Beschrijving
1. Technical Specifications: EP-Post Hole Digger Gearbox – Replacement of Comer Code T-22F
| Specification Parameter | Technical Data / Value | Performance Advantage |
|---|---|---|
| Replacement Model | Comer Code T-22F (Series T-22) | Direct drop-in compatibility |
| Overbrengingsverhouding | 3.0:1 (Standard Reduction) | Optimal torque multiplication for 30-50HP |
| Input Shaft (PTO) | 1 3/8″ Z6 Spline (Standard 6-Spline) | Universal fit for Brazilian tractors |
| Uitgaande as | 1 1/4″ (31.75mm) Round with Cross Hole | Fits standard augers & locking pins |
| Ingangsvermogen | 20 HP – 45 HP (at 540 RPM) | Ideal for compact & utility tractors |
| Huisvestingsmateriaal | Ductile Iron / Grey Iron HT250 | Superior impact resistance |
| Gewicht (ca.) | 18 kg – 22 kg | Lightweight yet durable design |
| Smering | SAE 90 Gear Oil (Dry Shipped) | Standard maintenance availability |
Post Hole Digger Gearbox Parts


2. Why the EP‑Post Hole Digger Gearbox – Replacement of Comer Code T-22F) is a Reliable Choice for Customers in Brazil?
1. Designed for Heavy Agricultural Use
The EP-Post Hole Digger Gearbox is engineered specifically for demanding agricultural tasks like fence post installation, orchard planting, and vineyard support—common applications across Brazil’s agricultural regions. It delivers consistent, high-performance power transmission from the tractor’s PTO to the auger, making it efficient even in tough, varied soil conditions like those found in the Brazilian Cerrado and the fertile soils of southern Brazil.
2. Perfect Compatibility and Easy Installation
This gearbox is a direct replacement for the Comer T-22F model, ensuring seamless integration into existing machinery without modifications. Brazilian farmers and agricultural operators benefit from easy, cost-effective replacement with minimal downtime, allowing their operations to continue smoothly.
3. Robust and Durable Construction
Built with high-strength materials such as cast iron housing and hardened gears, the gearbox is designed to endure the harsh conditions of frequent use and tough outdoor environments. Whether it’s heavy clay soils, rocky fields, or dry farming land, this gearbox performs reliably over time, reducing the risk of damage and the need for frequent replacements.
4. High Torque Output for Demanding Conditions
With its efficient gear ratio, the EP‑Post Hole Digger Gearbox offers high torque output that’s crucial for drilling through dense, compacted soils or tough terrain found in Brazil. This high torque ensures smooth operation, even when dealing with challenging ground conditions, making it an excellent fit for Brazilian agricultural needs.
5. Cost-Effective and Long-Lasting
In Brazil’s cost-sensitive agricultural market, the EP‑Post Hole Digger Gearbox provides excellent value for money, offering performance similar to the original Comer T-22F at a more affordable price. This makes it an attractive option for Brazilian farmers looking to optimize their investments without compromising on performance.
6. Low Maintenance and Easy Service
Routine maintenance is straightforward, with long oil change intervals (up to 500 hours), reducing maintenance costs and downtime. The gearbox is designed for easy servicing, and parts like seals and bearings are readily available, ensuring that farmers in Brazil can maintain their equipment with ease and keep their operations running efficiently.
7. Suitable for a Wide Range of Brazilian Agricultural Operations
Whether it’s used in small family farms of large-scale commercial operations, the EP‑Post Hole Digger Gearbox is versatile enough to handle a variety of tasks, including fence posts, tree planting, and infrastructure installation. Its compatibility with Brazilian equipment ensures broad adoption across the country’s diverse farming sectors.
3. Engineering Precision for South American Agriculture: The T-22F Replacement Standard
In the diverse and demanding agricultural landscapes of Brazil, from the coffee plantations of Minas Gerais to the expansive soy fields of Mato Grosso, equipment reliability is the cornerstone of productivity. The EP-Paalgat graafmachine tandwielkast - vervanging van Comer code T-22F stands as a testament to precision engineering designed to meet these rigorous challenges. This gearbox is not merely a spare part; it is a specialized power transmission unit crafted to replace the widely used Comer T-22F model seamlessly. Engineered to withstand the high torque demands of digging through compacted “Terra Roxa” and abrasive clay soils, our gearbox ensures that your tractor’s PTO energy is efficiently converted into vertical drilling power. By utilizing advanced manufacturing techniques, we address the critical needs of Brazilian farmers and machinery dealers who require components that offer longevity and robust performance under tropical conditions. Whether utilized for erecting miles of cattle fencing in Goiás or installing vineyard trellises in Rio Grande do Sul, this gearbox offers a universal fit for standard Category 1 3-point hitch diggers. Our commitment to quality ensures that this aftermarket solution matches, and in critical metallurgical aspects, exceeds the performance standards of the original OEM equipment, providing a cost-effective yet superior alternative for the global B2B market.
