CWB-2L 2 Rows Potato Harvester for Tractor
The CWB-2L 2 row potato harvester for tractor provides efficient harvesting with gentle handling and direct loading into 700 kg big bags. Requiring only 100 cv and operating at 2-5 km/h, this potato harvester machine ensures high productivity and low damage for tractor mounted potato harvester applications. Ideal for professional potato farming operations. Customize with Mexico Watanabe today.
CWB-2L 2 Row Potato Harvester Overview
The CWB-2L 2 row potato harvester for tractor stands as a specialized solution developed to address the demands of modern potato cultivation. This tractor potato harvester integrates advanced separation mechanisms that lift tubers from the soil while effectively removing excess earth, stones, and debris. Designed as a trailed unit, it attaches directly to compatible agricultural tractors, enabling simultaneous processing of two rows and significantly increasing operational efficiency compared to single-row or manual alternatives. Its construction emphasizes durability through high-strength materials that withstand repeated use across varied soil types commonly encountered in commercial potato production.
Operators benefit from the machine’s balanced design, which maintains stability during forward movement and ensures precise depth control for optimal tuber extraction. The system incorporates multiple conveyor webs and a separator stage that gently guides potatoes toward the collection area without excessive mechanical stress. This potato harvester for tractor configuration supports a continuous workflow, allowing the harvested crop to move directly into large-capacity storage solutions. Such integration reduces handling time and preserves product quality from the field to storage.
Product Specifications
Additional features include capacity for double big bags at 700 kg each and optional separation of small potatoes. For any custom tractor compatibility or working width adjustments on your potato harvester machine, our team at Mexico Watanabe is ready to assist with tailored configurations.
| Technical Data | CWB-2L Potato Harvester |
|---|---|
| Dimensions | |
| Length (mm) | 8800 |
| Width (mm) | 3200 |
| Height (mm) | 3900 |
| Empty Weight | 4500 Kg. |
| Tractor Requirements | |
| Input speed PTO shaft | 540 RPM |
| Engine power (min.) | 100 cv |
| Control valves required | 2 |
| Working speed | 2 - 5 Km/h |
CWB-2L Potato Harvester Parts
| No. | Parts |
| 1 | Drawbar |
| 2 | Share Blade |
| 3 | Limiting Wheel |
| 4 | 24” Disc Guide |
| 5 | 1st Main Web |
| 6 | 2nd Web |
| 7 | Deviner Web |
| 8 | Steating Wheels |
| 9 | 3nd Web Lifting |
| 10 | Pintle Web |
| 11 | Separator |
| 12 | Picking Web |
| 13 | Bag’s Web Feeder |
| 14 | Double Bag’s |
| 15 | Operators Protection Canvas |
| 16 | Complete Hydraulic Drive |
Characteristics of the CWB-2L 2 Row Potato Harvester Machine
- Multi-Stage Separation System
The CWB-2L 2 row potato harvester features a carefully engineered multi-stage separation system that begins with reinforced share blades followed by main webs, deviner webs, and a dedicated separator unit. This progressive design effectively lifts tubers from the soil while removing stones, clods, and excess earth without causing bruising or skin damage. Farmers working with varied soil conditions appreciate how each stage works in sequence to deliver cleaner potatoes ready for immediate bagging, reducing post-harvest cleaning time and preserving overall crop quality across full harvest days. - Complete Hydraulic Drive Configuration
Powered by a full hydraulic drive system, the CWB-2L potato harvester machine ensures smooth and consistent operation of every moving component regardless of load changes in the field. Hydraulic motors drive the webs and separator at precise speeds, eliminating mechanical shock that could otherwise harm delicate tubers. This setup provides reliable power distribution from the tractor’s 540 RPM PTO, allowing operators to maintain steady performance even when soil moisture or crop density varies during long working shifts. - Integrated Big-Bag Feeder Mechanism
