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BISON

BISON is a manufacturer of fractional and sub-fractional horsepower gearmotors and speed reducers, with a product history spanning several decades in the power transmission industry. The brand's catalog centers on DC gearmotors, AC gearmotors, parallel shaft gear reducers, right-angle gear reducers, and the mounting hardware that supports those assemblies. BISON products are commonly specified where a motor and gearbox must be integrated into a compact envelope and where output speed and torque need to be matched precisely to the driven equipment. 3G Electric supplies the BISON line as part of its industrial equipment distribution portfolio, carrying 136 SKUs that cover right-angle and parallel shaft configurations, hollow shaft and solid shaft outputs, and a range of mounting bases and brackets. The DC gearmotor family includes right-angle hollow shaft units with TENV enclosures, operating at voltages such as 24 V DC and 90 V DC. Output speeds in this family range from 7.5 RPM to 30 RPM, with maximum torque ratings from 208 in-lb to 443 in-lb and gear ratios up to 240.4:1. Full load currents are typically in the 1.5 A to 3.2 A range for the models listed. These units are used in applications requiring controlled rotation in either direction, and some models are specified for CW/CCW operation. The parallel shaft speed reducer family includes direct-drive units with ratios from 5:1 to 27.8:1. Output speeds range from 60 RPM to 339 RPM, with maximum output torque from 275 in-lb to 1137 in-lb. Input horsepower ratings for these reducers are 1 hp to 1.5 hp, and they are available with 56C frame input flanges. Mounting is described as any-angle, which allows the reducer to be positioned to suit the machine layout rather than requiring a specific orientation. The 881 series parallel shaft gear reducers are supported by dedicated mounting bases and L brackets, including footplates and brackets with a 0.5 in bolt circle diameter. These accessories are specified by their compatibility with the 881 reducer, which helps buyers match the correct mounting interface without guesswork. BISON gearmotors and reducers are used in conveyor systems, packaging equipment, and other industrial power transmission applications where a defined speed reduction and torque multiplication are required. The product line emphasizes mechanical configurability: buyers select a gear ratio, output speed, torque rating, voltage, and mounting style to match the driven load. 3G Electric supports the BISON line by stocking a broad SKU range, providing specification-level product data, and supplying these components to industrial buyers worldwide. The catalog includes both the core gearmotors and reducers and the ancillary mounting hardware needed to install them, which simplifies procurement for maintenance and OEM replacement projects. For plant engineers and maintenance managers, the relevant selection criteria are typically the required output speed, the available input power, the torque demand of the application, the mounting orientation, and the enclosure type. BISON's published specifications for these parameters allow direct comparison across models, and 3G Electric lists those specifications at the SKU level so that buyers can verify compatibility before ordering.

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About BISON

BISON is a manufacturer of fractional and sub-fractional horsepower gearmotors and speed reducers, with a product history spanning several decades in the power transmission industry. The brand's catalog centers on DC gearmotors, AC gearmotors, parallel shaft gear reducers, right-angle gear reducers, and the mounting hardware that supports those assemblies. BISON products are commonly specified where a motor and gearbox must be integrated into a compact envelope and where output speed and torque need to be matched precisely to the driven equipment. 3G Electric supplies the BISON line as part of its industrial equipment distribution portfolio, carrying 136 SKUs that cover right-angle and parallel shaft configurations, hollow shaft and solid shaft outputs, and a range of mounting bases and brackets. The DC gearmotor family includes right-angle hollow shaft units with TENV enclosures, operating at voltages such as 24 V DC and 90 V DC. Output speeds in this family range from 7.5 RPM to 30 RPM, with maximum torque ratings from 208 in-lb to 443 in-lb and gear ratios up to 240.4:1. Full load currents are typically in the 1.5 A to 3.2 A range for the models listed. These units are used in applications requiring controlled rotation in either direction, and some models are specified for CW/CCW operation. The parallel shaft speed reducer family includes direct-drive units with ratios from 5:1 to 27.8:1. Output speeds range from 60 RPM to 339 RPM, with maximum output torque from 275 in-lb to 1137 in-lb. Input horsepower ratings for these reducers are 1 hp to 1.5 hp, and they are available with 56C frame input flanges. Mounting is described as any-angle, which allows the reducer to be positioned to suit the machine layout rather than requiring a specific orientation. The 881 series parallel shaft gear reducers are supported by dedicated mounting bases and L brackets, including footplates and brackets with a 0.5 in bolt circle diameter. These accessories are specified by their compatibility with the 881 reducer, which helps buyers match the correct mounting interface without guesswork. BISON gearmotors and reducers are used in conveyor systems, packaging equipment, and other industrial power transmission applications where a defined speed reduction and torque multiplication are required. The product line emphasizes mechanical configurability: buyers select a gear ratio, output speed, torque rating, voltage, and mounting style to match the driven load. 3G Electric supports the BISON line by stocking a broad SKU range, providing specification-level product data, and supplying these components to industrial buyers worldwide. The catalog includes both the core gearmotors and reducers and the ancillary mounting hardware needed to install them, which simplifies procurement for maintenance and OEM replacement projects. For plant engineers and maintenance managers, the relevant selection criteria are typically the required output speed, the available input power, the torque demand of the application, the mounting orientation, and the enclosure type. BISON's published specifications for these parameters allow direct comparison across models, and 3G Electric lists those specifications at the SKU level so that buyers can verify compatibility before ordering.

