![\"PTO\u30c9\u30e9\u30a4\u30d6\u30b7\u30e3\u30d5\u30c8\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/pto-shaft-factory-3.webp\" "\\"\\"")
<\/div>\n
\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n
What’s the smallest S-series model I can use for an 80 HP tractor?<\/strong><\/p>\n80 HP\u3001540 RPM\u306e\u5834\u5408\u3001\u9023\u7d9a\u30c8\u30eb\u30af\u306f\u7d041060 Nm\u3067\u3059\u3002S6\uff08\u6700\u5927\u30c8\u30eb\u30af1450 Nm\uff09\u306f\u5341\u5206\u306a\u4f59\u88d5\u304c\u3042\u308a\u307e\u3059\u3002\u4f5c\u696d\u6a5f\u306b\u5927\u304d\u306a\u885d\u6483\u8377\u91cd\u304c\u304b\u304b\u308b\u5834\u5408\uff08\u6797\u696d\u3001\u77f3\u62fe\u3044\u306a\u3069\uff09\u306f\u3001\u3055\u3089\u306a\u308b\u4fdd\u8b77\u306e\u305f\u3081\u306bS7\uff08\u6700\u5927\u30c8\u30eb\u30af1800 Nm\uff09\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
S42\u3001S48\u3001S50\u3092\u3001\u3088\u308a\u5c0f\u578b\u306eS\u30b7\u30ea\u30fc\u30ba\u30e2\u30c7\u30eb\u3088\u308a\u3082\u9078\u3076\u3079\u304d\u306a\u306e\u306f\u3069\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\nS42\/S48\/S50\u30e2\u30c7\u30eb\u306f\u3001150\u99ac\u529b\u4ee5\u4e0a\u306e\u30c8\u30e9\u30af\u30bf\u30fc\u3084\u3001\u5927\u578b\u6728\u6750\u30c1\u30c3\u30d1\u30fc\u3001\u9ad8\u51fa\u529b\u5806\u80a5\u652a\u62cc\u6a5f\u3001\u9ad8\u8ca0\u8377\u767a\u96fb\u6a5f\u99c6\u52d5\u88c5\u7f6e\u306a\u3069\u3001\u6975\u3081\u3066\u9ad8\u3044\u30c8\u30eb\u30af\u3092\u5fc5\u8981\u3068\u3059\u308b\u7523\u696d\u6a5f\u5668\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u97d3\u56fd\u306e\u8fb2\u696d\u7528\u9014\u306e\u307b\u3068\u3093\u3069\u306f\u3001S6\uff5eS10\u306e\u7bc4\u56f2\u306b\u53ce\u307e\u308a\u307e\u3059\u3002<\/p>\n
S\u30b7\u30ea\u30fc\u30ba\u306e\u30b9\u30bf\u30fc\u30c1\u30e5\u30fc\u30d6\u306f\u3001\u30ec\u30e2\u30f3\u578b\u3084\u4e09\u89d2\u5f62\u578b\u3068\u540c\u3058\u304f\u3089\u3044\u30b9\u30e0\u30fc\u30ba\u306b\u4f38\u7e2e\u3057\u307e\u3059\u304b\uff1f<\/strong><\/p>\n\u30b9\u30bf\u30fc\u578b\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30ed\u30fc\u30d6\u9593\u306e\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u304c\u72ed\u3044\u305f\u3081\u3001\u4f38\u7e2e\u52d5\u4f5c\u306f\u30ec\u30e2\u30f3\u578b\u30c1\u30e5\u30fc\u30d6\u3088\u308a\u3082\u3084\u3084\u786c\u304f\u611f\u3058\u3089\u308c\u307e\u3059\u3002S\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30bf\u30fc\u30c1\u30e5\u30fc\u30d6\u306e\u30b9\u30e0\u30fc\u30ba\u306a\u52d5\u4f5c\u3092\u7dad\u6301\u3059\u308b\u306b\u306f\u3001\u30aa\u30fc\u30d0\u30fc\u30e9\u30c3\u30d7\u30be\u30fc\u30f3\u3078\u306e\u5b9a\u671f\u7684\u306a\u30b0\u30ea\u30fc\u30b9\u5857\u5e03\uff0850\u6642\u9593\u3054\u3068\uff09\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n