A standout feature of this tractor mounted potato harvester is the integrated big-bag feeder capable of handling two 700-kilogram bags simultaneously. The feeder positions bags directly beneath the final conveyor, enabling continuous collection without stopping the machine. This direct-loading approach minimizes handling steps, protects potato integrity during transfer, and streamlines logistics for farms that rely on large-volume storage or immediate transport to packing facilities. - Reinforced Structural Frame and Weight Distribution
Engineered with heavy-duty structural reinforcements, the CWB-2L 2 rows potato harvester reaches an empty weight of 4500 kilograms that delivers excellent stability on uneven terrain. The balanced frame design prevents tipping during turns and maintains consistent working depth even at higher forward speeds. This solid construction translates into fewer vibrations, reduced wear on components, and longer service intervals for commercial operations that demand dependable daily performance. - Dual-Row Working Width Design
With a working width optimized for two rows at once, the CWB-2L potato harvester covers more ground per pass than single-row alternatives while keeping the tractor footprint manageable. The layout allows precise alignment with planted rows, reducing overlap and missed tubers in the field. Operators report noticeable gains in daily output, making the machine particularly suitable for medium to large acreage farms seeking efficient coverage without sacrificing crop recovery rates. - Standard 540 RPM Cardan Shaft Input
The machine connects seamlessly to standard tractor PTO systems through its 540 RPM cardan shaft input, ensuring broad compatibility across different tractor brands and models. Proper alignment and guard positioning are straightforward, allowing quick attachment in the field. This industry-standard specification means most farms already equipped with medium-power tractors can integrate the CWB-2L without costly modifications or adapters.
Working Principle of Tractor-Mounted Potato Harvester
The CWB-2L 2 row potato harvester functions as a tractor-mounted potato harvester through a smooth, continuous sequence that begins the moment the machine advances across the field. Powered directly by the tractor’s standard 540 RPM PTO, the process starts with the reinforced share blades slicing cleanly beneath each potato row at a precisely set depth. These blades lift the soil slice containing tubers, roots, and vines in one steady motion and transfer everything onto the first main web. Here, built-in vibration combined with correctly sized mesh immediately shakes loose the bulk of the soil and small stones, lightening the load for the stages that follow while keeping the potatoes undamaged.
As the mixture moves forward, it reaches the deviner webs, which pull away remaining vines and plant debris through gentle agitation. This step clears the flow efficiently so that only clean tubers continue to the separator area. At the separator, adjustable rollers turn at controlled speeds to separate potatoes from larger clods and stones based on size and weight differences. The potatoes then travel up the picking web, which angles them carefully toward the rear and drops them directly into the integrated big-bag feeder system. This feeder handles two 700 kg bags at once without any need to stop forward progress.
Every component runs on its own hydraulic motor, all synchronized through the closed-loop PTO drive. Operators simply use two auxiliary control valves from the tractor seat to adjust working depth, web speed, and lifting height in real time whenever soil moisture or tuber density changes. Running steadily at 2 to 5 km/h, the entire system emphasizes gentle handling at every transfer point, protecting potato skin and shape from field to bag.
