6 Series PTO Shaft – Replacement of Bondioli & Pavesi PTO Shaft

6 Series PTO Shaft - Replacement of Bondioli & Pavesi PTO Shaft

A 6 Series PTO (Power Take-Off) shaft is a type of mechanical shaft that is used to transfer power from a tractor or other power source to a connected implement or attachment. The "6 Series" designation refers to the standardized size and specifications of the shaft, including its diameter, length, and spline profile. 6 Series PTO shafts are commonly used in agricultural applications, such as to power a rotary cutter or hay baler. They typically consist of two shafts, one which connects to the power source and another which connects to the implement, and a telescoping sleeve that allows the shaft to adjust in length as needed.

It is important to ensure that the 6 Series PTO shaft being used is compatible with both the tractor and the implement being used and that it is properly maintained and safely operated. Failure to do so can result in serious injury or equipment damage. If you are looking for a reliable and efficient way to transfer power from a tractor to an implement, then a 6 Series PTO shaft is a good option.

▍6 Series PTO Shaft Parts

▍6 Series PTO Shaft Tractor Yoke

	Dim. “A”	Dim. “B” mm	in.
Safety Slide Lock	1 3/8” x 6 Spl.	132	5.20”
	1 3/4” x 20 Spl.	135	5.32”
	1 3/8” x 21 Spl.	132	5.20”
Quick Disconnect Yoke	1 3/8” x 6 Spl.	118.0	4.65”
	1 1/8” Hex	117.0	4.61”
	1 3/4” x 20 Spl.	120.0	4.72”
	1 3/8” x 21 Spl.	118.0	4.65”

	Dim. “A” Bore	Dim. “B” mm	in.	Shear Bolt
Ball Shear	1 3/8” x 6 Spl.	149	5.85”	3/8” - 16 Gr. 5
	1 3/4” x 20 Spl.	162	6.37”	3/8” - 16 Gr. 5
	1 3/8” x 21 Spl.	149	5.85”	3/8” - 16 Gr. 5

▍6 Series PTO Shaft Cross & Bearing Kit

	Dim. “A” mm	in.	Dim. “B” mm	in.
	30.2	1.19”	92.0	3.62”

▍6 Series PTO Shaft Inner Profile Yoke

	Dim. “A” mm	in.	Dim. “B” mm	in.
With Bearing Groove	45.2	1.78”	105.0	4.13”

▍6 Series PTO Shaft Outer Profile Yoke

	Dim. “A” mm	in.	Dim. “B” mm	in.
With Bearing Groove	54.2	2.13”	105	4.13”

▍6 Series PTO Shaft Inner Tube

	Length m	in.
	1.5	59 1/16” (59.06)
	1.0	39 3/8” (39.37)

▍6 Series PTO Shaft Roll Pin

	Dim. “A”		Dim. “B”
	mm	in.	mm	in.
	10	.39”	80	3.15”

▍6 Series PTO Shaft Outer Tube

	Length mm	in.
	1.5	59 1/16” (59.06)
	1.0	39 3/8” (39.37)

▍6 Series PTO Shaft Implement Yoke

	Dim. “A”		Dim. “B”		Standard Keyway
	mm	in.	mm	in.	mm	in.
Round Bore With Keyway & Set Screw	31.8	1.25”	105.0	4.13”	6.4	.25”
	35.0	1.38”	105.0	4.13”	13.0	.31”
	38.1	1.50”	105.0	4.13”	9.5	.38”
	44.5	1.75”	108.0	4.25”	9.5	.38”
	35.0	1.38”	108.0	4.25”	10.0	.39”
	40.0	1.57”	108.0	4.25”	12.0	.47”
	Dim. “A”		Dim. “B”		Pinhole
	mm	in.	mm	in.	mm	in.
Shear Pin With PinHole	34.9	1.38”	105.0	4.13”	12.9	.50”
	31.8	1.25”	105.0	4.13”	6.5	.25”

