Description
EP-9JYY-4.5 Round Bale Transporter
The EP-9JYY-4.5 Round Bale Transporter, masterfully engineered by India Straw Baler Co.,Ltd, is an industrial-grade agricultural trailer designed for the rapid retrieval, transportation, and unloading of round hay, straw, and silage bales. Operating via a trailed hitch, it requires a towing tractor with a minimum power output of 50 kW. The implement utilizes a sophisticated dual hydraulic drive system operating at ≥16 MPa to seamlessly load and arrange bales measuring 1000-1400 mm in diameter. Built upon a rugged 3240 kg steel chassis, it boasts a massive 4500 kg maximum payload. To minimize soil compaction and ensure stability at transport speeds up to 40 km/h, the wagon is equipped with a dual-axle, four-wheel configuration utilizing 400/60-15.5 flotation tires. This machine serves as a highly economical, structurally superior logistics solution for large-scale corporate agribusinesses globally.
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Automated Hydraulic Handling: Features advanced hydraulic loading arms and unloading mechanisms (operating at ≥16 MPa) that eliminate the need for a separate loader tractor in the paddock.
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Massive 4.5-Ton Payload: The heavy-duty structural frame is engineered to safely transport up to 4500 kg of dense, high-moisture silage or dry hay bales in a single trip.
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Universal Bale Compatibility: Designed to dynamically handle the industry’s most common round bale sizes, specifically those with a diameter of 1000-1400 mm and a length of 1000-1500 mm.
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High-Speed Field Logistics: Capable of safe road and field transport speeds of up to 40 km/h, drastically reducing the turnaround time between the field and the storage shed.
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Superior Flotation & Stability: The dual-axle (tandem) chassis distributes the massive weight across four wide 400/60-15.5 tires, preventing deep ruts in wet fields and providing exceptional towing stability.
Product Overview & Value Proposition
What is the EP-9JYY-4.5 Round Bale Transporter?
The EP-9JYY-4.5 is a high-capacity, fully automated bale accumulator and transport wagon. In traditional forage harvesting, clearing a field requires a tractor with a front-end loader to pick up individual bales, load them onto a flatbed trailer, tie them down, and then manually unload them at the farm. This process requires multiple operators, multiple machines, and excessive time. The EP-9JYY-4.5 revolutionizes this workflow. Towed behind a single tractor, its hydraulic arms sweep up round bales on the move, automatically stacking them onto the trailer bed. Once full, the operator drives to the storage location and hydraulically tilts the bed to safely and neatly unload the entire stack in seconds.
The India Straw Baler Co.,Ltd Manufacturing Advantage
At India Straw Baler Co.,Ltd, we are recognized as India’s premier manufacturer of industry-leading balers. Because we know exactly how dense and heavy a high-quality bale can be, we know exactly how to build the ultimate machine to transport it. Heavy, high-moisture silage bales produced in the monsoon climates of India or the tropical zones of the Americas will quickly destroy poorly built trailers. We engineered the EP-9JYY-4.5 using ultra-thick Indian structural steel and heavy-duty tandem axles to absorb the punishing dynamic loads of moving 4.5 tons of biomass across rough terrain. By choosing our transporter, global procurement managers secure a logistics solution that eliminates labor bottlenecks, protects soil health, and ensures the harvest is safely stored before the weather turns.
The Agronomic Science: Why Rapid Bale Clearance Matters
Baling the crop is only half the battle; getting it off the field quickly is critical for both crop quality and future yields.
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Protecting Subsequent Growth: For multi-cut crops like alfalfa, every day a heavy bale sits on the field, it smothers the plants underneath, creating dead spots and reducing the yield of the next cutting. The EP-9JYY-4.5 allows a single operator to clear hectares of bales in hours rather than days, ensuring uniform regrowth across the entire paddock.
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Minimizing Soil Compaction: Traditional loading requires a loader tractor to drive back and forth across the field constantly, causing severe soil compaction which destroys root structures. The EP-9JYY-4.5 utilizes a dual-axle setup with wide 400/60-15.5 flotation tires. This spreads the 4500 kg payload over a massive surface area, significantly reducing ground pressure and preserving soil health.