Advantages of the 2 Row Potato Harvester for Tractor
- Gentle Handling Protects Tuber Quality
The CWB-2L 2 row potato harvester for tractor stands out by using smooth web-based conveyance and precisely controlled separation speeds that minimize bruising and skin damage during the entire lifting process. Unlike harsher mechanical alternatives that can crack or cut potatoes, this tractor mounted design keeps tubers intact from field to bag. Farmers see the direct result in higher marketable yields and longer storage life, especially when delivering to fresh-market buyers or processing plants that demand clean, undamaged crop. - Two-Row Configuration Boosts Daily Output
By harvesting two rows at once, the CWB-2L potato harvester machine covers significantly more ground per pass than single-row units while maintaining perfect row alignment. This setup, combined with a steady working speed of 2 to 5 km/h, lets operators finish fields faster without rushing or missing tubers. The practical result is noticeably higher daily production, which helps commercial growers meet tight harvest windows and reduce overall time spent in the field. - Direct Big-Bag Loading Saves Time and Labor
The integrated big-bag feeder on this 2 row potato harvester for tractor handles two 700 kg bags simultaneously, allowing continuous collection without stopping the machine or extra manual handling. Potatoes drop straight from the final conveyor into the bags ready for immediate transport or storage. This eliminates multiple transfer steps, cuts labor requirements, and keeps the harvest moving efficiently even during long working days on medium to large acreage farms. - Low Power Requirement Improves Fuel Economy
Requiring only a minimum of 100 cv from the tractor, the CWB-2L tractor potato harvester runs economically while still delivering full hydraulic power to every stage. The efficient PTO drive at 540 RPM means lower fuel consumption compared with heavier or more demanding machines. Growers appreciate the reduced operating costs and the ability to use existing medium-power tractors without needing upgrades, making the machine a smart choice for sustainable farm budgets. - Trailed Design Offers Easy Tractor Compatibility
Built as a trailed unit, the CWB-2L 2 rows potato harvester attaches and detaches quickly from standard tractors without any permanent modifications. Operators can switch implements in minutes and use the same tractor for other field tasks the same day. This flexibility keeps equipment utilization high and simplifies logistics on mixed farms where one tractor must handle multiple jobs throughout the season. - Real-Time Hydraulic Controls Increase Adaptability
Two simple auxiliary valves let the operator adjust working depth, web speed, and lifting height instantly from the tractor seat as soil conditions or tuber density change. This closed-loop hydraulic drive keeps every stage synchronized without mechanical shock, helping maintain gentle handling and high recovery rates even when moving between wet and dry areas of the same field. The practical controls make the machine user-friendly for both experienced and newer operators alike.
Common Troubleshooting of Compact Tractor Potato Harvester
- Webs Becoming Clogged with Soil and Vines
When the main webs or deviner webs on the CWB-2L 2 row potato harvester start to jam or move slowly, the most common cause is heavy wet soil or tangled vines building up between the rods. Stop the machine, lower the webs, and clear debris thoroughly using a pressure washer or stiff brush. Check web tension afterward and adjust if necessary to prevent recurrence during damp field conditions. This quick fix keeps the gentle handling system running smoothly and avoids unnecessary downtime in the middle of harvest. - Insufficient Soil and Stone Separation
If too much soil or small stones end up in the big bags with your potatoes, the separator rollers likely need adjustment. Increase the gap slightly between rollers or raise the separator speed using the control valves. In very dry or cloddy soil, slowing the forward speed to 2-3 km/h often improves separation quality dramatically. Proper adjustment at the start of each field ensures cleaner tubers and reduces extra cleaning work later. - Hydraulic System Losing Power
Weak or unresponsive hydraulic functions on this tractor potato harvester usually point to low oil level, air in the lines, or a leaking hose. Check the tractor’s hydraulic fluid first, then inspect all connections for leaks. Bleed the system if air is suspected and ensure both control valves are delivering full pressure. Restoring full hydraulic power lets operators make instant depth and speed changes without interrupting the harvest flow. - Share Blades Not Digging at Proper Depth
When the share blades fail to lift potatoes consistently or dig too shallow, the top link or depth wheels need recalibration. Park on level ground, lower the machine, and adjust the depth control until the blades run 15-20 cm deep. Always test in a small area before full operation. Correct depth settings protect both the crop and the machine while maximizing the number of marketable tubers recovered per pass. - Excessive Bruising of Harvested Potatoes
Potato damage or skin scuffing often occurs when web speed is set too high relative to forward speed. Reduce the conveyor speed slightly through the hydraulic controls and ensure the picking web angle is not too steep. Regular lubrication of all transfer points also helps maintain smooth, gentle crop flow. These small adjustments keep tuber quality high, which directly improves storage life and sale prices for fresh-market or processing buyers. - Big-Bag Feeder Not Filling Evenly
If bags are not filling properly or potatoes spill during collection, check that the final conveyor alignment is correct and the bag hooks are securely fastened. Clean any buildup around the feeder chute and verify the hydraulic motor driving the feeder is operating at the recommended speed. Even filling prevents bag overload and keeps the entire 2 row potato harvester moving without constant stops. - PTO Shaft Vibration or Disconnection
Vibration coming from the PTO drive on the CWB-2L potato harvester usually indicates misalignment or a worn universal joint. Stop immediately, check the shaft length and angle, and ensure all guards are properly fitted. Replace any damaged joints before continuing harvest. A smooth PTO connection at 540 RPM guarantees consistent power to every stage and prevents expensive secondary damage to the drive system.
