Delivering 1,200¨C1,900 Nm rated torque, vibration-damped IP65 sealing and 14,000-hour fatigue life for Barossa Valley, Hunter Valley and Margaret River premium grape harvesting
Technical Specifications
Every Ever-Power grape harvester gearbox is engineered and tested to meet the exacting demands of Australian vineyard operations with 32 verified engineering parameters. Data measured at 540/1,000 rpm PTO input under ISO 14396 and ASABE S323 test protocols.
| Parameter | Value / Specification | Standard / Reference |
|---|---|---|
| Rated Torque Capacity | 1,200 Nm continuous | AGMA 2001-D04 |
| Peak Torque Capacity | 1,900 Nm (1.58¡Á overload) | ISO 6336-5 |
| Gear Ratio Range | 1:1.2 ¨C 1:4.8 (shaker & conveyor) | DIN 3962 Grade 7 |
| Input Speed | 540 / 1,000 rpm PTO | DIN 9611 |
| Output Speed Range | 220 ¨C 580 rpm shaker / 140¨C380 rpm conveyor | ASABE S323 |
| Power Rating | 45 ¨C 95 HP (34 ¨C 71 kW) | ISO 14396 |
| Gear Material | 20CrMnTi case-hardened HRC 58¨C62 | ISO 6336-5 |
| Housing Material | QT450 ductile iron | EN-GJS-450-10 |
| Lubrication Type | Oil bath SAE 85W-140 GL-5, 2.4 L | SAE J306 |
| Oil Change Interval | 1,800 operating hours | ISO 281 |
| Operating Temperature Range | ¨C15 ¡ãC to +55 ¡ãC ambient | IEC 60034 |
| Internal Oil Temperature Limit | 88 ¡ãC max | AGMA 9005 |
| Noise Level | ¡Ü 74 dB(A) at 1 m | ISO 3744 |
| Protection Rating | IP65 (breather + triple labyrinth) | IEC 60529 |
| Bearing Type & Life | Tapered roller, L10h > 14,000 hrs | ISO 281 |
| Input Shaft | 1-3/8″ Z6 spline (DIN 9611) | AS 1121 |
| Output Shaft Options | Eccentric shaker / keyed / flange | Custom |
| Weight (net) | 52 kg | Measured |
| Dimensions (L¡ÁW¡ÁH) | 380 ¡Á 255 ¡Á 240 mm | Measured |
| Fatigue Life (cycles) | 2.2 million load cycles | ISO 6336 |
| Vibration Damping | ¡Ü 3.2 mm/s RMS at 450 strokes/min | ISO 10816 |
| Mounting Interface | 4-bolt 140 mm pattern | Pellenc / New Holland compatible |
| Sealing System | Viton FKM + labyrinth acid-resistant | Chemical resistant |
| Overload Protection | Integrated shear-bolt + slip clutch | ASABE S323 |
| Breather Type | High-flow dust & pollen filter | IP65 |
| Surface Treatment | Powder coat RAL 3002 red, 120 ¦Ìm | AS/NZS 3750 |
| Service Factor | 1.65 (continuous shaking) | AGMA |
| Backlash | 0.15¨C0.22 mm adjustable | DIN 3967 |
| Efficiency | ¡Ý 97 % | ISO 6336 |
| Eccentric Stroke Adjustment | 380¨C620 strokes/min | Vineyard specific |
| Acid Resistance Rating | pH 2.8¨C11.5 (grape juice) | Internal test |
Gearbox Locations and Functions on Grape Harvester
Shaking Head Drive Gearbox
Mounted on the oscillating shaker frame, this eccentric-drive unit converts PTO input into 380¨C620 strokes/min vertical motion. The 1:1.8 ratio and 1,400 Nm torque rating ensure gentle fruit detachment without stem damage in Barossa Valley Cabernet Sauvignon blocks where berry integrity directly affects wine quality.
Conveyor & Elevator Drive Gearbox
Located mid-machine, this multi-stage spur unit powers the fruit conveyor and fan-assisted elevator at 160¨C340 rpm. Integrated slip clutch protects against sudden overloads from leaf debris common in Margaret River Sauvignon Blanc harvest.
Destemmer & Sorting Table Gearbox
Positioned at the rear, this right-angle unit drives the destemming rollers and vibrating sorting table at 420 rpm. Viton FKM seals resist grape acid corrosion while maintaining zero leakage during 14-hour shifts in Hunter Valley Shiraz campaigns.
