Australian Driveshaft Pty Ltd provides dependable power transmission solutions tailored for haymaking machinery throughout Australia’s varied agricultural regions. In the process of raking, driveshafts link tractor PTO outputs to rotary rakes, guaranteeing smooth arm and tine rotation that aerates and gathers cut forage. Although finger wheel rakes typically operate on a ground-driven basis without requiring PTO, rotary varieties necessitate robust shafts capable of withstanding continuous torque in the dusty conditions of Victoria’s dairy farms to Queensland’s lush pastures. These essential components endure vibrations from uneven ground while maintaining proper alignment during turns.
Raking is a subsequent practice following mowing in hay production, as it turns swaths for uniform drying or forms windrows ready for baling. Rotary rakes are renowned for their gentle handling, lifting materials with curved tines to reduce leaf loss in lucerne or oat hay. Power is transmitted through the driveshaft to gearboxes operating multiple rotors, enabling widths of up to 10 meters for extensive operations in the NSW Riverina. Finger wheel designs are ideally suited for smaller plots, utilizing ground contact for propulsion; however, hybrids and larger rotary units in commercial settings require reliable PTO shafts rated for tractors ranging from 50 to 150 HP commonly found in Australian fleets.
Farmers encounter various challenges in changing environmental conditions. The dusty summers in Victoria accelerate wear on universal joints, whereas the moist winters in Queensland pose a risk of corrosion. Shafts must be able to manage angles up to 35 degrees when traversing the undulating landscapes of the NSW tablelands. Telescoping sections are designed to prevent binding during lifting or transport, with overlap preserved for safety. Overrunning clutches safeguard against inertia when disengaging the PTO abruptly after long stretches.
Producers favor driveshafts that strike a balance between robustness and maintenance simplicity. Grease fittings on crosses facilitate quick servicing between cutting cycles, significantly extending lifespan in abrasive environments. Quick-disconnect yokes streamline implement changes, a crucial factor during limited weather windows.


A dairy operator in Victoria transitioned to our reinforced series after encountering repeated failures with an 8-meter rotary rake. The enhanced shaft successfully managed peak loads from dense ryegrass without any vibration, completing 200-hectare seasons without issues. Similar experiences have been reported by Queensland mixed farms, where wide-angle options effectively navigate sharp turns in irregular paddocks.
Ultimately, the correct selection of driveshafts enhances raking efficiency, ensuring the preservation of forage quality for premium hay markets.
Core Technical Specifications for Rake Driveshafts
Australian Driveshaft Pty Ltd designs shafts specifically to meet the demands of rotary rakes, drawing insights from applications across Australia, New Zealand, Europe, and North America where similar machinery is utilized.
- Series Compatibility: Series 2-6 standard; Series 4 for most 50-100 HP rotary rakes.
- Torque Capacity (540 RPM): 400-1500 Nm continuous; 2000 Nm peak.
- Torque Capacity (1000 RPM): 300-1200 Nm continuous.
- Maximum Angle: 25 degrees standard; 80 degrees CV for tight maneuvers.
- Telescoping Range: 200-500 mm safe extension.
- Tractor Spline: 1-3/8″ 6-spline common; 21-spline for higher speeds.
- Implement Connection: Quick-release yoke or flange.
- Tube Shape: Lemon or triangular profiles.
- Cross Bearing Diameter: 23-30 mm.
- Steel Grade: High-tensile 42CrMo.
- Corrosion Protection: Zinc plating plus powder coat.
- Guard Type: UV-resistant polyethylene.
- Restraint System: Anti-rotation chains.
- Clutch Integration: Optional ratchet or friction.
- Weight Range: 15-35 kg per meter.
- Balance Grade: G6.3 ISO standard.
- Max Speed: 1000 RPM.
- Temperature Tolerance: -20°C to 70°C.
- Grease Interval: 50 hours.
- Service Life Expectancy: 3000-6000 hours.
- Vibration Control: Dampened joints.
- Compliance: AS/NZS guarding requirements.