FAQs
Q: What is the minimum tractor power required for the CWB-2L 2 row potato harvester for tractor?
A: The CWB-2L potato harvester machine requires a minimum of 100 cv from the tractor to operate all systems effectively. This relatively low power demand makes it an excellent match for many standard and compact tractor potato harvester setups. Farmers can use their existing equipment without upgrading to higher horsepower models, keeping operating costs reasonable while maintaining full performance.
Q: How does the CWB-2L potato harvester machine handle big bag collection?
A: This tractor mounted potato harvester comes with a built-in big-bag feeder system capable of loading two 700 kg bags simultaneously. Potatoes move gently from the final conveyor directly into the bags without stopping the machine. The design significantly reduces labor and speeds up the harvesting process for efficient field-to-storage operations.
Q: Can the 2 row potato harvester separate small and large potatoes during harvest?
A: Yes, the CWB-2L 2 row potato harvester features an adjustable separator that allows you to grade small and large potatoes right in the field. By changing roller spacing, operators can direct different sizes into separate bags during a single pass. This capability is very useful for both seed production and premium market grading.
Q: What is the working speed range for optimal performance of this tractor potato harvester?
A: The CWB-2L tractor potato harvester works best at speeds between 2 and 5 km/h. This range allows for thorough soil separation and gentle tuber handling while still delivering good daily output. Staying within these speeds helps reduce crop damage and ensures consistent results across different field conditions.
Q: How many control valves are needed to operate the CWB-2L potato digger harvester?
A: The CWB-2L potato digger harvester only needs two auxiliary hydraulic valves from the tractor. These controls manage working depth, web speed, and lifting functions. The straightforward setup makes this compact tractor potato harvester easy to operate even for less experienced drivers.
Q: Is the CWB-2L suitable for different soil types in potato farming?
A: The CWB-2L potato harvester for tractor performs reliably in light to medium soil types typical for potato growing. While it handles most conditions very well, operators may need to make small adjustments in extremely heavy or rocky soils. Proper setup ensures excellent results and clean potato recovery.
Q: What maintenance frequency is recommended for the web system in this potato harvester for tractor?
A: We recommend daily cleaning of the webs to remove soil and vines, plus weekly lubrication of all moving parts on this potato harvester for tractor. Following this simple schedule prevents early wear and keeps the machine running smoothly throughout long harvest seasons.
Q: Does Mexico Watanabe offer customization for the CWB-2L 2 rows potato harvester?
A: Yes, we offer customization services for the CWB-2L two row potato harvester, including special discharge options and width modifications. Our team works closely with customers to adapt the machine to specific farm needs and local field conditions for maximum productivity.
Q: How long does installation typically take for the tractor mounted potato harvester?
A: Installation of this tractor mounted potato harvester usually takes around one hour or less when following our clear instructions. The simple trailed design and standard PTO connection allow most farmers to attach the machine quickly without special tools or assistance.
Q: Are spare parts readily available for the CWB-2L potato harvester machine?
A: Spare parts for the CWB-2L potato harvester machine are readily available through our worldwide support network. We keep common potato harvester parts such as webs, blades, and rollers in stock for fast delivery. This helps minimize downtime during critical harvest periods.
