PTO Shaft for Diggers – Reliable Power Where It Matters
The digger is a workhorse of modern farming, and its productivity depends entirely on the integrity of the PTO shaft connecting it to the tractor. Our digger PTO drive shaft is engineered for the specific torque, speed, and articulation demands of excavation and earth-moving. With heat-treated components and precision-balanced joints, it delivers trouble-free operation across thousands of hectares.

Technical Specifications – Diggers PTO Shaft
| Parameter | Spesifikasi / Rentang yang Dapat Disesuaikan |
|---|---|
| Aplikasi | Diggers |
| Rekomendasi Tenaga Kuda Traktor | 80–350 HP |
| Kecepatan PTO | 1000 rpm |
| Torsi Kontinu Maksimum | 800–2500 Nm |
| Kapasitas Torsi Puncak | 3750 Nm |
| Seri Poros | T5 / L5 (Tugas berat) / T6 / L6 (Tugas super berat) / T7 / L7 (Tugas ultra berat) |
| Yoke Material | Forged steel (40Cr) |
| Profil Tabung | Splined profile or Square profile |
| Kekerasan Spline | HRC 55-60 |
| Jenis Bantalan Sambungan U | Greased needle roller |
| Universal Joint Cross Size | 30.2×92 mm / 34.9×93.1 mm / 22×54.8 mm |
| Bahan Pelindung Keselamatan | Metal-reinforced composite / HDPE (high-density polyethylene) |
| Dynamic Balance | Dynamically balanced to ISO 1940 G6.3 |
| Pelumas yang Direkomendasikan | EP2 lithium |
| Diameter Tabung Luar | 65 mm |
| Closed Length (Lmin) | 900–1500 mm (customisable) |
| Berat Rakitan | 14–41 kg (varies by length) |
| Perawatan Permukaan | Black oxide coated |
| Warna Penjaga | Hijau (RAL 6018) |
| Maximum Extended Length | 1784 mm |
Understanding PTO Shaft Mechanics for the Diggers
In excavation and earth-moving, the digger draws all its operating power through the PTO shaft. This shaft is essentially a rotating driveline that connects the tractor’s PTO output to the implement’s working mechanism via a series of universal joints and a telescoping tube.
The tractor-side yoke slides onto the PTO stub (typically 1-3/8" 6-spline or 1-3/4" 6-spline), locking into place. As the PTO engages, the stub begins to rotate, sending power through the shaft. The U-joints at each end allow the shaft to flex as the tractor and digger move independently over terrain.
The telescoping section—made from a profiled tube (lemon, star, or triangular cross-section)—slides freely to absorb changes in the distance between tractor and implement. On the digger end, the shaft connects to a gearbox or direct-drive mechanism that converts PTO speed and torque into the specific motion needed for excavation and earth-moving.

Core Advantages of Our PTO Shaft for Diggers
⚙ Continuous-Duty Rated
Our digger PTO shaft is rated for continuous-duty operation, not just intermittent use—critical for high-throughput commercial farming.
🔧 Slip-Clutch Integration
Optional integrated slip clutch within the shaft assembly provides seamless overload protection without external bolt-on devices.
🔒 Shear-Pin Safety
Economy shear-pin option available for cost-sensitive operations, with replacement pins included in every shipment.
⚖ Greaseable Cross Kits
Despite sealed bearings, our crosses include grease nipples for optional periodic lubrication in extreme-duty environments.
🛠 Universal Guard Mounting
Guards fit all standard shaft diameters and include the mounting hardware and chains required for safe installation.
🏆 Technical Support Included
Free driveline engineering consultation with every purchase—our technicians help you select the correct shaft for your exact setup.
Compatible Brands & Interchangeable Parts
Farmers and contractors running digger equipment from John Deere, Driveline Parts, AgriCardan, PTOline, Profil Terhubung, AB Shaft will find our PTO shaft a seamless replacement. We maintain a comprehensive compatibility database to match our products to thousands of OEM part numbers.
