{"id":2430,"date":"2026-01-26T08:25:33","date_gmt":"2026-01-26T08:25:33","guid":{"rendered":"https:\/\/tractorptoshaft.net\/?post_type=product&p=2430"},"modified":"2026-01-26T09:00:04","modified_gmt":"2026-01-26T09:00:04","slug":"pto-shaft-kit-with-clutch-and-yokes","status":"publish","type":"product","link":"https:\/\/tractorptoshaft.net\/pt\/product\/pto-shaft-kit-with-clutch-and-yokes\/","title":{"rendered":"Kit de eixo da tomada de for\u00e7a com embreagem e garfos"},"content":{"rendered":"
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There is a particular sound that makes every seasoned operator wince. It\u2019s that metallic clack-clack-clack<\/em> followed by a vibration that you can feel in the seat of your pants. If you have spent as much time around tractors as I have\u2014coming up on 18 years now dealing with nothing but power transmission\u2014you know exactly what that means. Your driveline is telling you it\u2019s tired. Often, we see farmers in the Netherlands trying to patch things up. They swap a cross kit here, weld a new yoke there, or try to rebuild a friction clutch that has been seized by rust for three winters.<\/p>\n

\"Exploded<\/p>\n

But here is the thing most people don’t realize until it’s too late: a PTO shaft is a balanced system. When you start mixing old, worn yokes with brand new universal joints, or you pair a fresh shaft with a clutch that has lost its tension, you are just inviting vibration. And vibration is the enemy. It travels. It moves from the shaft into your tractor\u2019s PTO stub bearings and into the implement\u2019s gearbox seals. That is why we advocate for the Kit de eixo da tomada de for\u00e7a com embreagem e garfos<\/strong>. It\u2019s a “plug-and-play” solution where the phasing is perfect, the clutch is calibrated, and the yokes are fresh. It resets the clock on your machinery\u2019s lifespan.<\/p>\n

Looking at the exploded view, you can see the complexity. A kit isn’t just a tube. It includes the tractor-side yoke (usually 6-spline), the cross kits, the telescoping profiles, and the crucial implement-side yoke which often houses the safety clutch. Whether it is a slip clutch to protect against rocks or an overrun clutch to handle flywheel inertia, having this pre-assembled means you aren’t fighting with snap rings in a muddy field.<\/p>\n

\"Precision<\/p>\n

The Hidden Link: Matching Your Shaft to the Gearbox<\/h2>\n

I\u2019ve had customers call me up swearing that their new shaft is defective because it wobbles. Nine times out of ten, the shaft is fine. The problem is the gearbox input shaft. If the splines on your agricultural gearbox are worn down to a knife-edge, a new PTO yoke will never seat correctly. It\u2019s like putting new tires on a bent rim.<\/p>\n

We take a systems approach. We provide high-quality agricultural gearboxes<\/a> alongside our shaft kits. The metallurgical hardness of the gearbox input shaft must match the hardness of the PTO yoke splines. If one is significantly harder than the other, the harder metal will chew up the softer one in a matter of weeks (we call this “fretting wear”). When you source the kit and the gearbox from the same engineering standard, you ensure that the fit is tight\u2014usually within a tolerance of microns\u2014eliminating that backlash that destroys equipment.<\/p>\n

\"Heavy<\/div>\n
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Case Study: The Potato Harvest in Zeeland<\/h3>\n

The Situation:<\/strong> We worked with a contract farming group in Zeeland last October. They were running a Grimme potato harvester behind a Case IH Puma. The soil conditions were brutal\u2014heavy, wet clay mixed with sand, creating high torque loads. They kept snapping the shear bolts on their OEM shafts every few hours. The downtime was killing their margin, and the operators were getting frustrated, tempting them to put in stronger bolts (a huge safety no-no).<\/p>\n

The Intervention:<\/strong> The issue wasn’t just the torque; it was the shock loading. The shear bolt is a binary protection\u2014it\u2019s either on or off. We recommended switching to a Series 8 PTO Shaft Kit with a 4-Plate Friction Clutch<\/strong>. Unlike the shear bolt, the friction clutch can “burp”\u2014slipping momentarily when the harvester hits a dense clay clod or a stone\u2014and then re-engage instantly without stopping the tractor.<\/p>\n

