Rotary Tiller Gearbox – Replacement of Comer Code TB-27C
The TB-27C rotary tiller gearbox from TEBSA, Argentina’s trusted manufacturer since 1997, powers rotary tillers with up to 15 horsepower for small to medium-scale farming. Built to handle the demands of soil preparation, this gearbox delivers reliable performance across Argentina’s diverse farmlands, from the Pampas to Córdoba’s fields. With a 100% quality guarantee and a 50% cost advantage over original brands, it’s a smart choice for farmers seeking durability without breaking the bank.
Crafted from cast iron GG25, the TB-27C stands up to tough conditions while keeping maintenance simple. Its straightforward design cuts down on breakdowns, and it runs quietly—perfect for noise-sensitive areas like rural communities near Buenos Aires. Whether you’re tilling soil for soybean, wheat, or maize, this gearbox ensures steady power from the tractor’s PTO to the tiller blades, boosting efficiency in every pass.
The TB-27C fits seamlessly into rotary tillers and even manure spreaders, offering versatility for Argentine farmers. Easy to install and backed by TEBSA’s 24-hour response team, it’s designed for hassle-free use. For those looking to buy a rotary tiller gearbox online, the TB-27C combines value, strength, and performance in one package.
Why Choose the TB-27C Rotary Tiller Gearbox?
The TB-27C isn’t just another agricultural gearbox—it’s a workhorse built for Argentina’s farmers. Here’s what sets it apart:
1. Reliable Power Delivery: With a max input power of 40.5 kW and output torque up to 693 Nm, it drives tiller blades through tough soils, from clay-heavy plots to sandy fields. This makes it ideal for preparing land for crops like soybean or maize in regions like Santa Fe.
2. Tough Build: Made from cast iron GG25, a material known for its strength, the TB-27C resists wear even after long hours in the field. Our forging and heat treatment processes, perfected since 1997, ensure it holds up under Argentina’s demanding conditions.
3. Low Noise Operation: Unlike noisier models, the TB-27C runs quietly, keeping peace in rural areas or near livestock farms around Rosario. It’s a small detail that makes a big difference.
4. Easy to Work With: Installation takes no time, and maintenance is a breeze—check the oil, grease the shaft, and you’re set. No complicated parts mean fewer headaches for farmers.
5. Budget-Friendly: At 50% less than comparable brands, it delivers premium performance without the premium price. For small-scale farmers or those buying rotary tiller gearboxes online in Argentina, it’s a cost-effective solution.
6. Versatile Fit: Beyond rotary tillers, it works with manure spreaders, giving farmers flexibility for soil prep and fertilization tasks in one season.
Technical Specifications and Features
The TB-27C rotary tiller gearbox is engineered for performance and simplicity. Below are its key specs, designed to meet the needs of Argentina’s agricultural sector:
Description |
Rotary Tiller Gearbox - Replacement of Comer Gearbox TB-27C
|
---|---|
Application |
|
Consists of |
|
Technical information |
|
Max. input power |
40.5 kW
|
Max. output torque |
693 nm
|
Contains oil |
No
|
Max. oil capacity |
1.1 l
|
Max. oil change interval |
500 h
|
Oil SAE viscosity grade |
80W-90
|
Housing material |
Cast iron GG25
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Weight |
39.5 kg
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Gear arrangement |
26
|
Ratio |
1:1
|
Input shaft |
Z
|
Shaft X |
1 3/8" (6) (C)
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Shaft Z |
1 3/8" (6) (A)
|
Additional Features:
- Precision Gearing: The 1:1 gear ratio ensures consistent power transfer, avoiding energy loss during tilling.
- Compact Design: At 39.5 kg, it’s lightweight for its class, making it easier to handle during installation.
- Oil Maintenance: Uses 80W-90 oil, with a 1.1-liter capacity and a 500-hour change interval for long-term reliability.
- Flexible Shafts: Compatible with 1 3/8" (6) PTO shafts, standard in Argentine tractors.
Applications and Benefits in Argentine Agriculture
The TB-27C rotary tiller gearbox shines in Argentina’s farming landscape, where soil prep is critical for crops like soybean, wheat, maize, and alfalfa. Its versatility and strength make it a go-to for small and medium farms across Buenos Aires, Santa Fe, and Mendoza.
