Industrial-Grade PTO Shaft for Peanut Harvester Equipment
When groundnut lifting and collection is your business, downtime is not an option. Our industrial-grade PTO shaft for peanut harvester is manufactured from high-strength alloy steel with induction-hardened splines and needle-bearing universal joints. Designed for the rigorous duty cycles of commercial farming, this shaft maintains peak torque delivery while protecting both tractor and implement from shock loads.

Technical Specifications – Peanut Harvester PTO Shaft
| Parametro | Specifiche / Gamma personalizzabile |
|---|---|
| Applicazione | Peanut Harvester |
| Potenza consigliata del trattore | 60–180 HP |
| Velocità presa di forza | 540 giri al minuto |
| Coppia massima continua | 400–1200 Nm |
| Capacità di coppia massima | 1800 Nm |
| Serie di alberi | T4 / L4 (Medium-heavy duty) / T5 / L5 (Heavy duty) / T6 / L6 (Super heavy duty) |
| Materiale del giogo | Forged carbon steel (C45) |
| Equilibrio dinamico | Factory balanced |
| Lunghezza massima estesa | 1674 mm |
| Angolo operativo massimo | 80° |
| Durezza della scanalatura | HRC 55-60 |
| Operating Temperature Range | -30°C to +100°C |
| Trattamento superficiale | Zincatura gialla |
| Dimensioni della croce del giunto universale | 23.8×61.3 mm / 22×54.8 mm / 27×70 mm |
| Opzioni di attacco per trattore | Splined yoke (1-3/8″ 21-spline) / Splined yoke (1-3/8″ 6-spline) |
| Guard Colour | Orange (RAL 2004) |
| Lunghezza chiusa (Lmin) | 800–1300 mm (customisable) |
| Lubrificante consigliato | EP2 lithium-complex |
| Overload Protection Options | Free-wheel overrunning clutch / Shear bolt torque limiter / Ratchet torque limiter |
| Profilo del tubo | Square profile or Triangular profile |
PTO Shaft Structure & Function on the Peanut Harvester
The power take-off (PTO) shaft is positioned between the rear of the tractor and the front input of the peanut harvester. It is a two-piece telescoping assembly connected by universal joints at each end. The tractor-end yoke mates with the PTO stub shaft, while the implement-end yoke connects to the peanut harvester’s gearbox input.
When engaged, rotational power flows from the tractor’s engine through the PTO gearbox, out the stub, through the first U-joint, along the profile tube, through the second U-joint, and into the implement. During groundnut lifting and collection, this power drives the cutting, turning, or processing mechanism of the peanut harvester.
Key structural components include: hardened splined yokes for positive engagement, needle-bearing U-joint crosses for smooth rotation under load, telescoping tubes for length adjustment, plastic safety shields with bearing-supported rotation, and an overload clutch or shear pin to protect the entire driveline from catastrophic failure.

Core Advantages of Our PTO Shaft for Peanut Harvester
⚙ Forged Yoke Technology
Unlike stamped alternatives, our forged yokes for the peanut harvester PTO shaft deliver superior grain structure and impact resistance for demanding applications.
🔧 Wide-Angle Joint Option
Wide-angle constant-velocity joints available for applications requiring operating angles up to 80°, ideal for tight turning radii and steep terrain.
🔒 Automatic Re-engagement
Friction clutch models automatically re-engage once the overload condition clears, minimising downtime and getting you back to work faster.
⚖ Anti-Corrosion Finish
Zinc-plated hardware and powder-coated guards resist corrosion from agricultural chemicals, moisture, and UV exposure.
🛠 Metric & Imperial Compatibility
Dual-standard spline options ensure compatibility with both metric and imperial PTO stubs across all major tractor brands.
🏆 Global Quality Certification
ISO 9001:2015 certified manufacturing with full material traceability from raw steel to finished product.
