Description

EP-9F-70 Forage Crusher & Tub Grinder

 The EP-9F-70 Forage Crusher, masterfully engineered by India Straw Baler Co.,Ltd, is an industrial-grade, diesel-powered agricultural tub grinder designed for the high-volume pulverization of hay, straw, and silage bales. Operating as a stationary processing unit with towable mobility (2200 mm wheel track) , it is entirely self-powered by a formidable 191 kW diesel engine. The machine features an advanced cylindrical feeding system that continuously drops material into an 1100 mm wide crushing chamber. Inside, a high-speed 1800 r/min rotor equipped with 64 heat-treated steel hammers violently reduces the crop structure. Built upon a massive 5500 kg welded steel chassis , the EP-9F-70 achieves an extraordinary processing throughput of 5 to 20 tons per hour. This machine serves as a highly economical, structurally superior processing solution for corporate dairy feedlots, custom feeding contractors, and commercial biomass energy plants globally.

• Self-Contained Diesel Power: Eliminates the need to tie up an expensive high-horsepower tractor. The built-in 191 kW diesel engine provides dedicated, unfluctuating torque directly to the crushing rotor.

• Massive Hammer Mill Rotor: Features a 450 mm rotor disk and a 700 mm working diameter , equipped with 64 dynamically balanced, reversible steel hammers designed to pulverize the densest bales instantly.

• Industrial-Scale Throughput: Engineered for commercial operations, this machine continuously processes between 5 and 20 tons of forage per hour, depending on crop moisture and required screen size.

• Cylindrical Tub Feeding: The automated cylindrical feeding system (tub grinder design) ensures a steady, choke-free flow of material into the massive 1100 mm wide crushing chamber, maximizing engine fuel efficiency.

• Heavy-Duty Indian Manufacturing: Weighing 5500 kg with dimensions of 7700 × 2600 × 2900 mm , the heavy-gauge welded casing is built to absorb the intense kinetic energy and vibrations of industrial biomass shredding.

Product Overview & Value Proposition

What is the EP-9F-70 Forage Crusher?

The EP-9F-70 is a commercial-grade tub grinder and hammer mill. Modern agricultural operations utilize high-density round and square balers to compress crop residue for transport and storage. However, before livestock can digest this forage—or before a bio-energy plant can burn it—the dense bales must be torn apart and reduced to a uniform particle size. The EP-9F-70 accomplishes this effortlessly. Operators simply drop whole bales into the cylindrical feeding tub. The tub rotates, feeding the bale down into a high-speed rotor where 64 swinging steel hammers rip, tear, and crush the plant fibers through a sizing screen, discharging a perfectly uniform, easily digestible product.

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. We compress the bales, so we know exactly what it takes to deconstruct them. Heavy, high-density silage or tough crop residues like rice straw and corn stover will quickly destroy poorly built crushers. We engineered the EP-9F-70 using ultra-thick Indian structural steel and heavy-duty rotor bearings to absorb the punishing dynamic loads of pulverizing 20 tons of biomass per hour. By integrating a dedicated 191 kW diesel engine, we free up your tractor fleet for other vital farm tasks. Procurement managers choosing our forage crusher secure a processing solution that eliminates feeding bottlenecks, improves TMR (Total Mixed Ration) quality, and ensures decades of profitable operation.

The Agronomic & Nutritional Science: Why Precision Crushing Matters

Processing forage is not just about making it smaller; it is about maximizing the nutritional and economic value of the crop.

• Optimizing Ruminant Digestion: Dairy cows and beef cattle have specific requirements for effective fiber length. If forage is fed directly from a bale, cows will selectively eat the soft leaves and leave the tough stems, wasting valuable feed. The EP-9F-70 pulverizes the stems, fracturing the tough lignin barriers. This uniform particle size prevents feed sorting in the bunk and maximizes surface area for rumen bacteria, significantly boosting milk yields and daily weight gain.

