6-Row Kidney Bean Puller Machine for Sale | 4BYHD-3.9

The 4BYHD / 4BYHS-3.9 is a 3-point hitch, PTO-driven kidney bean puller engineered for commercial-scale dry bean farming. With a 3.9 m working width covering 6 rows per pass, a single operator can windrow 2.34–3.9 hm² per hour — moving fields toward combine-ready drying without the crop loss that comes with conventional cutting. Widely sourced from bean puller manufacturers serving North America, Eastern Europe, and Central Asia markets, this machine is built for pinto, black, and kidney bean production on row spacings matched to 3,900 mm track width tractors.

What the 4BYHD / 4BYHS-3.9 Does — and Why It Matters

Kidney bean harvesting is a two-stage operation: pull the plants from the soil, lay them into uniform windrows so they dry evenly across the field, then run a combine or pickup harvester over the rows. The quality of that first stage — the pull — determines final yield and bean grade. Ragged uprooting leaves root systems incomplete, exposes pods to re-soil contamination, and creates uneven windrows that dry at different rates, forcing either under-ripe or over-dry beans into the thresher.

The 4BYHD / 4BYHS-3.9 uses a spring-tooth pickup mechanism (弹齿式) that penetrates the soil just below root depth, extracting the full plant with root ball intact. Extracted plants are transferred onto a conveyor and deposited in a tidy, continuous windrow at a controlled pace of 6–10 km/h. The result is uniform drying across the field, reduced green bean contamination, and a crop that enters the threshing stage with consistent moisture content.

The suspended 3-point hitch (悬挂式) mounting keeps the machine matched to tractor geometry across uneven ground, while the 540 r/min PTO output shaft delivers consistent drive power to the picking unit regardless of soil variation. At a structural weight of 1,675–1,780 kg, the implement has the mass to stay stable at field operating speeds without requiring ballast addition.

Technical Specifications of 4BYHD / 4BYHS-3.9 Edible Bean Puller

Detailed view of the 4BYHD/4BYHS-3-9 kidney bean puller

Advanced Uprooting & Windrowing Mechanism for Uniform Drying

The pulling and windrowing system on the 4BYHD / 4BYHS-3.9 is built around two core performance demands: clean extraction and row-consistent placement. Here is how each stage works in the field:

This approach to low-loss bean pulling harvesting keeps field losses below the thresholds that cost growers measurable yield reduction. Unlike mower-header designs, no cutting blade is used — the plant remains whole from root to tip through the entire windrowing process, preserving pod attachment until the thresher separates them at peak dryness.

Key Advantages of the 4BYHD / 4BYHS-3.9

Minimum Pod Damage with Advanced Pulling Technology

Pod integrity directly affects grading and market price. The spring-tooth pickup system on the 4BYHD / 4BYHS-3.9 grips plants at the stem and root junction — not at pod level — so pods never make contact with moving metal parts during extraction. At a PTO speed of 540 r/min, the pickup fingertips maintain a tip speed optimized to lift rather than drag, which research into edible bean harvest engineering consistently identifies as the primary variable controlling pod skin damage rates.

The machine’s 6–10 km/h operating range also matters here: operators can slow to 6 km/h in tangled or lodged crop without losing pickup efficiency, keeping the low-loss bean pulling performance across variable field conditions. Buyers sourcing from bean puller manufacturers for processing or export markets will find this especially relevant, since skin-intact beans command premium per-tonne prices versus cracked or split grades.

Adaptable to Diverse Row Spacings for Black, Pinto, and Kidney Beans

The 3.9 m working width and 3,900 mm track width are engineered to match the row spacing conventions used across North American, Russian, and Central Asian dry bean production regions. Whether the field runs kidney beans at 70 cm row centres, pinto beans at 65 cm, or black beans at 60 cm, the 6-row working width accommodates the full span without row-end straddle adjustments.

The suspended hitch geometry allows the picking head to follow ground contours independently of tractor pitch, which is critical on rolling topography where fixed-frame designs force the outside rows into either too-shallow or too-deep extraction angles. For farms running the same tractor across multiple legume crops — soybean, dry navy bean, and kidney bean rotations — the 4BYHD / 4BYHS-3.9’s 132–147 kW power requirement aligns with the 177–197 hp tractors already common in large-acreage bean production.

Single-Operator Efficiency: 2.34–3.9 hm² per Hour

One operator running the 4BYHD / 4BYHS-3.9 at optimal speed can windrow the equivalent of what 30–50 manual workers would complete in a day, depending on field conditions. For contract harvesting operations and large farms managing harvest windows that close within days due to weather, this throughput rate determines whether the entire crop is pulled at the right moisture window or whether late-harvested sections lose grade.

The structural weight range — 1,675 kg for the 4BYHD variant and 1,780 kg for the 4BYHS — reflects a robust frame design that stays planted on field undulations without requiring external ballast, and that provides the inertia necessary to maintain steady conveyor speed through row-end transitions and headland turns.

Frequently Asked Questions — 4BYHD / 4BYHS-3.9 Kidney Bean Puller

Compatible Equipment & Accessories

The 4BYHD / 4BYHS-3.9 integrates into a complete mechanized dry bean harvest system. The following equipment works alongside this kidney bean puller:

Specifications subject to change without notice. Contact our sales team to confirm current production specs before placing an order.