Caja de engranajes EP-192kW para empacadora cuadrada grande
The EP-DFK192 Square Baler Gearbox is a heavy-duty transmission unit engineered specifically for large-scale big square balers. Designed to handle extreme agricultural loads, it operates at a high input speed of 1000 r/min and supports a substantial nominal power rating of 192 kW. The gearbox delivers a rated torque of 1825 N.m, with an exceptional maximum load capacity of 4000 N.m, ensuring reliability during peak baling operations and shock loads. It features versatile shaft configurations, offering X-Y, X-Z, and X-E layout options to suit various machinery designs, along with 2 types of X-axis specifications for precise compatibility. Built for durability and high efficiency, the EP-DFK192 provides robust power transfer for continuous harvesting. Custom specifications are available to meet specific OEM requirements, making it a dependable choice for modern, high-capacity balers.
Agricultural Transmission · Big Square Baler Series
EP-192kW Square Baler Gearbox for Big Square Baler — EP-DFK192
A three-output, heavy-section square baler gearbox purpose-engineered for big square baler platforms — 192 kW nominal, 1825 N·m rated torque, 4000 N·m maximum load, 1000 r/min input. Three simultaneous output axes (X-Y, X-Z, X-E) drive every major machine assembly from one transmission, available in two X-axis output types. The most mechanically comprehensive square baler gearbox in this series — built for the machines that define the upper limit of large-format agricultural baling.
Technical Specifications — EP-DFK192
All parameters are sourced directly from the EP-DFK192 engineering drawing and factory data sheet. Torque figures are confirmed values, not estimated from power curves. Custom variants accepted on request.
| Output Axes | Suitable For | RPM Input (r/min) | KW Nom (kW) | Par nominal (N·m) | Maximum Load (N·m) | X-Axis Type |
|---|---|---|---|---|---|---|
| X-Y / X-Z / X-E | Big Square Baler | 1000 | 192 | 1825 | 4000 | 2 types |
| Remark: Three-output configuration (X-Y main, X-Z secondary, X-E auxiliary). Custom shaft types, gear ratios, and surface treatments accepted. Contact us with your requirements. | ||||||
Outline Dimensions (mm)
| Longitud total (mm) | Overall Height (mm) | Body Depth (mm) | Main Flange Dia. (mm) | Input Shaft Dia. (mm) | Z-Axis Offset (mm) | Base Bolt |
|---|---|---|---|---|---|---|
| 1083.4 | 599.3 | 308.3 (×2) | Ø159.2 | Ø16.5 (2-Ø51 bolt) | 302.0 (Z to X-axis) | 2-M20 / 2-M10 |
| Additional notes: Front face width 402.0–402.0 mm. Drive chain side 548.0 mm. Main gear pitch circle Ø600.0 mm. E-axis offset 233.0 mm / 50° from centerline. Output stub 160.0 × 137.0 mm (F-section, 2:1 scale). Input chain connection: M12×1.5 thread. | ||||||

What Is the EP-DFK192 Square Baler Gearbox?
The EP-DFK192 is a three-output, central transmission unit designed specifically for big square balers — a fundamentally different product from the single-output baler gearboxes that serve mid-range and large-square platforms. Where conventional square baler gearbox designs deliver one output shaft to drive the baler's main crankshaft, the EP-DFK192 simultaneously provides three independent output axes: X-Y (main drive), X-Z (secondary drive), and X-E (auxiliary/extra output). This architecture is required by big square baler designs that integrate the plunger drive, the crop feeding mechanism, and an auxiliary driven assembly — such as a flywheel brake or secondary compressor — all from a single central transmission without the mass of internal countershafts and secondary chains that single-output designs would require.
The rated torque of 1825 N·m and maximum load of 4000 N·m position this square baler gearbox in a class well above anything in the standard agricultural market. To put the 4000 N·m maximum in context: at 1000 r/min input speed, 4000 N·m at the driveshaft corresponds to approximately 419 kW — more than twice the nominal 192 kW operating point. This wide torque-to-nominal ratio exists for the same reason as the high peak hp ratings in other series models: the baler's flywheel inertia discharge during a jam event imposes a momentary torque at the gearbox that can be many times the steady-state figure. The EP-DFK192 is designed to survive that event not once, but across the thousands of cycles that constitute a full commercial baling season.