4. Compliance with Brazilian NR-12 Safety Standards and International Regulations
Operating rotating machinery in the agricultural sector carries inherent risks, which is why adherence to safety standards is non-negotiable. For our clients operating within Brazil, our EP-Post Hole Digger Gearboxes are meticulously designed to support compliance with Norma Regulamentadora No. 12 (NR-12), the Brazilian regulatory standard for Machinery and Work Equipment Safety. The housing of our T-22F replacement unit features reinforced mounting bosses specifically engineered to accommodate robust safety shields and PTO guards. This design consideration is critical for preventing operator contact with rotating input shafts and drivelines, a mandatory requirement under Brazilian labor laws to ensure worker safety. Furthermore, our manufacturing processes align with ABNT NBR ISO 4254-1 (Agricultural machinery – Safety), ensuring that the mechanical integrity and guarding capabilities meet both local and international expectations. By integrating these safety-forward design elements, we help equipment manufacturers and distributors in São Paulo and beyond mitigate liability risks while providing end-users with equipment that is safe to operate in the field. We prioritize the “Safety by Design” philosophy, ensuring that every replacement gearbox we ship contributes to a safer agricultural working environment across Latin America.
Post Hole Digger Gearbox – Replacement of Comer Code T-290F’s Advanced Working Principle
The core function of the EP-Post Hole Digger Gearbox (T-22F Replacement) is to execute a precise 90-degree redirection of mechanical power while simultaneously reducing speed and increasing torque. This is achieved through a high-precision Spiral Bevel Gear Set. Unlike straight bevel gears which engage abruptly, our spiral profile gears engage gradually, providing smoother transmission, reduced noise levels, and higher load capacity—crucial for drilling into rocky or uneven terrains often found in Brazilian backlands. The input shaft, connected to the tractor’s 540 RPM PTO, drives the pinion gear, which in turn drives the larger crown gear on the output shaft, typically achieving a 3:1 reduction ratio. This multiplication of torque allows a 30-50 HP tractor to drive augers up to 12 inches (300mm) in diameter through tough subsoil layers efficiently.
Metallurgy & Material Science
Durability starts with material selection. The housing of our T-22F replacement is cast from HT250 (GG25) Grey Cast Iron, selected for its exceptional rigidity and vibration damping characteristics. This material choice prevents housing distortion under heavy loads, ensuring perfect gear mesh alignment. The internal gears are forged from premium 20CrMnTi Legeringsstaal, a material renowned for its fatigue strength. We employ a controlled gas carburizing and quenching heat treatment process to achieve a surface hardness of HRC 58-62. This hardened “case” resists wear and pitting, while the ductile core absorbs the shock loads typical of hitting tree roots or stones. This metallurgical duality ensures that our gearboxes survive the harsh, corrosive, and abrasive environments typical of tropical agriculture.
5. Customer Reviews
“This EP-Post Hole Digger Gearbox has been a game-changer for our farm in Brazil. It works seamlessly with our existing equipment and handles tough soils with ease. The installation was quick and easy, and we’ve noticed a significant boost in efficiency!” — João, Brazil
“We use this gearbox in our vineyards in São Paulo, and it’s been fantastic! The high torque and smooth power transmission are perfect for our demanding conditions. It’s a reliable and cost-effective solution for our operations.” — Maria, Brazil
“The EP-Post Hole Digger Gearbox has exceeded our expectations. We’ve used it for various tasks on our farm in Paraná, including tree planting and fence installation, and it’s held up well under heavy use. Highly recommended for any agricultural operation!” — Carlos, Brazil
“As a farm equipment dealer in Brazil, I’ve had great feedback from our clients using this gearbox. It’s an excellent replacement for the Comer T-22F, offering durability and performance that meets the needs of Brazilian farmers.” — Lucas, Brazil
6. Post Hole Digger Gearboxes Application Scenarios
1. Agricultural Land Preparation
The gearbox is commonly used in preparation of agricultural land, including:
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Post Hole Drilling: Ideal for drilling holes to install fence posts, which is crucial for livestock enclosures, boundary fences, and agricultural property divisions.
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Tree Planting: Used for planting fruit trees, timber trees, or other crops, helping to create uniform planting holes that support efficient growth.