\u4f5c\u696d\u6a5f\u306e\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u3001\u6469\u64e6\u30af\u30e9\u30c3\u30c1\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/p>\nS\u30b7\u30ea\u30fc\u30ba\u7528\u9014\u306b\u5f37\u304f\u63a8\u5968\u3057\u307e\u3059\u3002SFF\u6469\u64e6\u30af\u30e9\u30c3\u30c1\u3068SB\u305b\u3093\u65ad\u30dc\u30eb\u30c8\u306f\u3001\u3044\u305a\u308c\u3082\u5de5\u5834\u51fa\u8377\u6642\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u8ffd\u52a0\u53ef\u80fd\u3067\u3059\u3002\u6797\u696d\u3084\u81ea\u6cbb\u4f53\u7528\u9014\u3067\u306f\u3001\u8d70\u884c\u30a4\u30d9\u30f3\u30c8\u3054\u3068\u306b\u81ea\u52d5\u7684\u306b\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u308b\u6469\u64e6\u30af\u30e9\u30c3\u30c1\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n
S\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30bf\u30fc\u30c1\u30e5\u30fc\u30d6\u306f\u3001\u30a6\u30a9\u30eb\u30bf\u30fc\u30b7\u30e3\u30a4\u30c9\u793e\u88fd\u307e\u305f\u306f\u30dc\u30f3\u30c7\u30a3\u30aa\u30ea\u793e\u88fd\u306e\u9ad8\u8010\u4e45\u30b7\u30e3\u30d5\u30c8\u3068\u6bd4\u3079\u3066\u3069\u3046\u3067\u3059\u304b\uff1f<\/strong><\/p>\n\u5f53\u793e\u306eS\u30b7\u30ea\u30fc\u30ba\u306f\u3001\u540c\u7b49\u306eWalterscheid W\u30b7\u30ea\u30fc\u30ba\u304a\u3088\u3073Bondioli B\u30b7\u30ea\u30fc\u30ba\u30e2\u30c7\u30eb\u3068\u5bf8\u6cd5\u304a\u3088\u3073\u30c8\u30eb\u30af\u4ed5\u69d8\u304c\u4e00\u81f4\u3057\u3066\u304a\u308a\u3001\u4fa1\u683c\u306f30\uff5e45%\u4f4e\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30af\u30ed\u30b9\u30d9\u30a2\u30ea\u30f3\u30b0\u30ad\u30c3\u30c8\u3068\u30c1\u30e5\u30fc\u30d6\u5bf8\u6cd5\u306f\u3001\u30e8\u30fc\u30ed\u30c3\u30d1\u306e\u30aa\u30ea\u30b8\u30ca\u30eb\u88fd\u54c1\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6750\u8cea\u30b0\u30ec\u30fc\u30c9\u3068\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u3082\u540c\u7b49\u3067\u3059\u3002<\/p>\n
S\u30b7\u30ea\u30fc\u30ba\u306e\u30b9\u30bf\u30fc\u30c1\u30e5\u30fc\u30d6\u30b7\u30e3\u30d5\u30c8\u7528\u306e\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u30b9\u30d7\u30e9\u30a4\u30f3\u30e8\u30fc\u30af\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/strong><\/p>\nYes. All spline configurations (inch and metric) are available across all S-series models. At this HP level, the 1-3\/4″ Z6 and 1-3\/4″ Z20 splines are the most common, along with metric 8-48*42*8 for larger Japanese industrial tractors.<\/p>\n
\u304a\u5ba2\u69d8\u306e\u58f0<\/h2>\n
\n
\u30ab\u30f3\u30fb\u30b8\u30e5\u30f3\u30d2\u30e7\u30af\u3001\u6797\u696d\u8acb\u8ca0\u696d\u8005\u3001\u6c5f\u539f\u9053\uff082025\u5e74\u6625\uff09<\/span><\/p>\n“S8 star shaft on a 120 HP tractor driving a forestry mulcher. We clear mountain land for development and hit everything from pine stumps to buried rocks. The shaft handles it. The SFF friction clutch has saved the mulcher gearbox multiple times. After five months of hard use, the star tubes still telescope clean.”<\/p>\n
\n\u30a4\u30e0\u30fb\u30bb\u30d5\u30a1\u30f3\u3001\u5fe0\u6e05\u5317\u9053\u9053\u8def\u5c40\uff082024\u5e74\u51ac\uff09<\/span><\/p>\n“We run S7 shafts with friction clutches on our snow blower fleet. Last winter was heavy, and the shafts held up through the entire season without a single cross-bearing replacement. Previous supplier’s T-series shafts needed bearing swaps every few weeks.”<\/p>\n