The X-axis output is available in 2 types — confirmed in the technical data — accommodating the two principal drive interface geometries used across big square baler platforms globally. This dual-type X-axis availability means the EP-DFK192 can be integrated into a wider range of machine designs without a custom shaft modification, which is a meaningful procurement advantage for OEM manufacturers and for operations sourcing a replacement square baler gearbox for a specific big baler platform in Australia, the UK, or North American markets.
How Does the EP-DFK192 Square Baler Gearbox Work?
The EP-DFK192 operates at a fundamentally different level of mechanical complexity from any other model in this square baler gearbox series. Power enters at the input shaft at 1000 r/min — faster than the standard 540 r/min PTO class, reflecting the electric motor or high-speed PTO input used on many big square baler platforms that run dedicated power sources rather than direct tractor PTO. The central large-diameter gear set — visible in the front-view drawing as a large ring gear with an approximate pitch circle of Ø600.0 mm, engaged by a smaller pinion at the input — distributes torque simultaneously to three output axes: X-Y (the main plunger crankshaft drive axis), X-Z (a secondary perpendicular output, offset 302.0 mm from the main X axis), and X-E (an auxiliary output at 233.0 mm offset at a 50° angle from the main axis, driving the feed mechanism or a secondary assembly).
Comprensión how a square baler gearbox works at this level requires recognizing that the three outputs are not independent shafts with separate gear trains — they are geometrically linked through the central gear set, which means their speed relationships are fixed by the transmission's internal design and cannot drift relative to each other during operation. This kinematic rigidity is essential on a big square baler where the plunger, crop feeder, and auxiliary mechanism must remain in precise phase relationship throughout every baling cycle. A single-output gearbox driving all three via chain drives inside the machine would allow phase error to accumulate from chain stretch over time; the EP-DFK192's integrated three-output architecture eliminates this failure mode entirely.
The rated torque of 1825 N·m at the input shaft — at 1000 r/min, this corresponds to the full 192 kW nominal power — and the maximum load of 4000 N·m define the gearbox's structural envelope. The maximum load figure (4000 N·m) represents the inertia discharge torque that occurs when the plunger jams and the system's flywheel energy discharges through the gearbox. At 4000 N·m versus the 1825 N·m rated point, the ratio is approximately 2.2:1 — meaning the gearbox is designed for a peak event more than twice the steady-state working load. Every gear tooth, shaft, bearing, and housing wall in the EP-DFK192 is sized for this 4000 N·m figure, which is why this square baler gearbox can sustain commercial big baler operation across full harvesting seasons without tooth fatigue or structural fatigue in the housing.
The engineering drawing confirms the scale of this unit: 1083.4 mm overall length, 599.3 mm overall height, and a body depth of 308.3 mm on each side of the central gear housing. The large front-face flange at Ø159.2 mm and the E-axis detail view (F-section at 2:1 scale showing 133.5 × 106.4 mm cross-section with 2-M10 bolts) reflect the heavy structural engineering required at every interface to maintain alignment under the 4000 N·m maximum load across all three output axes simultaneously.
Five Key Advantages of the EP-DFK192
What separates this square baler gearbox from every single-output model in the market — and why big square baler OEMs and commercial operators specify it by name.
1 · Three Simultaneous Output Axes — X-Y, X-Z, X-E
The EP-DFK192 delivers three independent driven outputs from one 192 kW input — main axis, secondary perpendicular axis, and auxiliary angled axis — all phase-locked through the central gear set. This three-output architecture eliminates the internal chain drives, countershafts, and secondary sprocket assemblies that single-output gearboxes require to drive all three machine mechanisms from one shaft. Fewer intermediate components means fewer wear points, simpler frame geometry inside the baler, and more reliable kinematic synchronization across the full range of square baler operation conditions encountered commercially.
2 · 4000 N·m Maximum Load — 2.2× Nominal Margin
The 4000 N·m maximum load rating versus the 1825 N·m working torque provides a 2.19:1 margin above the rated operating point. In big square baler applications where the flywheel mass and inertia are substantially larger than on mid-range machines, the inertia discharge event during a jam can approach or exceed 4000 N·m at the gearbox input. A transmission sized to its nominal working torque only would fail tooth fatigue quickly under repeated events of this magnitude. The EP-DFK192's 4000 N·m maximum load certification provides the structural confidence that commercial operators in USA and Australian big baler markets need to commit to this specification without unplanned service intervals driven by drivetrain fatigue failures.