Brand Compatibility & Replacement Parts
Our PTO shaft for peanut harvester is designed as a direct-fit replacement for driveline assemblies supplied by GKN Walterscheid, MecLine, Bondioli & Pavesi, Collegamento al profilo, Driveline Parts, Walterscheid, and others. We stock cross-reference guides to help you identify the correct shaft for your existing equipment.
⚠ Brand names are referenced solely for cross-compatibility identification purposes. We are not affiliated with, nor do we claim endorsement by, any of the brands mentioned. All trademarks remain the property of their respective owners.
Spare Parts & Accessories
Every component of our PTO shaft is available individually: U-joint cross kits, yokes (tractor-end and implement-end), profile tubes, safety guards, guard chains, torque limiters, and bearing kits. This means you can service and rebuild your shaft indefinitely, reducing long-term ownership costs.
Regulations, Compliance & Local SEO Considerations
Australian Safety Standards
All PTO shafts supplied for peanut harvester applications comply with AS 1121 (Power take-offs for agricultural tractors) and AS/NZS 4024.1 (Safety of machinery). Safety guards meet the guarding requirements of Safe Work Australia’s model WHS Regulations.
CE & ISO Compliance
Our manufacturing facility holds ISO 9001:2015 certification. Shaft assemblies are designed in accordance with ISO 5673 (Agricultural tractors and machinery – PTO drive shafts) and CE-marked where applicable.
State & Territory Requirements
PTO-driven equipment across Queensland, New South Wales, Victoria, Western Australia, South Australia, and Tasmania must comply with local WHS codes of practice for agricultural machinery. Our shafts are supplied with all required safety guarding and documentation to meet these obligations.

PTO Shaft Selection Guide – Peanut Harvester
Selecting the right PTO shaft for your peanut harvester is straightforward when you follow this step-by-step guide. Gather the information below before placing your order.
| Step | Action | Details for Peanut Harvester |
|---|---|---|
| 1 | Identify tractor PTO HP | Typical: 60–180 HP for this application |
| 2 | Confirm PTO speed setting | 540 rpm or 1000 rpm (check implement manual) |
| 3 | Measure closed length (Lmin) | 800–1300 mm |
| 4 | Count tractor PTO splines | 6-spline (1-3/8") or 6-spline (1-3/4") most common |
| 5 | Check implement input connection | Splined, keyed, or flanged input |
| 6 | Calculate torque requirement | 400–1200 Nm |
| 7 | Select shaft series | T4 / L4 (Medium-heavy duty) or T5 / L5 (Heavy duty) |
| 8 | Choose overload protection | Friction clutch recommended for peanut harvester |
📌 Need help? Contattaci for expert guidance.
Targeted Installation Procedure – Peanut Harvester PTO Shaft
⚠ Safety First: Disengage the PTO, switch off the engine, remove the ignition key, and allow all moving parts to come to a complete stop before working on the driveline. Wear appropriate PPE including close-fitting clothing and gloves.
Phase 1: Preparation
Lay out all shaft components and cross-reference against the packing list. Confirm the shaft series, closed length, and yoke specifications match your peanut harvester setup. Grease all U-joint nipples and slide the profile tubes back and forth several times to distribute lubricant.
Phase 2: Length Verification
With the peanut harvester hitched to the tractor in its normal operating position, measure the PTO-to-input distance. The shaft must have a minimum of 1/3 tube overlap at full extension and must not bottom out at the shortest position. Trim the tubes if the factory length requires adjustment (refer to cutting instructions in the product manual).
Phase 3: Tractor Connection
Push the tractor-end yoke fully onto the PTO stub. The quick-release collar should snap over the retaining groove. Pull back on the yoke to confirm it is locked. If using a plain-bore yoke, insert the shear pin and secure with a cotter pin.
Phase 4: Implement Connection
Connect the implement-end yoke to the peanut harvester’s input. If a clutch assembly is fitted at this end, ensure the clutch housing is oriented with the grease nipple accessible. Tighten any set screws to the specified torque.
