9YF-1900 Towed-type Square Baler for Tractor

Bale Ejection and Field Collection

The finished bale is pushed out of the rear bale chute by the pressure of the next bale forming behind it and drops onto the field surface or directly onto a towed bale accumulator or square bale bundler. Because the cross-section is precisely 460 x 360 mm with flat faces, the bales land stably and can be immediately collected by a square bale feeder wagon, loaded by a square bale processor, or manually stacked on a trailer. The uniform square hay bales sizes produced by this machine are also directly compatible with most commercially available square baler wrap systems for high-moisture silage preservation.

Applications of the Hay Square Baler

1. Rice Straw
After the combine harvester passes, rice straw windrows are often damp and tangled. The spring-tooth pickup of this small square baler lifts and separates the stems cleanly, delivering a steady feed to the compression chamber. The resulting dense straw square bales are ideal for mushroom cultivation substrate, livestock bedding, or biomass fuel briquette production, reducing open-field burning and its associated pollution penalties.

2. Wheat Straw
Wheat harvest coincides with the busy Three Summers farming season, so speed is essential. This square hay baler machine keeps pace with combine harvesters, gathering wheat straw into compact square bales of hay while the kernels are still being threshed. The automatic rope baling system and German D-type knotters ensure every bale exits fully tied, ready for loading onto flatbed trucks for delivery to paper mills, composting facilities, or cattle feedlots.

3. Corn Silage
As a dedicated silage square baler application, the 9YF-1900 processes chopped corn silage into dense bales that can then be wrapped with square baler wrap to establish airtight fermentation packages for winter cattle feeding. The robust fork feeding mechanism handles the heavier, wetter consistency of fresh corn silage without bridging or blocking, and the adjustable density gate allows operators to control bale weight for easier handling by the square bale feeder wagons used at the feed bunk.

4. Cotton Stalks
Cotton stalk baling requires a square baler for corn stalks-type robustness due to the woody, fibrous nature of the stems. The double-row sprocket and chain drive of the 9YF-1900 provides the high torque needed to compress thick cotton residue into tight bales suitable for bioenergy facilities. Baling cotton stalks also removes overwintering pest habitat from the field, contributing to integrated pest management programs and potentially reducing insecticide expenditure in the following growing season.

5. Pasture Grass
For dairy farmers and beef producers, this square baler for hay provides the consistent small square hay baler output needed for easy ration allocation in free-stall barns. Square bale hay produced from orchardgrass, fescue, or mixed pasture mixes fits neatly into conventional hay feeders and automatic square bale feeders, reducing waste compared with round bales opened into ring feeders. The compact bale dimensions also allow precise feed lot inventory management based on bale count rather than estimated weight.

6. Sugarcane Tops
In tropical and subtropical sugarcane growing regions, post-harvest cane tops and leaf trash represent a valuable animal feed resource that is traditionally burned. This hay square baler collects and compresses cane tops into manageable square bales that can be transported from remote plantation blocks to centralised feeding stations. The wide 1900 mm pickup spans the inter-row residue lines efficiently, and the machine weight of 1850 kg ensures stability even when operating on the slight grades typical of irrigated cane fields.

7. Reeds
Wetland reed harvesting for thatching, paper pulp, or biogas feedstock presents challenging baling conditions due to the stiff, hollow stems and high silica content. The 9YF-1900 square bale baler handles reed material effectively thanks to its robust double-chain drivetrain and hardened compression channel liners. The resulting bales are firm enough to withstand outdoor weathering during temporary storage near harvest waterways, and the uniform size makes container loading for export straightforward and space-efficient.

8. Alfalfa
Alfalfa is the premium forage crop for high-producing dairy herds, and the 9YF-1900 mini square hay baler preserves leaf-to-stem ratio better than many competing square baler machines because its gentle spring-tooth pickup minimises leaf shatter during collection. The dense, square alfalfa bales produced are also easier to test for moisture content using probe-type testers than round bales, enabling buyers and sellers to agree on accurate pricing based on dry matter and nutrient analysis before sale.

Square vs Round Bales: Key Differences

1. Storage Space Efficiency
Square bale hay stacks with virtually zero wasted airspace between bales because flat faces mate perfectly with adjacent bales. In a standard barn, square bales typically occupy 15 to 20 percent less total volume than an equivalent tonnage of round bales, which leave large triangular air gaps at every contact point. For farms with limited covered storage, choosing a square baler for hay rather than a round baler can meaningfully delay costly barn expansion capital expenditure.

