1. Engineered Precision: 32 Key Technical Parameters
| Technical Specification Item | Value / Standard | Technical Specification Item | Value / Standard |
|---|---|---|---|
| Nominal Output Torque (Nm) | 18,500 – 65,000 Nm | Reduction Ratio Range | 1:15.8 to 1:124.5 |
| Input Speed (RPM) | 540 / 1000 RPM (Standard PTO) | Gear Material | 20CrMnTi Alloy Steel |
| Heat Treatment | Carburizing and Quenching (HRC 58-62) | Lubrication Method | Splash & Pressure Forced Feed |
| Ingress Protection (IP) | IP67 (Dust-proof & Water-resistant) | Operating Temperature Range | -40°C to +95°C |
| Input Shaft Specification | 1-3/8″ Z6 or 1-3/4″ Z20 Spline | Output Shaft Type | Hollow Splined / Solid Keyed |
| Fatigue Life (L10h) | >12,000 Hours (Continuous Duty) | Vibration Threshold | ≤ 2.8 mm/s (ISO 10816-3) |
| Housing Material | Ductile Iron (QT450-10) | Oil Seal Type | Viton High-Temp Double Lip |
| Installation Interface | Flange Mounted (ISO Standard) | Axial Load Capacity (kN) | Up to 220 kN |
| Radial Load Capacity (kN) | Up to 180 kN | Efficiency Rate (%) | ≥ 96% per stage |
| Noise Level (dB) | ≤ 80 dB at 1m distance | Standards Compliance | AGMA 6013, ISO 6336 |
| Coating Protection | Epoxy Anti-corrosion (Acid Resistant) | Weight (kg) | 245 kg – 890 kg (Model Dependent) |
| Oil Capacity (L) | 8.5 L – 24 L | Breather System | Pressure Compensated (Anti-clog) |
| Gear Geometry | Involute Profile with Tip Relief | Backlash (arcmin) | ≤ 15 arcmin |
| Max. Instantaneous Torque | 2.5 x Rated Torque | Bearing Brand | SKF / FAG High Capacity Tapered |
| Warranty Term | 24 Months International Warranty | Service Factor (Sf) | 1.5 – 2.0 (Customizable) |
| Input Connection | NEMA/IEC Motor Adapter or PTO Shaft | Magnetic Plug | Standard Inclusion for Metal Capture |

2. Product Overview: The Core of Feed Consistency
In the intensive dairy and beef livestock sectors of Ukraine—from the fertile plains of Poltava to the industrial agricultural hubs of Chernihiv—the Horizontal Total Mixed Ration (TMR) mixer is an indispensable piece of machinery. At the heart of this machine lies the planetary gearbox, a sophisticated transmission system engineered by ever-power to convert high-speed PTO (Power Take-Off) or hydraulic input into the massive, steady torque required to shred long-fiber hay and blend heavy silage into a uniform ration.
Our planetary gearboxes are specifically tailored for horizontal auger systems. Unlike traditional bevel gear drives, the planetary configuration offers superior load distribution across multiple planet gears, ensuring that the heavy radial and axial loads generated during the mixing of 10 to 30 cubic meters of feed do not lead to premature bearing failure or gear tooth shearing. By utilizing ever-power transmission technology, Ukrainian farmers can achieve a Coefficient of Variation (CV) in feed mixing of less than 5%, directly impacting milk yield and bovine health.