- HP Rating 540 RPM: 40-120 HP.
- HP Rating 1000 RPM: 60-180 HP.
- Overlap Minimum: 300 mm operating.
- Yoke Strength: Forged and tempered.
- Weld Process: Automated for consistency.
- Testing: Full torque cycling.
- Spline Type: Involute for smooth engagement.
- Seal Design: Multi-lip for dust exclusion.
- Length Options: Custom cut-to-fit.
- Color Coding: Series identification bands.
- Packaging: Protective sleeves.
These specifications ensure compatibility with leading rake brands while outperforming in the Australian environment.
| Specification | Series 2 | Series 4 | Series 6 |
|---|---|---|---|
| Continuous Torque (Nm) | 600 | 1200 | 2000 |
| HP Capacity | 50 | 90 | 150 |
| Cross Size (mm) | 23 | 27 | 30 |
| Typical Closed Length (m) | 1.0-1.5 | 1.2-1.8 | 1.5-2.2 |
| Weight (kg/m) | 12 | 18 | 25 |
For technical reference only; Australian Driveshaft Pty Ltd operates as an independent manufacturer.

Queensland Haymaking Practical Experiences
Queensland’s subtropical climate generates distinct raking requirements. The elevated humidity prolongs drying periods, necessitating frequent tedding passes where rotary rakes excel. Driveshafts are designed to endure thermal expansion and dust from dry spells, with sealed joints preventing contamination.
In Burdekin and Wide Bay, expansive rotary rakes cater to large pastures. Shafts efficiently manage extended operation at 540 RPM without succumbing to overheating. The wide-angle capability assists in contour following on undulating territories.
A producer from Darling Downs noted a significant reduction in downtime after utilizing our CV shafts on a twin-rotor rake. Previous standard joints quickly deteriorated in silica-rich soils, while our reinforced crosses lasted for multiple seasons.
Safety practices align with WorkSafe guidelines, emphasizing complete guarding and restraint chains.
New South Wales Regional Applications
NSW Riverina is recognized as Australia’s hay production epicenter, yielding premium lucerne. Rotary rakes create fluffy windrows that minimize ash content for export-quality hay.
Driveshafts effectively handle variable loads from dense stands. Overload protection through friction clutches prevents equipment damage during encounters with obstacles in older paddocks.
Central West operators prefer robust series for trailed rakes drawn by tractors exceeding 100 HP. Telescoping designs accommodate height variations inherent in 3-point systems.
A farm in Murrumbidgee integrated our driveshafts with European-style rakes, achieving cleaner forage than those relying on ground-driven mechanisms in rocky areas.

Victorian Dairy Forage Cases
Victoria’s cooler southern regions emphasize pasture hay for dairy production. Frequent cuttings necessitate reliable machinery.
Rotary rakes efficiently ted wet swaths, with driveshafts providing steady power to multiple arms.
The rolling hills of Gippsland test angular limits. Wide-angle designs maintain consistent delivery without vibrations.
A hay contractor in southwest Victoria upgraded their fleets to our driveshafts, reporting decreased maintenance demands in coastal environments with high corrosion risks.
Compliance with AS/NZS standards ensures the safety of operators throughout intensive farming operations.
Complementary Gearboxes and Accessories
Australian Driveshaft Pty Ltd fabricates gearboxes that integrate seamlessly with rake driveshafts, enhancing overall system performance.
Our bevel gearboxes decrease PTO speeds for optimal tine rotation, with ratios ranging from 1:2.5 to 1:4 accommodating various models. Cast housings dissipate heat during prolonged usage in the hot Australian climate. Oil-bath lubrication with breathers combats dust interference.
Planetary units provide compact torque multiplication for multi-rotor rakes, with ratings up to 200 HP input. Helical gears contribute to noise reduction, which is particularly valued during extended working hours.
We manufacture universal joints in dimensions compatible with common crosses, utilizing needle bearings for reduced friction. Yokes are available in both quick-release and bolted varieties.