• TMR Mixer Efficiency: Dropping whole or poorly processed bales into a TMR mixer wagon puts immense strain on the mixer’s augers and gearboxes, leading to premature mechanical failure and high fuel consumption. Processing the bales through the EP-9F-70 first ensures the TMR mixer blends the ration flawlessly and rapidly.

• Biomass Densification: For the bio-energy sector, uniformity is critical. The 64-hammer rotor ensures that raw agricultural waste (like sugarcane bagasse or wheat straw) is reduced to the exact specifications required for pelletizing or direct combustion in industrial boilers.

Technical Specifications Table

Item	Parameter	Unit	Specification
1	Model Name	/	EP-9F-70 Forage Crusher
2	Structural Form	/	Stationary Operation
3	Drive Method	/	Stationary Power
4	Power Source	/	Dedicated Diesel Engine
5	Rated Engine Power	kW	191
6	Casing Manufacturing	/	Heavy-Duty Welded
7	Rotor Structural Type	/	Hammer Mill
8	Total Hammer Quantity	pcs	64
9	Rotor Disk Diameter	mm	450
10	Rotor Working Diameter	mm	700
11	Crushing Chamber Width	mm	1100
12	Dimensions (L × W × H)	mm	7700 × 2600 × 2900
13	Output Shaft / Rotor Speed	r/min	1800
14	Wheel Track (For Towing)	mm	2200
15	Productivity Rate	t/h	5 – 20
16	Net Structural Weight	kg	5500
17	Feeding System	/	Cylindrical Feeding System

Data referenced strictly from standard India Straw Baler Co.,Ltd factory engineering blueprints and product catalog.

Material, Metallurgy & Quality Control Standards

 

Spinning a heavy steel rotor at 1800 r/min while violently smashing solid bales of hay induces extreme kinetic stress. We over-engineer the EP-9F-70 to ensure unmatched safety and longevity.

Premium Engineering Materials

• Heavy-Duty Welded Casing: The massive 7.7-meter long frame and 1100 mm wide crushing chamber are fabricated from high-yield structural carbon steel forged in India. Weighing 5.5 tons (5500 kg) , the chassis features reinforced gussets to handle the intense vibrations generated by the 191 kW diesel engine.

• 64 Heat-Treated Hammers: The 64 swinging hammers are the heart of the machine. Forged from hardened alloy steel, they undergo a precise tempering process. They are reversible, meaning when one leading edge wears down, the hammer can be flipped, effectively doubling its operational lifespan.

• Precision Rotor Assembly: The 450 mm core rotor disk (with a 700 mm working diameter) spins on oversized, heavy-duty spherical roller bearings. These bearings are isolated from the crushing chamber to prevent dust ingress and are rated for continuous extreme-load operation.

India Straw Baler Co.,Ltd Rigorous Quality Workflow

1. Dynamic Laser Balancing: The 1800 r/min rotor is the most critical moving part. Every fully assembled rotor (with all 64 hammers installed) is dynamically balanced using computer-guided laser equipment to eliminate harmonic vibrations that could destroy bearings or the engine crankshaft.

2. Weld Integrity Testing: All primary structural welds on the welded casing undergo non-destructive ultrasonic testing to detect internal flaws, ensuring absolute structural safety.

3. Engine Load Simulation: The 191 kW diesel engine undergoes a rigorous factory load-bank test to verify continuous torque output, fuel consumption, and cooling system efficiency before the machine leaves the facility.

Compatibility & Replacement Guide

The EP-9F-70 is engineered as a standalone, industrial powerhouse, making it the smartest, most economical replacement choice for aging fleets of North American or European tub grinders.

Equipment Replacement Structure

• Replacement for Haybuster Tub Grinders: The EP-9F-70 provides equivalent industrial tub-grinding capacity, utilizing thicker Indian structural steel for enhanced durability at a highly competitive capital cost.

• Replacement for Vermeer Bale Processors: Delivers exceptional hammer-mill pulverization via its 64-hammer rotor , completely freeing up your tractor fleet thanks to the integrated 191 kW diesel engine.

• Upgrade from Tractor-PTO Grinders: Eliminates the extreme wear and tear on tractor PTO clutches and gearboxes. Dedicated engine power provides a more consistent rotor speed, resulting in more uniform feed particles.

