{"id":2425,"date":"2026-01-26T08:07:28","date_gmt":"2026-01-26T08:07:28","guid":{"rendered":"https:\/\/tractorptoshaft.net\/?post_type=product&p=2425"},"modified":"2026-01-26T09:00:49","modified_gmt":"2026-01-26T09:00:49","slug":"adjustable-pto-shaft-for-compact-tractors","status":"publish","type":"product","link":"https:\/\/tractorptoshaft.net\/ja\/product\/\u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u7528\u8abf\u6574\u5f0fpto\u30b7\u30e3\u30d5\u30c8\/","title":{"rendered":"\u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u7528\u8abf\u6574\u5f0fPTO\u30b7\u30e3\u30d5\u30c8"},"content":{"rendered":"
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\n

Let\u2019s be honest for a second. In our 18 years of working with agricultural drivelines\u2014from the massive articulated beasts used in the American Midwest to the specialized bulb-harvesting machinery here in the Netherlands\u2014the most common failure we see isn’t on the big 300HP machines. It\u2019s on the compact tractors. You know the ones: the Kubotas, the Isekis, the New Holland Boomers that maintain our parks, sports fields, and smallholdings. The problem isn’t the tractor; it\u2019s the geometry. When you hook up a rotary tiller or a flail mower to a compact tractor, the distance between the PTO stub and the implement input is incredibly short. If you buy a standard “off-the-shelf” shaft, it\u2019s almost guaranteed to be too long. That is why the \u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u7528\u8abf\u6574\u5f0fPTO\u30b7\u30e3\u30d5\u30c8<\/strong> isn’t just a luxury; it is a mechanical necessity.<\/p>\n

\"\u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u7528\u8abf\u6574\u5f0fPTO\u30b7\u30e3\u30d5\u30c8\u306e\u5206\u89e3\u56f3\"<\/p>\n

We\u2019ve seen it happen more times than I care to count. A customer buys a standard Series 4 shaft, forces it onto the splines, and thinks, “It fits.” Then, the moment they lift the 3-point hitch, the geometry changes, the shaft bottoms out (compresses fully), and \u30d0\u30f3<\/em>\u2014you\u2019ve just cracked your tractor\u2019s PTO housing or blown out the implement\u2019s gearbox bearings. The “Adjustable” nature of our shafts means they are designed with specific telescoping profiles that allow for easy cutting and resizing without compromising the structural integrity of the tubes. At \u30a8\u30d0\u30fc\u30d1\u30ef\u30fc<\/a>, we engineer these shafts with a “cut-to-length” philosophy because we know that in the world of compact tractors, there is no such thing as a standard length.<\/p>\n

\u307b\u3068\u3093\u3069\u306e\u5370\u5237\u696d\u8005\uff08\u30ab\u30bf\u30ed\u30b0\u30e1\u30fc\u30ab\u30fc\uff09\u306f\u3001\u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u64cd\u4f5c\u89d2\u5ea6\u304c\u5927\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u3088\u308a\u3082\u6025\u6fc0\u306b\u5909\u5316\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3068\u3044\u3046\u3053\u3068\u3092\u8a8d\u8b58\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u30ea\u30f3\u30af\u30a2\u30fc\u30e0\u304c\u77ed\u3044\u305f\u3081\u3001\u4f5c\u696d\u6a5f\u3092\u6301\u3061\u4e0a\u3052\u308b\u969b\u306b\u89d2\u5ea6\u304c\u6025\u6fc0\u306b\u5909\u5316\u3057\u307e\u3059\u3002\u8abf\u6574\u53ef\u80fd\u306a\u30b7\u30e3\u30d5\u30c8\u306f\u3001\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u30b8\u30e7\u30a4\u30f3\u30c8\u304c\u56fa\u7740\uff08\u30ac\u30bf\u3064\u304d\uff09\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u3053\u308c\u3089\u306e\u89d2\u5ea6\u5909\u5316\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n