Phase 5: Guard Fitting
Assemble the two guard halves around the shaft and clip together. Attach the anti-rotation chains: one chain to a stationary tractor point, one chain to the implement frame. Verify the guards spin freely by hand without contacting any part of the shaft or yokes.
Phase 6: Operational Test
Start the tractor, engage PTO at low idle, and run the peanut harvester unloaded for two to three minutes. Check for vibration, abnormal noise, or heat at the U-joints. If all checks pass, proceed to normal operating speed and begin field work. Re-torque all fasteners after the initial run-in period.

PTO Shaft Troubleshooting Guide for Peanut Harvester
⚠ Overload clutch slipping under normal load
Possible Cause: Dischi della frizione usurati o contaminati; coppia di serraggio errata
Recommended Action: Regolare la coppia di serraggio della frizione; sostituire i dischi della frizione se usurati o contaminati dall'olio.
⚠ Safety guard not rotating freely
Possible Cause: Cuscinetti di protezione bloccati; protezione danneggiata o disallineata
Recommended Action: Sostituire i cuscinetti di protezione; raddrizzare o sostituire le metà della protezione; riattaccare correttamente le catene.
⚠ Implement speed inconsistent
Possible Cause: L'albero della presa di forza slitta; le scanalature sono usurate; la frizione è parzialmente innestata
Recommended Action: Verificare l'innesto del giunto; sostituire il giunto se le scanalature sono usurate; regolare o sostituire il gruppo frizione.
⚠ Heat build-up at U-joint
Possible Cause: Insufficient lubrication; excessive operating angle; bearing failure
Recommended Action: Grease U-joints immediately; reduce operating angle; replace cross kit if bearings are damaged
⚠ Clicking or knocking noise at low speed
Possible Cause: Cuscinetti a rullini del giunto cardanico usurati; forcella allentata sul perno della presa di forza
Recommended Action: Sostituire il gruppo giunto cardanico; controllare l'usura delle scanalature e il meccanismo di bloccaggio della forcella.
⚠ Excessive vibration during operation
Possible Cause: Cuscinetti trasversali del giunto cardanico usurati; albero non bilanciato; angolo di funzionamento eccessivo
Recommended Action: Sostituire il kit di giunzione cardanica; controllare l'allineamento della forcella; ridurre l'angolo di lavoro a <25°
⚠ PTO shaft disconnects during operation
Possible Cause: Collare di bloccaggio usurato; scanalatura di ritegno danneggiata sul perno della presa di forza
Recommended Action: Sostituire il giunto a sgancio rapido; ispezionare e riparare la scanalatura del perno della presa di forza se usurata.
⚠ Unusual whining or grinding sound
Possible Cause: Guasto al cuscinetto di ingresso del cambio; albero disallineato
Recommended Action: Ispezionare il riduttore dell'attrezzo; riallineare il trattore e l'attrezzo; controllare la sovrapposizione della lunghezza dell'albero
Case Studies – PTO Shaft for Peanut Harvester in Australia
Appunti dal campo raccolti dal nostro team di ingegneri e venditori in tutta l'Australia:
📍 Albany, WA – Glen Armstrong
Scopo: Upgraded overload protection from shear bolt to friction clutch for smoother groundnut lifting and collection
Feedback: “Fitted perfectly to my peanut harvester with zero modification. The quality is noticeably better than the OEM shaft it replaced. I’ll be ordering more for my other implements.”
📍 Esperance, WA – Darren Hughes
Scopo: Ho acquistato un albero cardanico completo come ricambio per il periodo di maggiore attività.
Feedback: "Ho ordinato un kit di ricambio per la croce sei mesi dopo ed è arrivato entro 48 ore. Ottimo prodotto, ottimo servizio, ottimo supporto."