Torque limiters are designed with ratchet or friction plate mechanisms, calibrated between 800-2000 Nm to safeguard rotors from sudden shocks.
Overrunning clutches facilitate freewheeling during transport, preventing backlash.
Guards offer extended coverage with user-friendly locking systems.
Spare cross kits enable field repairs, pre-greased for immediate application.
Transfer cases distribute power in twin configurations.
Hydraulic systems power folding mechanisms independently.
Complete assemblies combine shafts with compatible gearboxes for straightforward installation.
Over 2000 words on gearboxes: These components serve as the core of rotary rake power trains. The PTO shaft engages bevel gears, redirecting power at a 90-degree angle to rotor drives. Carburized teeth withstand pitting under shock loads from debris.
Cooling fins and synthetic lubricants maintain viscosity even in the 40°C temperatures frequently seen in northern regions. Sight glasses allow for level monitoring without disassembly.
Mounting patterns align with international flanges, ensuring precise installation.
Rebuilding procedures involve standard bearing kits and shims for backlash adjustments.
When compared to Comer or Bondioli units (for technical reference only; Australian Driveshaft Pty Ltd operates independently), our designs deliver comparable performance with localized support and quicker access to spare parts.
Seals utilize labyrinth designs plus wipers to exclude pasture debris.
Output shafts connect directly to rake inputs or chain drives.
Noise reduction achieved through helical gearing enhances operator comfort.
Torque monitoring capabilities through sensors cater to modern precision farming practices.
Integration with ISOBUS controls future-proofs the systems.
In summary, pairing our driveshafts with compatible gearboxes establishes durable, efficient raking solutions that optimize forage quality and yield across Australian agricultural conditions.
Watch this demonstration of rotary rake operation and PTO connection: <iframe width=”560″ height=”315″ src=”https://www.youtube.com/embed/sample-rotary-rake-video” title=”Rotary Hay Rake in Action” frameborder=”0″ allowfullscreen></iframe>
Recent updates indicate that Australian hay production is projected to rebound in 2026, driven by favorable rainfall in southern regions (according to MLA reports). Queensland exporters are targeting Asian markets amid a stable domestic supply. The Victorian dairy sector is investing in efficient machinery for high-quality pasture hay.
Frequently Asked Questions
Which driveshaft series is appropriate for a medium-sized rotary rake?
Series 4 is optimal for addressing most applications between 60-120 HP, providing ample torque capacity for handling dense forage without incurring excessive weight.
What distinguishes finger wheel and rotary rakes in terms of power requirements?
Finger wheel designs operate on a ground-driven basis, requiring no PTO, whereas rotary models necessitate sturdy driveshafts to facilitate continuous tine rotation and superior fluffing.
What factors contribute to excessive vibration in rake shafts?
Worn cross bearings, accumulation of mud, or improper overlap are common culprits—regular cleaning and maintaining a minimum engagement of 300 mm can mitigate these issues.
Should I incorporate overload protection for pasture raking?
Friction clutches are well-suited for accommodating variable loads, allowing for safe slippage during blockages rather than shearing critical components.
How often should grease be applied to rake driveshaft joints?
Every 50 hours or prior to each major cutting session, utilizing high-quality lithium grease will help displace dust and moisture.
What is the maximum angle that can be managed safely?
Standard joints can efficiently handle angles up to 25 degrees; however, for applications requiring up to 80 degrees in contoured Australian fields, upgrading to CV joints is recommended.
Are metric tubes compatible with Australian tractors?
Yes, lemon or star profiles align with common yoke sizes—ensure precise cross matching for optimal performance.
How can compliance with safety standards be ensured in Australia?
Complete enclosure with restraint chains fulfills AS/NZS regulations—daily inspections for damage are advised.
What causes premature joint failure in hay operations?
Dust ingress and dry running conditions accelerate wear—utilizing sealed greaseable kits designed for abrasive settings is crucial.
Is a CV joint worthwhile for finger-style hybrids?
Definitely, particularly in uneven terrain, as it provides smoother power delivery and reduces stress over time.