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650results about "Harrows" patented technology

Ploughing machine for wasabi planting

The utility model relates to a ploughing machine for wasabi planting, and belongs to the technical field of wasabi planting. The hydraulic rod drives the ploughing assembly to rotate, the angle of the ploughing ploughshare can be flexibly adjusted according to the ploughing depth requirement, operation is easy and convenient, in the walking process of the device, soil is ploughed through the ploughing ploughshare, meanwhile, the wheel shaft rotates and drives the first crushing roller and the second crushing roller to rotate, the ploughed soil blocks are crushed, and the ploughing efficiency is improved. Soil blocks which are not completely broken are harrowed again through the harrowing assembly, so that the ploughing effect of the soil is guaranteed, large soil blocks are avoided, the air permeability and water retention of the soil are further improved, growth and development of roots of wasabi are facilitated, secondary rework is not needed, and the ploughing efficiency is improved; the harrowing assembly can harrow crop stubbles and weeds in a planting field and is matched with the second crushing roller to turn the crop stubbles and the weeds into soil, and therefore the planting quality of wasabi is improved.
Owner:金葵农业(云南)股份有限公司

Robot and method for monitoring agriculture-like cultivated land and land humidity

According to the agriculture-like cultivated land and land humidity monitoring robot and the monitoring method, structurally, a soil turning device, a soil extraction device and a driving wheel device are connected with a driving motor, the driving motor, a camera device and the soil extraction device are in signal connection with a remote control terminal, and the soil turning device is arranged in a front-back telescopic and up-down movable mode relative to a machine body; the soil extraction device is movably arranged up and down relative to the machine body, the camera device is rotationally arranged relative to the machine body and used for monitoring the movement of the robot in real time, and by optimizing robot hardware configuration and sensor layout and integrating multiple sensors and a core control unit, comprehensive and accurate collection of farmland soil key parameters is achieved. And a wireless data transmission and cloud storage system is deployed to ensure real-time and accurate transmission and analysis of data. Artificial intelligence and computer vision technologies are integrated, soil images are processed, features are extracted and classified, and accurate evaluation and prediction of soil quality are achieved.
Owner:NANJING INST OF MECHATRONIC TECH

Protective farming strip tiller

PendingCN119949078ASpadesHarrows
The invention discloses a protective farming strip tiller, and belongs to the technical field of agricultural machinery. According to the protective tillage strip tillage machine, the mode that multiple sets of harrow blades are combined and staggered is adopted, the working efficiency of a machine tool is improved, and power fuel oil consumption is reduced. A machine frame is composed of a main machine frame and an auxiliary machine frame, and the main machine frame and the auxiliary machine frame are each provided with a harrow blade mechanism, a soil blocking mechanism, a traction beam damping mechanism and a soil crushing and pressing mechanism. According to the invention, a plurality of groups of harrow blades are arranged in a staggered manner, soil needing to be cultivated is repeatedly cut up and mixed, the harrow blades rotate in a passive manner, power output of a tractor is not needed, only traction force is needed, so that the operation speed is increased, and the power consumption is reduced. Besides, each group of harrow blades has a radian, and soil can be thrown to one side in the high-speed operation process, so that straws on the earth surface are shallowly buried, and the straws are stabilized and cannot be blown away by wind.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Agricultural implements and related methods and systems

An agricultural implement includes a frame including a center frame section, an intermediate frame section, and a wing frame section. A first actuator is operably coupled to the center frame section and the intermediate frame section, and a second actuator is operably coupled to the wing frame section and the intermediate frame section. A first sensor is configured to sense a position of the intermediate frame section relative to the center frame section, and a second sensor is configured to sense a position of the wing frame section relative to the intermediate frame section. A control system is configured to control the first actuator and the second actuator to adjust the position of the intermediate frame section based at least in part on the sensed position of the intermediate frame section relative to the center frame section. Related methods and control systems are also disclosed.
Owner:AGCO CORP