\u91cd\u8981\u306a\u30ea\u30f3\u30af\uff1a\u30b3\u30f3\u30d1\u30af\u30c8\u30b7\u30e3\u30d5\u30c8\u3068\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u306e\u30da\u30a2\u30ea\u30f3\u30b0<\/h2>\n
\n

\u30d7\u30ed\u3068\u30a2\u30de\u30c1\u30e5\u30a2\u3092\u5206\u3051\u308b\u79d8\u8a23\u306f\u3053\u3053\u306b\u3042\u308a\u307e\u3059\u3002\u30b7\u30e3\u30d5\u30c8\u306f\u6226\u3044\u306e\u534a\u5206\u306b\u904e\u304e\u307e\u305b\u3093\u3002 \u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u7528\u8abf\u6574\u5f0fPTO\u30b7\u30e3\u30d5\u30c8<\/strong> to the perfect length, but if the gearbox on your finish mower or tiller isn’t up to scratch, you are going to have vibration issues. The gearbox input shaft height on compact implements is often lower to the ground, creating a steeper drive angle from the tractor.<\/p>\n

We strongly recommend checking the input shaft play on your implement’s \u8fb2\u696d\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9<\/a> \u65b0\u3057\u3044\u30b7\u30e3\u30d5\u30c8\u3092\u53d6\u308a\u4ed8\u3051\u308b\u524d\u306b\u3001\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u306e\u30d9\u30a2\u30ea\u30f3\u30b0\u304c\u6469\u8017\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6469\u8017\u3057\u305f\u65b0\u3057\u3044\u30b7\u30e3\u30d5\u30c8\u306f\u3001\u305d\u306e\u5f31\u70b9\u3092\u898b\u3064\u3051\u3066\u5229\u7528\u3057\u3001\u30b7\u30fc\u30eb\u306e\u7834\u640d\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u5f53\u793e\u3067\u306f\u3001\u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u7528\u9014\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u6a2a\u65b9\u5411\u306e\u8377\u91cd\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u3001\u5165\u529b\u30d9\u30a2\u30ea\u30f3\u30b0\u3092\u5f37\u5316\u3057\u305f\u8a2d\u8a08\u306e\u9069\u5408\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u30b7\u30e3\u30d5\u30c8\u3068\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\u306e\u5bf8\u6cd5\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u5834\u5408\uff08\u7279\u306b\u30ed\u30c3\u30af\u6e9d\u306e\u4f4d\u7f6e\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u5834\u5408\uff09\u3001\u52d5\u529b\u4f1d\u9054\u306f\u30b9\u30e0\u30fc\u30ba\u3067\u9759\u304b\u3067\u3001\u632f\u52d5\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\n
\"\u30b7\u30ea\u30fc\u30ba2\u30b7\u30e3\u30d5\u30c8\u306b\u5bfe\u5fdc\u3057\u305f\u5c0f\u578b\u8fb2\u696d\u7528\u30ae\u30a2\u30dc\u30c3\u30af\u30b9\"<\/div>\n
\n

(I once spent three hours diagnosing a “bent shaft” only to realize the gearbox input shaft was wobbling by 3mm. Check your gearboxes first!)<\/p>\n<\/div>\n<\/div>\n<\/div>\n

Case Study: The “Weekend Warrior” in Brabant<\/h2>\n
\n

\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff1a<\/strong> \u30f4\u30a1\u30f3\u30fb\u30c7\u30f3\u30fb\u30d9\u30eb\u30af\u9020\u5712<\/em>\u5317\u30d6\u30e9\u30d0\u30f3\u30c8\u5dde\u30c6\u30a3\u30eb\u30d6\u30eb\u30d5\u8fd1\u90ca\u306b\u3042\u308b\u3001\u5bb6\u65cf\u7d4c\u55b6\u306e\u5c0f\u3055\u306a\u4f1a\u793e\u3002<\/p>\n

