/td>\n<\/tr>\n
Argentina<\/td>\nIRAM 20543 \/ Resolution 235\/1996 (SENASA)<\/td>\nImport and use of agricultural machinery components; relevant for buyers sourcing replacement gearboxes for certified harvesters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

<\/p>\n

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9. About Us<\/h2>\n

We are an ISO 9001:2015-certified manufacturer specializing in agricultural power transmission equipment \u2014 including the full range of silage machine gearboxes, forage harvester transmission units, PTO-driven gearboxes, and associated drivetrain components. Our engineering team has over decades of focused experience in designing agricultural gearboxes that meet the specific demands of field-level operation: high torque, shock resistance, sealed housings, and field-serviceable designs that keep downtime short during the harvest window.<\/p>\n

Our production facility employs CNC gear hobbing, grinding, and case-hardening processes traceable to batch-level quality records. All outgoing gearboxes undergo oil pressure testing, gear mesh backlash verification, and dimensional inspection before packaging. We supply both OEM customers integrating our gearboxes into new silage machine builds and aftermarket buyers sourcing a reliable silage harvester gearbox manufacturer for fleet maintenance. Custom shaft configurations, special gear ratios, and rebranded OEM supply arrangements are available on request.<\/p>\n<\/div>\n

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WorkShop<\/h3>\n
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\"Agricultural
\n\"Agricultural
\n\"Soil<\/div>\n<\/div>\n<\/div>\n
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10. Related Products \u2014 Complete System Solutions<\/h2>\n

A high-performing silage machine gearbox works best when the entire drivetrain is matched in specification. We manufacture the full range of components that connect tractor to cutting head \u2014 ensuring system-level compatibility, single-source accountability, and simplified spare parts management.<\/p>\n

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PTO Shafts for Forage Harvesters<\/h3>\n

Properly specified PTO shafts are the link between tractor output and the EP-QZ115 silage machine gearbox input flange. We supply agricultural PTO shafts in multiple cross joint sizes (22\u00d754 mm to 35\u00d7106 mm), with friction clutch, overrunning clutch, and torque limiter options \u2014 all compatible with the \u03a635, \u03a640, and \u03a645 input shaft configurations of the EP-QZ115.<\/p>\n

\"PTO<\/p>\n<\/div>\n

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Roller Chains & Sprockets<\/h3>\n

Many silage machine platforms use chain and sprocket secondary drives downstream of the main gearbox \u2014 for header feed rollers, crop accelerators, and spout positioning mechanisms. Our agricultural roller chains and matching sprockets are manufactured to ISO 606 \/ DIN 8187 standards, pre-stretched and pre-lubricated for immediate installation. Using matched-set chain and sprockets reduces initial wear and elongation, extending the service interval between replacements.<\/p>\n