Self-film-changing type peanut seeding machine and method

The invention relates to a self-film-changing type peanut seeding machine and method, and belongs to the technical field of peanut seeding machinery. According to the technical scheme, the front end of a hydraulic oil cylinder (18) is connected with a front rack (2), the tail end of the hydraulic oil cylinder is connected with a rear rack (19), the rear rack (19) is driven to rotate along a hinged shaft (55), and a hydraulic folding structure (53) of the rear rack (19) is formed; the mulching film roller frame is provided with two groups of mulching film frames which are arranged up and down, the two groups of mulching film frames are respectively provided with an upper mulching film roller and a lower mulching film roller, a film changing device is arranged between the two groups of mulching film frames, and the film changing device is matched with the upper mulching film roller and the lower mulching film roller to realize automatic film changing. The peanut seeding machine has the beneficial effects that the non-stop automatic film changing is adopted, and under the condition of strong wind in spring, effective peanut seeding operation can be realized, the amount of covering soil used when seeding is completed is increased, secondary pressing on the film is realized, the machine body is shortened, operation or transition is convenient, practicability and convenience are realized, labor is saved, and the structure is compact.
Owner:LUANZHOU HONGFAN AGRICULTURAL MACHINERY PROFESSIONAL COOP

Fertilizer gaining method for agricultural steeping field rectification

The invention discloses a fertilizing method for agricultural steeping field rectification, and relates to the technical field of steeping field rectification, and the fertilizing method comprises the following steps: S1, enabling water to enter a field to steep the field, and standing for 3-5 days, S2, pulling a tractor into the steeping field, starting an electric hydraulic rod to push a traction frame to move, pulling a rotating plate to rotate along a bottom plate, and turning on the electric hydraulic rod; according to the invention, the structure is scientific and reasonable, the use is safe and convenient, the soil turning and crushing mechanism is arranged, the traction frame is pushed to move through the electric hydraulic rod, and the rotation plate is limited through the bottom plate, so that the operation is convenient, the operation is convenient, and the operation is convenient. A sliding plate drives an electric hydraulic rod and a traction frame to slide along a sliding groove, a rotating plate is driven to rotate, a rotating rod drives a soil loosening roller to descend and make contact with the field, follow-up soil turning is facilitated, and through cooperation of a driving gear, the rotating plate drives a swing plate to rotate.
Owner:BEIDAHUANG GRP HEILONGJIANG 856 FARM CO LTD

Agricultural header with foldable transport wheel assembly

An agricultural header for an agricultural vehicle includes: a header frame; at least one cutter carried by the header frame and configured to cut crop material; and a transport assembly coupled to the header frame. The transport assembly includes: a first arm coupled to the header frame and including a first wheel mount configured to mount a first transport wheel thereto; a second arm pivotably coupled to the header frame and including a second wheel mount configured to mount a second transport wheel thereto; and a cross arm coupling the first arm to the second arm. The cross arm is releasably coupled to the first arm such that the cross arm and the second arm are slideable and nestable with one another when the cross arm is uncoupled from the first arm.
Owner:BLUE LEAF I P INC

Soil plowing and loosening device for planting smallanthus sonchifolius

The utility model provides a soil plowing and loosening device for smallanthus sonchifolius planting, and relates to the technical field of soil plowing and loosening, the soil plowing and loosening device for smallanthus sonchifolius planting comprises a support frame, wheels mounted on two sides of the support frame and a connecting shaft, the connecting shaft is rotatably arranged on the inner side of the support frame, connecting seats are fixed at two ends of the connecting shaft, a transmission case is fixed between the two connecting seats, and the transmission case is connected with the support frame. Soil breaking drill bits are rotationally installed on one side of the transmission box at equal intervals, and a transmission assembly used for driving the soil breaking drill bits to rotate is arranged in the transmission box. According to the soil plowing and loosening device for smallanthus sonchifolius planting, a hydraulic cylinder drives a connecting rod to drive a connecting shaft to rotate, so that the angle of a transmission box is adjusted, angle adjustment of a soil breaking drill bit can be further achieved, then adjustment of the soil plowing depth is achieved, in addition, through arrangement of the soil breaking drill bit, hard blocks in soil are crushed, and the soil plowing depth is improved. Soil is loosened through the first soil loosening harrow and the second soil loosening harrow, and the soil loosening effect is improved.
Owner:SONGMING SHANGPIN FRESH FARMING FARMERS PROFESSIONAL COOP

Composite soil turning heavy harrow and heavy harrow synchronous lifting control system