3. Working Principle: Harnessing Planetary Power in TMR Mixing
The planetary gearbox utilized in a horizontal TMR mixer operates on a multi-stage reduction logic. Inside the rugged ductile iron housing, a central sun gear drives multiple planet gears held within a carrier, which in turn rotate within an outer ring gear. This configuration allows for high power density in a compact volume, which is critical for mounting on the front or side of a mixer trailer without creating excessive overhang.
In a horizontal mixer, the gearbox is usually coupled directly to the main auger shaft. As the tractor PTO transmits power through a PTO shaft, the agricultural gear reducer steps down the speed from 540 RPM to a mixing-optimal 15-35 RPM. This massive reduction in speed creates the torque required to pull entire round bales of alfalfa into the cutting knives and blend them with corn silage and liquid supplements. The planetary gearbox acts as a torque multiplier, ensuring the auger continues to rotate even when the mixer is filled to its 100% volumetric capacity, preventing “slugging” or motor stall.
Beyond mere rotation, the ever-power gearbox facilitates a “mass flow” mixing pattern. The precise gear ratios are calculated to ensure that the feed is not just tumbled but actively pushed from the ends of the mixer toward the center, ensuring that mineral additives are evenly distributed throughout the batch. This prevents cattle from “sorting” their feed, leading to more efficient digestion and reduced waste on Ukrainian farms.

4. Ukraine Extreme Operating Conditions: Field Study
Agricultural operations in Ukraine present a unique set of challenges that standard gearboxes often fail to meet. Our engineering team has conducted extensive field studies across the “Chernozem” (Black Soil) belt, focusing on regions like Sumy, Vinnytsia, and Kyiv. The TMR mixers here operate in a continental climate where summer temperatures can soar to +40°C during the wheat harvest, and winter temperatures plunge to -30°C.
Thermal Management in Extreme Cold: In the Ukrainian winter, conventional gear oils can become highly viscous, leading to “dry start” scenarios where the gears are not properly lubricated for the first several minutes of operation. ever-power addresses this by utilizing synthetic lubricants and specialized internal oil channels that promote rapid flow even at sub-zero temperatures. Furthermore, our planetary gearbox housings are designed with optimized thermal mass to retain heat between feeding sessions, reducing thermal shock to the metallic structure.
Chemical Corrosion Resistance: TMR mixing involves silage, which is naturally acidic due to fermentation. In regions like Lviv and Ternopil, high-moisture silage is common. The airborne acidity and direct contact with “juice” from fermented corn can degrade standard seals and housing paint. Our agricultural manufacturer standards mandate a dual-layer epoxy coating and Viton-based seals that are chemically inert to silage acids, ensuring a service life that exceeds 10 years in these harsh conditions.

5. National Standards & Certification Landscape: Ukraine & Eastern Europe
As Ukraine aligns its agricultural standards with the European Union, compliance with the CE Machinery Directive (2006/42/EC) has become a prerequisite for Tier-1 livestock operations. Our planetary gearboxes are fully certified under these directives, ensuring that integrated safety features—such as shear bolt protection on the input shaft and explosion-proof pressure relief valves—are standard.
Furthermore, we adhere to the DSTU (National Standards of Ukraine) for agricultural machinery components. This includes rigorous vibration testing to prevent the resonance issues common on large-scale horizontal mixers like those manufactured by Zavod Kobzarenka or Umanfermmash. Our global footprint also ensures compliance with Brazil’s INMETRO and India’s CMVR, making our gearboxes a safe choice for multinational OEM manufacturers exporting from Ukraine.
6. Competitive Analysis: Why ever-power Leads the Field
| Feature Comparison | Standard Industry Gearbox | ever-power Planetary Series |
|---|---|---|
| Gear Finishing | Milled or Skived | CNC Ground (DIN 6 Precision) |
| Seal Longevity | Standard Nitrile (2,000 hrs) | Viton Quad-Lip (6,000+ hrs) |
| Low-Temp Performance | Operational to -10°C | Operational to -40°C (Polar Kit) |
| Housing Strength | Grey Cast Iron (Brittle) | Ductile Iron QT450 (High Impact) |
Disclaimer: Mention of third-party brands (e.g., Comer Industries, Bonfiglioli, Brevini) is for technical comparison and cross-referencing purposes only. All trademarks belong to their respective owners. our products are independently engineered as compatible high-performance alternatives.
7. Engineer’s Field Notes: Designing for the “Black Earth” Farms
Senior Mechanical Engineer – Transmission Systems
“When we began the redesign of the planetary gearbox for the Ukrainian market, our primary concern wasn’t just torque—it was shock load management. In the Kharkiv region, we observed that frozen silage blocks act like solid stones when first hit by the auger. This creates a reverse torque spike that can snap a standard shaft.”
“We introduced the ‘Infinite Life’ tooth profile. By using a 20CrMnTi alloy with a deeper carburized layer (up to 1.2mm), we ensured that the core remains ductile enough to absorb the shock, while the surface remains diamond-hard. We also moved to a triple-planetary arrangement per stage, which increases the contact ratio and spreads the stress. The result? A 40% reduction in catastrophic failures reported by our local service centers in Kyiv.”