\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\uff1a<\/strong> \u5f7c\u3089\u306f\u3001\u500b\u4eba\u5b85\u306e\u5ead\u3084\u5c0f\u898f\u6a21\u306a\u5e02\u55b6\u516c\u5712\u306e\u624b\u5165\u308c\u306b\u3001\u30af\u30dc\u30bfB\u30b7\u30ea\u30fc\u30ba\u30c8\u30e9\u30af\u30bf\u30fc\uff08\u7d0424\u99ac\u529b\uff09\u30923\u53f0\u6240\u6709\u3057\u3066\u3044\u308b\u3002\u4f5c\u696d\u306b\u306f\u30011.2m\u5e45\u306e\u30d5\u30ec\u30a4\u30eb\u30e2\u30a2\u3068\u30ed\u30fc\u30bf\u30ea\u30fc\u30c6\u30a3\u30e9\u30fc\u3092\u983b\u7e41\u306b\u5207\u308a\u66ff\u3048\u3066\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002<\/p>\n

\u554f\u984c\uff1a<\/strong> They purchased a generic “one-size-fits-all” PTO shaft from an online general store. The shaft was too long for the tiller. The operator, in a rush to beat the rain, forced it on. When he raised the tiller at the end of a row, the shaft bottomed out. The force was transmitted directly into the tractor’s rear differential housing, cracking the casting. Repairs cost over \u20ac2,500.<\/p>\n

\u79c1\u305f\u3061\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3:<\/strong> \u79c1\u305f\u3061\u306f\u5f7c\u3089\u306b\u79c1\u305f\u3061\u306e \u30b7\u30ea\u30fc\u30ba2 \u30b3\u30f3\u30d1\u30af\u30c8\u30c8\u30e9\u30af\u30bf\u30fc\u7528\u8abf\u6574\u5f0fPTO\u30b7\u30e3\u30d5\u30c8<\/strong>. We provided a simple cutting guide (which I’ll share below) and taught them how to measure the “compressed length” correctly. We also equipped the shafts with shear bolts to protect the drivetrain from sudden stops when hitting hidden roots.<\/p>\n

\u7d50\u679c\uff1a<\/strong> Since standardizing their fleet with our adjustable shafts, they haven’t had a single driveline failure. They now keep a spare “uncut” shaft in the workshop, which they can cut to length in 15 minutes for any new implement they buy. Reliability is key when you are billing by the hour.<\/p>\n<\/div>\n

\"PTO\u30b7\u30e3\u30d5\u30c8\u7d44\u7acb\u30e9\u30a4\u30f3\"
\n\"\u8abf\u6574\u53ef\u80fd\u306a\u30b7\u30e3\u30d5\u30c8\u306f\u51fa\u8377\u6e96\u5099\u5b8c\u4e86\u3067\u3059\u3002\"<\/div>\n

\u5185\u90e8\u69cb\u9020\uff1a\u30b3\u30f3\u30d1\u30af\u30c8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6280\u8853\u4ed5\u69d8<\/h2>\n
\n

\u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u30b7\u30e3\u30d5\u30c8\u306b\u3064\u3044\u3066\u8a71\u3059\u5834\u5408\u3001\u901a\u5e38\u306f\u30b7\u30ea\u30fc\u30ba1\u3001\u30b7\u30ea\u30fc\u30ba2\u3001\u307e\u305f\u306f\uff0840\u99ac\u529b\u4ee5\u4e0a\u306e\u5927\u578b\u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u5834\u5408\u306f\uff09\u30b7\u30ea\u30fc\u30ba4\u3092\u6307\u3057\u307e\u3059\u3002\u539f\u7406\u306f\u5358\u7d14\u3067\u3059\u3002\u306d\u3058\u308a\u5f37\u5ea6\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u8584\u8089\u5316\uff08\u8efd\u91cf\u5316\u306e\u305f\u3081\uff09\u304c\u53ef\u80fd\u306a\u9ad8\u54c1\u8cea\u92fc\u6750\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u5f53\u793e\u3067\u306f\u3001\u71b1\u9593\u5727\u5ef6\u92fc\u3088\u308a\u3082\u6ed1\u3089\u304b\u306b\u30b9\u30e9\u30a4\u30c9\u3059\u308b\u51b7\u9593\u5f15\u629c\u304d\u92fc\u7ba1\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u72b6\u614b\u3067\u30b7\u30e3\u30d5\u30c8\u304c\u4f38\u7e2e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n