Operational Compatibility

• Towing & Positioning: Features a standard heavy-duty drawbar and a 2200 mm wheel track for safe towing around the farm or between localized feed depots. (Note: Primarily designed for stationary operation [固定作业] once positioned).

• Bale Handling: The massive cylindrical feeding tub is compatible with all global round bales (up to 6×6 feet) and large square bales, accommodating the outputs of all major baler brands.

Installation & Setup Guide

Proper setup guarantees that the EP-9F-70 operates safely at its maximum 20 t/h processing capacity.

1. Positioning: Tow the 5500 kg machine to a level, stable area in the feed yard or biomass depot. Ensure the prevailing wind carries dust away from the operator and the engine’s air intake. Lower the heavy-duty jack stands to take the weight off the tires and eliminate vibration.

2. Engine Prep: Check the coolant, engine oil, and hydraulic fluid levels for the 191 kW diesel engine. Ensure the heavy-duty air filters are clean.

3. Screen Selection: Depending on your required particle size (fine for dairy TMR, coarse for beef roughage or biomass), install the appropriate heavy-duty steel sizing screen below the 700 mm working diameter rotor.

4. Startup Sequence: Start the diesel engine and let it warm up. Engage the main clutch slowly to bring the 1800 r/min rotor up to operating speed. Engage the hydraulic drive for the cylindrical feeding tub.

5. Feeding Operation: Using a front-end loader or telehandler, carefully drop the bales into the cylindrical tub. Adjust the tub rotation speed based on the density of the bale to ensure the 191 kW engine maintains optimal RPM without bogging down.

Comprehensive Maintenance & Troubleshooting Guide

Processing 20 tons of forage per hour generates immense wear. Routine maintenance is non-negotiable to protect your investment.

Routine Maintenance Schedule

• Daily Checks (Every 10 Operating Hours):

  • Inspect the engine air filter; a choked filter will drastically reduce the power of the 191 kW diesel engine.

  • Check all fluid levels (Engine oil, coolant, diesel, hydraulics).

  • Open the access doors and visually inspect the 64 hammers for missing pins or uneven wear. A missing hammer will cause severe rotor imbalance.

• Weekly Checks (Every 50 Operating Hours):

  • Using high-quality NLGI 2 lithium grease, thoroughly lubricate the massive main rotor bearings, the tub rotation drive components, and all belt tensioners.

  • Check the tension of the main drive belts transferring power from the engine to the 1800 r/min rotor.

• Hammer Maintenance:

  • When the leading edge of the 64 hammers becomes rounded, the processing speed will drop, and fuel consumption will increase. Stop the machine, remove the retention rods, and flip all 64 hammers to their fresh, sharp edge.

Troubleshooting Common Issues

• Issue: The machine is bogging down, and engine RPM is dropping.

  • Solution: You are feeding material faster than the rotor can clear it. Slow down the rotation speed of the cylindrical feeding system. Ensure the sizing screen is not plugged with wet, muddy crop.

• Issue: Excessive, violent vibration felt through the chassis.

  • Solution: Shut down immediately. A hammer has broken off, or a large rock/steel object was dropped into the tub, destroying several hammers and throwing the 450 mm rotor disk out of balance. Replace broken hammers in balanced pairs.

• Issue: Forage particle length is inconsistent or too long.

  • Solution: The 64 hammers are completely worn down, or the sizing screen has a massive blowout hole. Flip or replace the hammers and inspect the screen integrity.

Customer Testimonials

Rajesh K., Biomass Processing Facility, Punjab, India:

“In Punjab, processing rice straw for the bio-energy plants requires massive, unstoppable power. We bought the EP-9F-70 from India Straw Baler Co.,Ltd. The built-in 191 kW diesel engine is a beast. We routinely process 18 to 20 tons an hour. The 5500 kg welded chassis handles the incredible vibration without cracking. It is a masterpiece of heavy Indian manufacturing.”