3 · Large-Diameter Central Gear — Load-Distributing Architecture
The engineering drawing's front view reveals a central ring gear with an approximate pitch circle of Ø600.0 mm, engaged by the input pinion. A large gear diameter distributes the 4000 N·m maximum torque across a proportionally large face width and tooth count, keeping per-tooth contact stress within the fatigue endurance limit of the gear material at the maximum load point. This large-gear architecture is a deliberate design choice for the big square baler application — it provides the torque capacity within a manageable housing envelope rather than requiring a larger module gear set at a smaller diameter that would impose impossible housing size constraints on the machine frame.
4 · Two X-Axis Output Types — Interface Flexibility
The main X-axis output is available in two distinct interface types, as confirmed in the technical data. This dual-type availability means the EP-DFK192 integrates with the two principal drive coupling geometries used across commercially significant big square baler platforms globally — including those common in UK and European markets and those used in North American and Australian machines. For a buyer sourcing a replacement square baler gearbox for a specific big baler model, having two interface options available from one part number reduces the likelihood of requiring a custom-machined adapter shaft between the gearbox and the baler's crankshaft coupling. Provide your existing output coupling geometry at enquiry stage for a direct confirmation of which type is required.
5 · ISO 9001:2015 Certified — Every Batch Documented
A gearbox at this complexity and power level — three output axes, 4000 N·m maximum load, 1083.4 mm overall length — requires quality management rigor that informal production cannot provide. ISO 9001:2015 certification governs every production step: raw material incoming inspection, housing bore CMM check post-casting, gear contact pattern verification after heat treatment, bearing preload measurement after assembly, thermal run-in at 1000 r/min, and oil temperature stabilization confirmation before packaging. For OEM buyers in the Netherlands, South Korea, and Canada requiring quality certificates as part of their import documentation, this certification record is provided as a standard deliverable with every commercial order of this new square baler gearbox unit.
Materiales y normas de fabricación
The EP-DFK192's 4000 N·m maximum load and three-output architecture impose material and process requirements that go well beyond standard agricultural gearbox production. The following is an accurate description of how each component is specified to meet this demand.
Alojamiento
Ductile iron GGG50 / QT500-7 with multi-section casting designed to accommodate three output shaft bearing positions at specific geometric relationships to each other. The 1083.4 mm overall length creates significant bending moments across the housing under the 4000 N·m maximum load — housing section design and rib placement are calculated to maintain all bearing bore relationships within the 0.02 mm geometric tolerance that ensures stable gear mesh across all three output axes simultaneously.
Main Gear Set
The large-diameter ring gear and input pinion are produced from 20CrMnTi alloy steel, gas-carburized to a case depth calculated for the Hertzian contact stress at 4000 N·m maximum load on the large pitch circle. Surface hardness HRC 58–62. Tooth flanks finish-ground after heat treatment. The large pitch circle gear is one of the most dimensionally demanding components to grind accurately — CMM contact pattern measurement post-assembly confirms the profile accuracy before the unit proceeds to run-in testing.
Output Shafts — Three Axes
42CrMo4 alloy steel shafts, quenched and tempered to 310–350 HB, for all three output positions. The X-Y main shaft is the most heavily loaded and is sized to carry 4000 N·m maximum torsion without exceeding its fatigue limit. X-Z and X-E shafts are sized to their respective torque shares at maximum load. All shaft journals machined to h6 tolerance after heat treatment. The E-axis output stub (F-section, 133.5 × 106.4 mm, 2-M10 bolts) is machined to the tolerance and geometry detailed in the 2:1 detail view of the engineering drawing.
Bearings — Multiple Positions
Heavy-duty tapered roller bearings at all shaft positions — input, X-Y, X-Z, and X-E — selected individually for the specific radial and axial loads at each location under the 4000 N·m maximum load scenario. Thermally installed inner rings. Axial preloads set with precision-ground spacers and confirmed by rolling-torque measurement post-assembly. The large-diameter ring gear generates substantial radial and axial loads on the main shaft bearings — these are sized for the full load, not interpolated from a lower-rated design.