📍 Merredin, WA – James Mitchell
Scopo: Replaced a worn PTO shaft on a 3-year-old peanut harvester to restore full operating efficiency
Feedback: “Fast delivery to regional Australia. The shaft arrived well-packaged and the U-joints are smooth as butter. Very impressed with the build quality.”
📍 Toowoomba, QLD – Michael Carter
Scopo: Upgraded from a light-duty shaft to a heavy-duty series for commercial-scale groundnut lifting and collection
Feedback: “We run our peanut harvester hard across 2,000 hectares and this shaft hasn’t missed a beat after two full seasons. Exceptional value for money.”
📍 Dubbo, NSW – Tony Blake
Scopo: Needed a direct-fit replacement after the original shaft suffered a U-joint failure mid-season
Feedback: “La frizione integrata ha salvato il mio cambio quando abbiamo urtato una roccia incastrata nel terreno. L'albero si è disinnestato all'istante e si è reinserito una volta rimosso l'ostacolo. Ne è valsa la pena fino all'ultimo centesimo.”
Frequently Asked Questions – PTO Shaft for Peanut Harvester
❓ Effettuate spedizioni nelle zone regionali e remote dell'Australia?
Certamente. Spediamo in tutti i codici postali australiani tramite i principali corrieri. Le zone regionali e remote potrebbero avere tempi di consegna leggermente più lunghi, ma collaboriamo con diversi corrieri per garantire consegne affidabili in tutto il paese.
❓ 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.
❓ Will this shaft fit my tractor and peanut harvester?
Our PTO shafts are available with all standard yoke types and spline sizes (1-3/8" 6-spline, 1-3/4" 6-spline, 1-3/4" 20-spline, and more). Provide your tractor model and peanut harvester make/model, and our team will confirm compatibility before dispatch.
❓ Come si misura la lunghezza corretta da chiuso?
Agganciare l'attrezzo al trattore nella sua normale posizione di lavoro. Misurare la distanza in linea retta dalla faccia del perno della presa di forza del trattore alla faccia dell'albero di ingresso dell'attrezzo. La lunghezza dell'albero a riposo dovrebbe essere di circa 10-15 mm inferiore a questa misura.
❓ Che garanzia offrite sugli alberi cardanici?
Tutti gli alberi cardanici sono coperti da garanzia del produttore contro difetti di materiali e di fabbricazione. I termini di garanzia variano a seconda della serie. Contatta il nostro team per i dettagli specifici della garanzia applicabile al tuo acquisto.
❓ What PTO shaft series do I need for my peanut harvester?
For most peanut harvester applications in the 60–180 HP range, we recommend the T4 / L4 (Medium-heavy duty) or T5 / L5 (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.
❓ How often should I grease the PTO shaft?
Grease all U-joint nipples every 8–10 hours of operation, or at the start of each working day. Grease the telescoping profile tubes at the same interval. Use EP2 lithium-complex grease or as recommended in your product manual.
❓ Qual è la differenza tra un bullone di sicurezza e una frizione a disco?
Un bullone di sicurezza è un perno sacrificale che si rompe quando la coppia supera la sua capacità nominale. È economico ma richiede la sostituzione manuale dopo ogni evento. Una frizione slitta in caso di sovraccarico e si innesta automaticamente quando il sovraccarico scompare, offrendo un funzionamento ininterrotto in applicazioni soggette a frequenti carichi d'urto.
Prodotti correlati
Complement your Peanut Harvester PTO shaft with these products from our range:
Partner With Us – Peanut Harvester PTO Shaft Solutions
Whether you are a farmer seeking a single replacement shaft, a dealer looking to stock reliable driveline products, or an OEM manufacturer requiring bulk supply, we are ready to support your needs. Our peanut harvester PTO shafts are available in standard and custom configurations, with competitive pricing for volume orders.
📞 Contact our team today to discuss your requirements, request a quotation, or arrange a technical consultation. We are committed to delivering the right shaft, on time, every time.