Series	540 tr./min			1000 tr./min			MP(NM)
	Kw	Pk	Nm	Kw	Pk	Nm
S6	47	64	830	74	100	710	1450
S7	55	75	970	87	118	830	1800
S8	70	95	1240	110	150	150	2250
S38	78	105	1380	123	166	166	2500
S32	39	53	695	61	83	83	1200
S36	66	90	1175	102	139	139	2000
S9	88	120	1560	140	190	190	2800
S10	106	145	1905	170	230	230	3500
S42	79	107	1400	122	166	166	2500
S48	133	180	2390	205	277	277	4200
S50	119	162	2095	182	248	248	3700

S Series PTO Shaft Star Tube S6 S7 S8 S38 S32 S36 S9 S10 S42 S48 S50

The PTO shaft plays a vital role in transmitting power from the tractor to the connected implements. Parts of the PTO shaft include internal and external PTO yokes, universal joints, safety chains and safety guards. There are several different types of PTO shafts available, so you must choose the right PTO shaft for your equipment and application.

Each style includes a range of options, including bearing diameter, total cover to cover length, and snap ring options. The most accurate way to determine the correct series is to measure the outer diameter of the bearing cap and universal joint from 1 end of the cap to the other. The location of the snap ring is another determinant.

Part of PTO Shaft

Internal Yoke– There are 2, located at both ends of the PTO shaft -tractor and implement. This is welded to the drive end.
Universal Joint– There are 2 PTO u joint, located at both ends of the PTO shaft.
External Yoke– There are 2, located at both ends of the PTO shaft. It has a “Y” shape to connect to the U-joint and a female hole.
Safety Chains– The chains are used to secure the PTO shaft CZPT the equipment and CZPT the tractor.
Safety Shield– These cones are found on both ends.

 

Star Tube

Maintenance Of PTO shaft

Different applications require different maintenance schedules. The more abusive the environment, the more critical a new shot of grease can be. Steep drivelines will produce heat, thus degrading the lubricant more rapidly than a “flat” shaft will. Thrust also produces heat as well as forces that are contrary to torque. Inconsistent torque loads are harder on component parts than consistent 1s.

By observing and inspecting your PTO shaft on a regular basis, not only will you develop a “feel” for your maintenance needs, but you will most likely have a safer application too.

Frequent lubrication is required. Grease the driveline shaft parts at hourly intervals as indicated on the drawing left.

The same assembly method is used for both types of safety shields.

How to measure the parts of the PTO shaft

Measuring the parts of the shaft correctly is essential for selecting the correct PTO series dimensions. Each product needs to be measured in a specific way to be consistent with the standard size. Follow these steps to ensure that the correct measurements are obtained and to order the parts required for the tractor.

1. Measuring axis
To measure the shaft, first make sure that the shaft is in the closed position, at which time the shaft is the smallest. Use a tape measure to record the length of the outside of each yoke. This measurement is the closing length. Use this measurement to find the correct series size for the tractor horsepower. Make sure you also know if there are shear pins, clutches, or splined implement ends.

2. Measure the universal joint
When measuring the universal joint, measure the length from 1 end to the other. You also need to record the width of 1 end of the universal joint. Use these numbers to find the correct size of the universal joint.

3. Put them together
You need to make the above 2 measurements in order to find the PTO shaft parts suitable for your tractor and work normally. You can use the PTO yoke size chart to get the correct size or use our convenient PTO series discovery tool.

PTO Shaft and Agriculture Gearbox

A PTO shaft is an integral part of an agriculture gearbox, and failure to maintain it properly can severely damage the PTO mechanism. PTO shafts are crucial for maintaining the performance of the agricultural implement, as they are responsible for connecting the transmission to the implementation. To avoid problems with vibration, a good PTO shaft should resist torsion and shear stress. We offer a variety of durable PTO shafts to meet all your requirements. Agriculture gearboxes are also available.

What is a drive shaft?

If you notice a clicking noise while driving, it is most likely the driveshaft. An experienced auto mechanic will be able to tell you if the noise is coming from both sides or from 1 side. If it only happens on 1 side, you should check it. If you notice noise on both sides, you should contact a mechanic. In either case, a replacement driveshaft should be easy to find.

The drive shaft is a mechanical part

A driveshaft is a mechanical device that transmits rotation and torque from the engine to the wheels of the vehicle. This component is essential to the operation of any driveline, as the mechanical power from the engine is transmitted to the PTO (power take-off) shaft, which hydraulically transmits that power to connected equipment. Different drive shafts contain different combinations of joints to compensate for changes in shaft length and angle. Some types of drive shafts include connecting shafts, internal constant velocity joints, and external fixed joints. They also contain anti-lock system rings and torsional dampers to prevent overloading the axle or causing the wheels to lock.
Although driveshafts are relatively light, they need to handle a lot of torque. Torque applied to the drive shaft produces torsional and shear stresses. Because they have to withstand torque, these shafts are designed to be lightweight and have little inertia or weight. Therefore, they usually have a joint, coupling or rod between the 2 parts. Components can also be bent to accommodate changes in the distance between them.
The drive shaft can be made from a variety of materials. The most common material for these components is steel, although alloy steels are often used for high-strength applications. Alloy steel, chromium or vanadium are other materials that can be used. The type of material used depends on the application and size of the component. In many cases, metal driveshafts are the most durable and cheapest option. Plastic shafts are used for light duty applications and have different torque levels than metal shafts.