8. Global Footprint: 5 Customer Case Studies
Country: Ukraine (Poltava Oblast)
Application: 24m³ Horizontal Mixer for 1,500 Head Dairy
Feedback: “Before switching to ever-power, we were replacing our center drive every 18 months due to seal leaks leading to gear burn. The new planetary unit has run for 3 years straight. The temperature stays stable even during our 6-hour daily mixing routine.”
Country: Brazil (Mato Grosso)
Application: Feedlot Wagon in 40°C Heat
Feedback: “Tropical heat is the enemy of gearboxes. The oversized cooling fins on the ever-power housing kept the oil temperature 15 degrees lower than our previous Italian brand. Essential for our 24/7 operation.”
Country: USA (Wisconsin)
Application: Stationary Mixer for Large Scale Silo
Feedback: “The compatibility was perfect. We swapped out a worn-out unit on a Kuhn mixer without modifying the mounting plate. Saved us $4,000 compared to OEM parts.”
Country: Germany (Bavaria)
Application: Biogas Plant Substrate Mixer
Feedback: “Continuous duty in a biogas plant is the ultimate test. The planetary gearbox handles the high-viscosity substrate with no vibration. The magnetic drain plug is a great feature for preventative maintenance.”
Country: Australia (New South Wales)
Application: Pasture-based Beef Supplement Trailer
Feedback: “Dust ingress was our main killer. The IP67 rating on the ever-power gearbox actually works. We opened it for a 12-month check, and the oil was as clean as the day we poured it.”
9. One-Stop Agricultural Transmission Solutions
We don’t just provide gearboxes; we provide complete drivetrain systems. From the tractor’s PTO to the mixer’s auger, we ensure 100% system compatibility.
PTO Drive Shafts
Heavy-duty PTO shafts with safety covers and friction clutches.

Bánh răng nông nghiệp
Precision-machined sprockets for chain-driven floor conveyors.

10. Warning Signs: When to Replace Your TMR Gearbox
Ignoring minor symptoms in a planetary gearbox can lead to an expensive total breakdown mid-feeding. Watch for these indicators:
- Excessive Backlash: If the auger has more than 15 degrees of “play” before rotating, gear teeth are likely worn.
- Metallic Debris in Oil: Fine silver shavings during oil changes indicate bearing race degradation.
- Oil Seal Discoloration: Brittle or discolored seals suggest the gearbox has suffered a thermal overload.
- Abnormal “Whining” Noise: High-pitched sounds often point to misalignment or insufficient lubrication on the sun gear stage.
FAQ
Q1: How can I determine the correct planetary gearbox ratio for my 18 cubic meter horizontal TMR mixer?
Q2: What are the primary advantages of using a planetary gearbox over a standard bevel gear drive in Ukraine’s dairy farms?
Q3: Where can I find a reliable planetary gearbox supplier in Ukraine for Kuhn or Siloking mixer replacements?
Q4: Does the agricultural gear reducer come with built-in protection against the shock loads from frozen silage blocks?
Q5: Which type of synthetic oil is recommended for a planetary gearbox operating in the cold winters of Chernihiv?
Q6: How does the planetary gearbox price compare to traditional worm gear reducers for B2B agricultural buyers?
Q7: What is the typical lead time for a custom-ratio planetary gearbox ordered for a livestock machinery OEM in Ukraine?
Q8: Is it possible to integrate a hydraulic motor directly into the planetary gearbox input for self-propelled mixers?
Editor: PXY