⚠ References to third-party brands are provided exclusively to facilitate product selection and cross-referencing. We do not manufacture products for these brands, nor do we hold or claim any rights to their trademarks.
Replacement Components
All shaft components are available as individual spares: universal joint kits, yokes in all standard bore sizes, telescoping tubes in various profiles, moulded safety guards, torque limiter assemblies, and complete rebuild kits. Extended availability ensures your shaft remains serviceable for years.
Standards, Policies & Regional Compliance
Australian Agricultural Machinery Standards
Our PTO shafts for digger applications are manufactured in compliance with the ASABE S203 (Guard dimensions) and ISO 5673 (PTO drive shaft interfaces) standards. These standards ensure dimensional compatibility and operational safety across all Australian farming environments.
Environmental Considerations
All materials used in our PTO shafts are RoHS-compliant. Packaging is recyclable, and we offer a used-shaft return programme for environmentally responsible disposal of end-of-life components.
Regional Service Coverage
We provide service and technical support across all Australian states and territories, including regional and remote areas. Local dealers in major agricultural centres stock our most popular shaft series and replacement parts for immediate availability.

Quick Selection Guide for Diggers PTO Shafts
Use the table below to determine the correct PTO shaft specification for your digger. Measure your existing shaft or consult your implement manual before ordering.
| Parameter | Apa yang perlu diperiksa | Typical Range for Diggers |
|---|---|---|
| Traktor HP | Periksa pelat nama traktor atau buku panduan. | 80–350 HP |
| Kecepatan PTO | Pengaturan PTO traktor & persyaratan implement | 540 atau 1000 rpm |
| Ukuran Spline PTO | Hitung jumlah alur pada poros PTO traktor. | 1-3/8" 6-spline atau 1-3/4" 6-spline |
| Panjang Tertutup Poros | Mengukur PTO traktor untuk menerapkan input | 900–1500 mm |
| Torsi yang Diperlukan | Periksa manual implementasi atau hitung dari HP/kecepatan. | 800–2500 Nm |
| Seri yang Direkomendasikan | Sesuai dengan persyaratan torsi | T5 / L5 (Tugas berat) / T6 / L6 (Tugas super berat) / T7 / L7 (Tugas ultra berat) |
| Perlindungan Beban Berlebih | Menilai risiko penyumbatan mendadak | Kopling gesek atau baut geser |
| Implementasikan Tipe Yoke | Cocokkan untuk mengimplementasikan profil poros masukan. | Lepas cepat atau bergerigi |
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Installation Guide – PTO Shaft on Diggers
⚠ Peringatan: Selalu matikan mesin traktor, lepaskan PTO, dan tunggu hingga semua bagian yang berputar berhenti sepenuhnya sebelum memulai pemasangan. Ikuti petunjuk keselamatan dari produsen traktor dan alat pertanian Anda.
Langkah 1: Inspeksi Pra-Pemasangan
Unpack the PTO shaft and inspect all components for shipping damage. Verify that the yoke splines, U-joints, profile tubes, and safety guards are in perfect condition. Confirm the shaft series and length match your digger requirements.
Langkah 2: Atur Panjang Poros yang Tepat
Park the tractor with the digger in its normal working position. Measure the distance from the tractor PTO stub face to the implement input shaft face. Adjust the telescoping tubes so that the shaft closed length is approximately 10–15 mm shorter than this measured distance to allow for suspension travel.
Langkah 3: Hubungkan Yoke Ujung Traktor
Geser dudukan ujung traktor ke poros PTO. Pastikan alur terpasang sepenuhnya dan mekanisme pengunci (pin tekan atau kerah) berbunyi klik. Periksa apakah tidak ada pergerakan radial yang berlebihan.
Langkah 4: Menghubungkan Implement-End Yoke
Align the implement-end yoke with the digger’s input shaft. Slide the yoke onto the splines or into the keyway and secure with the appropriate locking mechanism. If a torque limiter is present, ensure it is correctly oriented per the manufacturer’s markings.