2. Vineyard and Orchard Support Structures
In vineyards and orchards, this gearbox is essential for installing:
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Trellis Posts: Used for installing support posts for grapevines or other climbing plants.
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Irrigation Support: Helps install structures for irrigation systems that are critical for agriculture in water-scarce areas.
3. Farm Infrastructure
Farm infrastructure requires consistent and reliable drilling, and this gearbox is used to create holes for:
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Utility Poles: For setting up electricity poles, irrigation pipes, or other utility infrastructure.
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Farm Buildings: For creating holes in the ground to install posts and beams for barns, warehouses, and other farm buildings.
4. Landscaping and Green Spaces
The gearbox is also useful in non-agricultural applications, such as:
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Park Installation: For setting up public infrastructure in parks, like benches, signage, or light poles.
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Residential Landscaping: Drilling holes for installing trees, shrubs, or decorative fences in private gardens or residential projects.
5. Construction and Maintenance Projects
In construction or maintenance of various structures, this gearbox helps drill holes for:
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Outdoor Infrastructure Projects: Drilling holes for pergolas, billboards, guardrails, and more in residential or commercial areas.
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Reconstruction and Maintenance: Used for the maintenance of existing structures, including replacing old posts or setting up new ones, especially in agricultural environments.
6. Utility and Public Works Projects
The gearbox is used in public works and utility projects, such as:
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Roadside Infrastructure: Drilling holes for installing traffic signs, guardrails, or utility poles along highways and roads.
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Construction of Foundations: For creating stable foundations by drilling holes for supporting pillars and other foundational elements.
7. Soil Improvement and Agricultural Expansion
For farms that focus on soil improvement and expansion, the gearbox can be used in:
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Soil Aeration: Helps to create planting holes for soil conditioning, promoting better growth conditions for crops.
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Expanding Agricultural Land: Facilitating new land development by preparing it for crops, livestock fences, or structures in expanding agricultural operations.

7. Market Trends 2025: The Future of Compact Agricultural Transmissions
The agricultural gearbox market, particularly for compact tractor implements, is undergoing a significant transformation driven by the trends of “Precision Efficiency” en “Modular Sustainability”. In 2025, we observe a growing demand in Brazil for gearboxes that offer higher torque-to-weight ratios. Farmers are increasingly adopting compact, high-horsepower tractors for narrow-row crops like coffee and vineyards, necessitating gearboxes like the T-22F replacement that can handle increased power density without increasing the physical footprint of the implement. Furthermore, sustainability is influencing component design; there is a notable shift towards improved sealing technologies to prevent oil leaks, protecting soil health in ecologically sensitive areas like the Amazon basin fringes. Another key trend is the demand for “Plug-and-Play” aftermarket solutions. With the rising cost of OEM parts, machinery owners are seeking high-quality, standardized replacement parts that offer OEM-level performance at a fraction of the cost. Our EP-Post Hole Digger Gearbox aligns perfectly with these trends, offering advanced metallurgy for durability, upgraded seals for environmental compliance, and precise engineering for immediate compatibility, ensuring that Brazilian agriculture remains productive and sustainable.
8. Waarom Kiezen Voor Ons?
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Comprehensive SolutionsWij begrijpen het belang van betrouwbare, compatibele componenten in uw machines. Door zowel landbouwtransmissies als aftakastoestellen aan te bieden, zorgen wij ervoor dat elk onderdeel perfect samenwerkt, waardoor de efficiëntie wordt verbeterd en stilstand wordt verminderd.
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Built for DurabilityOnze PTO-assen zijn vervaardigd uit hoogwaardige materialen om de zwaarste werkomstandigheden te weerstaan. Of u nu zware machines aandrijft of landbouwmachines op kleine schaal onderhoudt, onze PTO-assen bieden de kracht en betrouwbaarheid die u nodig heeft.
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Seamless Integration: Onze aftakastoeren zijn ontworpen als een perfecte aanvulling op onze landbouwtransmissies en zorgen voor een soepele krachtoverbrenging, waardoor de algehele prestaties van uw apparatuur verbeteren. Deze naadloze integratie stelt u in staat de productiviteit te maximaliseren en mechanische storingen te verminderen.
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Customizable Options: Wij bieden een breed scala aan aftakastoepassingen, van standaardconfiguraties tot op maat gemaakte oplossingen, om ervoor te zorgen dat aan uw specifieke behoeften wordt voldaan. Of u nu werkt in de landbouw, de bouw of een ander gerelateerd vakgebied, wij hebben de perfecte aftakas voor u.
