EP2100-T3-Rundbalpressväxellåda för rundbalpress och skördetröska
The EP2100-T3 Round Baler Gearbox is a high-performance unit engineered specifically for round balers and harvesters. Featuring a precise 2.1:1 deceleration ratio, it converts a standard 540 r/min input into a robust 257 r/min output, ensuring optimal operational speed for baling mechanisms. Capable of handling 80 kW (approx. 107 hp) of nominal power, this gearbox delivers reliable torque transmission for demanding agricultural tasks. It utilizes advanced Gleason Helical Teeth technology, which provides superior load distribution, reduced noise, and enhanced durability compared to standard spur gears. Designed for heavy-duty field conditions, the EP2100-T3 ensures efficient power transfer and long service life. Custom configurations are available to meet specific machinery requirements, making it a versatile choice for modern agricultural equipment manufacturers.
Round Baler Gearbox Series
EP-Round Baler Gearbox for Round Baler and Harvester — EP2100-T3
A precision-engineered round baler gearbox delivering 80 hp / 100 N·m output torque at 2.1:1 deceleration, purpose-built for demanding hay baling and harvesting operations worldwide.
Technical Data — EP2100-T3 Round Baler Gearbox
The table below summarises the rated performance parameters for the EP2100-T3. All values are verified under continuous-duty test conditions at nominal PTO input speed.
| Modell | Typ | Ratio (i) | Input (r/min) | Utgång (r/min) | Power (hp) | Vridmoment (N·m) | Toothing | Suitable For |
|---|---|---|---|---|---|---|---|---|
| EP2100-T3 | Decelerate | 2.1 : 1 | 540 | 257 | 80 | 100 | Gleason Helical | Round baler, harvester, etc. |
| Custom ratios, shaft configurations, and special surface treatments are available on request. | ||||||||
Dimensional Data
Outline dimensions are drawn from the certified engineering drawings. All measurements in millimetres unless stated.
| Parameter | Dimension | Parameter | Dimension |
|---|---|---|---|
| Overall Width (front view) | 244.0 mm | Overall Width (side view) | 190.0 mm |
| Centre Height (top half) | 197.0 mm | Centre Height (bottom half) | 197.0 mm |
| Input Hub Width | 127.0 mm | Output Hub Width | 127.0 mm |
| Flange Bolt Pattern | 8 × M16, depth 32 mm | Flange OD (pilot) | Ø103.9 mm |
| Side Flange PCD | 73.5 × 73.5 mm | Output Shaft Ø (H7) | Ø45.0 H7 |
| Input (A, B) Flange PCD | 4 × M10×1.5 on Ø120.0 mm | Bolt Pattern Angle | 45° |
Shaft End Options (X / Y / Z Positions)
| Option | Spline / Profile | Shaft Length | Spline Depth | Note |
|---|---|---|---|---|
| Option 1 (X Y Z) | 1-3/4 Z6 — ASAE S203.14 | 92 mm | 38 mm | Standard kraftuttagskoppling |
| Option 2 (X Y Z) | Wide-spline (same profile) | 92 mm | 38 mm | Extended engagement |
| Option 3 (X Y Z) | 8×38×32×8 Rectangular Spline | 90 mm | Key: 14×9×40 / M12×35 | Ø45.0 H7 bore |
| Option 4 (X Y Z) | 1-3/8 Z6 | 83 mm | 38,1 mm | Compact PTO coupling |
What Is a Round Baler Gearbox — and Why EP2100-T3?
A round baler gearbox is the mechanical heart of any round baling system. It transfers and converts rotational power from the tractor's PTO shaft into the controlled, high-torque output required to drive the baler's pick-up, compression rollers, and wrapping mechanisms. Without a reliable gearbox in place, field throughput drops sharply — and so does the condition of the bale.
The EP2100-T3 is our flagship model in the EP-Round Baler Gearbox line, engineered specifically for round baler and harvester applications that demand continuous-duty performance. With a fixed deceleration ratio of 2.1:1, an input speed of 540 r/min (matching the standard tractor PTO), and an output torque rating of 100 N·m at 80 hp, this round baler gearbox is sized for mid- to large-capacity balers operating across open grain fields, pastures, and mixed forage conditions. The Gleason Helical Teeth configuration ensures smooth meshing, lower vibration, and quieter power delivery compared to straight-cut alternatives — qualities that matter when the machine runs for 10 or more hours in a single day.
Whether you are running a high-density hay press, a variable-chamber silage baler, or a harvester retrofit, the EP2100-T3 slots into existing driveline layouts through multiple input/output spline options. It supports 1-3/4 Z6 (ASAE S203.14), 8×38×32×8 rectangular spline, 1-3/8 Z6, and Ø45.0 H7 output configurations — giving integrators and OEM assemblers genuine flexibility without special adapters.
Round Baler Gearbox Working Principle
Understanding the round baler gearbox working principle starts at the input shaft. The tractor's PTO rotates at a standard 540 r/min, feeding torque directly into the EP2100-T3's input stub. Inside the cast-iron housing, a set of Gleason Helical Teeth gears — ground and heat-treated to ISO accuracy grades — mesh at the 2.1:1 reduction ratio. Helical gear geometry distributes the tooth load across an elongated contact line rather than a single point, which reduces instantaneous stress peaks and allows the unit to absorb the shock loads typical of dense windrow pick-up: sudden slug ingestion, stone strikes, and uneven ground-following movements.
