Product Description

Product Description

Model: GFR Series
Ratio: 5-28
Output Torque: N.m

 

HYDRAULIC GFT is an ideal driving component for wheel or track driving vehicles, and other moving equipment and widely applied in excavator, speading machine, drill machine, mobile crusher, engineering machiner, mining, tunnel machiner, agricultural machiner,etc. It is an ideal replacement of CHINAMFG products. 

400 series hydraulic transmission can endure the large outside radial and axial forces. It features for high torque, high starting efficiency, low speed stability and low noisy operating. Thus it is widely used in construction machinery, railway, ship, petroleum, mining and metallurgy equipments.
 

Features:
1. One-or two-stage planetary gearboxes, smooth operation and reasonable structure.
2. Small volume, compact structure and high transmission efficiency.
3. Radial piston hydraulic motor with long life operating.
4. Mounting dimension is available on request.
5. Brake, balance valve, shuttle valve and the distributor which can integrate all kinds of function valve are also available on request.

Product Specification

Model Total displacement 
(ml/r)
Rated torque Speed
(rpm)
Total Efficiency Hydraulic Motor Planetary
Gearbox
Brake
20MPa
GFR2.5-850 830 2350 0-100 0.88-0.9 GM05-170 C2.5-5 Z2.5
GFR2.5-950 955 2706 0-100 0.88-0.9 GM05-200 C2.5-5 Z2.5
GFR2.5-1050 1050.5 2976 0-100 0.88-0.9 GM05-200 C2.5-5.5 Z2.5
GFR3-1450 1450 4571 0-90 0.88-0.9 GM1-300 C3-5 Z3
GFT3-1700 1735 4823 0-90 0.88-0.9 GM2-350 C3-5 Z3
GFR3-1900 1908 5306 0-80 0.88-0.9 GM2-350 C3-5.5 Z3
GFR3-2300 2338 6492 0-75 0.88-0.9 GM2-420 C3-5.5 Z3
GFR4-3000 2975 8398 0-80 0.9-0.91 GM3-600 C4-5 Z4
GFR4-4000 3960 11222 0-80 0.9-0.91 GM3-800 C4-5 Z4
GFR4-4400 4356 12344 0-70 0.9-0.91 GM3-800 C4-5.5 Z4
GFR5-5700 5714 16056 0-65 0.9-0.91 GM5-1000 C5-5.5 Z5
GFR5-6700 6700 18915 0-70 0.9-0.91 GM5-1300 C5-5 Z5
GFR5-8150 8170 22987 0-70 0.9-0.91 GM5-1600 C5-5 Z5
GFR5-9000 9080 25612 0-70 0.9-0.91 GM5-1800 C5-5 Z5
GFR5-11000 11039 31159 0-50 0.9-0.91 GM5-2000 C5-5.5 Z5
GFR6-12500 12565 35476 0-40 0.9-0.91 GM6-2500 C6-5 Z6
GFR6-15200 15205 42987 0-40 0.9-0.91 GM6-3000 C6-5 Z6
GFR6-16500 16725 47286 0-30 0.9-0.91 GM6-3000 C6-5.5 Z6
GFR6-20000 19860 57141 0-30 0.9-0.91 GM6-3600 C6-5.5 Z6
GFR7-21500 21490 61902 0-35 0.9-0.91 GM7-4300 C7-5 Z7
GFR7-23650 23639 68092 0-30 0.9-0.91 GM7-4300 C7-5.5 Z7
GFR9-33000 33180 92928 0-15 0.9-0.91 GM9-6600 C9-5.0 Z9
GFR9-38500 38480 107800 0-15 0.9-0.91 GM9-7700 C9-5.0 Z9
GFR9-48400 48598 / 0-15 0.9-0.91 GM9-8800 C9-5.5 Z9
GFR9-66000 66143 / 0-15 0.9-0.91 GM9-12000 C9-5.5 Z9
 

Application: Machinery, Agricultural Machinery
Function: Speed Changing, Speed Reduction
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Torque Arm Type
Step: Three-Step
Customization:
Available

|

Customized Request

agricultural gearbox

Impact of Gear Ratios on Machinery Performance in Agricultural Gearboxes

The gear ratio in agricultural gearboxes plays a crucial role in determining the performance of machinery. It directly affects the relationship between the input and output speeds and torques. Here’s how gear ratios influence machinery performance:

  • Speed and Torque Conversion: Gear ratios allow for the conversion of speed and torque between the input and output shafts. Higher gear ratios can reduce output speed while increasing output torque, making it suitable for tasks requiring high power.
  • Power and Efficiency: Gear ratios affect the efficiency of power transmission. While reducing the speed through higher gear ratios can increase torque, it’s essential to strike a balance to maintain efficiency. Lower efficiency can lead to energy loss and increased heat generation.
  • Task Adaptability: Different agricultural tasks require varying levels of torque and speed. Gear ratios enable machinery to be adaptable to different tasks by providing the necessary torque for heavy-duty activities like plowing or tilling and higher speeds for tasks like transport.
  • Optimal Performance: Selecting the appropriate gear ratio ensures that machinery operates within its optimal performance range. It prevents overloading the engine or the gearbox, contributing to smoother operation and reduced wear and tear.
  • Productivity and Fuel Efficiency: Proper gear ratios can enhance the overall productivity of agricultural machinery. By optimizing torque and speed, tasks can be completed efficiently, reducing the time and fuel consumption required for operations.
  • Consideration of Terrain: Different terrains and field conditions require adjustments in gear ratios. Steep slopes or heavy soil may necessitate lower gear ratios for increased torque, while flat terrain could benefit from higher ratios for faster operation.
  • Impact on Components: Gear ratios can influence the load distribution on gearbox components. Higher gear ratios might subject components to increased forces and stresses, potentially affecting their lifespan.
  • Operator Comfort: Proper gear ratios contribute to operator comfort by providing the necessary power for smooth operation without straining the machinery. This can lead to reduced operator fatigue and improved safety.
  • Customization: Some modern agricultural equipment offers adjustable or variable gear ratios, allowing operators to fine-tune machinery performance based on specific tasks and conditions.

Choosing the right gear ratio for agricultural gearboxes involves considering factors such as the intended task, soil conditions, and equipment specifications. It’s essential to strike a balance between torque and speed to achieve optimal machinery performance and maximize productivity.

agricultural gearbox

Potential Challenges in Maintenance and Repairs of Agricultural Gearboxes

Maintenance and repairs of gearboxes in agriculture can pose several challenges:

  • Harsh Environments: Agricultural machinery operates in challenging environments with exposure to dirt, debris, moisture, and varying temperatures. These conditions can accelerate wear and corrosion, necessitating frequent maintenance.
  • Heavy Workloads: Gearboxes in farming equipment often handle heavy workloads, leading to increased stress on components. This can result in faster wear and tear, requiring more frequent inspections and part replacements.
  • Accessibility: Some gearboxes are located in hard-to-reach areas of machinery. This makes regular maintenance and repairs more challenging, as technicians may need specialized tools and equipment to access and service the gearboxes.
  • Specialized Knowledge: Proper maintenance of agricultural gearboxes requires specialized knowledge and skills. Inadequate understanding of gearbox mechanics and maintenance practices can lead to improper repairs, reducing the gearbox’s lifespan and efficiency.
  • Costs: Repairing or replacing gearbox components can be costly, especially for heavy-duty agricultural machinery. Farmers need to consider both the direct costs of parts and labor, as well as potential downtime during repair processes.
  • Downtime: The downtime required for gearbox maintenance or repairs can impact farming operations, especially during critical planting or harvesting seasons. Efficient scheduling and backup equipment can help mitigate this challenge.
  • Availability of Parts: Obtaining replacement parts for older or less common gearbox models can be challenging. Farmers may need to source parts from specialized suppliers, leading to potential delays in repairs.

Addressing these challenges requires proactive maintenance planning, regular inspections, proper training of maintenance personnel, and sourcing spare parts in advance.

agricultural gearbox

Types of Agricultural Gearboxes for Specific Tasks

Various types of agricultural gearboxes are designed to cater to specific tasks and applications in farming. These gearboxes are engineered to meet the unique requirements of different agricultural machinery and operations. Some common types of agricultural gearboxes include:

  • Rotary Mower Gearboxes: These gearboxes are used in rotary mowers and cutters. They transmit power from the tractor’s power take-off (PTO) to the blades, enabling efficient cutting of grass, crops, and vegetation.
  • Manure Spreader Gearboxes: Manure spreaders utilize specialized gearboxes to distribute manure evenly across fields. These gearboxes ensure consistent spreading of fertilizer while accommodating variable loads.
  • Harvesting Gearboxes: Gearboxes used in harvesting equipment, such as combines and harvesters, enable efficient gathering, threshing, and separating of crops from their stalks. These gearboxes handle high loads and varying operating conditions.
  • Seed Drill Gearboxes: Seed drills require gearboxes to distribute seeds accurately and at consistent intervals. These gearboxes ensure precise seed placement for optimal germination and crop growth.
  • Hay Rake Gearboxes: Hay rakes utilize gearboxes to gather and arrange hay into windrows for baling. These gearboxes help optimize the hay collection process.
  • Irrigation System Gearboxes: Agricultural irrigation systems may use gearboxes to control the movement and positioning of irrigation equipment, ensuring efficient water distribution across fields.
  • Tillage Equipment Gearboxes: Gearboxes used in tillage equipment, such as plows and cultivators, help break up soil, prepare seedbeds, and promote seedling emergence.
  • Tractor Gearboxes: Tractors may incorporate various gearboxes for tasks such as shifting gears, driving the power take-off, and operating attachments.
  • Grain Auger Gearboxes: Grain augers use gearboxes to facilitate the movement of harvested grain from one location to another, such as from a combine to a storage bin.

Each type of agricultural gearbox is designed with specific features, load capacities, and durability to suit the demands of its intended task. Manufacturers engineer these gearboxes to withstand the challenging conditions of agricultural operations while ensuring efficient and reliable performance.

China Standard Gfr Series 4-4000 Planetary Gearbox   car gearbox	China Standard Gfr Series 4-4000 Planetary Gearbox   car gearbox
editor by CX 2023-12-12