2. Handling and Transport
Small square bales from a compact square baler are sized for manual handling by one or two persons, which is a significant advantage for smallholder farmers, equine operations, and hobby farms where front-loader tractor access is limited. Round bales typically weigh 300 to 600 kg, requiring dedicated handling equipment for every move. Square bale hay in the 15 to 30 kg range produced by a small square baler for compact tractor use can be distributed by hand directly into stalls, making daily chores faster and safer for farm workers.

3. Bale Density and Nutrient Preservation
The plunger compression action of a square baler machine produces consistently higher bale densities than the rolling action of a round baler, pushing more dry matter into the same cubic metre of storage. Higher density means less surface area exposed to rain and UV degradation relative to total bale mass, preserving nutrient quality -- particularly carotene and vitamin A -- for longer in outdoor conditions. This is especially valuable when comparing square vs round bales for equine premium forage markets where hay quality commands a significant price premium.

4. Feeding System Compatibility
Small square bales work directly with a wide variety of automatic square bale feeder systems installed in dairy parlour approaches, equine stall barns, and sheep sheds. A square bale processor can shred and distribute the bales mechanically across bedded areas. Round balers produce bales that require specialised ring feeders, unrollers, or mixer wagons to feed out efficiently, and much of that equipment is incompatible with the compact square bales produced by a mini square baler, creating an either-or investment decision for farm machinery buyers.

5. Field Work Rate and Machine Cost
A modern large round baler can achieve slightly higher peak tonnage per hour than a small square baler for compact tractor use, but the 9YF-1900 square baler for sale offers a significantly lower purchase price point and simpler drivetrain maintenance compared with equivalent round baler belts and roller-intensive round baler mechanisms. For operations that value lower capital outlay, easier replacing of square baler belts and rollers during the season, and compatibility with existing small tractor fleets, the square baler machine delivers a superior total cost of ownership calculation.

Square Bales	Round Bales

Common Faults and Troubleshooting

1. Knotter Misses or Fails to Tie
The most common square baler failure is a knot miss, typically caused by incorrect square baler twine tension (too loose allows slack, too tight snaps the twine before the bill hook can complete the loop), worn bill hook tip, or contamination of the knotter disc with crop dust and oil buildup. Check twine tension using the thumb-press test, clean all knotter components with compressed air, lubricate the knotter cam per the service schedule, and inspect the bill hook for burrs or tip wear. Replacing the bill hook is one of the most cost-effective square baler parts investments available.

2. Bale Channel Blockage
Blockages in the compression channel of this square hay baler machine typically result from excessive forward ground speed in heavy crop, wet material bridging at the feeding inlet, or a broken fork feeder tine leaving a gap that allows unmetered slugs to enter the channel simultaneously. Stop the tractor immediately if resistance increases abnormally to prevent plunger drive damage. Clear the blockage by reversing the PTO briefly if safe, then use a wooden pole to push material clear. Reduce forward speed and check feeder tine condition before resuming square baler operation.

3. Uneven or Loose Bales
If square bale hay exits the machine with varying density or noticeably loose sections, the most likely causes are an incorrectly set density gate (adjust the tension springs incrementally while monitoring bale firmness), worn channel liner plates creating clearance for crop to escape sideways, or an uneven pickup causing surges of material through the feed path. Replacing channel wear plates is a routine square baler parts maintenance item and restores consistent bale density. Also verify the tractor PTO speed is at the correct 540 rpm to maintain optimal plunger cycle rate.

4. Chain Slippage or Skipping
The double-row chain drive of this square baler machine requires periodic tension adjustment as chains stretch in service. Chain skipping on a sprocket typically indicates worn sprocket teeth, a stiff chain link caused by insufficient lubrication, or a bent chain plate after a field obstruction strike. Inspect chain sag at the mid-span; it should not exceed 25 mm under normal operating load. Replacing square baler belts and drive chains together as a matched set when chain wear exceeds 3 percent elongation prevents further sprocket tooth wear and maintains smooth transmission at all operating loads.

5. Pickup Leaving Crop on the Ground
If the spring-tooth reel fails to cleanly lift all windrow material, check for bent or missing finger teeth (common after stone strikes), incorrect pickup ground clearance setting (should be 25 to 40 mm above firm soil), or a pickup reel drive chain that has stretched and is slipping under load. Also check that the forming shields are properly positioned to funnel lifted crop inward; if shields are bent outward, crop escapes to the sides before reaching the auger and the apparent pickup miss rate increases dramatically. Replacing damaged fingers promptly prevents secondary damage to the pickup cam track.

