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Flail Mower Gearbox

Our flail mower drives are equipped with a high-performance flail mower gearbox that is connected to the drive shaft and provides the top drive for the flail mower unit. Our systems are configurable and powerful enough to provide our customers with a customizable, high-quality product.

Flail Mower Gearbox

Our flail mower drives are equipped with a high-performance flail mower gearbox that is connected to the drive shaft and provides the top drive for the flail mower unit. Our systems are configurable and powerful enough to provide our customers with a customizable, high-quality product.

Parameters of Flail Mower Gearbox




Service the Flail Mower Gearbox

A flail mower is a type of riding lawn mower that utilizes a rotating flail shaft assembly to cut grass. The flails are attached to the flail shaft by bolts and rotate in unison. These flails are powered by a series of belts and pulleys that are connected to a flail mower gearbox. The flail mower gearbox is connected to the tractor via a PTO shaft.
To service the flail mower gearbox, start by checking the oil level in the flail mower's oil pan. Then, pump in at least 6 shots of grease into the rotor bearings, which are located under the V Belt Guard cover and the rear roller. You may also find a spring attached to the V Belt Snubber. Also, you should remove the drive covers and clean the engine, as well as replace any worn components.
Grease and hydraulic oil must be completely cool before working on the flail shaft assembly. Wear appropriate PPE when working on the hydraulic system.

Flail Mower Gearbox Oil

The first step in lubricating your flail mower is changing the gearbox oil. The oil bath type of lubricant is commonly found on the "float" joint near the attachment point. You should change the oil in this unit at least once a year. The blade drive pins also need grease every 20 hours of use. A flail mower gearbox may be made of a variety of materials, so it is important to know the correct type for your machine.

PTO Shaft for Flail Mower Gearbox

Agricultural equipment includes a variety of PTO shafts. Each one is connected by yokes at each end and rotates between 540 and 1,000 rpm. A safety shield is commonly installed on both ends of a PTO shaft to protect the operator. These protective shields are also found in tractors and agricultural implements, and they ensure maximum efficiency. Added safety is also provided by the use of internal yokes.

The flail mower gearbox is designed to change the output speed of a PTO drive shaft. It can be used as a decreasing or increasing ratio gearbox. With the decrease ratio gearbox, it reduces the PTO shaft's speed from 1000 rpm to 540 rpm, allowing you to use equipment designed for 540 rpm. On the other hand, an increasing ratio gearbox increases the speed of the PTO shaft from 540 rpm to 1000 rpm.

PTO Shaft and Gearbox

How to Replace the Gearbox of the Flail Mower?

Before using the flail mower transmission, it is important to check the oil level and pump in the grease six times. The rotor bearings are located under the vented V-belt guards and the tensioner arm bushings. There may be a spring tensioning the V-belt buffer, depending on the model. Flanged bearings support the cross shaft with grease seals on the inside of the bearing flanges.

1. Safety Precautions when Using Flail Mowers

Agricultural Gearbox For Flail MowerWhen servicing or maintaining your flail mower, it's essential to follow simple safety precautions to ensure the equipment continues to function as safely as possible. For starters, make sure you are using a flail mower with proper manuals and are aware of the risks associated with using a flail mower. Also, make certain any power tools you use are in good condition and that you have the correct protective clothing for the task. During this task, you should wear gloves and safety boots.



2. Adjusting the Length of the Flail Mower Gearbox

Agricultural Gearbox For Flail Mower

The first step in adjusting the length of the flail mower gear is to remove the two balance weights. This prevents excessive wear on the shaft bearings and can cause fatigue cracks in the flail mower housing. If the flail is out of balance, you should check to ensure the quick-release coupling is not retracted, and there is no pressure inside the system. If there is any oil or grease in the system, the hydraulic fitting must be removed and replaced with a new one.



3. Checking the Flail Mower Gearbox

Agricultural Gearbox For Flail MowerIf you have a flail lawn mower, you should check a few things before servicing. Make sure to pump enough oil into the transmission. You will also need to check the rotor bearings located under the V-belt guards, tensioner arm bushings, and vented V-belt guards. In addition to this, there is a flange bearing to support the cross shaft and a seal on the inside to hold the grease.


4. Install Flail Mowers

Agricultural Gearbox For Flail MowerBefore installing a flail mower gearbox, you should know what to look for. The gearbox is located in the machine's center, allowing it to spin freely and stop when necessary. Flail mowers come in various amounts, and it's not difficult to install. To find the proper method for your machine, consider the following tips. These can make gearbox installation easier or more difficult. Listed below are some tips for installing a flail mower gearbox.


5. Replacing the PTO shaft

Agricultural Gearbox For Flail MowerIn many cases, the PTO shaft on a flail mower can be changed to accommodate different blades. Fortunately, this task can be accomplished by an experienced operator. While you can replace the shaft on your flail mower by following the manufacturer's instructions, it's best to consult the manual to make sure your flail mower is equipped with the correct PTO shaft. In addition to changing inserts, check for spline wear and other problems.



Other Agricultural Gearboxes

We have been manufacturing top-quality gear drives for agricultural applications. The engineers are equipped to design custom gear drives that meet your unique requirements. With this broad line of agricultural gear drives, they can satisfy any application. And since custom gearboxes can be designed to suit your unique application, we have the expertise to cover all aspects of production. We offer a full range of agricultural PTO gearboxes and other agricultural solutions.

Other Agricultural Gearbox


Edited by Zqq.

pruduct quality report

Materials Available

1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
product materials available

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
product finishing

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Eight reasons to choose us:


1. Perfect service system and after-sale protection.
2. Quality problems will be solved within 24hours.
3. One-to-one customer service tracking processing.
4. Companies carry out the ERP management, improve enterprise fast response.
5. Quality assurance, one year warranty.
6. Supporting professional matched other equipments.
7. The company has more than one product testing units, the implementation of ISO9001: 2015.
8. Unique development and design capabilities to meet the needs of special-purpose equipment manufacturing.


Five Core strengths:


1. The first domestic independent R & D manufacturer and 22 years of professional manufacturing.
2. Casting exquisite, beautiful, practical and durable.
3. Complete specifications, cost-effective and spot supply.
4. Independent research and development, special specifications can be customized.
5. Selected materials, high-tech treatment, up to the international standard test.

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.