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

<\/p>\n

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Frequently Asked Questions<\/h2>\n
\nQ1. How do I select the right silage machine gearbox for a double-disc tractor-mounted forage harvester in Brazil?
\n\u25bc<\/span><\/summary>\n
Selection starts with three parameters: (1) your tractor’s PTO output shaft diameter (\u03a635, \u03a640, or \u03a645 mm are the most common in Brazilian market tractors), (2) the rated torque required for the crop type \u2014 mature corn typically needs 500+ N\u00b7m, while grass silage can work at lower ratings, and (3) whether your machine uses a 1:1 or speed-increasing ratio. The EP-QZ115’s 1:1 ratio and 580 N\u00b7m output cover the large majority of tractor-mounted double-disc applications. Consult your machine’s OEM technical manual or contact our team with the machine model number for a confirmed match.<\/div>\n<\/details>\n
\nQ2. Which ISO or DIN standards apply to silage harvester gearbox manufacturing, and how can a buyer verify compliance?
\n\u25bc<\/span><\/summary>\n
The primary standards applicable to silage harvester gearbox manufacturing are: ISO 6336 (gear tooth strength and load capacity calculation), ISO 9001:2015 (quality management system), ISO 1083 (ductile iron casting standard for housing material), and DIN 3990 (gear geometry and tolerance). Buyers can verify compliance by requesting the manufacturer’s ISO 9001:2015 certificate from an accredited certification body (SGS, T\u00dcV, Bureau Veritas), reviewing material test certificates (MTCs) for steel batches, and requesting third-party inspection of outgoing units through organizations like SGS or Intertek, which operate in both Brazil and Argentina.<\/div>\n<\/details>\n
\nQ3. Which forage harvester gearbox specification is best suited for heavy-duty corn silage operations in Mato Grosso, Brazil?
\n\u25bc<\/span><\/summary>\n
For large-diameter corn (stem diameter above 30 mm, plant height above 2.5 m) harvested in full-plant mode, a gearbox with at minimum 550 N\u00b7m rated torque and Gleason helical or spiral bevel tooth geometry is recommended. The EP-QZ115 silage machine gearbox at 580 N\u00b7m rated and 870 N\u00b7m peak (with 1.5\u00d7 service factor) fits comfortably within this specification. Case-hardened 20CrMnTi gears and QT450 housing construction are the material benchmarks for this duty cycle. Units with plain spur gears or lower torque ratings are not recommended for commercial-scale Mato Grosso corn silage production.<\/div>\n<\/details>\n
\nQ4. How does the agricultural forage harvester transmission handle shock loads when the cutting discs hit a rock or embedded obstruction?
\n\u25bc<\/span><\/summary>\n
Shock load management in the EP-QZ115 silage machine gearbox occurs through two mechanisms: (1) the helical tooth geometry distributes the instantaneous impact force across a larger tooth contact zone compared to spur gears, reducing peak stress on any single tooth section; and (2) the 1.5\u00d7 service factor built into the torque rating means the unit’s structural design capacity is 870 N\u00b7m \u2014 50% above the rated load \u2014 providing a safety margin for the brief overloads caused by obstructions. For operations in rocky fields, we recommend pairing the EP-QZ115 with a slip-clutch-equipped PTO shaft (available in our PTO shaft range) that limits peak transmission torque to below the gearbox’s structural limit regardless of the impact severity.<\/div>\n<\/details>\n
\nQ5. How does a PTO-driven silage harvester gearbox differ from a self-propelled forage harvester gearbox in design and torque rating?
\n\u25bc<\/span><\/summary>\n
A PTO-driven silage harvester gearbox like the EP-QZ115 is sized for tractor PTO power levels \u2014 typically 40\u2013120 kW at 540 or 1000 rpm. Self-propelled forage harvester gearboxes are substantially larger, handling engine inputs of 300\u2013900+ kW with correspondingly higher torque ratings (often 2,000\u20138,000 N\u00b7m range) and planetary or multi-stage helical architectures. The mounting interfaces, housing dimensions, and service procedures are also completely different. The EP-QZ115 is exclusively designed for tractor-mounted (3-point hitch or trailed) double-disc silage platforms \u2014 not for installation in self-propelled machines.<\/div>\n<\/details>\n<\/div>\n

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

The EP-QZ115 is a heavy-duty forage harvester gearbox built for double-disc silage machines where synchronized, high-torque cutting is essential. It accepts PTO input at 1000 rpm and transmits power through Gleason helical gears to both cutting discs simultaneously, ensuring uniform chop length across the full working width. The result is improved forage digestibility, consistent particle size, and reduced mechanical downtime<\/p>","protected":false},"featured_media":1767,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2324],"product_tag":[],"class_list":{"0":"post-1766","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-silage-machine-gearbox","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/product\/1766","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/comments?post=1766"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/media\/1767"}],"wp:attachment":[{"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/media?parent=1766"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/product_brand?post=1766"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/product_cat?post=1766"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/es\/wp-json\/wp\/v2\/product_tag?post=1766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}