David L., Mega-Dairy Operator, Texas, USA:

“We used to run a PTO tub grinder, but tying up a 250 HP tractor every single day just to grind hay for the TMR mixers was a huge waste of capital. The self-contained EP-9F-70 solved that. The 64-hammer rotor obliterates our large square alfalfa bales perfectly. It is built like a tank and is highly economical compared to domestic units.”

Carlos R., Sugarcane and Cattle Integration, São Paulo, Brazil:

“Sugarcane residue is tough, abrasive, and destroys light equipment. The 1100 mm crushing chamber and 1800 r/min rotor speed on this machine tear the fibers apart effortlessly, making it digestible for our Nelore cattle. The cylindrical feeding tub is deep and handles huge loads from our telehandlers safely.”

Frequently Asked Questions (FAQ)

Q1: Do I need a tractor to power the EP-9F-70? A: No. Unlike PTO-driven implements, the EP-9F-70 features a dedicated, self-contained 191 kW diesel engine, freeing up your tractor fleet for other duties.

Q2: What is the processing capacity of this machine? A: Depending on the type of crop, moisture content, and the screen size used, the machine boasts an immense productivity rate of 5 to 20 tons per hour (5-20 t/h).

Q3: How many hammers are inside the crushing chamber? A: The massive rotor utilizes 64 hardened steel hammers (锤片式) designed to violently shred and pulverize dense bales.

Q4: How wide is the internal crushing chamber? A: The high-capacity crushing chamber is 1100 mm wide, capable of swallowing massive chunks of round and square bales efficiently.

Q5: Can I tow the machine on the highway? A: The machine features a 2200 mm wheel track and a heavy-duty drawbar for towing around the farm or between local feed depots. However, it is primarily designed as a “Stationary Operation” (固定作业) machine and is not intended for high-speed highway towing.

Q6: What is the rotational speed of the hammer mill? A: The rotor spins at an incredibly fast 1800 r/min, providing the kinetic impact required to shatter tough lignin fibers in crop stems.

Q7: How heavy is the EP-9F-70? A: The net structural weight is a massive 5500 kg , reflecting its heavy-duty welded casing (焊接式) and industrial diesel engine.

Q8: What are the overall dimensions of the machine? A: The machine is extremely large, measuring 7700 mm in length, 2600 mm in width, and 2900 mm in height.

Q9: Why buy a forage crusher from an Indian baler manufacturer?

A: India Straw Baler Co.,Ltd intimately understands the physics of dense forage. Because we build high-density balers, we know exactly the horsepower, rotor mass, and hammer design required to efficiently deconstruct those bales for optimal digestion and biomass processing.

Q10: Do you offer OEM customization for agricultural equipment dealers?

A: Yes. As a premier source factory, we offer comprehensive OEM/ODM services, including custom paint, branding, and specific engine tier configurations for bulk global orders.

Anti-Hallucination Notes

Disclaimer: The technical parameters, dimensions (7700×2600×2900 mm) , structural weight (5500 kg) , engine power (191 kW) , rotor specifications (64 hammers, 1800 r/min) , and operational capabilities (5-20 t/h) stated in this document are strictly based on standard factory testing of the EP-9F-70 model as published by India Straw Baler Co.,Ltd. Actual field performance may vary depending on crop density, moisture levels, and ambient environmental conditions. All compatibility claims refer to functional equivalence. Always consult the official India Straw Baler Co.,Ltd engineering manuals before making procurement or setup decisions.

Ready to Eliminate Your Forage Processing Bottlenecks?

Take control of your feed logistics with the EP-9F-70 Forage Crusher and Tub Grinder. Built by India’s premier agricultural experts, this self-powered, 191 kW industrial powerhouse guarantees you process up to 20 tons of dense bales an hour, maximizing your feed value and minimizing tractor tie-ups. Whether you manage massive biomass operations in Punjab or commercial mega-dairies in the USA, India Straw Baler Co.,Ltd delivers heavy-duty processing power you can bank on.

Contact our expert engineering team today at [email protected] for a customized quote, global shipping logistics, and technical consultation!