We work with businesses and OEMs in the automotive industry to design and manufacture fractional horsepower motors and gearmotors that perform in demanding on-road and off-road environments. You’ll find our solutions in vehicle ramps, transmission shifters, ventilation systems, and other specialized automotive equipment. Each motor is engineered for durability, consistent performance, and long service life. Our U.S.-based manufacturing and technical support help keep your vehicles and systems running reliably.
Why Choose Groschopp Motors for Automotive Applications
-
Built for Heavy-Duty On-Road Demands
As a U.S. manufacturer, Groschopp designs and builds motors that handle vibration, temperature swings, and continuous operation. They are built to perform reliably in challenging vehicle environments. -
Custom Solutions for Specialized Equipment
We engineer motors to meet exact space, performance, and environmental requirements. All are built in our U.S. facility for faster lead times and strict quality control. -
Proven in Real-World Applications
Our designs have powered vehicle ramps, transmission shifters, ventilation systems, and more. Each design is tested and refined through extensive life-cycle and application testing. -
Rapid Prototyping and Testing
In-house engineering, prototyping, and testing help shorten development timelines. This ensures the final motor performs exactly as intended. -
Scalable OEM Production
We offer OEM production with a minimum order of 25 units. This includes single-unit prototypes for design, testing, and approval before full production.
Key Features
High Torque for Lifting and Shifting
Sealed and IP-Rated Enclosures
Compact and Space-Saving Designs
Vibration-Resistant Construction
Custom Shafts and Mounting Options
Case Studies
Permanent Magnet DC Motor for Portable Vehicle Ramp
- Industry: Automotive Mobility Equipment
- Challenge: Required a compact, high-torque motor to lift heavy loads smoothly and reliably in a portable vehicle ramp system. The design also needed to withstand outdoor use and frequent transport.
- Solution: Designed a permanent magnet DC motor with a compact gearmotor assembly. Optimized gearing delivered lift power, and sealed components protected against dirt and moisture.
- Result: Delivered a lightweight, powerful motor system that provided smooth ramp operation. It met durability requirements and integrated seamlessly into the existing ramp housing.
→ See full case study here
24V PMDC Motor with Right Angle Worm Gearbox for Vehicle Wash System
- Industry: Commercial Vehicle Wash Equipment
- Challenge: Required a compact right-angle gearbox to fit tight space constraints on a swinging boom arm, with complete protection against mist and water streams. The motor also needed to mate with a custom shaft and meet NEMA frame output requirements.
- Solution: Designed a 24V PMDC motor with a right-angle worm gearbox. The hollow bore allowed direct connection to the custom boom arm shaft. The build included a NEMA frame right-angle reducer, custom IEC flange, and IP66-rated sealing.
- Result: Delivered a compact, water-resistant gearmotor that fit the application’s space restrictions. It provided smooth movement and maintained reliable operation in a high-moisture environment.
→ See full case study here
Custom Transmission Shifter Motor for Heavy-Duty Trucks
- Industry: Heavy-Duty Truck Components
- Challenge: Required a compact motor to operate a transmission shifting mechanism under constant vibration, extreme temperatures, and heavy-duty cycles.
- Solution: Developed a custom permanent magnet DC motor with reinforced housing, vibration-resistant components, and precise speed control for smooth gear engagement.
- Result: Delivered a durable, responsive motor that integrated with the shifter assembly and performed reliably in real-world fleet operation.
→ See full case study here
Compact Ventilation Motor for Service Truck Cabinets
- Industry: Commercial Trucking Equipment
- Challenge: Needed a durable motor to power ventilation fans in service truck body cabinets. It had to handle long duty cycles, intense vibration, dust, and extreme climates without wiring failures or premature brush wear.
- Solution: Developed a 2100 RPM permanent magnet DC motor with optimized replaceable brushes for extended service life. Added solid wire crimp connections to prevent failures. All components were tested to withstand high vibration and harsh environments.
- Result: Provided reliable ventilation with 200–300% longer brush life. Improved wiring durability and maintained consistent performance in demanding real-world conditions.
→ See full case study here
Custom Transmission Shifter Motor for Bus Applications
- Industry: Public Transit Vehicle Components
- Challenge: Needed a compact, durable motor for a bus transmission shifting system. It had to handle frequent stop-and-go driving, vibration, and extreme operating temperatures.
- Solution: Developed a custom permanent magnet DC motor with ruggedized housing and sealed bearings. Added precise control for smooth, consistent shifting in urban driving conditions.
- Result: Delivered a reliable motor that met the transit authority’s performance requirements and integrated seamlessly into the bus’s transmission system.
→ See full case study here
Need Help Getting Started?
We’ll help you find the right motor, gearmotor, or control for your automotive project, designed to handle demanding, on-road conditions.