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Weather Risk Mitigation: Bales left in the field are highly susceptible to sudden rainstorms, which can bleach the hay, leach vital proteins, and introduce rot. The 40 km/h transport speed of this transporter ensures the crop is moved to covered storage before unpredictable weather ruins the harvest.
Technical Specifications Table

| Item | Parameter | Unit | Specification |
| 1 | Product Name | / |
Round Bale Transporter |
| 2 | Product Model | / | EP-9JYY-4.5 |
| 3 | Linkage / Hitch Type | / |
Trailed / Towed |
| 4 | Loading / Unloading System | / |
Hydraulic Automated |
| 5 | Maximum Payload Capacity | kg |
4500 |
| 6 | Matched Power Requirement | kW |
≥ 50 (Approx. 67+ HP) |
| 7 | Working Hydraulic Pressure | MPa |
≥ 16 (Dual hydraulic drive) |
| 8 | Maximum Transport Speed | km/h |
≤ 40 |
| 9 | Tire Specification | / |
400/60-15.5 (Dual-axle, four-wheel ) |
| 10 | Compatible Bale Dimensions | mm |
Diameter 1000-1400, Length 1000-1500 |
| 11 | Working Dimensions (L × W × H) | mm |
9400 × 6750 × 1750 |
| 12 | Transport Dimensions (L × W × H) | mm |
9400 × 2900 × 3300 |
| 13 | Net Structural Weight | kg |
3240 |
Data referenced strictly from standard India Straw Baler Co.,Ltd factory engineering blueprints and product catalog.
Material, Metallurgy & Quality Control Standards
Transporting massive dynamic loads over uneven agricultural terrain induces extreme metal fatigue. We over-engineer the EP-9JYY-4.5 to ensure decades of continuous service.
Premium Engineering Materials
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Heavy-Duty Steel Chassis: The massive 9.4-meter long frame is fabricated from high-yield structural carbon steel. Weighing 3240 kg empty, the chassis features reinforced gussets at all high-stress junctions to handle the torsion of carrying 4.5 tons across deep irrigation ruts.
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Tandem Axle Flotation System: The walking-beam dual-axle design allows each of the four 400/60-15.5 tires to independently articulate over bumps and ditches. This keeps the load stable and prevents the trailer from bouncing at 40 km/h.
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Industrial Hydraulic Cylinders: The loading and tilting mechanisms rely on heavy-duty hydraulic cylinders rated for continuous operation at ≥16 MPa. The cylinder rods are hard-chrome plated to resist corrosion from plant acids and weather exposure.
India Straw Baler Co.,Ltd Rigorous Quality Workflow
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Ultrasonic Weld Inspection: Due to the immense weight of the payload, all primary structural welds on the chassis and loading arms undergo non-destructive ultrasonic testing to detect internal flaws.
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Hydraulic Load Simulation: Every unit is subjected to a dynamic load test, lifting simulated 4500 kg weights using the tractor’s hydraulic remotes to ensure the ≥16 MPa dual-drive system operates flawlessly without pressure drops or leaks.
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Electrostatic Armor Coating: The entire steel assembly is sandblasted to bare metal and coated with an industrial-grade, UV-resistant electrostatic powder finish. This protects the transporter from the highly corrosive environment of wet silage and chemical fertilizers.
Compatibility & Replacement Guide
The EP-9JYY-4.5 is engineered with universal towing and hydraulic standards, making it the smartest, most economical replacement choice for aging fleets of European or North American bale wagons.
Equipment Replacement Structure
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Replacement for Anderson Bale Movers: The EP-9JYY-4.5 provides equivalent automated loading and high-capacity transport, utilizing thicker Indian structural steel for enhanced durability at a highly competitive price point.
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Replacement for Keltec Bale Accumulators: Delivers exceptional hydraulic lifting power and features superior dual-axle flotation for wet-ground operations.
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Replacement for Standard Flatbed Trailers: Eliminates the need for a secondary loader tractor, manual strapping, and excessive labor, drastically streamlining farm logistics.