Common Applications

  • Conveyor systems — BISON direct-drive parallel speed reducers with 5:1 to 27.8:1 ratios for matching belt speed and torque.
  • Packaging equipment — BISON right-angle hollow shaft DC gearmotors with TENV enclosures for compact, controlled rotation.
  • Industrial power transmission — BISON 881 parallel shaft gear reducers with dedicated mounting footplates and L brackets.
  • OEM replacement — BISON 56C frame speed reducers with any-angle mounting for drop-in replacement in existing machinery.
  • Material handling — BISON DC gearmotors operating at 24 V or 90 V DC for variable-speed or battery-powered applications.
  • Machine alignment and mounting — BISON mounting bases and brackets with 0.5 in bolt circle diameter for stable reducer installation.

Frequently asked questions

Common questions about BISON from 3G Electric.

What voltages are available in the BISON right-angle hollow shaft DC gearmotor line?

The BISON right-angle hollow shaft DC gearmotor models listed by 3G Electric include 24 V DC and 90 V DC versions. The 24 V model delivers 7.5 RPM with a 240.4:1 gear ratio, 443 in-lb maximum torque, and 3.2 A full load current. The 90 V model delivers 30 RPM with 208 in-lb maximum torque and 1.5 A full load current. Both use TENV enclosures and are rated for CW/CCW operation. Buyers should confirm the available DC supply voltage and the required output speed and torque before selecting a model, since the voltage and gear ratio are fixed per unit.

What is the difference between BISON direct-drive parallel speed reducers and the 881 series gear reducers?

BISON direct-drive parallel speed reducers are listed with ratios from 5:1 to 27.8:1, output speeds from 60 RPM to 339 RPM, and maximum output torque from 275 in-lb to 1137 in-lb. They accept 1 hp to 1.5 hp input and use a 56C frame with any-angle mounting. The 881 series parallel shaft gear reducers are a separate family that uses dedicated mounting bases and L brackets, including footplates and brackets with a 0.5 in bolt circle diameter. The 881 reducers are supported by specific mounting accessories, so the mounting interface should be verified when specifying a replacement or new installation.

What mounting accessories does 3G Electric carry for BISON 881 gear reducers?

3G Electric lists BISON mounting bases and brackets for the 881 parallel shaft gear reducer. These include a mounting footplate and a mounting L bracket. The L bracket has a 0.5 in bolt circle diameter. These accessories are identified by manufacturer part numbers and are designed to provide a secure mounting interface and maintain alignment between the reducer and the driven equipment. When ordering, confirm the reducer model and the required mounting orientation, because the footplate and L bracket are distinct part numbers and are not interchangeable.

What input horsepower and frame size do BISON parallel shaft speed reducers use?

The BISON direct-drive parallel speed reducers listed by 3G Electric accept maximum input horsepower of 1 hp to 1.5 hp and use a 56C frame input flange. For example, the 5:1 ratio model is rated for 1.5 hp input and 275 in-lb output, while the 27.8:1 ratio model is rated for 1 hp input and 1137 in-lb output. The 56C frame is a standard NEMA motor frame size, which allows the reducer to be paired with a compatible motor. Buyers should match the reducer's input horsepower and frame to the motor being used.

What enclosure type do BISON DC gearmotors use?

The BISON right-angle hollow shaft DC gearmotors listed by 3G Electric use TENV enclosures. TENV stands for totally enclosed, non-ventilated. This enclosure type restricts the exchange of air between the inside and outside of the motor, which helps keep out dust and other airborne contaminants. It does not include an external cooling fan. TENV construction is common in industrial environments where the motor may be exposed to dirt or debris. Buyers should verify that the enclosure rating matches the environmental conditions of the installation, particularly where washdown or corrosive atmospheres are present.

How do I select a BISON gearmotor or speed reducer for a specific output speed and torque?

Selection starts with the required output speed and the torque demand of the driven load. BISON publishes gear ratio, output RPM, and maximum torque for each model. For example, a 5:1 parallel speed reducer delivers 339 RPM and 275 in-lb, while a 27.8:1 unit delivers 60 RPM and 1137 in-lb. Higher ratios generally produce lower output speed and higher torque. Also confirm the input horsepower and frame size, the mounting orientation, and the enclosure type. 3G Electric lists these specifications at the SKU level so buyers can compare models directly. If the application requires a specific mounting interface, check whether a mounting base or bracket is needed.