1 Series PTO Shaft - Replacement of Bondioli & Pavesi PTO Shaft
The 1 Series PTO (Power Take-Off) Shaft is a universal mechanical device designed to transmit power from a tractor or other engine to various types of agricultural and industrial equipment such as mowers, balers, pumps, and generators. It has a standardized spline or keyway connection that attaches to the tractor's output shaft, and its other end has a yoke or coupling that connects to the input shaft of the implements. The 1 Series PTO shaft has a 6-spline design that fits most tractors with up to 20 horsepower, and it can handle a maximum torque of 160 Newton meters. It also has a safety shield or guard that covers the rotating shaft to prevent injuries or entanglement.

| Dim. “A” | Dim. “B”mm | in. | |
Safety Slide Lock | 1 3/8” x 6 Spl. | 98.0 | 3.86” |
| 1 3/8” x 21 Spl. | 98.0 | 3.86” | |
Quick Disconnect Yoke | 1 1/8” x 6 Spl. | 92.0 | 3.62” |
| 1 3/8” x 6 Spl. | 90.0 | 3.54” | |
| 1 3/8” x 21 Spl. | 90.0 | 3.54” |
| Dim. “A”mm | in. | Dim. “B”mm | in. | |
![]() | 22.0 | .87” | 54.0 | 2.13” |
| Dim. “A”mm | in. | Dim. “B”mm | in. | |
With Bearing Groove | 27.5 | 1.08” | 66.0 | 2.60” |
| Dim. “A”mm | in. | Dim. “B”mm | in. | |
With Bearing Groove | 33 | 1.30” | 66 | 2.60” |
| Lengthm | in. | |
![]() | 1.5 | 59.06” |
| 1.0 | 39.37” |
| Dim. “A” | Dim. “B” | |||
| mm | in. | mm | in. | |
![]() | 8.0 | .31” | 50.0 | 1.97” |
| Lengthm | in. | |
![]() | 1.5 | 59.06” |
| 1.0 | 39.37” |
| Dim. “A” | Dim. “B” | Standard Keyway | ||||
| mm | in. | mm | in. | mm | in. | |
Round BoreWith Keyway & Set Screw | 25.4 | 1.0” | 78.0 | 3.07” | 6.35 | .25” |
| 31.75 | 1.25” | 78.0 | 3.07” | 6.35 | .25” | |
| 30.0 | 1.18” | 78.0 | 3.07” | 10.0 | .39” | |
| Dim. “A” | Dim. “B” | Pinhole | ||||
| mm | in. | mm | in. | mm | in. | |
Shear PinWith PinHole | 31.75 | 1.25” | 78 | 3.07” | 6.35 | .25” |
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| Stock Number | Fits Overall Driveline Length | Bearing Kit (2 per kit) |
| 900-2548 | 48” | 961-5029 |
| 900-2560 | 60” | 961-5029 |
| Easy Lock Replacement Kit | ![]() | |
| Guard Chain Kit | ![]() | |

| Overall Comp.Length Dim. “A” | Max. RunningLength | Tractor Yoke | Implement Yoke |
| 27” | 37” | 1 3/8” x 6 Spl. QD | 1 3/8” x 6 Spl. QD |
| 27” | 37” | 1 3/8” x 6 Spl. SSL | 1 3/8” x 6 Spl. SSL |
| 35” | 50” | 1 3/8” x 6 Spl. QD | 1 3/8” x 6 Spl. QD |
| 37” | 53” | 1 3/8” x 6 Spl. QD | 1 3/8” x 6 Spl. QD |
| 48” | 70” | 1 3/8” x 6 Spl. QD | * |
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