No Maintenance NEMA Gearbox Manufacturer

power transmission gearboxes NEMA gearboxes

Advantages of No-Maintenance NEMA Gearbox Design 

When we say our NEMA gearbox designs are “no-maintenance,” that’s exactly what we mean—you won’t have to worry about oil changes, grease checks, or hidden service intervals. We’ve designed these gearboxes are engineered for zero-maintenance operation, reducing complexity and allowing maintenance planners to focus on other preventive tasks. But the benefits of these designs go well beyond saving you time and money when it comes to maintenance tasks.  

The sealed housings, precision-machined tolerances, and corrosion-resistant finishes of our NEMA gearboxes ensure they provide prolonged lifespans. Even in environments where they will be subjected to harsh washdowns, high-pressure-cleanings, or dusty conditions, these gearboxes offer extended usable life compared to other models.  

Our offerings also provide exceptional reliability in critical environments. A no-maintenance gearbox means a higher degree of production consistency in situations where downtime can be extremely costly, such as food processing, beverage production, or material handling. Unlike conventional gearboxes, our sealed, lifetime-lubricated design eliminates oil changes and prevents leaks, rust, and seal degradation.

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The KSS series is the world’s toughest gearbox.

It is made from stainless steel and electropolished to create a product that can withstand the harshest cleaning.

No maintenance, no water ingress, no oil leaks.

KSS hollow

KSS Series: TECHNICAL DATA

Power Density:
Price Range:
$
$
$
$
$
  • Total gear ratio range: 4 – 272
  • Output torque: 364 – 4,872 lb in
  • Efficiency: Up to 97%
  • Overhung Load Capacity: Up to 2,520 lbs.

Find your right fit!

KSS hollow

KSS Series: FEATURES

  • Outputs:
    • Hollow bore
    • Shaft output
    • Double wobble free bushing
  • Housing Styles:
    • Output flange
    • Pitch circle diameter tapped holes
    • Foot mounting
    • Torque arm bracket
  • Motor Adapter:
    • MSR – standard clamp coupling
  • Mounting Positions:
    • EL1256 (Any horizontal output position)
    • E34
  • IP Ratings:
    • IP68 and IP69K Certified

Find your right fit!

KSS features

KSS Gearbox by STOBER Drives Click play to begin and ? icon for controls and navigation assistance

KSS Series: PART NUMBER EXAMPLE:

kss gearbox part number

KSS 1 0 2
W G
0040
MS1R 050
E1256
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The K/KL series is the ultimate solution for right angle applications.

With its unique helical bevel gearing, you achieve unparalleled performance, efficiency, and lifetime. It is 98.5% efficient per stage of gearing.

Choose the output and housing style that fits your application.

Output options include hollow bore, shaft, and bushing. Housing styles include torque arm, foot mounting, flange, and tapped holes.

KSS hollow

K Series: TECHNICAL DATA

Power Density:
Price Range:
$
$
$
$
$
  • Total gear ratio range: 4 – 381
  • Output torque: 298 – 94,002 lb in
  • Efficiency: Up to 97%
  • Overhung Load Capacity: Up to 18,000 lbs.

Find your right fit!

K hollow

K Series: FEATURES

  • Outputs:
    • Hollow bore
    • Shaft output (K)
    • Shaft with or without key (KL)
    • Single or double wobble free bushing
  • Housing Styles:
    • Output flange (Round for K, Square for KL)
    • Pitch circle diameter tapped holes
    • Foot mounting
    • Torque arm bracket
  • Package Options: options for different environments. A package includes coating, lubrication, and output material
    • Standard Duty – RAL-9005 black paint, Synthetic Exxon Mobil SHC 629, carbon steel output
    • Corrosion Resistant Duty – 316 stainless steel epoxy paint, Exxon Mobil SHC 630 or 600XP220 Mineral, and stainless steel output
    • Food Duty – 316 stainless steel epoxy food duty paint with anti-microbial clear coat, Exxon Mobil SHC CIBUS 220, and stainless steel output
  • Motor Adapter:
    • MLR – standard clamp coupling for KL
    • MR – standard clamp coupling for K
  • Mounting Positions:
    • Standard Duty – EL1, 2, 3, 4, 5, or 6
    • Corrosion Resistant or Food Duty – EL1256 (Any horizontal output)

Find your right fit!