It transfers power from the engine to the wheels

A car’s powertrain consists of an electric motor, transmission, and differential. Each section performs a specific job. In a rear-wheel drive vehicle, the power generated by the engine is transmitted to the rear tires. This arrangement improves braking and handling. The differential controls how much power each wheel receives. The torque of the engine is transferred to the wheels according to its speed.
The transmission transfers power from the engine to the wheels. It is also called “transgender”. Its job is to ensure power is delivered to the wheels. Electric cars cannot drive themselves and require a gearbox to drive forward. It also controls how much power reaches the wheels at any given moment. The transmission is the last part of the power transmission chain. Despite its many names, the transmission is the most complex component of a car’s powertrain.
The driveshaft is a long steel tube that transmits mechanical power from the transmission to the wheels. Cardan joints connect to the drive shaft and provide flexible pivot points. The differential assembly is mounted on the drive shaft, allowing the wheels to turn at different speeds. The differential allows the wheels to turn at different speeds and is very important when cornering. Axles are also important to the performance of the car.

It has a rubber boot that protects it from dust and moisture

To keep this boot in good condition, you should clean it with cold water and a rag. Never place it in the dryer or in direct sunlight. Heat can deteriorate the rubber and cause it to shrink or crack. To prolong the life of your rubber boots, apply rubber conditioner to them regularly. Indigenous peoples in the Amazon region collect latex sap from the bark of rubber trees. Then they put their feet on the fire to solidify the sap.

it has a U-shaped connector

The drive shaft has a U-joint that transfers rotational energy from the engine to the axle. Defective gimbal joints can cause vibrations when the vehicle is in motion. This vibration is often mistaken for a wheel balance problem. Wheel balance problems can cause the vehicle to vibrate while driving, while a U-joint failure can cause the vehicle to vibrate when decelerating and accelerating, and stop when the vehicle is stopped.
The drive shaft is connected to the transmission and differential using a U-joint. It allows for small changes in position between the 2 components. This prevents the differential and transmission from remaining perfectly aligned. The U-joint also allows the drive shaft to be connected unconstrained, allowing the vehicle to move. Its main purpose is to transmit electricity. Of all types of elastic couplings, U-joints are the oldest.
Your vehicle’s U-joints should be inspected at least twice a year, and the joints should be greased. When checking the U-joint, you should hear a dull sound when changing gears. A clicking sound indicates insufficient grease in the bearing. If you hear or feel vibrations when shifting gears, you may need to service the bearings to prolong their life.

it has a slide-in tube

The telescopic design is a modern alternative to traditional driveshaft designs. This innovative design is based on an unconventional design philosophy that combines advances in material science and manufacturing processes. Therefore, they are more efficient and lighter than conventional designs. Slide-in tubes are a simple and efficient design solution for any vehicle application. Here are some of its benefits. Read on to learn why this type of shaft is ideal for many applications.
The telescopic drive shaft is an important part of the traditional automobile transmission system. These driveshafts allow linear motion of the 2 components, transmitting torque and rotation throughout the vehicle’s driveline. They also absorb energy if the vehicle collides. Often referred to as foldable driveshafts, their popularity is directly dependent on the evolution of the automotive industry.

It uses a bearing press to replace worn or damaged U-joints

A bearing press is a device that uses a rotary press mechanism to install or remove worn or damaged U-joints from a drive shaft. With this tool, you can replace worn or damaged U-joints in your car with relative ease. The first step involves placing the drive shaft in the vise. Then, use the 11/16″ socket to press the other cup in far enough to install the clips. If the cups don’t fit, you can use a bearing press to remove them and repeat the process. After removing the U-joint, use a grease nipple Make sure the new grease nipple is installed correctly.
Worn or damaged U-joints are a major source of driveshaft failure. If 1 of them were damaged or damaged, the entire driveshaft could dislocate and the car would lose power. Unless you have a professional mechanic doing the repairs, you will have to replace the entire driveshaft. Fortunately, there are many ways to do this yourself.
If any of these warning signs appear on your vehicle, you should consider replacing the damaged or worn U-joint. Common symptoms of damaged U-joints include rattling or periodic squeaking when moving, rattling when shifting, wobbling when turning, or rusted oil seals. If you notice any of these symptoms, take your vehicle to a qualified mechanic for a full inspection. Neglecting to replace a worn or damaged u-joint on the driveshaft can result in expensive and dangerous repairs and can cause significant damage to your vehicle.