Beskrivelse
Model 9YK-870 Round Baler
Heavy-duty trailed round baler engineered for high-throughput hay, straw and silage operations across UK farms and contracting businesses.
What Is the 9YK-870 Round Baler?
The 9YK-870 is a professional-grade trailed round baler built for modern arable and livestock farms where reliable, consistent bale formation is non-negotiable. Mounted via a standard tractor drawbar hitch, it operates efficiently with tractors in the 25 to 50 horsepower bracket running a 540 rpm PTO output — making it genuinely accessible to smaller mixed farms as well as larger contracting operations across England, Scotland and Wales. The machine processes windrows of hay, straw, grass silage and light crop residues into compact cylindrical bales measuring 630 mm in diameter by 700 mm in width, secured with rope wrapping for easy storage and handling.
At 440 kg, the 870 is robust without being unwieldy. Its roll drum compression chamber and spring-tooth pickup system work in combination to handle varying crop volumes — from thin, sparse windrows to dense, heavy swaths — at field speeds between 2 and 5 km/h. Whether you are baling silage ahead of a wet-weather window in Yorkshire or clearing straw stubble in Lincolnshire after the combine, this round baler delivers the kind of repeatable performance that UK farmers and agricultural contractors depend on season after season.
Why UK Farmers Choose the 870 Round Baler
Spring-Tooth Pickup Reliability
The 800 mm wide spring-tooth pickup gathers crop cleanly from the windrow with minimal soil contamination. Flexible tines follow ground contours naturally, reducing crop loss even on uneven terrain common in British pasture fields.
Roll Drum Compression System
The roll drum bale chamber ensures even crop distribution and uniform bale density from the core outward. This produces consistently shaped bales that stack securely and feed evenly in livestock ration systems — a critical factor for dairy and beef units.
Low Horsepower Compatibility
With a matching power range of just 25 to 50 hp, the 870 pairs naturally with compact and mid-range tractors already common on British smallholdings and family farms. No expensive high-horsepower upgrade required — your current machine likely qualifies.
Compact Transport Dimensions
The 1300 × 1300 × 1350 mm overall footprint means the 870 navigates narrow farm lanes and tight gateways without difficulty. Road transport between fields or to other farm sites is straightforward — no wide-load permits required in most scenarios.
Rope Wrapping Simplicity
Rope wrapping keeps consumable costs predictable and maintenance demands low. The wrapping mechanism is straightforward to thread and adjust in the field, reducing downtime during critical harvesting windows when every dry hour counts.
Durable Structural Build
Constructed from high-tensile structural steel throughout, the 870 frame withstands the mechanical stresses of repeated high-density baling cycles over many seasons. Key wear components — tines, rollers and wrapping guides — are designed for straightforward replacement, keeping lifecycle costs manageable.
How the 870 Round Baler Works
Power is transferred from the tractor’s 540 rpm PTO shaft through a driveline to the machine’s internal mechanism. As the tractor moves forward at between 2 and 5 km/h, the 800 mm spring-tooth pickup lifts the crop windrow off the ground and feeds it directly into the compression chamber — a design called direct feed by spring tooth, which eliminates the transfer auger found on some older designs and reduces the number of moving parts that can wear or block.
Inside the roll drum bale chamber (700 mm wide, 630 mm diameter), a series of driven rollers rotate the incoming crop continuously. Centrifugal force and roller contact compact the material progressively from the outer surface inward, building up a firm, dense cylinder. When the bale reaches the target diameter of 630 mm, the operator initiates the wrapping cycle. Sisal rope is automatically wrapped around the circumference several times to secure the bale, then the rear gate opens and the finished bale rolls gently onto the ground.
The simplicity of this rolling compression principle is exactly why round balers have remained the preferred choice for UK hay and straw contractors for decades. Fewer hydraulic components than variable-chamber machines means fewer potential failure points, and the consistent bale geometry makes handling with a bale spike or loader bucket entirely predictable.
Technical Specifications — Model 9YK-870 Round Baler
Where the 870 Round Baler Performs
The 870 handles a wider range of crop types and conditions than its compact specification might suggest. In the lowland mixed farming belts of the East Midlands and East Anglia, contractors use it to clear barley and wheat straw swiftly after harvest, keeping fields clean for the following rotation. Upland sheep and beef farmers in Wales and the Scottish Borders rely on it for baling ryegrass hay and silage across sloping fields where heavier machinery would cause compaction damage or risk tipping.
Equestrian businesses throughout the Home Counties have found the 870 particularly well-suited for producing small hay bales that are easy to handle, move and store in yard environments. The 630 × 700 mm bale size is light enough for two people to roll comfortably and compact enough to stack in a standard stable block without specialist handling equipment.
Customer Success: Bramblewood Farm, Shropshire, UK
Livestock & Hay Operation | West Midlands, England
Bramblewood Farm runs a 180-head suckler beef herd across 320 acres of Shropshire pasture and arable ground. Prior to purchasing the 870 Round Baler, the operation relied on a contractor to bale approximately 600 acres of hay and straw annually — an arrangement that proved costly and schedule-dependent. After buying the 870 and pairing it with their existing 42 hp compact tractor, the farm now completes all its own baling over a two-week window in July and a further week in September for silage aftermath. First-year savings on contractor fees covered a significant portion of the machine purchase price. The farm manager noted that the spring-tooth pickup handled a late-cut, slightly stemmy ryegrass sward better than expected, producing tight, well-formed bales throughout.
Hvad vores kunder siger
“We’ve been running this baler for two seasons on mixed grassland in Herefordshire. It picks up cleanly, the wrapping never misses and it’s been virtually zero maintenance. Excellent value compared to what the dealers here were quoting.”
“I run a contracting business and needed a second baler to keep up with demand in June. The 870 fitted my budget and the 40 hp tractor I had spare. Throughput is solid — I can comfortably bale 15 to 20 acres per day in good conditions.”
“We manage three equestrian properties and hay supply is critical. The small bale size this machine produces is perfect for our staff to handle without machinery. Lead times from the supplier were shorter than expected and the after-sales support has been responsive.”
Also Available: Baling and Wrapping Integrated Machine
For operations requiring silage-ready bales straight out of the field, the 9YCM-850 integreret ballepresnings- og indpakningsmaskine combines the round baling process with stretch-film wrapping in a single pass. This integrated solution eliminates the need for a separate bale wrapper, reducing labour requirements and the risk of aerobic spoilage from delayed wrapping — a significant benefit for UK farms operating in unpredictable summer weather.
Manufacturing & Custom Configuration
Every 870 Round Baler leaves our dedicated manufacturing facility where structural steel components are precision-cut, formed and welded to exacting quality standards. The production floor runs dedicated quality-control checkpoints at each assembly stage — driveline fitment, roller alignment, wrapping mechanism calibration and final load testing — ensuring the machine you receive performs identically to our internal specifications.
Beyond the standard configuration, our engineering team provides genuine bespoke design and build capacity for B2B buyers with specific operational requirements. Custom pickup widths, alternative wrapping materials, modified hitch arrangements for non-standard tractors, and OEM private-label builds for distributors are all available subject to order volume. If your operation has a requirement that the off-the-shelf specification does not meet, speak to our technical sales team — we handle custom briefs regularly and will provide a detailed feasibility assessment and price within five working days.
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Ready to Talk About Your Baling Requirements?
Our agricultural machinery specialists are available to discuss machine selection, technical specifications, volume pricing and custom build options for UK buyers.
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