6. PTO Shaft Vibration or Overheating
Excessive vibration at the square baler PTO shaft connection most commonly originates from a damaged or out-of-balance driveline universal joint, a worn shear bolt hub allowing angular misalignment, or a PTO shaft telescoping section that is extended beyond its safe working length due to excessive hitch offset. Overheating of the input gearbox housing indicates insufficient lubrication. Check the gearbox oil level immediately and inspect the breather plug for blockage. An overheated gearbox left unattended can seize and require complete gearbox replacement, the most expensive single square baler parts repair possible.

How to Order a Customised Square Baler Machine

Square Baler PTO Shaft: Connection and Function

The square baler PTO shaft is the critical mechanical link between the tractor and the 9YF-1900 square baler machine, transmitting rotational power at 540 rpm from the tractor rear PTO output to the square baler input gearbox. This rotating driveline is the sole source of mechanical energy for every moving component on the machine: the pickup reel, the feed auger, the fork feeding mechanism, the plunger flywheel, and both German D-type knotters. Without a correctly matched, well-maintained PTO shaft, none of the square baler operation cycle described above can occur.

The PTO shaft for a towed-type square baler machine like the 9YF-1900 typically features two universal joints (also called cross-and-bearing assemblies or Cardan joints) to accommodate the angular offset between the tractor PTO output axis and the baler input gearbox axis. As the tractor corners in the field, the universal joints flex to maintain power transmission through angles up to 25 degrees without disengaging or creating destructive vibration. A telescoping inner and outer tube section allows the shaft overall length to change as the tractor-baler distance varies during turning, preventing binding or disengagement. A properly sized tube overlap -- generally at least one-third of the compressed tube length -- is essential, particularly when configuring a compact square baler for compact tractor applications where the hitch geometry creates larger angle swings on tight headland turns.

Torque protection is built into the square baler PTO shaft through either a shear bolt hub or a friction-plate slip clutch located near the implement input. When a field obstruction or sudden slug of dense material exceeds the safe torque threshold, the shear bolt or slip clutch absorbs the shock before it can reach the plunger crankshaft assembly or the tractor gearbox. Choosing the correct torque limiter rating is therefore a critical square baler customisation step: too low and the limiter triggers unnecessarily on normal peaks; too high and it fails to protect the downstream square baler parts. For silage square baler applications where denser, wetter material creates higher peak torques, a friction slip clutch is generally preferred over a shear bolt design because it resets automatically without the need to replace bolts mid-field.

Safety guarding around the PTO shaft is mandatory in every jurisdiction where this square hay baler machine operates. The shaft must be covered with a complete plastic or steel guard tube and end cones at both the tractor and implement connections at all times during operation. The guard must rotate freely on the shaft so that it remains stationary even as the shaft inside spins at 540 rpm. Operators should inspect the guard for cracks or loose retention clips before each work session, and the square baler should never be operated with a PTO shaft guard removed or damaged. Correct maintenance and inspection of the square baler PTO shaft and its associated input gearbox lubrication is one of the single most important square baler operation responsibilities for extending the service life of this hay square baler machine across many seasons of intensive use.

Frequently Asked Questions

Q: What is the picking width of the 9YF-1900 and why does it matter for field efficiency?
A: The 9YF-1900 square baler machine has a pickup width of 1900 mm, which is wider than many competing compact square baler models in its class. A wider pickup means more windrow material is gathered per machine pass, reducing the number of passes needed to cover a field and cutting fuel consumption per tonne of straw or hay baled. For a 20-hectare wheat field, the difference between a 1200 mm and a 1900 mm pickup can represent several hours of saved field time during the critical Three Summers harvest window when weather windows are narrow.

Q: How long is a square bale of hay produced by the 9YF-1900?
A: The bale length is operator-adjustable via the metering star wheel gear setting on this square hay baler. The cross-section is fixed at 460 x 360 mm, but the target length can typically be set between approximately 400 mm and 1200 mm depending on the desired bale weight and downstream handling equipment. Shorter, lighter bales suit manual handling by farm workers, while longer bales suit mechanical square bale processor or automatic square bale bundler systems. Consult the operator manual or contact our technical team for the specific length range achievable on your machine configuration.

Q: Can this square baler for compact tractor be used with a tractor under 40 kW?
A: The 9YF-1900 is rated for a matching power range of 36.8 to 73.5 kW, so a tractor at the lower end of that range can operate the machine in light to medium crop conditions. However, in dense, damp windrows of silage-moisture material or very heavy corn stalk baling, a tractor below 45 kW may struggle to maintain constant PTO speed and ground speed simultaneously. For genuine small square baler for compact tractor applications below 40 kW, we recommend maintaining conservative forward speed and windrow density until the operator gains experience with the machine loading characteristics in local crop conditions.