K features

K/KL Series: PART NUMBER EXAMPLE:

K KL MR series part number

K 2 0 2
A F
0040
MR140 / 050
F
EL1256
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The C series utilizes helical gearing for up to 97% efficiency.

Choose the housing style that fits your application – round or square flanges, tapped holes, or foot mounting.

KSS hollow

C Series: TECHNICAL DATA

Power Density:
Price Range:
$
$
$
$
$
  • Total gear ratio range: 2 – 276
  • Output torque: 182 – 53,148 lb in
  • Efficiency: Up to 97%
  • Overhung Load Capacity: Up to 8,325 lbs.

Find your right fit!

inline gearbox

C Series: FEATURES

  • Outputs:
    • Shaft with key
  • Housing Styles:
    • Round output flange
    • Pitch circle diameter tapped holes
    • Foot mounting
    • Square output flange
  • Package Options: options for different environments. A package includes coating, lubrication, and output material
    • Standard Duty – RAL-9005 black paint, Synthetic Exxon Mobil SHC 629, carbon steel output
    • Corrosion Resistant Duty – 316 stainless steel epoxy paint, Exxon Mobil SHC 630 or 600XP220 Mineral, and stainless steel output
    • Food Duty – 316 stainless steel epoxy food duty paint with anti-microbial clear coat, Exxon Mobil SHC CIBUS 220, and stainless steel output
  • Motor Adapter:
    • MR – standard clamp coupling
  • Mounting Positions:
    • EL1, 2, 3, 4, 5, or 6
    • Corrosion Resistant or Food Duty – EL1234 (Any horizontal output)

Find your right fit!

C features

C Series: PART NUMBER EXAMPLE:

C MR series part number

C 2 0 2
N
0040
MR140 / 050
F
EL1234
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The F series utilizes helical gearing for up to 97% efficiency.

Choose the output and housing style that fits your application. Outputs include hollow bore, solid shaft, or bushing, and mounting styles include round flanges, tapped holes, or foot mounting.

KSS hollow

F Series: TECHNICAL DATA

Power Density:
Price Range:
$
$
$
$
$
  • Total gear ratio range: 4 – 552
  • Output torque: 392 – 9,744 lb in
  • Efficiency: Up to 97%
  • Overhung Load Capacity: Up to 2,813 lbs.

Find your right fit!

offset gearbox

F Series: FEATURES

  • Outputs:
    • Hollow bore
    • Shaft
    • Single or double wobble free bushing
  • Housing Styles:
    • Output flange
    • Pitch circle diameter tapped holes
    • Foot mounting
  • Package Options: options for different environments. A package includes coating, lubrication, and output material
    • Standard Duty – RAL-9005 black paint, Synthetic Exxon Mobil SHC 629, carbon steel output
    • Corrosion Resistant Duty – 316 stainless steel epoxy paint, Exxon Mobil SHC 630 or 600XP220 Mineral, and stainless steel output
    • Food Duty – 316 stainless steel epoxy food duty paint with anti-microbial clear coat, Exxon Mobil SHC CIBUS 220, and stainless steel output
  • Motor Adapter:
    • MR – standard clamp coupling
  • Mounting Positions:
    • EL1, 2, 3, 4, 5, or 6
    • Corrosion Resistant or Food Duty – EL1234 (Any horizontal output)

Find your right fit!

F features

F Series: PART NUMBER EXAMPLE:

F MR series part number

F 2 0 2
A G
0043
MR140 / 050
F
EL134

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Customization Options for NEMA Gearboxes 

Because our no-maintenance gearboxes are modular, it’s easy to customize them to suit various industrial setups. With housing styles including flange, foot mount, torque arm and outputs such as hollow bore, shaft, and bushing, we can offer the ideal solution to practically any situation.  
 
Further customizations include food-safe coatings for hygienic applications or added corrosion resistance for use around harsh chemicals. For customers who have highly specialized needs, the design team at STOBER can create custom solutions, allowing engineers to avoid installation headaches, costly retrofits, or compromised performance or durability. To learn more about our NEMA Gearboxes, reach out and speak with one of our representatives today.

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STOBER’s Power Tips video series shares best practices and helpful answers to frequently asked questions. 

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