{"id":2427,"date":"2026-01-26T08:12:45","date_gmt":"2026-01-26T08:12:45","guid":{"rendered":"https:\/\/tractorptoshaft.net\/?post_type=product&p=2427"},"modified":"2026-01-26T09:00:29","modified_gmt":"2026-01-26T09:00:29","slug":"universal-pto-shaft-for-tractors-1-3-8","status":"publish","type":"product","link":"https:\/\/tractorptoshaft.net\/hi\/product\/\u091f\u094d\u0930\u0948\u0915\u094d\u091f\u0930\u094b\u0902-\u0915\u0947-\u0932\u093f\u090f-\u092f\u0942\u0928\u093f\u0935\u0930\/","title":{"rendered":"\u091f\u094d\u0930\u0948\u0915\u094d\u091f\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u092f\u0942\u0928\u093f\u0935\u0930\u094d\u0938\u0932 \u092a\u0940\u091f\u0940\u0913 \u0936\u093e\u092b\u094d\u091f 1 3\/8\u201d"},"content":{"rendered":"
\u0906\u092a\u0928\u0947 \u0936\u093e\u092f\u0926 \u092a\u093f\u091b\u0932\u0947 \u0915\u0908 \u0938\u093e\u0932\u094b\u0902 \u092e\u0947\u0902 \u0907\u0928\u092e\u0947\u0902 \u0938\u0947 \u0938\u094c \u0915\u094b \u0905\u092a\u0928\u0947 \u0939\u093e\u0925\u094b\u0902 \u092e\u0947\u0902 \u092a\u0915\u0921\u093c\u093e \u0939\u094b\u0917\u093e\u0964 \u092e\u093e\u0928\u0915 \u091f\u094d\u0930\u0948\u0915\u094d\u091f\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u092f\u0942\u0928\u093f\u0935\u0930\u094d\u0938\u0932 \u092a\u0940\u091f\u0940\u0913 \u0936\u093e\u092b\u094d\u091f 1 3\/8\u201d<\/strong> is arguably the most common piece of driveline hardware on any farm, from the tulip fields of North Holland to the dairy pastures of Brabant. But here is the thing that keeps me up at night\u2014and after 18 years in this industry, crawling under chassis and analyzing sheared yokes, plenty of things keep me up\u2014people treat them like a commodity. They think, “It\u2019s just a steel tube, right?” Well, not exactly. When you are transferring 80 horsepower at 540 RPM through a universal joint that is fighting against a rusty implement, the difference between “generic steel” and a properly engineered shaft is usually about two weeks of downtime during harvest season. We\u2019ve seen it time and time again: a farmer saves fifty euros on a shaft, only to blow a gearbox bearing worth five hundred because the shaft wasn’t balanced correctly.<\/p>\n \u0939\u092e \u0905\u092a\u0928\u0947 \u0909\u0924\u094d\u092a\u093e\u0926\u094b\u0902 \u0915\u0947 \u0928\u093f\u0930\u094d\u092e\u093e\u0923 \u0915\u0947 \u0932\u093f\u090f \u090f\u0915 \u0935\u093f\u0936\u0947\u0937 \u0926\u0943\u0937\u094d\u091f\u093f\u0915\u094b\u0923 \u0905\u092a\u0928\u093e\u0924\u0947 \u0939\u0948\u0902\u0964 \u091f\u094d\u0930\u0948\u0915\u094d\u091f\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u092f\u0942\u0928\u093f\u0935\u0930\u094d\u0938\u0932 \u092a\u0940\u091f\u0940\u0913 \u0936\u093e\u092b\u094d\u091f 1 3\/8\u201d<\/strong> with a mindset that is a bit obsessive. We don’t just stamp them out; we engineer them to handle the specific torque spikes that modern agriculture demands. Most printers\u2014sorry, I mean manufacturers (force of habit from looking at blueprints)\u2014don’t realize that the sliding friction in the profile tube is the number one killer of PTO shafts. If that tube doesn’t slide effortlessly when your tractor hits a bump, that axial load goes straight into your tractor’s PTO stub. That is why we focus heavily on the tolerance of our cold-drawn tubes.