![\"PTO\u30b7\u30e3\u30d5\u30c8\u88fd\u9020\u8a2d\u5099\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/pto-shaft-factory-3-1.webp\" "\\"\\"")
<\/div>\n
\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n
What’s the practical difference between a G-series spline tube and an S-series star tube?<\/strong><\/p>\n\u30b9\u30bf\u30fc\u30c1\u30e5\u30fc\u30d6\u306b\u306f6\uff5e8\u500b\u306e\u6210\u5f62\u3055\u308c\u305f\u30ed\u30fc\u30d6\u304c\u3042\u308a\u307e\u3059\u304c\u3001G\u30b7\u30ea\u30fc\u30ba\u306e\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u306b\u306f\u3001\u6b6f\u8eca\u306e\u3088\u3046\u306b\u565b\u307f\u5408\u3046\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c8\u6b6f\u304c\u591a\u6570\u3042\u308a\u307e\u3059\u3002\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u306f\u30d0\u30c3\u30af\u30e9\u30c3\u30b7\u30e5\u304c\u306a\u304f\u3001\u306d\u3058\u308a\u525b\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u30b9\u30bf\u30fc\u30c1\u30e5\u30fc\u30d6\u306f\u7570\u7269\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u9ad8\u304f\u3001\u73fe\u5834\u3067\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u5bb9\u6613\u3067\u3059\u3002\u4e00\u822c\u7684\u306a\u8fb2\u696d\u7528\u9014\u306b\u306f\u30b9\u30bf\u30fc\u30c1\u30e5\u30fc\u30d6\u3067\u5341\u5206\u3067\u3059\u3002\u7cbe\u5bc6\u306a\u4f5c\u696d\u3084\u7523\u696d\u7528PTO\u4f5c\u696d\u306b\u306f\u3001G\u30b7\u30ea\u30fc\u30ba\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
G\u30b7\u30ea\u30fc\u30ba\u306ePTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u3092\u6a19\u6e96\u7684\u306a\u8fb2\u696d\u7528\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/p>\nYes, but it’s typically over-specified for basic farm implements. The G-series costs more than T, L, or S-series equivalents. Unless your application specifically benefits from zero backlash or maximum torsional rigidity, a shaped-tube profile is more cost-effective.<\/p>\n
\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u306f\u3001\u4e09\u89d2\u5f62\u30c1\u30e5\u30fc\u30d6\u3084\u30ec\u30e2\u30f3\u578b\u30c1\u30e5\u30fc\u30d6\u3068\u306f\u7570\u306a\u308b\u6f64\u6ed1\u5264\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/strong><\/p>\n\u540c\u3058NLGI #2 EP\u30b0\u30ea\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u6b6f\u306e\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u304c\u72ed\u3044\u305f\u3081\u6c5a\u67d3\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u4f4e\u304f\u3001\u30b0\u30ea\u30fc\u30b9\u5857\u5e03\u983b\u5ea6\u3092\u9ad8\u304f\u3057\u307e\u3059\uff0850\u6642\u9593\u3054\u3068\u3067\u306f\u306a\u304f40\u6642\u9593\u3054\u3068\uff09\u3002\u518d\u30b0\u30ea\u30fc\u30b9\u5857\u5e03\u306e\u524d\u306b\u3001\u91cd\u306a\u308a\u90e8\u5206\u3092\u5fb9\u5e95\u7684\u306b\u6e05\u6383\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30d7\u30e9\u30a4\u30f3\u6b6f\u306e\u9593\u306b\u631f\u307e\u3063\u305f\u7570\u7269\u306f\u3001\u30aa\u30fc\u30d7\u30f3\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u30c1\u30e5\u30fc\u30d6\u3088\u308a\u3082\u6469\u8017\u3092\u52a0\u901f\u3055\u305b\u307e\u3059\u3002<\/p>\n
G\u30b7\u30ea\u30fc\u30ba\u306ePTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u306e\u5bf8\u6cd5\u306f\u3001\u30a6\u30a9\u30eb\u30bf\u30fc\u30b7\u30e3\u30a4\u30c9\u88fd\u307e\u305f\u306f\u30dc\u30f3\u30c7\u30a3\u30aa\u30ea\u88fd\u306e\u30b9\u30d7\u30e9\u30a4\u30f3\u30b7\u30e3\u30d5\u30c8\u3068\u4e92\u63db\u200b\u200b\u6027\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/strong><\/p>\n\u306f\u3044\u3002\u5f53\u793e\u306eG\u30b7\u30ea\u30fc\u30ba\u30c1\u30e5\u30fc\u30d6\u306f\u3001\u540c\u3058\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c8\u30b9\u30d7\u30e9\u30a4\u30f3\u898f\u683c\uff08DIN 5480 \/ ISO 4156\uff09\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u3059\u3002\u30c1\u30e5\u30fc\u30d6\u306e\u5916\u5f84\u3068\u6b6f\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u30e8\u30fc\u30ed\u30c3\u30d1\u898f\u683c\u3068\u540c\u7b49\u3067\u3042\u308a\u3001\u4f4e\u4fa1\u683c\u3067\u305d\u306e\u307e\u307e\u4ea4\u63db\u53ef\u80fd\u3067\u3059\u3002<\/p>\n