Langkah 5: Pasang Pelindung Keamanan
Geser kedua bagian pelindung ke atas poros dan sambungkan menggunakan klip yang disediakan. Pasang rantai penahan pelindung—satu ke batang penarik traktor atau titik tetap, satu ke rangka alat pertanian. Pelindung harus dapat berputar bebas dan tidak boleh dipasang pada komponen yang berputar.
Langkah 6: Pemeriksaan Akhir & Uji Coba
Pastikan semua sambungan terpasang dengan aman. Hidupkan mesin traktor dan aktifkan PTO pada kecepatan idle. Amati poros untuk melihat apakah putarannya lancar, getaran yang tidak biasa, atau suara bising. Tingkatkan kecepatan secara bertahap hingga kecepatan operasi. Periksa kembali semua pengencang setelah satu jam pengoperasian pertama.

PTO Shaft Troubleshooting Guide for Diggers
| Gejala | Kemungkinan Penyebab | Tindakan yang Disarankan |
|---|---|---|
| Excessive vibration during operation | Worn U-joint cross bearings; shaft out of balance; excessive operating angle | Replace U-joint cross kit; check yoke alignment; reduce operating angle to <25° |
| Baut geser berulang kali patah | Penyumbatan tidak diatasi; jenis baut yang digunakan salah; ukuran poros terlalu kecil | Bersihkan sumber penyumbatan; gunakan hanya baut dengan mutu yang ditentukan; pertimbangkan untuk mengganti ke seri poros berikutnya. |
| Poros PTO terputus selama pengoperasian | Kerah pengunci aus; alur penahan pada poros PTO rusak. | Ganti dudukan pelepas cepat; periksa dan perbaiki alur poros PTO jika aus. |
| Pelindung pengaman tidak berputar bebas | Bantalan pelindung macet; pelindung rusak atau tidak sejajar | Ganti bantalan pelindung; luruskan atau ganti bagian pelindung; pasang kembali rantai dengan benar. |
| Suara mendesing atau berderak yang tidak biasa | Kerusakan bantalan input gearbox; poros tidak sejajar | Periksa kotak roda gigi alat pertanian; sejajarkan kembali traktor dan alat pertanian; periksa tumpang tindih panjang poros. |
| Bunyi klik atau ketukan pada kecepatan rendah | Bantalan jarum sambungan U aus; dudukan longgar pada poros PTO | Ganti rakitan sambungan U; periksa keausan spline dan mekanisme penguncian yoke. |
| Penumpukan panas pada sambungan U | Pelumasan tidak memadai; sudut operasi berlebihan; kerusakan bantalan. | Segera lumasi sambungan U; kurangi sudut pengoperasian; ganti kit silang jika bantalan rusak. |
| Overload clutch slipping under normal load | Clutch plates worn or contaminated; incorrect torque setting | Adjust clutch torque setting; replace clutch plates if worn or oil-contaminated |
Case Studies – PTO Shaft for Diggers in Australia
Catatan lapangan dari tim teknik dan penjualan kami di seluruh Australia:
📍 Roma, QLD – Glen Armstrong
Tujuan: Mengganti poros yang berkarat akibat terpapar residu semprotan bahan kimia.
Masukan: “The safety guards are solid and rotate freely. They actually meet the WHS requirements unlike the cheap ones you get from other suppliers.”
📍 Warrnambool, VIC – Stuart Palmer
Tujuan: Upgraded from a light-duty shaft to a heavy-duty series for commercial-scale excavation and earth-moving
Masukan: “We run our digger hard across 2,000 hectares and this shaft hasn’t missed a beat after two full seasons. Exceptional value for money.”
📍 Rockhampton, QLD – Dean Hartley
Tujuan: Replaced a worn PTO shaft on a 3-year-old digger to restore full operating efficiency
Masukan: “Kopling gesek terintegrasi menyelamatkan gearbox saya ketika kami menabrak batu yang terkubur. Poros langsung terlepas dan terhubung kembali setelah halangan teratasi. Sangat berharga.”