Q: What is the empty weight of the CWB-2L and why does it matter?
A: The CWB-2L has an empty weight of 4500 kg. This weight gives the machine excellent stability and helps maintain consistent digging depth on uneven ground. The solid mass makes this 2 row potato harvester more stable during operation compared to lighter models.
Q: Can this 2 row potato harvester be used for seed potato production?
A: Yes, the CWB-2L 2 row potato harvester is well suited for seed potato production. Its gentle handling and precise separation features protect tuber quality and allow size grading directly in the field. Many seed producers choose this machine for its ability to maintain high standards with minimal damage.
Customer Reviews
Maria Gonzalez, Farm Owner, Mexico
"We have run the CWB-2L 2 row potato harvester for tractor on our 80-hectare operation for two full seasons now. The direct loading into double 700 kg big bags has cut our labor needs almost in half while keeping tuber damage well below 2 percent. The Mexico Watanabe team has been quick to answer every question, making this tractor mounted potato harvester one of the best investments we’ve made."
Thomas Berger, Operations Manager, United States
"The build quality on this potato harvester machine really stood out from day one. After 18 months and more than 400 working hours, the webs still look almost new and the 2 row potato harvester handles our Midwest clay soils without any major issues. The steady 2-5 km/h working speed matches our 110 cv tractor perfectly and keeps everything running smooth."
Elena Ramirez, Agronomist, Argentina
"Switching to the CWB-2L tractor potato harvester let us harvest 30 percent faster than our old single-row setup. Being able to separate small and large potatoes right in the field with the adjustable separator has been a game-changer for our grading line. This potato harvester for tractor delivers clean results every pass and has become essential on our farm."
David Kim, Production Supervisor, Canada
"Installation of the CWB-2L 2 rows potato harvester took less than an hour and the hydraulic controls feel very intuitive from the tractor seat. We had zero breakdowns during our entire peak season, which is exactly what you want from a reliable potato digger harvester. The gentle handling protects our premium table-stock potatoes better than any other machine we’ve tried."
Ana Morales, Field Manager, Brazil
"When we needed a replacement share blade for our potato harvester machine, the Mexico Watanabe support team shipped it within three days. Their quick response and clear instructions kept our downtime to almost nothing. The CWB-2L potato harvester for tractor continues to load clean crops straight into big bags season after season with no surprises."
Robert Schmidt, Owner, Germany
"After testing several options, the CWB-2L 2 rows potato harvester gave us the best balance of low power requirement and high capacity. At only 100 cv minimum it works great with our existing tractors and the 4500 kg weight keeps it stable on rolling fields. This tractor mounted potato harvester has quickly become the most important piece of equipment on our farm."
Pieter van Dijk, Harvest Manager, Netherlands
"The logistics team at Mexico Watanabe made sure our new CWB-2L potato harvester machine arrived exactly on the promised date, even with the long international shipping. Once it was here, setup was simple and the two-row design fits our narrow rows perfectly. We’re seeing noticeably cleaner potatoes and faster daily output than with our previous compact tractor potato harvester."
Jan Kowalski, Farm Director, Poland
"We chose the CWB-2L because it handles our heavier soils better than any other 2 row potato harvester we looked at. After one full season the reinforced frame shows almost no wear and the optional size separation saves us hours of extra sorting. The gentle web system really protects skin quality, which matters a lot when selling to fresh markets."
Carlos Mendoza, Production Manager, Peru
"On our high-altitude fields the CWB-2L tractor potato harvester performs reliably even with thinner air and variable terrain. The 540 RPM PTO connection was straightforward and the big-bag feeder system works perfectly for our export volumes. This potato harvester machine has reduced our harvest labor costs while keeping damage extremely low — definitely one of the best potato harvester investments we’ve made."
Additional information
| Edited by | Yjx |
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