\u30e8\u30fc\u30af\u306e\u6750\u8cea\u306f20CrMnTi\u935b\u9020\u92fc\u3067\u3059\u3002\u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u99ac\u529b\u306f\u4f4e\u3044\u3082\u306e\u306e\u3001\u30a8\u30f3\u30b8\u30f3\u306e\u30d5\u30e9\u30a4\u30db\u30a4\u30fc\u30eb\u304c\u5c0f\u3055\u304f\u53cd\u5fdc\u304c\u901f\u3044\u305f\u3081\u3001\u30c8\u30eb\u30af\u306e\u6025\u6fc0\u306a\u5909\u5316\u306f\u8d77\u3053\u308a\u5f97\u307e\u3059\u3002<\/p>\n

\n\n\n\n\n\n\n\n
\u30b7\u30ea\u30fc\u30ba<\/th>\n\u30af\u30ed\u30b9\u30ad\u30c3\u30c8\u306e\u30b5\u30a4\u30ba\uff08mm\uff09<\/th>\n\u30c1\u30e5\u30fc\u30d6\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/th>\n\u6700\u5927\u51fa\u529b\uff08540\u56de\u8ee2\/\u5206\uff09<\/th>\n\u30b9\u30c8\u30c3\u30af\u9577\u3055\uff08\u672a\u30ab\u30c3\u30c8\uff09<\/th>\n<\/tr>\n<\/thead>\n
\u30b7\u30ea\u30fc\u30ba1\uff08L1\uff09<\/strong><\/td>\n22.0 x 54.0<\/td>\n\u4e09\u89d2\u5f62\uff0f\u30ec\u30e2\u30f3<\/td>\n16\u99ac\u529b<\/td>\n800mm – 1000mm<\/td>\n<\/tr>\n
\u30b7\u30ea\u30fc\u30ba2\uff08\u30ec\u30d9\u30eb2\uff09<\/strong><\/td>\n23.8 x 61.3<\/td>\n\u4e09\u89d2\u5f62\uff0f\u30ec\u30e2\u30f3<\/td>\n21\u99ac\u529b<\/td>\n800mm – 1200mm<\/td>\n<\/tr>\n
\u30b7\u30ea\u30fc\u30ba4\uff08L4\uff09<\/strong><\/td>\n27.0 x 74.6<\/td>\n\u4e09\u89d2\u5f62\uff0f\u30ec\u30e2\u30f3<\/td>\n35\u99ac\u529b<\/td>\n800mm – 1200mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

*Note: Lengths listed are “compressed.” All shafts can and should be cut down to fit.<\/p>\n<\/div>\n

\u30d6\u30e9\u30f3\u30c9\u6bd4\u8f03\uff1a\u540c\u3058\u92fc\u6750\u306b\u9ad8\u3044\u304a\u91d1\u3092\u6255\u3046\u7406\u7531\u306f\uff1f<\/h2>\n
\n