Q: What type of square baler twine should I use for the D-type knotters?
A: The German D-type knotters on the 9YF-1900 are compatible with both natural sisal twine and synthetic polypropylene square baler twine. The key specification is twine tensile strength, which should match the recommended range supplied in the operator manual for the target bale density. Using overly thin or low-strength twine at high compression settings will result in twine breaks during the knot cycle. UV-stabilised polypropylene square baler twine is generally preferred for outdoor storage conditions as it resists degradation better than sisal, though sisal is preferred in markets where biodegradable twine is a regulatory or customer requirement.

Q: Can this machine work as a silage square baler for wrapping high-moisture crops?
A: Yes, the 9YF-1900 can function as a silage square baler when used in conjunction with a separate bale wrapper unit that applies square baler wrap film over the finished bales to establish airtight fermentation conditions. The machine produces dense, firm square bales from pre-wilted or direct-cut silage crops at the appropriate crop length. For direct-cut silage applications, a forage chopper is typically used ahead of the square baler in the field operation sequence. Contact our sales team for recommended operating procedures and square baler sizes guidance specific to your target silage crop and dry matter percentage.

Q: How do I go about replacing square baler belts and other wear parts?
A: The 9YF-1900 square baler machine does not use belt drives in its main power transmission -- the primary drivetrain uses double-row roller chains on sprockets. Replacing square baler belts in this context refers to the secondary belt drives on accessory conveyors if fitted. For the main drive chains, replacement is straightforward: tension is released via the adjustable tensioner sprocket, the joining link is removed, the worn chain section is replaced, and the tensioner is reset. Square baler parts including chains, pickup fingers, knotter bill hooks, and channel liner plates can be ordered directly through our after-sales team with delivery to most global locations within 5 to 14 working days.

Q: How does this machine compare with self propelled square baler options?
A: A self propelled square baler integrates the engine, cab, and baling mechanism into a single self-driving unit, whereas the 9YF-1900 is a towed-type square baler that relies on a separate tractor for propulsion and PTO power. Self propelled square baler machines typically cost three to five times more than a towed-type square baler machine of equivalent bale cross-section, and require specialised manufacturer service networks. For most medium-scale farms and contracting operations, the towed-type square baler for sale offers a far superior return on investment, leveraging an existing tractor investment and requiring no additional operator training beyond standard tractor driving competency.

Q: What are the square baler sizes available and is the 9YF-1900 suitable for large-scale operations?
A: Square baler sizes are typically defined by the bale cross-section dimensions. The 9YF-1900 produces 460 x 360 mm cross-section bales, which falls in the small-to-medium square baler category. Larger commercial square balers produce bales of 460 x 460 mm, 610 x 460 mm, or even 800 x 900 mm cross-sections for high-tonnage commercial operations. The 9YF-1900 is well-suited for operations of 50 to 500 hectares per season and is particularly cost-effective as a square baler for hay in markets where manual bale handling remains common. Larger-scale operations may consider our range of medium-format square baler machines for higher daily tonnage output.

Q: Can the 9YF-1900 bale corn stalks effectively as a square baler for corn stalks?
A: Yes, this is one of the recommended applications for the 9YF-1900 square baler machine. Corn stalks present a baling challenge because of their high lignin content, variable moisture between the upper stalk and lower stem, and the tendency for uncut stalks to tangle around pickup components. Best results are achieved when stalks have been chopped to approximately 50 to 150 mm length by a forage chopper or a combine header fitted with a chopping attachment before baling. The double-row chain drive and heavy flywheel provide the high-torque plunger force needed to compress woody corn stalk material into firm bales suitable for biogas plant feedstock, mushroom substrate, or animal bedding uses.

Q: What maintenance schedule is recommended for the square baler rollers and pickup components?
A: The recommended maintenance schedule for the 9YF-1900 includes daily lubrication of all chain drives and knotter cam points using the grease nipples and oil points identified in the operator manual, daily inspection of pickup finger condition and pickup cam bearing clearance, weekly inspection of all drive chain tension and sprocket tooth condition, and seasonal replacement of the bale channel wear plates if scoring or grooving is detected. The square baler rollers on the pickup reel cam track should be inspected every 50 operating hours for bearing play. A full annual pre-season service of the input gearbox oil, PTO shaft universal joints, and knotter assemblies is strongly recommended before the start of each major harvest season.

Customer Reviews

James Holloway, Grain and Forage Farmer, United States
"We run the 9YF-1900 behind a 65 kW tractor on our wheat and alfalfa operation in Kansas and honestly the machine has been running since May without a single knotter failure. We pushed through some really heavy windrows after a rain delay and the double-chain drive just pulled right through without bogging. The square bales are tight, consistent size every time. Ordered a spare parts kit with the machine which was good advice from the sales team -- we used the spare fingers in week three after hitting a concrete irrigation edge. Would buy again easily."