Key Applications:
- Rotary Tilling: Breaks up compacted soil for planting, ideal for Argentina’s Pampas plains where heavy clay soils dominate.
- Manure Spreading: Doubles as a gearbox for spreaders, helping farmers enrich fields before sowing.
- Seedbed Preparation: Creates fine, even seedbeds for crops like wheat, boosting germination rates.
Why It Works for Argentina:
In Argentina, farming means dealing with everything from dusty summer fields to wet winter soils. The TB-27C’s cast iron GG25 housing shrugs off wear, whether you’re tilling near Rosario or spreading manure in La Plata. Its quiet operation keeps things calm around livestock or rural homes, and the 693 Nm torque powers through tough ground without bogging down.
For small-scale farmers, the TB-27C’s affordability is a game-changer. Compared to pricier brands, TEBSA’s 50% cost advantage means you get high-end performance without draining your budget. Plus, its simple setup saves time—bolt it on, hook up the PTO, and start tilling. Online buyers searching for a “rotary tiller gearbox for sale in Argentina” will find the TB-27C’s balance of price and quality hard to beat.
Maintenance Tips for Longevity:
To keep the TB-27C running smoothly:
- Check oil levels every 50 hours for the first use, then every 500 hours.
- Use 80W-90 oil to maintain gear lubrication.
- Inspect the input shaft for wear and grease it regularly.
- Store in a dry place to protect the cast iron from rust.
Our team’s ready to answer questions within 24 hours, so you’re never stuck.
Comparing the TB-27C to Other Gearboxes
Wondering how the TB-27C stacks up? Here’s a quick look at its place in the market:
Feature | TB-27C | Standard Competitor |
---|---|---|
Max Power | 40.5 kW | 30-50 kW |
Torque | 693 Nm | 500-700 Nm |
Material | Cast Iron GG25 | Cast Iron or Aluminum |
Weight | 39.5 kg | 35-45 kg |
Cost | 50% less than originals | Full price |
Noise Level | Low | Moderate |
The TB-27C holds its own with a strong torque output and a price that’s tough to match. Its cast iron build outperforms lighter aluminum options in durability, especially for Argentina’s rough soils. For farmers searching for a “reliable rotary tiller gearbox in Argentina,” the TB-27C delivers without compromise.
About TEBSA and Our Other Agricultural Solutions
Since 1997, TEBSA has been Argentina’s go-to for agricultural gearboxes, blending experience with innovation. Based in Argentina, we’re proud to serve farmers from Mendoza to the Pampas with products that last. Our ISO9001-2015 certification backs our 100% quality guarantee, and our 50% cost advantage makes high-performance gear affordable. With a team that responds in 24 hours, we’re here to keep your farm running.
Beyond the TB-27C rotary tiller gearbox, we offer a full lineup:
- Rotary Cutter Gearboxes: Like the RC-61, perfect for mowing tough pasture.
- Fertilizer Spreader Gearboxes: For even nutrient distribution.
- Lawn Mower Gearboxes: Built for precision cutting.
- Post Hole Digger Gearboxes: Ideal for fencing or planting.
- Flail Mower Gearboxes: Tough enough for heavy weeds.
- Manure Spreader Gearboxes: Streamline soil enrichment.
Looking to buy agricultural gearboxes online in Argentina? TEBSA’s range covers everything from tilling to harvesting. Reach out today to find the right fit for your farm!
Ready to upgrade your tiller? Contact TEBSA for a quote on the TB-27C or explore our full catalog at agricultural-gear-boxes.com.
About us

We guarantee top-quality products at the best prices in China! Special orders are welcome, and if you’re interested in any of our products, feel free to reach out for more detailed information. We ensure our products are safe, high-quality, and reasonably priced. Please contact us as soon as possible if you’d like to learn more. We’re eager to cooperate with you!
A large portion of our products is exported to Europe and the Americas, with both standard and custom options available. We can manufacture according to your drawings or samples, using standard materials or as per your specific requirements. Choosing us means choosing reliability.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request

Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port

Industries We Service