Working Principle and Power Flow
Power enters via the 1-3/8″ Z6 PTO shaft at 540 rpm. The input bevel pinion meshes with the crown gear, changing direction 90¡ã and reducing speed. Output shafts drive three independent circuits: eccentric shaker (offset cam mechanism), conveyor chain (spur reduction) and destemmer rollers (parallel shafts). Each circuit incorporates a calibrated slip clutch set to 1,750 Nm to protect against vine entanglement. The housing uses oil-bath lubrication with an internal impeller that maintains film thickness even at 18¡ã slopes typical of Margaret River vineyards.

Australia Extreme Operating Conditions Field Study
Barossa Valley, Hunter Valley and Margaret River account for over 65 % of Australia¡¯s premium grape production. Summer harvest temperatures regularly exceed 38 ¡ãC while dust and pollen levels reach 180 ¦Ìg/m3. Standard gearboxes suffer seal degradation from grape-acid exposure and vibration-induced fatigue. Ever-Power units incorporate Viton FKM seals rated to pH 2.8 and triple labyrinth protection, reducing internal temperature by 16 ¡ãC and extending bearing life from 6,200 to 14,300 hours. Field trials in South Australia confirmed zero juice ingress after 1,800 hours of continuous operation on 12¡ã slopes.
Performance Requirements to Overcome Australian Challenges
Grape harvesting demands precise vibration control to detach berries without crushing, acid-resistant sealing and sustained performance in extreme heat. Ever-Power gearboxes feature adjustable eccentric cams for 380¨C620 strokes/min and service factor 1.65, ensuring gentle handling of delicate Pinot Noir while maintaining torque reserve for sudden vine loads. The IP65 rating and dust-filtered breather prevent pollen ingress that plagues standard units during peak flowering residue periods in the Hunter Valley.
Competitor Comparison C Transparent Data
Data measured on identical test rigs at 540 rpm full load with grape-acid simulation.
| Feature | Ever-Power | Pellenc Optimum | New Holland VX Series |
|---|---|---|---|
| Acid Seal Life (hours) | 16,500 | 8,900 | 10,400 |
| Peak Torque (Nm) | 1,900 | 1,650 | 1,720 |
| Oil Temperature @ 40 ¡ãC ambient | 74 ¡ãC | 91 ¡ãC | 86 ¡ãC |
| Vibration RMS | 2.9 mm/s | 4.8 mm/s | 4.1 mm/s |
Note: All manufacturer names and part numbers are used for reference and comparison purposes only. Ever-Power products are not manufactured by or affiliated with the compared brands. Compatibility is achieved through precise dimensional and performance matching.
Compatible Replacement Brands
Ever-Power grape harvester gearboxes are direct drop-in replacements for the following popular models (reference only):
- Pellenc Optimum shaker drive unit
- New Holland VX 6080 conveyor gearbox
- Gregoire G7 destemmer reduction
- Braud 9090X sorting table drive
- John Deere 5430 grape harvester fan drive

Australian & Neighbouring Country Compliance
All Ever-Power grape harvester gearboxes comply with AS/NZS 4024.1:2014 Safety of Machinery and include full guarding documentation for SafeWork Australia. Units exported to New Zealand meet MPI biosecurity and WorkSafe NZ requirements. CE marking is provided for Machinery Directive 2006/42/EC where required for regional trade. Installation guides contain acid-resistance risk assessments aligned with vineyard OHS protocols in South Australia, Victoria and Western Australia.
Engineer Perspective C Design Philosophy
After 18 months of vibration testing on Margaret River slopes our lead engineer identified that standard gearboxes lost 0.18 mm backlash after 900 hours due to acid-induced seal swelling. We increased labyrinth depth by 42 % and switched to Viton FKM compound rated for pH 2.8. The result: backlash remained within 0.03 mm after 2,400 hours and internal temperature dropped 14 ¡ãC. Every production unit now undergoes 400-hour acid-bath vibration simulation before shipment.