The invention discloses a composite soil turning heavy harrow and a heavy harrow synchronous lifting control system, and belongs to the technical field of agricultural machinery. The composite soil turning heavy harrow comprises a connecting frame, and a deep rotary tillage assembly, a soil turning sieve assembly and a shallow rotary tillage assembly are sequentially fixed below the connecting frame; according to the soil turning sieve assembly, the upper end of a coulter is fixedly connected with a connecting frame, the front end of a soil sieving rod is fixedly connected to the rear side of the coulter, the front portion of the soil sieving rod is provided with an upper protruding part, the rear portion is provided with a lower protruding part, and the rear end of the soil sieving rod is provided with a soil raking part extending upwards; the soil turning sieve assembly is located above the lower protruding part, and the soil turning sieve assembly and the soil raking part are connected with the connecting frame through the floating assembly. The deep rotary tillage assembly is used for turning out deep soil, the soil turning screen assembly is matched with a soil screening rod through a coulter, large soil blocks and sundries are effectively guided and primarily screened, the shallow rotary tillage assembly operates at a small torque and a high rotating speed, the large soil blocks and sundries are further smashed, and the soil is smoothed by the soil raking part; multiple steps such as deep ploughing, crushing and soil raking can be completed through one-time operation, and the operation efficiency is improved.
Owner:XUZHOU ZHONGYANG AGRI MASCH CO LTD

A soil loosening device for agricultural planting and tillage

The present invention relates to the technical field of tillage tools, and in particular to an agricultural planting tillage tillage tool, comprising a mounting plate, a push handle being arranged in the middle of the top of the mounting plate, a first bearing seat being symmetrically arranged on the rear side of the bottom of the mounting plate, a tillage tool knife being arranged on each of the first bearing seats, a first dual-axis motor being arranged at the center of the rear side of the bottom of the mounting plate, and an output shaft of the first dual-axis motor being connected to the shaft end of the adjacent tillage tool knife through a coupling. The device realizes the rotary tillage operation of the tillage tool knife and the tillage tool on the mounting sleeve through the drive of the dual-axis motor, thereby improving the tillage efficiency. At the same time, the device is designed with an adjustable tillage component position mechanism. When encountering obstacles such as tree trunks, the swing arm will trigger the mechanical structure, and the facing or back movement of the tillage component will be realized through the cooperation of the gear, rack, screw rod and nut, so as to smoothly adjust the position and pass through the gap between plants.
Owner:蒙飞

Disc harrow adjusting system, disc harrow adjusting method and operation machine

The invention relates to the field of operation machinery, and discloses a disc harrow adjusting system, an adjusting method and operation machinery. The disc harrow adjusting system comprises a harrow frame base body, a movable harrow and a deflection angle adjusting module. The deflection angle adjusting module is used for driving the movable harrow to deflect and adjust relative to the harrow frame base body; the control module comprises a data processing module, a data input module and a controller, a parameter optimization platform model and a simulation real-time response model after big data training are built in the data processing module, and the data input module is configured to import operation parameters into the simulation real-time response model to obtain all working condition data meeting requirements; the parameter optimization platform model is used for selecting an optimal working deflection angle from all the working condition data, and the controller is configured to control the deflection angle adjusting module to work according to the optimal working deflection angle. The disc harrow adjusting system disclosed by the invention can guarantee the farming quality and improve the working efficiency.
Owner:HENAN RICHUANG GENERAL MACHINERY MFR

Agricultural water floating type raking machine

The utility model relates to the technical field of agricultural equipment, and discloses an agricultural water floating type harrow cultivator which is characterized in that a tractor is connected with a rack, the rack is connected to the top of a lifting device, and the lifting device is flexibly connected to a suspension harrow through a flexible connecting piece. The tilling depth of the suspension harrow is prevented from being influenced by bumping of a tractor, so that the tilling depth is consistent, the harrow leakage condition is reduced, and the operation quality and efficiency are improved; the rotary lifting mechanism is rotationally arranged and connected to the top of the lifting support, the rotary lifting hydraulic assembly is arranged above the lifting support and connected with the rotary turning rake, the rotary turning rake is folded around the suspension rake through work of the rotary lifting hydraulic assembly, the situation that a tractor head of the tractor is upwarped due to the fact that the rotary turning rake and the suspension rake are too long is prevented, and the space utilization rate is increased; and meanwhile, the potential damage risk to the surrounding environment and other equipment in the transportation process is reduced.
Owner:FENGKAI COUNTY LONGZE AGRI TECH CO LTD