O resultado:<\/strong> We shipped the custom kits directly to their workshop. The installation took 20 minutes per machine. The result? Zero stoppages for the rest of the harvest. The clutch absorbed the spikes that were previously snapping bolts. The farm manager calculated they saved about \u20ac4,000 in downtime costs alone over two weeks. That\u2019s the power of the right kit.<\/p>\n<\/div>\n

Anatomy of a Premium Kit: What\u2019s Inside?<\/h2>\n

Not all steel is created equal. I\u2019ve seen cheap import shafts that look shiny but twist like licorice under load. Our kits utilize 20CrMnTi alloy steel<\/strong> for the critical components like the cross kits and the splined yokes. This material is carburized, meaning the outer surface is extremely hard (to resist wear from the needle bearings) while the core remains tough (to absorb shock without cracking).<\/p>\n

Then there is the tubing. We typically use a “Lemon” or “Triangular” profile for general use, but for high-torque applications, the “Star” profile is superior. The Star profile offers more surface area for contact between the inner and outer tubes, distributing the load and preventing the tubes from seizing together. Have you ever tried to telescope a shaft that\u2019s frozen solid? It\u2019s a nightmare. The right profile, combined with proper greasing, prevents that.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Recurso<\/th>\nStandard Duty Kit (Series 4)<\/th>\nHeavy Duty Kit (Series 6)<\/th>\nExtreme Duty Kit (Series 8)<\/th>\n<\/tr>\n<\/thead>\n
Pot\u00eancia HP (540 RPM)<\/strong><\/td>\n35 HP (26 kW)<\/td>\n64 HP (47 kW)<\/td>\n95 HP (70 kW)<\/td>\n<\/tr>\n
Capacidade de torque<\/strong><\/td>\n460 Nm<\/td>\n830 Nm<\/td>\n1240 Nm<\/td>\n<\/tr>\n
Material do jugo<\/strong><\/td>\nForged Steel<\/td>\nForged 45# Steel<\/td>\n20CrMnTi forjado<\/td>\n<\/tr>\n
Op\u00e7\u00f5es de embreagem<\/strong><\/td>\nShear Bolt \/ Plain<\/td>\nShear Bolt \/ Slip \/ Overrun<\/td>\nFriction Disc \/ Ratchet<\/td>\n<\/tr>\n
Perfil do tubo<\/strong><\/td>\nTriangular<\/td>\nTriangular \/ Lim\u00e3o<\/td>\nEstrela \/ Estriada<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\"Warehouse<\/div>\n

The Elephant in the Room: Brand Compatibility<\/h2>\n

We often get asked, “Will this fit my Walterscheid setup?” The answer is yes. In the PTO world, dimensional standards (DIN and SAE) are king. We respect the major European brands\u2014they built the roadmap. However, paying for the yellow plastic guard and the brand name often doubles your cost without doubling the performance. Our kits are engineered to be 100% interchangeable.<\/p>\n

\n\n\n\n\n\n\n\n\n
Attribute<\/th>\nMajor European OEM<\/th>\nEver Power Complete Kit<\/th>\nGeneric Budget Brand<\/th>\n<\/tr>\n<\/thead>\n
Yoke Fitment<\/strong><\/td>\nPrecise (DIN Standard)<\/td>\nPrecise (DIN Standard)<\/td>\nVariable \/ Loose<\/td>\n<\/tr>\n
Clutch Consistency<\/strong><\/td>\nAlto<\/td>\nHigh (Pre-tested)<\/td>\nUnreliable (Often slips)<\/td>\n<\/tr>\n
Availability<\/strong><\/td>\nDistributor Network (Slow)<\/td>\nDirect Ship (Fast)<\/td>\nSpotty<\/td>\n<\/tr>\n
Faixa de pre\u00e7o<\/strong><\/td>\nPremium (\u20ac\u20ac\u20ac\u20ac)<\/td>\nValue (\u20ac\u20ac)<\/td>\nCheap (\u20ac)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

If you need to verify compatibility, drop us a message with your current part numbers<\/a>. We can cross-reference them in minutes.<\/p>\n

Where These Kits Shine<\/h2>\n

While a simple shaft works for a water pump, our Kits with Clutches are essential for:<\/p>\n