PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter
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PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary CutterPTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary CutterPTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary CutterPTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary CutterPTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary CutterPTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary CutterPTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary CutterPTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary CutterPTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter

PTO Shaft 1 3/8" PTO Drive Shaft, 6 Spline End Round End PTO Driveline Shaft, Series 4 Tractor PTO Shaft, 39"-55" Brush Hog PTO Shaft, Black PTO Shaft for Bush Hog/Finish Mower/Rotary Cutter

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$126.90 USD $150.00 USD
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Description

👨🌾 Keep your brush hog, finish mower, or rotary cutter running smoothly with this Series 4 PTO shaft. Whether you're clearing overgrown pasture or maintaining acres of grass, a worn or mismatched driveline can lead to downtime and frustration. This 1 3/8" 6‑spline to round end PTO driveline delivers dependable power transfer for compact and utility tractors up to 53 HP. The adjustable telescoping design (39" to 55") gives you flexibility during attachment hook‑up, and the included safety shield plus security chain help you work with fewer worries. Built around a forged 20CrMnTi universal joint and Q345 steel tube, it's made to handle the everyday demands of farm and property upkeep — without the dealer markup. 🔧

⚙️ Key Features of This Series 4 Tractor PTO Shaft

  • 🔩 Sturdy & Certified Driveline: Forged 20CrMnTi carburized steel universal joint and Q345 steel inner tube. CE certified for reliable power delivery under load — built tough for brush hog, finish mower, and rotary cutter applications.
  • 🔌 Standard 1-3/8" 6-Spline & Round Ends: Tractor side features a 6‑spline yoke, implement side uses a smooth round bore. Fits most category 1 tractors and attachments with 1‑3/8" PTO connections — no adapter needed for common setups.
  • 📏 Adjustable Telescoping Length (39" – 55"): Compressed length 39" extends to 55". Ideal for varied hitch geometries. The telescoping tube allows easy length adjustment during installation and helps prevent binding on uneven terrain.
  • 🛡️ Safer Operation with Shield & Chain: Comes with a durable black plastic shield and a security chain to keep the guard from rotating. Meets general safety recommendations for PTO drivelines, reducing snag hazards.
  • 🐎 Rated for 35–53 HP Applications: Delivers 35 HP / 460 Nm torque at 540 RPM, and 53 HP / 360 Nm torque at 1000 RPM. Well‑suited for 4‑Series driveline requirements on implements up to 6 ft wide.
  • 🔄 Easy Direct Replacement: Designed as a straightforward swap for worn or damaged PTO shafts. Includes standard yokes and roll pins — gets you back to mowing faster.

📋 PTO Drive Shaft Specifications & Dimensions

Series / Class Series 4 PTO Driveline
Tractor End 1-3/8" 6‑Spline (standard quick‑connect compatible)
Implement End 1-3/8" Round Bore with shear pin/roll pin hole
Compressed Length 39 inches (1000 mm)
Extended Length 55 inches (1400 mm)
Power & Torque @ 540 RPM 35 HP / 26 kW / 460 Nm
Power & Torque @ 1000 RPM 53 HP / 39 kW / 360 Nm
Material 20CrMnTi universal joint, Q345 steel tube, high‑impact shield
Shield Color Black
Certification CE Certified
Product Weight 22.75 lb (shaft assembly only)
Package Weight 24.25 lb (boxed for shipment)
Included Accessories Security chain, shield, roll pins, basic installation manual

📦 Assembled dimensions: 39.46" L x 5.41" W x 5.80" H. Fits most Category 1 3‑point implements with 1‑3/8" input shaft.

❓ Brush Hog PTO Shaft FAQ – Common Questions Answered

🔹 Will this PTO shaft fit my tractor and rotary cutter?
If your tractor has a standard 1-3/8" 6‑spline PTO output and your implement uses a 1-3/8" round input shaft, this shaft will fit perfectly. It's widely compatible with Bush Hog®, King Kutter®, Land Pride®, and similar rotary cutters, finish mowers, and tillers that require a Series 4 driveline. Always verify your implement's required HP and shaft size before ordering.
🔹 How do I measure to be sure the length is correct?
Measure the distance between the tractor's PTO output shaft (when fully raised) and the implement's input shaft — with the implement attached and in the working position. Then add 2–3 inches for overlap. This shaft's adjustable range of 39" compressed to 55" extended covers the majority of 5‑ft and 6‑ft rotary cutters. If your measured distance falls between 41" and 52", this shaft will give you proper engagement without bottoming out.
🔹 Is this PTO shaft durable enough for heavy brush and saplings?
Yes. The Series 4 rating and CE certification confirm it's built for medium‑duty applications up to 53 HP. The universal joint uses 20CrMnTi carburized steel, which resists wear better than standard carbon steel. Many customers use it with 5‑ft brush hog tackling thick grass and light brush. For continuous heavy sapling work, ensure your slip clutch or shear bolt is properly maintained to protect the driveline.
🔹 Does the shaft come ready to install? What's included?
It arrives pre‑assembled with shield and chain. You may need to cut the PTO shaft to the exact length required for your specific tractor/implement combination — this is standard practice for safety and proper telescoping clearance. Included are roll pins for the implement end. Detailed cutting and installation instructions are not printed in the box, but we recommend watching a 5‑minute tutorial on YouTube ("How to cut a PTO shaft"). As always, wear gloves and eye protection.
🔹 Can I use this shaft with a finish mower or tiller?
Absolutely. It's designed for brush hog, finish mower, rotary cutter, and PTO‑driven tiller applications as long as the implement input is 1-3/8" round and the power rating is within 35–53 HP. The smooth telescoping action reduces vibration on finish mowers, giving you a cleaner cut.

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