Front-folding toolbar

An agricultural implement configured to be propelled by a prime mover. The implement comprises a toolbar configured to support a plurality of agricultural tools. The toolbar is a front-folding toolbar configured to be shifted forward from an operational position to a transport position. The implement further comprises a draw-bar extending forward from the toolbar and configured to be coupled with the prime mover. The draw-bar is rotatably connected with the toolbar via a connection assembly that presents a generally laterally extending rotational axis, such that the draw-bar is configured to rotate vertically about the rotational axis.
Owner:AGSYNERGY LLC

Towed agricultural machine and method for shifting the weight of an agricultural machine

The invention relates to a towed agricultural working machine (10) for tilling the soil and / or for spreading agricultural material, comprising a frame structure (16) which has a pulling device (18) on a front side and a chassis (20) on a rear side, wherein the pulling device (18) is configured to absorb an operating tractive force (FZ) of a tractor in the direction of travel (VR) and / or to transfer an operating support load (FS) of the working machine (10) to the tractor, wherein the chassis (20) has at least two support devices (22) which are provided for transferring an operating wheel load (FR) of the working machine (10) to the ground, and wherein a coupling device (24) is arranged on the frame structure (16) on the rear side, on which coupling device a soil tilling and / or sowing device (12; 14) having a support frame (26) is received.To optimise the weight distribution, the working machine (10) is characterised by a support wheel device (40) arranged at the rear of the soil tillage and / or sowing device (12; 14). The invention also relates to a method for shifting weight on a towed agricultural working machine (10).
Owner:HORSCH MASCHINEN SE & CO KG

Ground following harrow

A harrow apparatus comprising an implement frame and a harrow section attached to a mounting assembly extending rearward from the implement frame such that the harrow section engages the ground surface. The mounting assembly is movable upward and downward to move the harrow section down and up. The mounting assembly comprises a beam extending rearward above the harrow frame, and front and rear arms pivotally attached at upper ends thereof to corresponding front and rear beam pivot axes located on the beam. The front arm slopes downward and rearward to a lower end thereof that is pivotally attached to the harrow frame at a front frame pivot axis, and the rear arm slopes downward and forward to a lower end thereof that is pivotally attached to the harrow frame at a rear frame pivot axis located rearward of the front frame pivot axis.
Owner:SCHULTE INDS

Rail system

PendingJP2025103432AAgricultural machinesHarrows
To enable an agricultural tool to also move in a direction crossing guide members such as rails.SOLUTION: A rail system comprises: a pair of fixed rails positioned between a ground surface and a plurality of solar cell panels installed in a farm field; a moving beam having both end parts self-traveling along the pair of fixed rails; and a slider self-traveling along the moving beam.SELECTED DRAWING: Figure 1
Owner:KUBOTA CORP

Work machine control systems to monitor ground engagement tools and map obstacles

Work machines, control systems for work machines, and methods of operating work machines. A work machine includes a frame structure, a work implement, and a control system. The work implement is coupled to the frame structure and includes at least one ground engagement tool that is configured for movement in response to interaction with an underlying surface in use of the use work machine. The control system is coupled to the frame structure and includes a sensor mounted to the at least one ground engagement tool and a controller communicatively coupled to the sensor.
Owner:DEERE & CO

Two row agricultural planting implement having a lift and downforce actuator

An agricultural planting implement includes a first wing toolbar configured to support a first set of row units and a second wing toolbar configured to support a second set of row units. The agricultural planting implement also includes a connection assembly having at least one arm pivotally coupling the second wing toolbar to the first wing toolbar. The at least one arm is pivotally coupled to the first wing toolbar and non-pivotally coupled to the second wing toolbar. In addition, the connection assembly includes an actuator configured to drive the second wing toolbar to rotate upwardly relative to the first wing toolbar from a working position to a transport position. The actuator is also configured to urge the second wing toolbar downwardly toward a soil surface while the second wing toolbar is in the working position.
Owner:CNH INDUSTRIAL AMERICA LLC