	Dim. “A”		Dim. “B”
	mm	in.	mm	in.
Hex Bore	28.9	1.14” Hex	105.0	4.13”
Clamp Yoke	1 3/8”  x 6 Spl.		117.0	4.61”
	1 3/4” x 20 Spl.		120.0	4.72”
	3/8” x 21 Spl.		117.0	4.61”

▍6 Series PTO Shaft Guard

Fits Overall Driveline Length	Bearing Kit (2 per kit)
48”	961-3567
60”	961-3567
Easy Lock Replacement Kit
Guard Chain Kit

▍6 Series PTO Shaft Driveline

Overall Comp. Length Dim. “A”	Max. Running Length	Tractor Yoke	Implement Yoke
48”	70”	1 3/8” x 6 Spl. QD	1 1/2” Rd. w/3/8” Keyway
57”	83”	1 3/8” x 6 Spl. QD	1 3/4” Rd. w/3/8” Keyway
37”	50”	1 3/8” x 6 Spl. QD	1 3/8” x 6 Spl. QD
42”	57”	1 3/8” x 6 Spl. QD	1 3/8” x 6 Spl. QD
44”	60”	1 3/8” x 6 Spl. QD	1 3/8” x 6 Spl. QD
52”	76”	1 3/8” x 6 Spl. QD	1 3/8” Rd. w/Pinhole
55”	76”	1 3/8” x 6 Spl. QD	1 3/8” x 6 Spl. QD
57”	83”	1 3/8” x 6 Spl. QD	1 3/8” x 6 Spl. QD
57”	83”	1 3/8” x 6 Spl. SSL	1 3/8” x 6 Spl. SSL
48”	70”	1 3/8” x 21 Spl. QD	1 1/2” Rd. w/3/8” Keyway
66”	99”	1 3/8” x 21 Spl. QD	1 3/8” Rd. w/5/16” Keyway
48”	70”	1 3/8” x 6 Spl. QD	*
60”	89”	1 3/8” x 6 Spl. QD	*
44”	60”	1 3/8” x 21 Spl. QD	1 3/8” x 21 Spl. QD
54”	78”	1 3/8” x 6 Spl. QD	1 3/8” x 6 Spl. Clamp w/Friction Clutch
56”	80”	1 3/4” x 20 Spl. Clamp	1 3/4” x 20 Spl.Clamp w/Friction Clutch
60”	89”	1 3/8” x 6 Spl. QD	1 3/4” x 20 Spl.Clamp w/Friction Clutch
61”	92”	1 3/4” x 20 Spl. QD	1 3/4” x 20 Spl. Clamp w/Friction Clutch
64”	94”	1 3/4” x 20 Spl. Clamp	1 3/4” x 20 Spl. Clamp w/Friction Clutch
64”	94”	1 3/8” x 21 Spl. Clamp	1 3/8” x 21 Spl. Clamp w/Friction Clutch
57”	82”	1 3/8” x 6 Spl. QD	1 3/4”x 20 Spl. Clamp w/Friction Clutch
64”	94”	1 3/4” x 20 Spl. Clamp	1 3/8” x 6 Spl. Clamp w/Friction Clutch
39”	52”	1 3/8” x 6 Spl. QD	1 3/8” x 6 Spl. w/Overrunning Clutch
32”	41”	1 3/8” x 6 Spl. Safety Slide Lock	1 1/2” Rd. w/3/8” Keyway Ball Shear
39”	52”	1 3/8” x 6 Spl. Safety Slide Lock	1 3/8” x 6 Spl. Clamp Ball Shear

▍6 Series PTO Shaft Design Features

The design features of a 6 Series PTO shaft are standardized to ensure compatibility between different brands and models of tractors and implements. Some of the key design features of a 6 Series PTO shaft include:

1. Spline profile: The 6 Series PTO shaft has 20 splines that are evenly spaced at a pitch of 1.57 inches. This spline profile is used to transmit torque from the tractor to the implement.