\n\u30aa\u30fb\u30df\u30f3\u30bd\u30af\u3001\u30ed\u30fc\u30bf\u30ea\u30fc\u30ab\u30c3\u30bf\u30fc\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u3001\u6176\u5c1a\u5357\u9053\uff082024\u5e74\u5f8c\u534a\uff09<\/span><\/p>\n“2.1 meter rotary cutter on a 95 HP tractor. The S6 star shaft is the right match. Handles thick brush and saplings without hesitation. I ran a T6 before and it was always borderline. Moving to the star profile eliminated the vibration I used to get in heavy cutting.”<\/p>\n
\n\u30a4\u30fb\u30c1\u30e3\u30f3\u30db\u3001\u30a6\u30c3\u30c9\u30c1\u30c3\u30d1\u30fc\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u3001\u5168\u7f85\u5357\u9053\uff082024\u5e74\u534a\u3070\uff09<\/span><\/p>\n“Industrial wood chipper processing logging waste. S10 star shaft handles the big diameter logs without complaint. The torque capacity is clearly above what we’re demanding from it. Cross-bearings are holding up after eight months of daily chipping.”<\/p>\n
\n\u30c1\u30a7\u30fb\u30a6\u30a9\u30f3\u30db\u3001\u91cd\u6a5f\u8ca9\u58f2\u696d\u8005\u3001\u5927\u90b1\uff082024\u5e74\u79cb\uff09<\/span><\/p>\n“S-series is what I recommend for any customer running above 80 HP on heavy implements. The star tube is simply stronger than triangular at these torque levels. Pricing from Ever-Power is competitive with Bondioli and well below Walterscheid dealer pricing. Quality matches both.”<\/p>\n
\u68b1\u5305\u3068\u767a\u9001<\/h2>\n![\"\u68b1\u5305\u3068\u767a\u9001\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/packing-and-shipping-1.webp\" "\\"\\"")
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![\"T\u30b7\u30ea\u30fc\u30baPTO\u99c6\u52d5\u30b7\u30e3\u30d5\u30c8-1\uff081\uff09\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/T-Series-PTO-Drive-Shaft-1-1.webp\" "\\"\\"")
<\/p>\n![\"S\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30bf\u30fc\u30bf\u30d6\u8a73\u7d30-1\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/S-Series-PTO-Shaft-Star-Tub-detail-1.webp\" "\\"\\"")
<\/p>\n![\"S\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30bf\u30fc\u30bf\u30d6\u30d1\u30e9\u30e1\u30fc\u30bf-1\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/S-Series-PTO-Shaft-Star-Tub-parameter-1.webp\" "\\"\\"")
<\/p>\n![\"\u30c8\u30e9\u30af\u30bf\u30fc\u306ePTO\u30b7\u30e3\u30d5\u30c8\u306e\u52d5\u4f5c\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/pto-shaft-application-1.webp\" "\\"\\"")
<\/div>\n![\"\u4f38\u7e2e\u5f0fPTO\u30b7\u30e3\u30d5\u30c8\u8a2d\u8a08\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/pto-shaft-structure-2.webp\" "\\"\\"")
<\/div>\n![\"S\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30bf\u30fc\u30bf\u30d6\u30bf\u30a4\u30d71\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/S-Series-PTO-Shaft-Star-Tub-type-1.webp\" "\\"\\"")
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