Sealing — All Shaft Exits
FKM (Viton) double-lip seals at all output shaft exits — the elevated temperatures and sustained continuous operation loads of a 192 kW big square baler application require this material grade at every position, not just the highest-speed shaft. Inboard labyrinth dust shields at each position. The M12×1.5 input chain connection interface is sealed separately to prevent chain lubricant contamination of the main gearbox oil volume — a design detail specific to the chain-input drive interface visible in the engineering drawing.
Quality System
ISO 9001:2015 certified. Incoming raw material batch-tested for chemistry, microstructure, and mechanical properties. Finished assembly: CMM dimensional inspection of all shaft positions, gear contact pattern record, thermal run-in at 1000 r/min with temperature stabilization measurement on all three output positions, and full documentation package. Every unit leaves with traceable test records.
The engineering content on this page is prepared by a team with over ten years of direct manufacturing experience in heavy-duty agricultural and industrial transmission systems. All parameters come from factory engineering drawings and test records — not from marketing literature or extrapolated estimates.

Escenarios de aplicación
The EP-DFK192 is not a general-purpose square baler gearbox — it is a precision multi-output transmission for specific big square baler applications where three simultaneous drive outputs and extreme torque tolerance are engineering requirements, not preferences.
Big Square Baler Main Drive Integration
The EP-DFK192's primary application is the big square baler — specifically, machines large enough to require three simultaneously driven mechanisms (main plunger crankshaft, crop feeder assembly, and auxiliary mechanism) from one central transmission. On big square balers operating across large-scale North American alfalfa and grain straw operations, the integrated three-output drive means the baler's kinematic timing between plunger and feeder is fixed by the gearbox geometry rather than adjusted through chain tensioners inside the machine — a fundamental reliability improvement for high-throughput commercial square baler operation where timing drift causes the most serious tie failures and bale inconsistency issues.
High-Power Motor-Driven Big Baler Systems
The 1000 r/min input speed is higher than the standard 540 r/min PTO class — indicating this gearbox is designed for integration with electric motor drives or high-speed power units rather than direct tractor PTO connection. Fixed-installation big square baler systems driven by electric motors in the 150–200 kW class — increasingly common in European automated biomass processing facilities, especially in the Netherlands and UK — operate at motor-speed inputs in the 1000 r/min range. The EP-DFK192's 192 kW nominal rating precisely matches the output class of standard agricultural electric drive motors used in these applications, making it a direct-fit transmission for motor-driven big baler installations without a secondary gear reduction stage.
Commercial Straw and Biomass Compaction
Industrial straw compaction for livestock bedding supply and biomass energy feedstock preparation represents one of the fastest-growing big square baler applications globally. These operations run balers at high throughput on materials ranging from dry wheat straw to wet miscanthus — crop conditions that can swing the peak torque at the gearbox across a wide range within a single operating shift. The EP-DFK192's 4000 N·m maximum load tolerance covers the full range of torque events that these materials generate, from the low-resistance end of the cycle to the high-density end where the plunger compresses a full bale chamber against maximum crop resistance. Biomass processing operations in the Netherlands, Canada, and Brazil find this tolerance range essential for uninterrupted production throughput.
OEM Big Square Baler Platform Development
Agricultural machinery manufacturers designing new big square baler platforms — for markets in South Korea, Australia, the UK, and North America — face a central engineering decision at the transmission design stage: single-output gearbox with internal chain multipliers, or multi-output central gearbox with direct drives. The EP-DFK192 enables the second architecture, producing lighter machine frames, more reliable kinematic timing, and simpler service access than the chain-multiplier alternative. OEM buyers at the platform design stage can request dimensional drawings, gear ratio data, and output torque allocation across all three axes to validate integration into their machine kinematic model before committing to tooling. Custom axis geometry and output speed ratios are negotiable at the design stage.