Nguyen Thanh Phuc, Rice Cooperative Manager, Vietnam
"We have been using this square hay baler machine for two full harvest seasons now, primarily for rice straw collection in the Mekong Delta region. The spring-tooth pickup handles the damp, lodged straw better than the Chinese-brand baler we replaced. Our biggest concern before buying was after-sales support given the distance, but the company shipped square baler parts within four days of our WhatsApp order and the technical engineer video-called us through the knotter adjustment. Very professional. The 1900mm pickup width means we finish each field about 30 percent faster than before."

Rajendra Singh Rathore, Agricultural Contractor, India
"I run a contracting business in Rajasthan and this is the third square baler I have purchased from this manufacturer. The German knotters on the 9YF-1900 are far more reliable than any domestic alternative I have tried. In a typical day we do 10 to 12 hours of wheat and sorghum baling and the machine just keeps going. The bales come out at roughly 18 to 22 kg with my current density gate setting which is perfect for manual loading onto camel carts for village distribution. Delivery took 28 days by sea which was as quoted. No surprises."

Mohammed Al-Rashidi, Hay Exporter, Saudi Arabia
"We export hay to the Middle East and our buyers specifically request small square hay baler output for container loading efficiency. The 460x360mm bale section from the 9YF-1900 fits our standard 40-foot containers with minimal wasted space. We produce around 800 bales per day during the season with two operators on a relay system. The automatic rope baling system means downtime for twine loading is minimal -- we get maybe 15 minutes of stop time per 10-hour shift for that. Build quality is much better than I expected at this price point. The machine weight of 1850kg feels solid and stable at field speeds."

Carlos Eduardo Ferreira, Dairy Farm Manager, Brazil
"I manage a dairy operation in Minas Gerais with 340 cows and alfalfa silage square baler work is critical for our winter feeding programme. This machine replaced a 12-year-old unit and the difference in knotter reliability is night and day. We had zero knot misses in the first 60 days of operation, which for us is remarkable. The fork feeding mechanism handles the higher moisture silage very well with no bridging issues. My one feedback is that the operator manual translation into Portuguese could be improved, but the company sent us a bilingual technical video which solved that completely. Logistics from factory to Belo Horizonte port was smooth."

Alisher Karimov, Agricultural Cooperative Director, Uzbekistan
"We bought two of these square baler machines for our cooperative in the Fergana Valley. Uzbek straw baling conditions can be tough -- very dry, dusty, and often long summer days at 38 degrees C. Both machines have performed without any heat-related issues. The double-row chain drive stays cool even under continuous operation and we service the chains with proper oil twice per season as instructed. Customer service helped us source the correct D-type knotter twine locally which was important since importing square baler twine would have been expensive. Overall satisfaction is very high and we will order a third unit next season for our alfalfa programme."

David McIntyre, Mixed Farmer, Australia
"Running this as a small square baler for compact tractor on our 80-hectare mixed farm in Victoria. The 40 kW tractor handles it comfortably in normal conditions though we slow down in really thick windrows after wet spring growth. We mainly bale vetch hay and oaten hay and the bales come out very uniform -- stacks nicely in our tin shed. Delivery from China to Melbourne took 35 days which was fine. I was a bit nervous about buying direct but the process was professional from quote through to customs clearance documentation. The agent helped us sort out the import paperwork efficiently."

Ibrahim Hassan Abdallah, Cotton Farm Owner, Egypt
"We purchased the 9YF-1900 for cotton stalk baling in the Nile Delta after cotton harvest. Cotton stalks are very demanding on any square baler because of the woody stems and the fact that stalks often contain residual soil from mechanical harvesting. The machine has handled this without channel blockages provided we rake the windrows to reduce soil inclusion before baling. The German knotters have been absolutely reliable -- we have not had a single knot miss in four months of use. One of the spring-tooth pickup fingers broke after striking a buried irrigation stake but the replacement arrived within a week. Very good service response."

Patricia Leblanc, Hay Trader and Equine Supplier, Canada
"We operate a hay trading business in Ontario supplying horse farms and the demand for uniform, clean small square bales is very strong in our market. This machine delivers exactly what our customers want: consistent 460x360mm cross-section bales that fit standard horse feeder dimensions perfectly and look professional when offered for sale. The square baler twine tension held well across a variety of ambient temperatures from 5C to 30C without readjustment. We processed about 4,200 bales in the first season with no major mechanical issues. The pre-delivery factory inspection report gave us confidence in the machine quality before it even arrived."