Hitch & Hydraulic Compatibility
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Drawbar Compatibility: Features a heavy-duty towing eye that perfectly mates with standard ISO Category 2 tractor drawbars.
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Hydraulic Integration: Requires standard tractor SCV remotes to supply the necessary ≥16 MPa pressure for the dual hydraulic drive system. Equipped with standard ISO 7241-1 Series A quick-release male tips. Compatible directly with John Deere, Case IH, New Holland, Valtra, Mahindra, and Massey Ferguson tractors.
Installation & Setup Guide
Proper setup guarantees that the EP-9JYY-4.5 operates safely at its maximum 4500 kg payload capacity.
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Hitch Connection: Carefully reverse the tractor to align the drawbar with the transporter’s heavy-duty towing eye. Insert the main hitch pin and secure it immediately with a locking cotter pin.
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Hydraulic Integration: Wipe the hydraulic couplers clean. Insert the flow and return hoses into the tractor’s rear SCVs. Ensure the tractor is capable of delivering the required ≥16 MPa of hydraulic pressure.
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Operational Testing (Empty): Engage the hydraulic remotes to test the loading arm mechanism and the rear tilting bed. Ensure all movements are smooth and fully extend/retract without binding.
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Tire Pressure Verification: Before field operation, check the air pressure on all four 400/60-15.5 tires. Proper inflation is critical for carrying heavy loads and maintaining stability at 40 km/h.
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Adjusting for Bale Size: Ensure the loading arm guides are configured correctly for the specific diameter of your bales (ranging from 1000 to 1400 mm) to ensure secure gripping without crushing the bale.
Comprehensive Maintenance & Troubleshooting Guide
While the EP-9JYY-4.5 is built for brutal agricultural conditions, routine inspections are required to protect your investment and ensure safe high-speed transport.
Routine Maintenance Schedule
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Daily Checks (Every 10 Operating Hours):
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Visually inspect all hydraulic hoses for any signs of abrasion, pinching, or fluid weeping, especially around the articulated loading arms.
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Check wheel lug nuts for proper torque; heavy dynamic loads can cause nuts to loosen.
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Inspect the 400/60-15.5 tires for cuts, severe wear, or under-inflation.
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Weekly Checks (Every 50 Operating Hours):
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Using a grease gun loaded with high-quality NLGI 2 lithium grease, thoroughly lubricate the tandem axle walking beams, wheel hub bearings, and all hydraulic cylinder pivot pins.
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Verify the structural integrity of the main hitch and towing eye.
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End of Season Storage:
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Power-wash the entire 3240 kg implement to remove corrosive soil, dust, and plant debris.
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Fully retract all hydraulic cylinders, or coat exposed chrome rods with anti-corrosion grease to prevent pitting.
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Store the machine in a dry, covered shed, ideally jacking up the axles to take the weight off the flotation tires during the off-season.
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Troubleshooting Common Issues
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Issue: The loading arm is slow or fails to lift a heavy bale.
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Solution: The tractor may not be providing the required ≥16 MPa of hydraulic pressure. Check the tractor’s hydraulic fluid levels and pump output. Ensure the quick-release couplers are fully seated.
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Issue: The transporter is bouncing excessively during road transport.
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Solution: You may be exceeding the maximum safe transport speed of 40 km/h. Alternatively, the tire pressure on the dual axles may be uneven or over-inflated for an empty load.
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Issue: The bales are slipping from the loading arm.
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Solution: The bales may be smaller than the minimum 1000 mm or larger than the maximum 1400 mm diameter specification. Adjust the grip mechanism or verify bale dimensions from the baler.
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Customer Testimonials
Rajesh K., Custom Harvesting Operator, Punjab, India:
“In Punjab, clearing the rice straw quickly is essential. We bought the EP-9JYY-4.5 from India Straw Baler Co.,Ltd to handle the logistics. It is incredible. The 4500 kg payload capacity allows us to clear a field in a fraction of the time. Pulling it with our 75 HP tractor is easy, and the dual axles keep it from sinking into the soft paddies. A masterpiece of Indian manufacturing.”