Replacement for Worn Big Baler Central Gearboxes
Big square balers accumulate very high drivetrain fatigue loads per operating hour — higher than smaller machines because of greater flywheel inertia and larger plunger masses. After 2,000–3,000 hours of commercial operation, central gearboxes on big balers typically reach the end of their service life through a combination of gear tooth wear, bearing fatigue, and seal degradation. For operators in USA markets, Australian broad-acre regions, and UK commercial baling businesses sourcing a replacement square baler gearbox for a big baler, the EP-DFK192 provides a documented, tested, ISO-certified replacement option with the same three-output architecture as the original factory unit. Dimensional compatibility can be confirmed from the engineering drawing before ordering.
Matched System Components — Complete Supply from One Source
A three-output square baler gearbox at 4000 N·m maximum load requires a matched input drive and a compatible baler machine platform. We supply the complete system from one manufacturing source, eliminating interface uncertainty at every connection point in the drivetrain.
Square Baler PTO / Drive Shaft
The EP-DFK192's 1000 r/min input speed requires an input driveshaft rated for 192 kW continuous and 4000 N·m peak torque at the gearbox input interface. Our eje de la toma de fuerza de la empacadora cuadrada range includes heavy-duty driveshaft configurations matched to the EP-DFK192's M12×1.5 chain input geometry, with torque ratings verified for the full maximum load event. For motor-driven installations, input coupling geometry matching the motor's output shaft standard is available as a custom option. Provide your motor or PTO specification for a direct fitment confirmation before ordering to ensure the full drivetrain meets the 4000 N·m peak requirement end-to-end.

Square Baler Machines
Buyers evaluating a complete big square baling system can source the machine and central gearbox from the same manufacturing base. Our square baler lineup — including hammer-claw type machines with 2200 mm picking width — is produced under the same ISO 9001:2015 quality system as the EP-DFK192 gearbox. Machine and gearbox from one manufacturing origin guarantees that shaft diameters, mounting centers, and kinematic speed relationships are validated together — removing the integration engineering burden that sourcing machine and gearbox from separate manufacturers would impose. This one-stop supply model is especially valued by equipment importers in Canada, South Korea, and the Netherlands who need a single technical reference for the complete system across the service life of the equipment.

Trade Terms & Delivery
The following terms apply to the EP-DFK192 square baler gearbox and matched big square baler drivetrain products.
| Item | Detail |
|---|---|
| Cantidad mínima de pedido | High-value drive products evaluated by total order value and configuration. Mixed orders (gearboxes, drive shafts, square baler parts kits) accepted to reach approx. USD 1,500 minimum. Single-unit orders available at adjusted pricing for trial and replacement needs. |
| Lead Time — Standard | Standard configuration (stock X-axis type, no custom machining): 20–45 working days. With simple customization (bore adjustment, surface treatment): 15–35 working days. |
| Lead Time — Custom | Non-standard output axis geometry, custom gear ratio, OEM labeling, or special housing treatment: 45–75 working days. Engineering review required before confirmed timeline. |
| Samples | 1–5 units available for new clients where appropriate. Complex configurations and new X-axis type requests assessed per project for sample lead time. |
| Trade Terms | EXW, FOB, CIF, DAP standard. FCA, CFR, CPT, CIP, DDP negotiable. Recommended for large transmission equipment: FOB / CIF / DAP / EXW. |
| Mixed Orders | EP-DFK192 gearboxes, drive shafts, and square baler parts kits can be consolidated in one shipment to reach the minimum order threshold. |
| Quality Documents | ISO 9001:2015 certificate, dimensional drawing, gear contact pattern records, thermal run-in test data (all three output axes), material certificates, and torque verification records available for commercial and OEM orders. |
About Us — 10+ Years in Heavy Agricultural Transmission Engineering
More than ten years of focused manufacturing experience in mechanical power transmission supports everything we produce — from a standard 80 hp single-output square baler gearbox to the EP-DFK192's three-output, 4000 N·m maximum load big square baler unit. Our product range spans agricultural gearboxes, worm gear reducers, planetary gear drives, PTO shafts, hydraulic cylinders, gears, chains, and motors — all produced under an ISO 9001:2015 certified quality management system that applies equally to every product tier, not selectively to high-profile units.
Our manufacturing scope covers gearbox assemblies in ductile iron, cast iron, cast steel, precision cast steel, and cast aluminum, alongside gears, sprockets, worm gears, pulleys, shafts, and both standard and non-standard mechanical components — all in-house.
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