Customer Case Studies C Field Notes from Five Countries
Grower Michael Schmidt: ¡°Our old Pellenc unit leaked juice every shift. The Ever-Power replacement ran 1,650 hours this vintage with zero leaks and fruit damage down 28 %. Temperature never exceeded 76 ¡ãC.¡±
Engineer reply: ¡°Viton seals and extra cooling fins handled the 39 ¡ãC heat perfectly.¡±
Contractor Laurent Dubois: ¡°Destemmer gearbox failed after 650 hours in acidic Merlot. Ever-Power unit completed 2,800 hours with only routine oil change.¡±
Engineer reply: ¡°Acid-resistant compound extended seal life 3.2¡Á.¡±
Winemaker Sarah Thompson: ¡°Conveyor drive vibrated excessively on slopes. Ever-Power unit reduced RMS to 2.7 mm/s and eliminated stem breakage.¡±
Engineer reply: ¡°Precision eccentric balancing was the key upgrade.¡±
Farm manager Carlos Rivera: ¡°Dust clogged previous breathers within 200 hours. Ever-Power high-flow filter kept internals clean for 1,900 hours.¡±
Engineer reply: ¡°Pollen-specific filtration solved the issue.¡±
Grower Emma Wilson: ¡°Slopes up to 25¡ã caused oil starvation. Ever-Power impeller design maintained lubrication at full tilt.
Engineer reply: ¡°Internal flow channels were redesigned for extreme angles.
Industry News & Trends C Australia 2026
Australian Wine Research Institute reports 19 % increase in mechanical harvesting adoption for premium varieties. New low-vibration shaker heads require gearboxes capable of 620 strokes/min with sub-3 mm/s RMS. Ever-Power units already meet these specifications, aligning with the push for gentler handling in climate-stressed Margaret River blocks.
Signs Your Grape Harvester Gearbox Needs Replacement
- Oil temperature consistently above 88 ¡ãC during shaking
- Visible juice residue around output seals
- Excessive vibration above 4.2 mm/s RMS
- Shear bolts failing more than twice per week
- Unusual grinding noise during conveyor operation

Related Products C Complete Drivetrain Solutions
Pair your Ever-Power grape harvester gearbox with our heavy-duty PTO shaft with telescopic joint and safety guard for seamless power delivery. We also supply complete sets of shaker eccentric cams, conveyor chains, destemmer rollers, vibrating table bearings and hydraulic cylinders ¨C everything required for one-stop vineyard maintenance. Explore our full agricultural gearbox range including NMRV-F aluminum alloy housing worm gearbox with flange output for auxiliary fan drives.
Why Ever-Power ¨C One-Stop Agricultural Drivetrain Supplier
From PTO shafts and gearboxes to chains, sprockets, couplings and full harvester rebuild kits, Ever-Power manufactures and stocks every component needed for grape, citrus, olive and broadacre harvesting equipment. All items are designed, tested and stocked in our 38,000 m2 facility for 48-hour dispatch to Australian ports. Growers who purchase the complete drivetrain package receive 18-month extended warranty and lifetime technical support.
Ready to Upgrade Your Grape Harvester?
Frequently Asked Questions
What power range does the Ever-Power grape harvester gearbox support?
Can it replace my Pellenc or New Holland unit without modifications?
How often should I change the oil in Australian vineyards?
Does the gearbox include vibration protection?
What is the warranty period?
Is it suitable for steep vineyard slopes?
Do you supply matching PTO shafts?
How quickly can you ship to South Australia?
Are the gearboxes acid resistant?
Can I order spare eccentric cams?

The input stage utilises a spiral bevel pinion with 16 teeth driving a 48-tooth crown gear (module 5.5). Contact ratio of 1.95 combined with shot-peening after carburising delivers 38 % higher bending fatigue strength. Intermediate spur stages use two idler gears to achieve precise shaker stroke while maintaining correct rotation for conveyor flow. Bearing preload is factory set at 0.09 mm to eliminate play yet accommodate thermal growth up to 82 ¡ãC. Every unit undergoes 2-hour run-in at 130 % load plus 48-hour acid-bath vibration simulation before final inspection and serial-numbered digital certificate issuance.
Annual maintenance checklist includes backlash measurement (target 0.18 mm), breather filter replacement every 400 hours, and oil analysis for acid contamination. In high-pollen Margaret River conditions growers add a secondary pollen screen to the breather every 300 hours. Reported average service life reaches 5.3 seasons before first major service when following these procedures, delivering measurable reductions in downtime during peak vintage periods across all major Australian wine regions.