\u30b9\u30d7\u30e9\u30a4\u30f3\u306e\u6b6f\u304c\u6469\u8017\u3057\u305f\u3089\u3069\u3046\u306a\u308a\u307e\u3059\u304b\uff1f<\/strong><\/p>\nYou’ll notice rotational play developing between the inner and outer tubes, similar to gear backlash. Replace the tube pair. Unlike shaped profiles that can tolerate some wear before affecting performance, spline tubes should be replaced promptly once backlash appears because the precision benefit is lost.<\/p>\n
G\u30b7\u30ea\u30fc\u30ba\u306e\u30b9\u30d7\u30e9\u30a4\u30f3\u30b7\u30e3\u30d5\u30c8\u306b\u30c8\u30eb\u30af\u30ea\u30df\u30c3\u30bf\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><\/p>\n\u306f\u3044\u3002SA\u30e9\u30c1\u30a7\u30c3\u30c8\u3001SB\u305b\u3093\u65ad\u30dc\u30eb\u30c8\u3001SFF\u6469\u64e6\u30af\u30e9\u30c3\u30c1\u306e\u3044\u305a\u308c\u3082\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u7523\u696d\u7528\u30dd\u30f3\u30d7\u7528\u9014\u3067\u306f\u3001\u624b\u52d5\u64cd\u4f5c\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u81ea\u52d5\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u308bSFF\u6469\u64e6\u30af\u30e9\u30c3\u30c1\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n
\u304a\u5ba2\u69d8\u306e\u58f0<\/h2>\n
\n
\u30bd\u30fb\u30d2\u30e7\u30f3\u30a6\u3001\u6cb9\u5727\u30dd\u30f3\u30d7\u8a2d\u7f6e\u696d\u8005\u3001\u4eac\u757f\u9053\uff082025\u5e74\u6625\uff09<\/span><\/p>\n“G6 spline shaft driving a PTO hydraulic pump on a 90 HP tractor for an irrigation system. The zero-backlash connection eliminated the pressure pulsation we had with the old star-tube shaft. Flow consistency improved noticeably. Exactly what we needed for this application.”<\/p>\n
\n\u30ad\u30e0\u30fb\u30c6\u30a6\u30a9\u30f3\u3001\u767a\u96fb\u6a5f\u30b5\u30fc\u30d3\u30b9\u4f1a\u793e\u3001\u91dc\u5c71\uff082024\u5e74\u5f8c\u534a\uff09<\/span><\/p>\n“We supply PTO generator sets for emergency power at construction sites. The G5 spline shaft gives stable RPM transfer that keeps the generator frequency within tolerance. Previous shafts with lemon tubes caused frequency drift at partial load. The G-series fixed it.”<\/p>\n
\n\u30ea\u30e5\u30fb\u30c9\u30f3\u30ae\u30e5\u3001\u8239\u8236\u6a5f\u5668\u8ca9\u58f2\u696d\u8005\u3001\u4ec1\u5ddd\uff082025\u5e74\u521d\u982d\uff09<\/span><\/p>\n“Marine PTO applications require tight tolerances because saltwater corrosion eats into clearances fast. The G-series spline starts with essentially zero clearance, so it takes much longer for corrosion to create problems. We’ve standardized on G4 and G6 for our fishing vessel auxiliary drives.”<\/p>\n
\n\u30da\u30af\u30fb\u30b8\u30d5\u30f3\u3001\u5de5\u696d\u7528\u30df\u30ad\u30b5\u30fc\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u3001\u5fe0\u6e05\u5317\u9053\uff082024\u5e74\u534a\u3070\uff09<\/span><\/p>\n“PTO-powered compost mixer running 8 hours a day. The G5 spline tube handles the constant torque reversals when the mixing paddles cycle through the material. After six months of daily use, no detectable backlash. The spline teeth still look clean and unworn.”<\/p>\n
\n\u30c1\u30e7\u30fb\u30df\u30f3\u30bd\u3001\u91cd\u6a5f\u8ca9\u58f2\u5e97\u3001\u5927\u7530\uff082024\u5e74\u79cb\uff09<\/span><\/p>\n“I stock the G-series for industrial customers alongside the T and S-series for farm use. The G-series moves slower because it’s a niche product, but every customer who buys it knows exactly why they need it. Zero complaints, zero returns. The price undercuts Walterscheid equivalents by about 35%.”<\/p>\n