\u30aa\u30e9\u30f3\u30c0\u5e02\u5834\u3067\u306f\u3001\u304a\u5ba2\u69d8\u304c\u5f53\u793e\u306e\u30b7\u30e3\u30d5\u30c8\u3092\u30af\u30dc\u30bf\u3084\u30b8\u30e7\u30f3\u30c7\u30a3\u30a2\u306e\u7d14\u6b63\u90e8\u54c1\u3068\u6bd4\u8f03\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u7d14\u6b63\u30b7\u30e3\u30d5\u30c8\u306f\u7d20\u6674\u3089\u3057\u3044\u306e\u3067\u3059\u304c\u3001\u4fa1\u683c\u306f3\u500d\u30014\u500d\u3082\u3057\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u7bb1\u304b\u3089\u51fa\u3057\u305f\u77ac\u9593\u304b\u3089\u30ac\u30bf\u30ac\u30bf\u3068\u97f3\u3092\u7acb\u3066\u308b\u8d85\u5b89\u4fa1\u306a\u8f38\u5165\u54c1\u3082\u3042\u308a\u307e\u3059\u3002 \u5c0f\u578b\u30c8\u30e9\u30af\u30bf\u30fc\u7528\u8abf\u6574\u5f0fPTO\u30b7\u30e3\u30d5\u30c8<\/strong> Ever-Power\u306e\u88fd\u54c1\u306f\u3001\u307e\u3055\u306b\u7406\u60f3\u7684\u306a\u4f4d\u7f6e\u3065\u3051\u306b\u3042\u308b\u3002\u7d14\u6b63\u4ed5\u69d8\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u30b0\u30ea\u30fc\u30f3\u3084\u30aa\u30ec\u30f3\u30b8\u306e\u5857\u88c5\u306b\u3088\u308b\u30b3\u30b9\u30c8\u5897\u304c\u306a\u3044\u306e\u3060\u3002<\/p>\n

\n\n\n\n\n\n\n\n\n
\u7279\u5fb4<\/th>\nOEM\uff08\u30c8\u30e9\u30af\u30bf\u30fc\u30d6\u30e9\u30f3\u30c9\uff09<\/th>\n\u683c\u5b89\u30aa\u30f3\u30e9\u30a4\u30f3\u8f38\u5165<\/th>\n\u30a8\u30d0\u30fc\u30d1\u30ef\u30fc\u8abf\u6574\u53ef\u80fd<\/th>\n<\/tr>\n<\/thead>\n
\u30c1\u30e5\u30fc\u30d6\u306e\u6ed1\u3089\u304b\u3055<\/strong><\/td>\n\u7d20\u6674\u3089\u3057\u3044<\/td>\n\u4e0d\u826f\uff08\u7c21\u5358\u306b\u304f\u3063\u3064\u304f\uff09<\/td>\n\u512a\u826f\u54c1\uff08\u51b7\u9593\u5f15\u629c\u304d\uff09<\/strong><\/td>\n<\/tr>\n
\u5207\u65ad\u5bb9\u6613\u6027<\/strong><\/td>\n\u6a19\u6e96<\/td>\n\u96e3\u3057\u3044\uff08\u58c1\u306e\u5f62\u72b6\u304c\u4e00\u5b9a\u3057\u306a\u3044\uff09<\/td>\n\u5207\u65ad\u306b\u6700\u9069\u5316<\/strong><\/td>\n<\/tr>\n
\u5b89\u5168\u30ac\u30fc\u30c9<\/strong><\/td>\nCE\u30de\u30fc\u30af\u306b\u5b8c\u5168\u6e96\u62e0<\/td>\n\u3057\u3070\u3057\u3070\u6cd5\u4ee4\u3092\u9075\u5b88\u3057\u306a\u3044<\/td>\nCE\u30de\u30fc\u30af\u306b\u5b8c\u5168\u6e96\u62e0<\/strong><\/td>\n<\/tr>\n
\u4fa1\u683c<\/strong><\/td>\n$$$$$<\/td>\n$<\/td>\n$$<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u79c1\u305f\u3061\u306f\u4e92\u63db\u6027\u3092\u91cd\u8996\u3057\u3066\u3044\u307e\u3059\u3002 \u79c1\u305f\u3061\u306b\u3064\u3044\u3066<\/a> \u5f53\u793e\u306e\u7d44\u7acb\u30e9\u30a4\u30f3\u306b\u304a\u3051\u308b\u53b3\u683c\u306a\u54c1\u8cea\u7ba1\u7406\u4f53\u5236\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u306e\u30da\u30fc\u30b8\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n

\u3053\u308c\u3089\u306e\u30b7\u30e3\u30d5\u30c8\u306f\u3069\u3053\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h2>\n
\n