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Cost-EffectiveDoor zowel landbouwversnellingsbakken als aftakastoestellen van één enkele leverancier te betrekken, bespaart u op kosten en stroomlijnt u uw inkoopproces. Onze producten zijn ontworpen om langdurige waarde te bieden, waardoor de noodzaak voor frequente vervangingen afneemt.
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Reliable Service and SupportOns team van experts staat altijd klaar om te helpen met productselectie, installatie en onderhoudsadvies. We streven ernaar ervoor te zorgen dat uw machines soepel en efficiënt draaien, zodat u zich zonder onderbrekingen op uw werk kunt concentreren.

9. Gerelateerde Producten - PTO-as
At EVER-POWER, we not only focus on producing high-quality agricultural gearboxes, but also on manufacturing a critical component that powers various agricultural and industrial applications – the power take-off shaft (PTO shaft). Our PTO shafts are designed to meet the demanding requirements of modern agricultural equipment, providing durability and efficiency for a wide range of operations.Compatible with local Brazilian industries.
Onze PTO-as producttypes omvatten: PTO as voor schijvenmaaier, PTO-as voor voermengers, PTO as voor klepelmaaiers, PTO-as voor ronde balenpersen, en PTO as voor vierkante balenpersen.

Frequently Asked Questions (FAQ) about EP-T22F Gearbox
Q1. What is the current price for the EP replacement of Comer T-22F gearbox delivered to Curitiba, Brazil?
A1. The landed cost to Curitiba varies based on order volume and current freight rates from our factory. As a B2B supplier, we provide competitive wholesale pricing (FOB/CIF) that is significantly lower than local OEM retail prices. Please request a quote today for the most accurate pricing including shipping estimates to Paraná state.
Q2. Is this T-22F replacement gearbox suitable for drilling post holes in the rocky soil of Minas Gerais?
A2. Yes, absolutely. Our gearbox is manufactured with high-strength 20CrMnTi alloy steel gears and a robust cast iron housing specifically designed to absorb the shock loads encountered when drilling in rocky or compacted soils typical of the Minas Gerais region.
Q3. How do I install this replacement gearbox on my existing 3-point hitch post hole digger?
A3. Installation is straightforward as our unit is a direct dimensional replacement. Simply remove the old gearbox from the boom yoke, align the mounting holes of the EP-T22F, secure it with the mounting bolts, connect the PTO shaft to the input spline, and attach the auger to the output shaft.
Q4. Which type of gear oil should I use for this gearbox in tropical climates like Brazil?
A4. We recommend using a high-quality SAE 90 or SAE 85W-140 gear oil. For tropical climates in Brazil, SAE 85W-140 provides excellent viscosity stability at higher operating temperatures, ensuring consistent protection for the internal gears and bearings.
Q5. Does this gearbox comply with Brazilian NR-12 safety regulations regarding PTO guarding?
A5. Yes, our gearbox housing features integrated mounting points designed to accept standard safety shields. To fully comply with NR-12, you must ensure that the plastic PTO guard and auger shield are properly installed to prevent operator contact with rotating parts.
Q6. Can I use this gearbox with a hydraulic motor instead of a tractor PTO shaft?
A6. This specific model is designed for a mechanical 540 RPM PTO input. However, we do offer specialized adapters or separate hydraulic-drive gearbox models. Please contact our engineering team with your hydraulic system specs for a custom solution recommendation.
Q7. What is the warranty policy for bulk B2B orders of agricultural gearboxes to South America?
A7. We provide a comprehensive 12-month manufacturer’s warranty against defects in materials and workmanship for all our gearboxes. This warranty provides peace of mind for importers and dealers across South America, ensuring you receive reliable products.
Q8. Where can I buy replacement seals and bearings for the EP-T22F gearbox in the future?
A8. As the original manufacturer of this replacement unit, we supply full service kits including oil seals, bearings, and gaskets. You can order these maintenance parts directly from us along with your gearbox shipment to ensure long-term serviceability.
Q9. What is the maximum auger diameter recommended for this 40HP gearbox model?
A9. For this 40HP rated gearbox with a 3:1 ratio, we typically recommend auger bits up to 12 inches (300mm) in diameter for heavy clay soils, and up to 18 inches (450mm) for lighter, sandy soils to prevent overloading the gears.
Q10. How do I verify if this gearbox is compatible with my old Comer T-22F unit?
A10. You can verify compatibility by checking the input shaft (standard 1 3/8″ 6-spline) and the output shaft diameter (usually 1 1/4″ round). If these match your current unit, our EP-T22F is designed as a direct mounting replacement.
Redacteur: PXY