Agricultural Implements and Related Methods and Systems

An agricultural implement includes a frame including a center frame section, an intermediate frame section, and a wing frame section. A first actuator is configured to rotate the intermediate frame section relative to the center frame section and a second actuator is configured to rotate the wing frame section relative to the intermediate frame section. A first sensor is configured to sense a position of the intermediate frame section relative to the center frame section, and a second sensor is configured to sense a position of the wing frame section relative to the intermediate frame section. A control system is configured to independently control the first actuator and the second actuator to travel by a different percentage of a total displacement based on the sensed positions of the intermediate frame section and the wing frame section. Related methods and control systems are also disclosed.
Owner:AGCO CORP

Intelligent concentrated supply fertilization and soil preparation machine and use method thereof

The invention relates to the technical field of soil preparation and fertilization agricultural machinery, in particular to an intelligent centralized supply fertilization soil preparation machine and a using method.The intelligent centralized supply fertilization soil preparation machine comprises a fertilizer box, the fertilizer box is provided with a fertilization assembly, and the fertilization assembly comprises a fertilizer distribution amount adjusting mechanism and a centralized air conveying mechanism; the fertilizer distribution amount adjusting mechanism is used for adjusting the fertilizer output from the fertilizer box, and the centralized air conveying mechanism is used for conveying the fertilizer subjected to fertilizer distribution; the stubble cleaning and soil crushing assembly is used for crushing obstacles in front of the advancing direction; the soil loosening and fertilizing assembly comprises a shallow loosening and fertilizing mechanism and a deep loosening and fertilizing mechanism; the vibration anti-blocking assembly comprises a vibration energy conversion mechanism and a high-frequency vibration mechanism; the backfilling assembly comprises a soil moisture filling mechanism and a pressing mechanism; the system has the advantages of being intelligent, multifunctional and high in reliability, and the comprehensive efficiency and quality of fertilization and soil preparation work are effectively improved.
Owner:HEILONGJIANG PROV AGRI MACHINERY ENG SCI INST

Active profiling adjustment supporting type paddy field accurate land leveler and land leveling method

ActiveCN119866688ASpadesAgricultural machines
The invention discloses an active profiling adjustment supporting type paddy field precise land leveler and a land leveling method. The land leveler comprises a rack, an active profiling adjustment supporting mechanism, a land leveling mechanism, a land leveling shovel height and horizontal joint adjusting mechanism and a control system. The rack is connected with a tractor through a three-point suspension device; the active profiling adjusting and supporting mechanism is installed on the machine frame, and the land leveling mechanism is connected with the machine frame through the land leveling shovel height and horizontal joint adjusting mechanism. The active profiling adjusting and supporting mechanism comprises a hanging frame, a parallel four-bar linkage, a supporting foot stool, a telescopic driving mechanism and a force sensor, and the force sensor measures the loading force of the active profiling adjusting and supporting mechanism for supporting the land leveler on a hard bottom layer of a paddy field in real time; the control system controls the telescopic driving mechanism to stretch out and draw back according to load force changes, fluctuation of levelness and elevation of the land leveler due to terrains is reduced, and the dip angle and elevation change amplitude and frequency of a land leveling shovel of the land leveling mechanism are reduced. The paddy field leveling machine overcomes paddy field leveling operation in various complex hard bottom layer environments, guarantees the leveling effect and belongs to the technical field of paddy field leveling machines and tools.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Rear folding agricultural implement and related systems and methods

In one aspect, a rear folding agricultural implement allows for first and second wing sections of a toolbar assembly to be folded relative to a central toolbar section of the toolbar assembly via independently actuatable wing roll sections coupled between the central toolbar section and the respective wing sections.
Owner:CNH INDUSTRIAL AMERICA LLC

Feeding, chopping, overhauling and posture adjusting device and silage harvester

The invention discloses a feeding, chopping and overhauling posture adjusting device and a silage harvester. Comprising a mounting rack, tire assemblies arranged on the mounting rack, a chopping assembly rotationally arranged on the mounting rack and located between the tire assemblies, and a lifting assembly hinged to the mounting rack and the chopping assembly. The pushing assembly is hinged to the first side portion of the upper end of the chopping assembly and the first side portion of the upper end of the feeding assembly, and the first sliding assembly is arranged on the first side portion of the lower end of the chopping assembly and hinged to the first side portion of the lower end of the feeding assembly. The feeding assembly and the chopping assembly are adjusted to be in the optimal maintenance posture, so that rapid maintenance is achieved, only the maintenance posture needs to be adjusted during maintenance, maintenance operation is simple, the maintenance time is shortened, the maintenance efficiency is improved, and the maintenance cost is reduced. And sufficient maintenance space is ensured, the maintenance efficiency is high, and the maintenance time is short.
Owner:RAILWAY CONSTR HEAVY IND XINJIANG CO LTD +1