📍 Bendigo, VIC – David Thompson
Tujuan: Upgraded overload protection from shear bolt to friction clutch for smoother excavation and earth-moving
Masukan: “Saya memesan kit pengganti enam bulan kemudian dan tiba dalam waktu 48 jam. Produk hebat, layanan hebat, dukungan hebat.”
📍 Swan Hill, VIC – Ben Callahan
Tujuan: Membutuhkan poros dengan panjang khusus untuk jarak traktor-ke-peralatan yang tidak standar.
Masukan: “We swapped out our old economy shaft for this one and noticed an immediate reduction in vibration. The tractor runs quieter and the implement operates smoother.”
Frequently Asked Questions – PTO Shaft for Diggers
❓ Apa penyebab kegagalan sambungan U-joint sebelum waktunya?
Penyebab umum meliputi pelumasan yang tidak memadai, sudut pengoperasian yang berlebihan (lebih dari 25°), pengoperasian pada kecepatan lebih tinggi dari yang ditentukan, ketidaksejajaran antara traktor dan alat pertanian, dan kurangnya inspeksi rutin. Mengikuti jadwal perawatan yang direkomendasikan secara signifikan memperpanjang masa pakai sambungan U.
❓ Can I use a 540 rpm shaft on a 1000 rpm PTO?
No. Using a shaft rated for 540 rpm on a 1000 rpm PTO will result in excessive speed, dangerous vibration, and potential catastrophic failure. Always match the shaft speed rating to both the tractor PTO setting and the implement requirement.
❓ Bagaimana cara mengukur panjang tertutup yang tepat?
Pasang alat pertanian ke traktor pada posisi kerja normalnya. Ukur jarak garis lurus dari permukaan poros PTO traktor ke permukaan poros input alat pertanian. Panjang poros saat tertutup harus sekitar 10–15 mm lebih pendek dari pengukuran ini.
❓ Can the shaft be shortened to fit my setup?
Yes. The telescoping profile tubes can be cut to a shorter length using an angle grinder or chop saw. Ensure a minimum of 1/3 overlap remains between the inner and outer tubes after cutting. Deburr all cut edges before reassembly.
❓ Seberapa sering saya harus melumasi poros PTO?
Lumasi semua nipel sambungan U setiap 8–10 jam pengoperasian, atau di awal setiap hari kerja. Lumasi tabung profil teleskopik pada interval yang sama. Gunakan gemuk kompleks litium EP2 atau seperti yang direkomendasikan dalam manual produk Anda.
❓ Apakah poros PTO Anda seimbang?
Ya. Semua rakitan poros PTO kami diseimbangkan secara dinamis selama proses pembuatan. Hal ini mengurangi getaran, memperpanjang umur bantalan, dan memberikan pengoperasian yang lebih halus dibandingkan dengan alternatif aftermarket yang tidak seimbang.
❓ What PTO shaft series do I need for my digger?
For most digger applications in the 80–350 HP range, we recommend the T5 / L5 (Heavy duty) or T6 / L6 (Super heavy duty) series. If you operate near the upper end of this range or in particularly demanding conditions, consider stepping up to the S8 (Wide-angle) series for additional safety margin.
❓ Apa perbedaan antara baut geser dan kopling gesek?
Baut geser adalah pin pengorbanan yang patah ketika torsi melebihi kapasitas nominalnya. Harganya murah tetapi memerlukan penggantian manual setelah setiap kejadian. Kopling gesek selip ketika kelebihan beban dan secara otomatis terhubung kembali ketika kelebihan beban hilang, menawarkan pengoperasian tanpa gangguan dalam aplikasi yang rentan terhadap beban kejut yang sering terjadi.
Produk Terkait
Complement your Diggers PTO shaft with these products from our range:
Your Diggers PTO Shaft Partner
From single-unit orders to container-load shipments, we are your dedicated partner for digger PTO shaft supply. Our commitment to quality, competitive pricing, and responsive service has earned us the trust of farmers and dealers across Australia.
Take the next step: Contact us today for a free consultation and custom quotation tailored to your exact requirements.