The output shaft exits at 257 r/min and drives the baler's main flywheel or cam ring, depending on the machine architecture. At this speed, the 100 N·m output torque is more than sufficient for compressing mixed hay, straw, or silage into tight cylindrical bales. Taper-roller bearings at both shaft ends pre-loaded during assembly handle combined radial and axial loads without free play, maintaining gear mesh geometry even under side-loading from the driveline. An oil-splash lubrication circuit, fed by a machined sump inside the housing, keeps all gear faces and bearing races wetted without requiring an external oil pump.
The mounting flange (8×M16 bolts on a 197 mm × 197 mm bolt pattern, depth 32 mm) provides rigid attachment to the baler frame. The housing measures 244 mm × 190 mm in plan view, keeping the overall envelope compact enough to fit inside baler frame rails without interference with the pick-up drive chain or wrapping arm linkages. Shaft seal positions are machined with standard tolerances, making replacement seals available from multiple aftermarket suppliers — a practical advantage for operators working in remote agricultural regions of Australia, Canada, South Korea, and the Netherlands.
Five Key Advantages of the EP2100-T3 Round Baler Gearbox
Helical gear contact spreads load across the full face width progressively — reducing peak stress, acoustic noise, and surface wear compared to straight-cut or spur alternatives. This translates to a longer service life under the cyclic shock loads typical of commercial baling operations.
Support for ASAE S203.14 1-3/4 Z6, 1-3/8 Z6, rectangular spline 8×38×32×8, and Ø45.0 H7 output means the EP2100-T3 integrates directly with the majority of round baler frames and PTO shafts on the market — eliminating custom adapter plates and reducing assembly time for round baler gearbox replacement jobs.
The ductile iron housing (244 mm × 190 mm plan envelope) keeps mass low and rigidity high. Machined mounting faces and an 8-bolt flange pattern eliminate alignment shimming during installation. The compact footprint also simplifies transport and storage when the gearbox is procured as a round baler gearbox replacement part or stocked as a workshop spare.
The 540 r/min input speed rating aligns with the universally adopted agricultural PTO standard, making this round baler gearbox for tractor applications a direct-fit solution. No intermediate drive shaft changes or range-box shifts are required, keeping installation costs predictable and downtime minimal during a harvest window.
Beyond the standard EP2100-T3 specification, the engineering team can adjust shaft dimensions, surface coatings (phosphate, black oxide, or galvanic protection), and gear ratios to meet OEM build requirements. This makes the EP2100-T3 platform suitable for both direct round baler gearbox replacement and new-machine design programmes where the standard ratio does not match the target bale chamber speed.
Materials, Manufacturing Standards & Quality
Material selection in an agricultural round baler gearbox is not a compromise exercise — the machine must survive dust, field debris, wide temperature swings, and abrupt load reversals every working day of the harvest season. The EP2100-T3 housing is produced in ductile iron (nodular iron, GGG50 equivalent), chosen for its combination of tensile strength (≥420 MPa) and impact resistance that plain grey cast iron cannot match. The gear pair uses alloy case-hardening steel (equivalent to 20CrMnTi or 8620), carburised to a case depth of 0.8–1.2 mm and quench-hardened to 58–62 HRC at the tooth surface, leaving the core at 30–40 HRC for toughness.
Internal shafts are turned and ground from 40Cr or 42CrMo alloy steel, induction-hardened at the bearing journal zones and key-seat transitions. Taper-roller bearings are sourced to ABEC-3 tolerance class, pre-loaded during gearbox assembly to eliminate axial free play under field conditions. All machined mating surfaces are ground to Ra 1.6 µm or better before assembly; the housing split line is sealed with anaerobic jointing compound to prevent oil seepage even under vibration.
Quality control follows the ISO 9001:2015 certified management system. Each EP2100-T3 unit undergoes a loaded run-in test at 540 r/min for a minimum of 30 minutes before dispatch, with oil temperature, vibration signature, and output shaft speed recorded against acceptance limits. This documented test protocol satisfies auditable supply-chain requirements for equipment destined for the UK, EU (Netherlands, Germany), Canadian, Australian, and South Korean markets — regions where traceability records are increasingly required at machinery registration.
Applikationsscenarier
The EP2100-T3 round baler gearbox is specified across a wide range of agricultural and agro-industrial environments. Its 80 hp continuous-duty rating and versatile shaft configuration mean it fits into multiple driveline architectures without modification.
Grass hay, alfalfa, and wheat straw baling places repetitive shock loads on the gearbox as the pick-up fingers lift dense windrows. The EP2100-T3's Gleason helical gear set absorbs these inertia spikes cleanly, protecting the driveline from shock-induced fatigue cracks — a common failure mode in round baler gearbox equipment running below specification.