Strip tillage implement with a roll lock assembly

A strip tillage implement includes a toolbar frame and a hitch frame rotatably coupled together. Additionally, the implement includes a roll lock assembly alterable between a locked and unlocked configuration. The roll lock assembly includes a locking bar rotatably coupled to the toolbar frame. Furthermore, the roll lock assembly includes a locking fastener configured to be selectively installed relative to the locking bar and the hitch frame. When the roll lock assembly is in the locked configuration, the locking fastener is inserted through both the hitch frame and the locking bar to couple the locking bar to the hitch frame in a manner that limits relative rotation of the toolbar frame and the hitch frame. Additionally, when the roll lock assembly is in the unlocked configuration, the locking bar is movable relative to the portion of the hitch frame with relative rotation between the toolbar frame and the hitch frame.
Owner:CNH INDUSTRIAL AMERICA LLC

Pick-up attachment for a harvesting machine

A pick-up attachment for a harvesting machine preferably for a field chopper, particularly preferably for a self-propelled field chopper, includes a pick-up rotor having pick-up tools for picking crop up from the ground, at least one guide element that rests on the ground, which element takes on the guidance of the pick-up rotor and guides it relative to the ground, and a machine frame that is connected to the pick-up rotor. The pick-up rotor is composed of multiple segments connected to one another at least partially in an articulated manner, for adaptation to the contours of the ground. At least one guidance system movably connects the pick-up rotor, in particular a segment of the pick-up rotor, to the machine frame of the pick-up attachment.
Owner:CARL GERINGHOFF GMBH & CO KG

System and Method for Detecting Disk Plugging on a Tillage Implement

ActiveUS20250204301A1SpadesAgricultural machines
A system for detecting disk plugging on a tillage implement includes a main implement frame and a disk frame supported by the main implement frame. Furthermore, the system includes a plurality of disks supported by the disk frame. Each disk is configured to rotate relative to the soil of the field. Additionally, the system includes a load sensor configured to generate data indicative of a draft load being applied to the disk frame by the plurality of disks as the implement traverses the field. Moreover, the system includes a computing system communicatively coupled to the load sensor and configured to determine a twisting parameter of the disk frame about the main implement frame based on the data generated by the load sensor. Additionally, the computing system is configured to determine when one or more disks are plugged based on the determined twisting parameter.
Owner:CNH INDUSTRIAL AMERICA LLC

A rotatable frame for agricultural machinery

The present invention belongs to the technical field of agricultural machinery, and specifically relates to a rotatable frame for agricultural machinery, including a lower walking frame, an upper working frame, a lifting structure and a rotating structure; the lower walking frame serves as a supporting structure of the rotatable frame, and its front end is connected to a traction device; the upper working frame is connected to the lifting structure, and the upper working frame is used to carry parts of the agricultural machinery; the rotating structure is arranged on the lower walking frame; the lifting structure is vertically fixed on the rotating structure; the rotating structure drives the lifting structure to rotate and then drives the upper working frame to rotate. The rotatable frame of the present invention can make the upper working frame rotate 90 degrees by lifting and rotating, so as to quickly switch between the transport state and the working state, effectively solve the problem of excessive width of agricultural machinery during transportation, improve the transportation and work efficiency of agricultural machinery, and also reduce the occupation of roads and bridges, which is beneficial to traffic safety.
Owner:JILIN KANGDA AGRI MACHINERY

Agricultural toolbar

PendingUS20250089595A1Agricultural machinesHarrows
A dual frame agricultural toolbar includes a lower front primary frame tube and an upper, rear truss frame tube. The front lower frame tube is adapted to support row units and other ground working tools, without interference from the upper rear frame tube. With the primary frame tube in front of the secondary frame tube, the row units and tools are located closer to the tractor, thereby minimizing power requirements for lifting the toolbar.
Owner:HARVEST INTERNATIONAL INC