{"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\/vi\/ung-dung\/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

Cho d\u00f9 b\u1ea1n \u0111i\u1ec1u h\u00e0nh m\u1ed9t trang tr\u1ea1i gia \u0111\u00ecnh nh\u1ecf hay m\u1ed9t doanh nghi\u1ec7p thu ho\u1ea1ch th\u01b0\u01a1ng m\u1ea1i quy m\u00f4 l\u1edbn, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i m\u00e1y m\u00f3c l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. PTO drive shaft for forage harvester<\/strong> \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho n\u0103ng su\u1ea5t, an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed. Trang n\u00e0y cung c\u1ea5p d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt to\u00e0n di\u1ec7n, h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn, h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t v\u00e0 c\u00e1c nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf \u0111\u1ec3 gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh mua h\u00e0ng s\u00e1ng su\u1ed1t.<\/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
Tham s\u1ed1<\/th>\nTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/th>\nPh\u1ea1m vi t\u00f9y ch\u1ec9nh<\/th>\n<\/tr>\n<\/thead>\n
T\u1ed1c \u0111\u1ed9 PTO<\/td>\n540 v\u00f2ng\/ph\u00fat<\/strong><\/td>\n540 \/ 540E \/ 1000 v\u00f2ng\/ph\u00fat<\/td>\n<\/tr>\n
D\u00f2ng tr\u1ee5c<\/td>\nD\u00f2ng T (Si\u00eau b\u1ec1n)<\/strong><\/td>\nD\u00f2ng L \/ S \/ G \/ T<\/td>\n<\/tr>\n
R\u00e3nh then b\u00ean m\u00e1y k\u00e9o<\/td>\n21 r\u00e3nh, 1 3\/8\u2033<\/strong><\/td>\n6 r\u00e3nh 1 3\/8\u2033, 21 r\u00e3nh 1 3\/8\u2033, 20 r\u00e3nh 1 3\/4\u2033<\/td>\n<\/tr>\n
R\u00e3nh xo\u1eafn ph\u00eda d\u1ee5ng c\u1ee5<\/td>\n21 r\u00e3nh, 1 3\/8\u2033<\/strong><\/td>\n6 r\u00e3nh, 8 r\u00e3nh, 20 r\u00e3nh, 21 r\u00e3nh<\/td>\n<\/tr>\n
Chi\u1ec1u d\u00e0i khi \u0111\u00f3ng (Lz)<\/td>\n810 mm<\/strong><\/td>\n324 \u2013 2197 mm<\/td>\n<\/tr>\n
Chi\u1ec1u d\u00e0i t\u1ed1i \u0111a khi k\u00e9o d\u00e0i<\/td>\n1010 mm<\/strong><\/td>\nTheo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/td>\n<\/tr>\n
M\u00f4-men xo\u1eafn \u0111\u1ecbnh m\u1ee9c<\/td>\n238 \u2013 1121 Nm<\/strong><\/td>\nUp to 1621 Nm<\/td>\n<\/tr>\n
Ph\u1ea1m vi m\u00e3 l\u1ef1c m\u00e1y k\u00e9o<\/td>\n50 \u2013 348 HP<\/strong><\/td>\nUp to 398 HP<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc t\u1ea1p ch\u00ed ch\u00e9o<\/td>\n23,8\u00d761,3 mm<\/strong><\/td>\n22\u00d754,8 \u0111\u1ebfn 42\u00d7104,5 mm<\/td>\n<\/tr>\n
Lo\u1ea1i c\u00e0ng ch\u1eef U (\u0110\u1ea7u m\u00e1y k\u00e9o)<\/td>\nCh\u1ed1t b\u1ea5m th\u00e1o nhanh<\/strong><\/td>\nCh\u1ed1t \u0111\u1ea9y \/ Bu l\u00f4ng b\u1eaft v\u00edt \/ Bu l\u00f4ng k\u1eb9p<\/td>\n<\/tr>\n
Lo\u1ea1i g\u00e1 (\u0110\u1ea7u th\u1ef1c hi\u1ec7n)<\/td>\nL\u1eafp r\u00e1p b\u1eb1ng bu l\u00f4ng<\/strong><\/td>\nCh\u1ed1t \u0111\u1ea9y \/ Ch\u1ed1t b\u1eaft v\u00edt \/ Ch\u1ed1t \u0111\u1ea9y k\u00e9p<\/td>\n<\/tr>\n
Lo\u1ea1i \u1ed1ng \u0111\u1ecbnh h\u00ecnh<\/td>\n\u1ed0ng h\u00ecnh sao<\/strong><\/td>\nChanh \/ Tam gi\u00e1c \/ Sao \/ Tr\u00f2n<\/td>\n<\/tr>\n
V\u1eadt li\u1ec7u \u1ed1ng<\/td>\nTh\u00e9p h\u1ee3p kim 42CrMo<\/strong><\/td>\nTh\u00e9p 20CrMnTi \/ 42CrMo \/ 45#<\/td>\n<\/tr>\n
X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/td>\nM\u1ea1 k\u1ebdm<\/strong><\/td>\nK\u1ebdm \/ S\u01a1n \/ L\u1edbp ph\u1ee7 b\u1ed9t \/ Oxit \u0111en<\/td>\n<\/tr>\n
B\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i<\/td>\nFree Wheel Clutch<\/strong><\/td>\nBu l\u00f4ng c\u1eaft \/ Ma s\u00e1t \/ B\u00e1nh c\u00f3c \/ Cam \/ V\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n
Ti\u00eau chu\u1ea9n b\u1ea3o v\u1ec7 an to\u00e0n<\/td>\nT\u1ea5m ch\u1eafn tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n CE \/ ISO 5674<\/strong><\/td>\nCE \/ ISO 5674 \/ ASABE S361<\/td>\n<\/tr>\n
G\u00f3c ho\u1ea1t \u0111\u1ed9ng (t\u1ed1i \u0111a)<\/td>\n25\u00b0<\/strong><\/td>\nT\u1ed1i \u0111a 25\u00b0 cho m\u1ed7i kh\u1edbp<\/td>\n<\/tr>\n
\u0110i\u1ec3m c\u00e2n b\u1eb1ng<\/td>\nISO 1940 G40<\/strong><\/td>\nG6.3 \/ G16 \/ G40<\/td>\n<\/tr>\n
Tr\u1ecdng l\u01b0\u1ee3ng (x\u1ea5p x\u1ec9)<\/td>\n14.6 kg<\/strong><\/td>\n8.8 \u2013 26.3 kg<\/td>\n<\/tr>\n
Kho\u1ea3ng th\u1eddi gian b\u00f4i tr\u01a1n<\/td>\n8 gi\u1edd<\/strong><\/td>\nTheo \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

All specifications can be tailored to your exact forage harvester configuration. Li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i<\/a> \u0110\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 t\u00f9y ch\u1ec9nh.<\/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

C\u1ea5u tr\u00fac th\u00e0nh ph\u1ea7n<\/h3>\n

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