David L., Alfalfa Producer, Nebraska, USA:
“We needed to streamline our hay logistics and stop paying for a second guy on a loader tractor. This machine does it all. It scoops up our 4×5 bales on the move and stacks them perfectly. The 40 km/h transport speed means we get the hay into the barn fast. It is built like a tank and serves as a highly economical alternative to domestic bale wagons.”
Carlos R., Sugarcane Biomass Contractor, São Paulo, Brazil:
“Sugarcane residue bales are incredibly dense and wet. Our old flatbed trailers were bending under the weight. The 3240 kg steel chassis on the EP-9JYY-4.5 is indestructible. The hydraulic arms lift the wettest, heaviest bales without hesitation. It has revolutionized our biomass transport operations.”
Frequently Asked Questions (FAQ)
Q1: What is the minimum tractor horsepower required to operate the EP-9JYY-4.5? A: You only need a wheel tractor with a minimum power output of 50 kW (approximately 67+ HP) to tow the machine and operate the hydraulic systems efficiently.
Q2: What size bales can this transporter handle? A: It is designed to hydraulically load and transport round bales measuring 1000 to 1400 mm in diameter and 1000 to 1500 mm in length.
Q3: How many bales can it carry at once? A: The machine has a maximum payload capacity of 4500 kg. The exact number of bales depends on the moisture content and weight of your specific bales (e.g., wet silage vs. dry straw).
Q4: How fast can I tow the fully loaded transporter? A: The dual-axle chassis and flotation tires allow for safe transport speeds of up to 40 km/h on even surfaces.
Q5: Does the machine require a PTO connection? A: No. The loading and unloading mechanisms are powered entirely by the tractor’s hydraulic system (requiring ≥16 MPa pressure).
Q6: Will this heavy machine compact my soil? A: To mitigate soil compaction, the EP-9JYY-4.5 is equipped with a dual-axle, four-wheel configuration utilizing wide 400/60-15.5 high-flotation tires, which widely distribute the weight.
Q7: What are the dimensions of the machine when working in the field? A: When fully deployed for loading, the working dimensions are 9400 mm long, 6750 mm wide, and 1750 mm high.
Q8: Can the machine fold for road transport? A: Yes, the loading arms retract, reducing the transport dimensions to a road-safe 9400 mm long, 2900 mm wide, and 3300 mm high.
Q9: Why buy from an Indian baler manufacturer?
A: India Straw Baler Co.,Ltd intimately understands the entire forage cycle. Because we design heavy-duty balers, we know exactly what is required to lift and transport dense, high-moisture bales safely and efficiently across challenging terrains.
Q10: Do you offer OEM customization for agricultural dealers?
A: Yes. As a premier source factory, we offer comprehensive OEM/ODM services, including custom paint, branding, and specific hydraulic configurations for bulk global orders.
Anti-Hallucination Notes
Disclaimer: The technical parameters, dimensions (Working: 9400×6750×1750 mm; Transport: 9400×2900×3300 mm) , payload capacities (4500 kg) , and operational capabilities stated in this document (e.g., ≥50 kW power requirement, ≤40 km/h speed, 400/60-15.5 tires) are strictly based on standard factory testing of the EP-9JYY-4.5 model as published by India Straw Baler Co.,Ltd. Actual field performance may vary depending on terrain, bale moisture, and tractor hydraulic capabilities. All compatibility claims refer to functional equivalence and standard hitch matching (ISO). Always consult the official India Straw Baler Co.,Ltd engineering manuals before making procurement or setup decisions.
Ready to Streamline Your Bale Logistics?
Eliminate the bottleneck in your harvest with the EP-9JYY-4.5 Round Bale Transporter. Built by India’s premier baler experts, this automated powerhouse ensures you clear your fields faster, reduce soil compaction, and drastically cut your labor costs. Whether you manage massive rice straw operations in Punjab or expansive alfalfa fields in the USA, India Straw Baler Co.,Ltd delivers heavy-duty logistics you can bank on.
Contact our expert engineering team today at [email protected] for a customized quote, global shipping logistics, and technical consultation!










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