2. Shaft diameter: The 6 Series PTO shaft has a standard diameter of 1 3/8 inches. This is the most common size for PTO shafts used in agricultural applications.

3. Shaft length: The overall length of the 6 Series PTO shaft can vary depending on the specific application, but it typically ranges from 48 to 60 inches.

4. Telescoping sleeve: The 6 Series PTO shaft is designed with a telescoping sleeve that allows it to adjust in length as needed. This allows the implement to move up and down without causing the shaft to bind or break.

5. Safety features: 6 Series PTO shafts are designed with safety in mind and include features such as a shear bolt or slip clutch that will break away in the event of a sudden stop or overload. This helps to prevent damage to the tractor or implement and reduces the risk of injury to the operator.

6. Material: 6 Series PTO shafts are typically made of high-strength steel or other durable materials that can withstand the stresses of heavy use in agricultural applications.

Overall, the design features of a 6 Series PTO shaft are intended to ensure reliable and safe operation, as well as compatibility with a wide range of tractors and implements.

▍6 Series PTO Shaft Usage Scenarios

6 Series PTO shafts are commonly used in a variety of agricultural applications where a tractor or other power source is used to operate an implement or attachment. Here are some common scenarios where a 6 Series PTO shaft might be used:

Rotary cutters: A rotary cutter is a type of mower that is attached to the back of a tractor and is used to mow tall grass, weeds, and brush. The rotary cutter is powered by the tractor PTO shaft, which turns the blades to cut the vegetation.

Hay balers: A hay baler is used to compress hay or straw into compact bales for storage or transport. The baler is powered by the tractor PTO shaft, which turns a series of gears and belts to compress and tie the bales.

Seeders and planters: Seeders and planters are used to sow seeds in rows or across a field. The seeder or planter is powered by the tractor PTO shaft, which turns a series of gears and belts to distribute the seeds.

Manure spreaders: A manure spreader is used to distribute animal waste across a field to fertilize crops. The spreader is powered by the tractor PTO shaft, which turns a series of gears and chains to distribute the manure.

Augers: Augers are used to move grain, feed, or other materials into or out of storage bins or transport trucks. The auger is powered by the tractor PTO shaft, which turns a series of gears and belts to move the material.

Overall, 6 Series PTO shafts are used in a wide range of agricultural applications where a reliable and efficient power transfer is required between a tractor or power source and an implement or attachment.

▍Agricultural Gearboxes for 6 Series PTO Shafts

Agricultural gearboxes are commonly used in conjunction with 6 Series PTO shafts to provide the necessary speed reduction or increase, as well as torque multiplication or reduction, depending on the specific application. Here are some important considerations when selecting and using agricultural gearboxes with 6 Series PTO shafts:

1. Compatibility: It is important to ensure that the agricultural gearbox is compatible with both the tractor and the implement being used, as well as with the 6 Series PTO shaft. This includes matching the gearbox input and output shaft sizes, as well as the gear ratios required for the specific application.

2. Load capacity: The agricultural gearbox must be able to handle the loads and stresses associated with the specific application. This includes the weight of the implement, as well as the forces generated by cutting, planting, spreading, or moving material.

3. Maintenance: Agricultural gearboxes require regular maintenance to ensure proper operation and long service life. This includes checking and changing the oil, inspecting seals and bearings, and adjusting or replacing gears or other components as needed.

4. Safety: It is important to follow all safety guidelines when operating agricultural machinery with agricultural gearboxes and PTO shafts. This includes ensuring that all guards and shields are in place, using proper hitching and attachment procedures, and following recommended operating speeds and loads.

5. Efficiency: The combination of the agricultural gearbox and PTO shaft must be designed and selected for maximum efficiency in the specific application. This includes minimizing power loss due to friction or other factors and ensuring that the power transfer is smooth and reliable.

Overall, the combination of a 6 Series PTO shaft and agricultural gearbox is essential for many agricultural applications, and proper selection, maintenance, and operation of these components is critical for reliable and efficient performance.