{"id":1898,"date":"2026-03-17T07:20:27","date_gmt":"2026-03-17T07:20:27","guid":{"rendered":"https:\/\/limitertorque.com\/application\/pto-shaft-for-forage-harvester\/"},"modified":"2026-03-17T07:20:27","modified_gmt":"2026-03-17T07:20:27","slug":"pto-shaft-for-forage-harvester","status":"publish","type":"post","link":"https:\/\/limitertorque.com\/sv\/ansokan\/pto-shaft-for-forage-harvester\/","title":{"rendered":"PTO Shaft for Forage Harvester"},"content":{"rendered":"

PTO Shaft for Forage Harvester \u2014 Overview<\/h2>\n

Efficient operation of a Forage Harvester depends on the uninterrupted transfer of mechanical power from the tractor’s PTO output to the implement’s input shaft. A purpose-built PTO drive shaft bridges this gap, converting engine torque into usable rotational force at the correct speed and angle. Designed for demanding harvesting environments, our PTO shaft assemblies feature hardened universal joints, precision-balanced telescoping sections, and robust safety guards\u2014ensuring smooth, dependable power transmission even under peak-load conditions.<\/p>\n

Whether you run a small family farm or manage a large-scale commercial harvesting enterprise, selecting the right PTO drive shaft for forage harvester<\/strong> \u00e4r avg\u00f6rande f\u00f6r produktivitet, s\u00e4kerhet och kostnadseffektivitet. Den h\u00e4r sidan inneh\u00e5ller omfattande tekniska data, urvalsv\u00e4gledning, installationsanvisningar och fallstudier fr\u00e5n verkligheten som hj\u00e4lper dig att fatta ett v\u00e4lgrundat k\u00f6pbeslut.<\/p>\n

\"PTO<\/p>\n

Technical Specifications \u2014 PTO Shaft for Forage Harvester<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecifikation<\/th>\nAnpassningsbart sortiment<\/th>\n<\/tr>\n<\/thead>\n
Kraftuttagshastighet<\/td>\n540 varv\/min<\/strong><\/td>\n540 \/ 540E \/ 1000 varv\/min<\/td>\n<\/tr>\n
Axelserien<\/td>\nT-serien (extra kraftig)<\/strong><\/td>\nL \/ S \/ G \/ T-serien<\/td>\n<\/tr>\n
Spline p\u00e5 traktorsidan<\/td>\n21-spline 1 3\/8″<\/strong><\/td>\n6-splines 1 3\/8\u2033, 21-splines 1 3\/8\u2033, 20-splines 1 3\/4\u2033<\/td>\n<\/tr>\n
Spline p\u00e5 redskapssidan<\/td>\n21-spline 1 3\/8″<\/strong><\/td>\n6-spline, 8-spline, 20-spline, 21-spline<\/td>\n<\/tr>\n
St\u00e4ngd l\u00e4ngd (Lz)<\/td>\n810 mm<\/strong><\/td>\n324 \u2013 2197 mm<\/td>\n<\/tr>\n
Max utdragen l\u00e4ngd<\/td>\n1010 mm<\/strong><\/td>\nEnligt specifikation<\/td>\n<\/tr>\n
Nominellt vridmoment<\/td>\n238 \u2013 1121 Nm<\/strong><\/td>\nUp to 1621 Nm<\/td>\n<\/tr>\n
Traktorns hk-r\u00e4ckvidd<\/td>\n50 \u2013 348 HP<\/strong><\/td>\nUp to 398 HP<\/td>\n<\/tr>\n
Storlek p\u00e5 korsjournalen<\/td>\n23.8\u00d761.3 mm<\/strong><\/td>\n22\u00d754,8 till 42\u00d7104,5 mm<\/td>\n<\/tr>\n
Oktyp (traktor\u00e4nde)<\/td>\nTryckstift snabbkoppling<\/strong><\/td>\nTryckstift \/ Bult \/ Kl\u00e4mbult<\/td>\n<\/tr>\n
Oktyp (redskaps\u00e4nde)<\/td>\nBolt-On<\/strong><\/td>\nTryckstift \/ Bultad \/ Dubbel tryckstift<\/td>\n<\/tr>\n
Profilr\u00f6rstyp<\/td>\nStj\u00e4rnprofilr\u00f6r<\/strong><\/td>\nCitron \/ Triangul\u00e4r \/ Stj\u00e4rna \/ Rund<\/td>\n<\/tr>\n
R\u00f6rmaterial<\/td>\n42CrMo legerat st\u00e5l<\/strong><\/td>\n20CrMnTi \/ 42CrMo \/ 45# st\u00e5l<\/td>\n<\/tr>\n
Ytbehandling<\/td>\nZinc Plated<\/strong><\/td>\nZink \/ F\u00e4rg \/ Pulverlackering \/ Svartoxid<\/td>\n<\/tr>\n
\u00d6verbelastningsskydd<\/td>\nFrihjulskoppling<\/strong><\/td>\nSkjuvbult \/ Friktion \/ Sp\u00e4rr \/ Kam \/ Frihjul<\/td>\n<\/tr>\n
S\u00e4kerhetsskyddsstandard<\/td>\nCE \/ ISO 5674 Compliant Guard<\/strong><\/td>\nCE \/ ISO 5674 \/ ASABE S361<\/td>\n<\/tr>\n
Driftsvinkel (max)<\/td>\n25\u00b0<\/strong><\/td>\nUpp till 25\u00b0 per led<\/td>\n<\/tr>\n
Balanserande betyg<\/td>\nISO 1940 G40<\/strong><\/td>\nG6.3 \/ G16 \/ G40<\/td>\n<\/tr>\n
Vikt (ungef\u00e4r)<\/td>\n14.6 kg<\/strong><\/td>\n8.8 \u2013 26.3 kg<\/td>\n<\/tr>\n
Sm\u00f6rjningsintervall<\/td>\n8 hours<\/strong><\/td>\nEnligt driftsf\u00f6rh\u00e5llanden<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

All specifications can be tailored to your exact forage harvester configuration. Kontakta v\u00e5rt teknikteam<\/a> f\u00f6r en anpassad offert.<\/em><\/p>\n

How a PTO Shaft Works on a Forage Harvester<\/h2>\n

In a Forage Harvester application, the PTO shaft serves as a rotating mechanical conduit between the tractor’s power take-off stub and the implement’s input coupling. The tractor’s PTO output spins at 540 RPM, and this rotational energy passes through a splined connection into the shaft’s first yoke-and-cross-journal assembly. The torque then travels along the telescoping tube section\u2014typically a Star Profile Tube\u2014which accommodates length variation as the implement articulates relative to the tractor. A second universal joint at the implement end re-directs the torque into the Forage Harvester’s gearbox or drive mechanism. The Free Wheel Clutch integrated into the shaft assembly acts as a mechanical fuse, disengaging or slipping when torque exceeds safe thresholds to protect expensive drivetrain components.<\/p>\n

\"PTO<\/p>\n

Strukturell sammans\u00e4ttning<\/h3>\n

A complete PTO shaft assembly for a forage harvester comprises the following key components:<\/p>\n