Fresh silage baling runs at higher material densities and moisture levels than dry hay. The EP2100-T3's sealed housing and oil-splash lubrication circuit maintain gear film thickness under the higher continuous torque draw of wet, high-density baling — reducing oil degradation rates and extending drain intervals in demanding silage operations across Australia, Brazil, and Colombia.
Where a harvester integrates a baling module at the rear — a growing configuration in the Canadian and UK grain belts — the EP2100-T3 provides the gear reduction between the harvester's on-board PTO output and the baling chamber drive. The multiple shaft-end options simplify the coupling selection between harvester and baler sub-frames.
Agricultural machinery manufacturers building their own round baler range use the EP2100-T3 as a sourced gearbox component. The documented quality records, ISO 9001:2015 certification, and available dimensional CAD data satisfy procurement requirements at OEM engineering level, including DIN EN ISO–compliant parts documentation.
Agricultural dealers and independent workshops across the Netherlands, South Korea, and the UK stock the EP2100-T3 as a round baler gearbox replacement unit for older machines whose original gearboxes are no longer in production. Its cross-reference compatibility with Comer code equivalents, and ASAE S203.14-compliant input shaft, makes it a practical and cost-effective drop-in solution when exact OEM parts are discontinued.
Kompatibla systemkomponenter
A complete round baler drivetrain demands more than a single precision gearbox. We manufacture the full range of power transmission components that connect, protect, and drive the baling system — giving you a single-source supply chain and guaranteed interface compatibility.
De rundbalpressens kraftuttagsaxel is the power link between the tractor and the EP2100-T3 gearbox input. Our shafts are splined to ASAE S203.14 and come with CE-approved safety guards and friction torque limiters pre-fitted — reducing tractor driveline overload risk during slug ingestion events. Combining an EP2100-T3 round baler gearbox with our matched PTO shaft eliminates the need to source these components separately, verify length compatibility, or adjust yoke types.
For operations that need the complete baling solution rather than individual drivetrain parts, our full series round baler machines are available with the EP-series round baler gearbox integrated at the factory. Purchasing machine and gearbox from the same source simplifies warranty coverage, spare parts management, and aftersales service — a particular advantage for operations running large mixed fleets across multiple sites in Canada, Australia, or South Korea where logistics support can be stretched during the harvest peak.
Trade & Delivery Terms
High-value drive products such as this round baler gearbox are evaluated based on configuration and total order value. Mixed models can be combined to reach approximately USD 1,500. Small sample quantities (1–5 units) are available for new customers evaluating the EP2100-T3 for first-use or round baler gearbox replacement projects.
Standard EP2100-T3 units: 20–45 working days. Custom configurations (modified shaft ends, special coatings, non-standard ratios): 45–75 working days. Sample / small-batch test orders (1–5 pcs): 7–25 working days. Timelines are confirmed at order placement.
Standard: EXW / FOB / CIF / DAP. Negotiable: FCA, CFR, CPT, CIP, DDP. For machinery-class shipments and projects with special clearance requirements in the UK, EU, Australia, or Canada — please discuss trade term preference at enquiry stage.
New customers may request 1–5 sample units of the EP2100-T3 round baler gearbox under EXW, FCA, or DAP terms. Sample lead times sit within the 7–25 working day window for standard configurations. DDP sample dispatch is available on request for select destination countries.
About Us — Over a Decade of Agricultural Transmission Expertise
With more than ten years of focused engineering and production experience in mechanical power transmission, our facility covers the full spectrum of industrial and agricultural drivetrain components. The product range spans agricultural gearboxes — including the complete round baler gearbox line — worm gear reducers, planetary gear drives, power take-off shafts, hydraulic cylinders, gears, sprockets, chains, and electric motors.
Operating under ISO 9001:2015 certification, the facility designs and manufactures both standard and custom configurations in a wide selection of materials: ductile iron, grey cast iron, cast steel, precision cast steel, and cast aluminium. In-house capability extends to gears, sprockets, worm gears, belt pulleys, worms, and transmission shafts — standard or non-standard — allowing the team to control quality at every stage of the manufacturing process rather than relying on sub-suppliers for critical components. This vertical integration is particularly relevant for custom round baler gearbox replacement parts and OEM-specified assemblies where tolerances are non-negotiable.
International customers across Australia, the United Kingdom, the Netherlands, Brazil, Canada, South Korea, and Colombia work with the facility on both catalogue products and bespoke designs. The engineering team provides technical documentation, DXF/STEP drawing exchange, and application consultations to support machinery integration and procurement decisions — making it practical to specify an EP-series round baler gearbox into a new design at the earliest engineering stage.
Verkstad
Vanliga frågor
What is the best round baler gearbox for a 75–90 hp tractor used in hay baling in Australia and New Zealand?
How do I find the right round baler gearbox replacement that matches an older Comer code agricultural gearbox?
How many hp does it take to pull a round baler fitted with this type of gearbox, and what affects that figure?
Which round baler gearbox parts are most commonly replaced during scheduled maintenance in commercial hay operations in the UK and Canada?
Where can agricultural dealers and farm equipment distributors in South Korea and the Netherlands source round baler gearbox equipment with full technical documentation and ISO certification?
Redaktör: PXY