\u88fd\u54c1\u30ae\u30e3\u30e9\u30ea\u30fc<\/h2>\n\n
![\"PTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\"](\"https:\/\/hzpt.com\/wp-content\/uploads\/2022\/05\/ep_S-series-pto-shaft-2.webp\" "\\"\\"")
<\/div>\n
![\"\u30c8\u30e9\u30af\u30bf\u30fc\u3078\u306ePTO\u30b7\u30e3\u30d5\u30c8\u306e\u53d6\u308a\u4ed8\u3051\"](\"https:\/\/hzpt.com\/wp-content\/uploads\/2023\/04\/How-to-Attach-a-PTO-Shaft-to-a-Tractor.webp\" "\\"\\"")
<\/div>\n<\/div>\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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G\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u306f\u3001\u30de\u30eb\u30c1\u30b9\u30d7\u30e9\u30a4\u30f3\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c8\u30c1\u30e5\u30fc\u30d6\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u63a1\u7528\u3057\u3001\u30d0\u30c3\u30af\u30e9\u30c3\u30b7\u30e5\u30bc\u30ed\u3067\u6700\u5927\u306e\u30c8\u30eb\u30af\u4f1d\u9054\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002G2\u304b\u3089G50\u307e\u3067\u306e\u30e2\u30c7\u30eb\u306f\u3001220Nm\u304b\u30891450Nm\u3092\u8d85\u3048\u308b\u30c8\u30eb\u30af\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u7523\u696d\u7528\u30dd\u30f3\u30d7\u3001\u767a\u96fb\u6a5f\u99c6\u52d5\u88c5\u7f6e\u3001\u8239\u8236\u6a5f\u5668\u3001\u5927\u578b\u8fb2\u696d\u6a5f\u68b0\u306a\u3069\u3001\u6700\u9ad8\u306e\u306d\u3058\u308a\u525b\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u7528\u9014\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u935b\u902040Cr\u30e8\u30fc\u30af\u3001\u51b7\u9593\u5f15\u629c\u304d\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u3001CE\/ISO\/TS\u8a8d\u8a3c\u53d6\u5f97\u6e08\u307f\u3002<\/p>","protected":false},"featured_media":1157,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[5413],"product_tag":[],"class_list":{"0":"post-1165","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pto-shaft","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/product\/1165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/comments?post=1165"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/media\/1157"}],"wp:attachment":[{"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/media?parent=1165"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/product_brand?post=1165"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/product_cat?post=1165"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ptoshaft.supplies\/ja\/wp-json\/wp\/v2\/product_tag?post=1165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"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![\"G\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u30d1\u30e9\u30e1\u30fc\u30bf-1\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/G-Series-PTO-Shaft-Spline-Tube-parameter-1.webp\" "\\"\\"")
<\/p>\n![\"PTO\u30b7\u30e3\u30d5\u30c8\u5185\u90e8\u69cb\u9020\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/pto-shaft-structure-1.webp\" "\\"\\"")
<\/div>\n![\"G\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u8a73\u7d30-1\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/G-Series-PTO-Shaft-Spline-Tube-detail-1.webp\" "\\"\\"")
<\/div>\n![\"\u8fb2\u696d\u7528PTO\u30b7\u30e3\u30d5\u30c8\u4f5c\u52d5\u4e2d\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/pto-shaft-application-2.webp\" "\\"\\"")
<\/div>\n![\"G\u30b7\u30ea\u30fc\u30baPTO\u30b7\u30e3\u30d5\u30c8\u30b9\u30d7\u30e9\u30a4\u30f3\u30c1\u30e5\u30fc\u30d6\u8a73\u7d30-2\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/G-Series-PTO-Shaft-Spline-Tube-detail-2.webp\" "\\"\\"")
<\/div>\n![\"\u8fb2\u696d\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"](\"https:\/\/ptoshaft.supplies\/wp-content\/uploads\/2026\/03\/agricultural-gearbox-4.webp\" "\\"\\"")
<\/div>\n