<\/p>\n \u090a\u092a\u0930 \u0926\u093f\u090f \u0917\u090f \u0935\u093f\u0938\u094d\u0924\u0943\u0924 \u0926\u0943\u0936\u094d\u092f \u0915\u094b \u0926\u0947\u0916\u0915\u0930 \u0906\u092a \u0938\u093f\u0938\u094d\u091f\u092e \u0915\u0947 \u092e\u0941\u0916\u094d\u092f \u092d\u093e\u0917 \u0915\u094b \u0938\u092e\u091d \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964 \u0915\u094d\u0930\u0949\u0938 \u0915\u093f\u091f (\u092f\u0942-\u091c\u0949\u0907\u0902\u091f) 20CrMnTi \u092e\u093f\u0936\u094d\u0930 \u0927\u093e\u0924\u0941 \u0907\u0938\u094d\u092a\u093e\u0924 \u0938\u0947 \u092c\u0928\u0947 \u0939\u094b\u0924\u0947 \u0939\u0948\u0902, \u091c\u093f\u0928\u094d\u0939\u0947\u0902 \u0915\u093e\u0930\u094d\u092c\u094b\u0928\u093e\u0907\u091c\u094d\u0921 \u0915\u0930\u0915\u0947 \u090f\u0915 \u0915\u0920\u094b\u0930, \u0918\u093f\u0938\u093e\u0935-\u092a\u094d\u0930\u0924\u093f\u0930\u094b\u0927\u0940 \u0938\u0924\u0939 \u092c\u0928\u093e\u0908 \u091c\u093e\u0924\u0940 \u0939\u0948, \u091c\u092c\u0915\u093f \u092d\u0940\u0924\u0930\u0940 \u092d\u093e\u0917 \u091d\u091f\u0915\u0947 \u0915\u094b \u0905\u0935\u0936\u094b\u0937\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092e\u091c\u092c\u0942\u0924 \u092c\u0928\u093e \u0930\u0939\u0924\u093e \u0939\u0948\u0964 \u092f\u0939 \u090f\u0915 \u0928\u093e\u091c\u0941\u0915 \u0938\u0902\u0924\u0941\u0932\u0928 \u0939\u0948\u0964 \u0905\u0917\u0930 \u092f\u0947 \u092c\u0939\u0941\u0924 \u0915\u0920\u094b\u0930 \u0939\u094b\u0902, \u0924\u094b \u092a\u0924\u094d\u0925\u0930 \u0938\u0947 \u091f\u0915\u0930\u093e\u0928\u0947 \u092a\u0930 \u0915\u093e\u0902\u091a \u0915\u0940 \u0924\u0930\u0939 \u091f\u0942\u091f \u091c\u093e\u090f\u0902\u0917\u0947; \u0914\u0930 \u0905\u0917\u0930 \u092c\u0939\u0941\u0924 \u0928\u0930\u092e \u0939\u094b\u0902, \u0924\u094b \u090f\u0915 \u0939\u0940 \u092e\u094c\u0938\u092e \u092e\u0947\u0902 \u0918\u093f\u0938 \u091c\u093e\u090f\u0902\u0917\u0947\u0964 \u0939\u092e\u0928\u0947 \u0935\u0939 \u0938\u0939\u0940 \u0938\u0902\u0924\u0941\u0932\u0928 \u092a\u093e \u0932\u093f\u092f\u093e \u0939\u0948\u0964<\/p>\n A PTO shaft without a gearbox is like a pitcher without a catcher\u2014power with nowhere to go. In our experience, about 40% of premature shaft failures aren’t the shaft’s fault at all; they are due to a mismatch with the agricultural gearbox. The \u091f\u094d\u0930\u0948\u0915\u094d\u091f\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u092f\u0942\u0928\u093f\u0935\u0930\u094d\u0938\u0932 \u092a\u0940\u091f\u0940\u0913 \u0936\u093e\u092b\u094d\u091f 1 3\/8\u201d<\/strong> is designed to feed power into a gearbox that reduces speed and increases torque (or vice versa). We supply a wide range of agricultural gearboxes that match perfectly with our shafts, ensuring the input spline hardness matches the PTO yoke spline hardness. If one is significantly harder than the other, you get fretting wear, and eventually, the splines strip completely (I\u2019ve seen this happen on a brand new baler, it wasn’t pretty).<\/p>\n \u092f\u0939 \u0938\u0902\u092c\u0902\u0927 \u0938\u0939\u091c\u0940\u0935\u0940 \u0939\u0948\u0964 \u0917\u093f\u092f\u0930\u092c\u0949\u0915\u094d\u0938 \u0915\u0902\u092a\u0928 \u0915\u094b \u0905\u0935\u0936\u094b\u0937\u093f\u0924 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u092f\u0942-\u091c\u0949\u0907\u0902\u091f\u094d\u0938 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u092a\u0940\u091f\u0940\u0913 \u0936\u093e\u092b\u094d\u091f \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u093e \u0939\u0948, \u091c\u092c\u0915\u093f \u092a\u0940\u091f\u0940\u0913 \u0936\u093e\u092b\u094d\u091f \u0938\u094d\u0925\u093f\u0930 \u0907\u0928\u092a\u0941\u091f \u0932\u094b\u0921 \u092a\u094d\u0930\u0926\u093e\u0928 \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0917\u093f\u092f\u0930\u092c\u0949\u0915\u094d\u0938 \u092a\u0930 \u0928\u093f\u0930\u094d\u092d\u0930 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0939\u092e \u0928\u0940\u0926\u0930\u0932\u0948\u0902\u0921\u094d\u0938 \u092e\u0947\u0902 \u0905\u092a\u0928\u0947 \u0917\u094d\u0930\u093e\u0939\u0915\u094b\u0902 \u0915\u094b \u0905\u0915\u094d\u0938\u0930 \u0938\u0932\u093e\u0939 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902: \u092f\u0926\u093f \u0906\u092a \u0917\u093f\u092f\u0930\u092c\u0949\u0915\u094d\u0938 \u092c\u0926\u0932 \u0930\u0939\u0947 \u0939\u0948\u0902, \u0924\u094b \u092a\u0940\u091f\u0940\u0913 \u0936\u093e\u092b\u094d\u091f \u092d\u0940 \u092c\u0926\u0932 \u0926\u0947\u0902\u0964 \u0907\u0938\u0938\u0947 \u0918\u093f\u0938\u093e\u0935 \u0915\u093e \u092a\u0948\u091f\u0930\u094d\u0928 \u0909\u0932\u091f \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092f\u0926\u093f \u0906\u092a\u0915\u094b \u0907\u0928\u094d\u0939\u0947\u0902 \u092e\u093f\u0932\u093e\u0928\u0947 \u092e\u0947\u0902 \u0938\u0939\u093e\u092f\u0924\u093e \u091a\u093e\u0939\u093f\u090f, \u0924\u094b \u0906\u092a \u0939\u092e\u093e\u0930\u0940 \u0935\u0947\u092c\u0938\u093e\u0907\u091f \u092a\u0930 \u091c\u093e \u0938\u0915\u0924\u0947 \u0939\u0948\u0902\u0964 \u0938\u0902\u092a\u0930\u094d\u0915 \u092a\u0943\u0937\u094d\u0920<\/a> \u0914\u0930 \u0939\u092e\u0947\u0902 \u0938\u094d\u092a\u0947\u0938\u093f\u092b\u093f\u0915\u0947\u0936\u0928\u094d\u0938 \u092d\u0947\u091c \u0926\u0947\u0902\u0964<\/p>\n Let me tell you about a case we handled last year near Dronten, Flevoland. The soil there is heavy marine clay\u2014beautiful for crops but brutal on machinery. We had a client, let’s call him Pieter, who was running a large rotary tiller behind a 120HP tractor. He was using a generic \u091f\u094d\u0930\u0948\u0915\u094d\u091f\u0930\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u092f\u0942\u0928\u093f\u0935\u0930\u094d\u0938\u0932 \u092a\u0940\u091f\u0940\u0913 \u0936\u093e\u092b\u094d\u091f 1 3\/8\u201d<\/strong> \u0909\u0938\u0928\u0947 \u090f\u0915 \u0938\u0938\u094d\u0924\u0947 \u0938\u092a\u094d\u0932\u093e\u092f\u0930 \u0938\u0947 \u0938\u093e\u092e\u093e\u0928 \u0916\u0930\u0940\u0926\u093e \u0925\u093e\u0964 \u091c\u092c \u092d\u0940 \u0935\u0939 \u0939\u0932 \u0915\u094b \u0909\u0938 \u0918\u0928\u0940 \u092e\u093f\u091f\u094d\u091f\u0940 \u092e\u0947\u0902 \u0921\u093e\u0932\u0924\u093e, \u0924\u094b \u0909\u0938 \u092a\u0930 \u092c\u0939\u0941\u0924 \u091c\u093c\u094b\u0930 \u092a\u0921\u093c\u0924\u093e \u0925\u093e\u0964 \u0939\u0930 30 \u092e\u093f\u0928\u091f \u092e\u0947\u0902 \u0909\u0938\u0915\u0947 \u0915\u0924\u0930\u0928 \u092c\u094b\u0932\u094d\u091f \u091f\u0942\u091f \u091c\u093e\u0924\u0947 \u0925\u0947, \u0914\u0930 \u0906\u0916\u093f\u0930\u0915\u093e\u0930, \u091c\u0941\u090f \u0915\u0947 \u0915\u093f\u0928\u093e\u0930\u0947 \u0916\u093f\u0902\u091a \u0917\u090f, \u091c\u093f\u0938\u0938\u0947 \u0922\u0915\u094d\u0915\u0928 \u092c\u094b\u0930 \u0915\u0947 \u0905\u0902\u0926\u0930 \u0918\u0942\u092e\u0928\u0947 \u0932\u0917\u093e\u0964<\/p>\n
<\/p>\n\u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0915\u0921\u093c\u0940: \u0905\u092a\u0928\u0947 \u0936\u093e\u092b\u094d\u091f \u0915\u094b \u0938\u0939\u0940 \u0917\u093f\u092f\u0930\u092c\u0949\u0915\u094d\u0938 \u0938\u0947 \u092e\u093f\u0932\u093e\u0928\u093e<\/h2>\n
<\/div>\n\u0915\u0947\u0938 \u0938\u094d\u091f\u0921\u0940: \u092b\u094d\u0932\u0947\u0935\u094b\u0932\u0948\u0902\u0921 \u092e\u0947\u0902 \u0915\u094d\u0932\u0947 \u092c\u0938\u094d\u091f\u0930<\/h2>\n