Power Transmission Solutions from Industry Leaders

Fundamental power transmission components like gearboxes, chain, belts, bearings and couplings are often taken for granted. It is best to choose components from manufacturers with experience and reliable manufacturing processes.

Worm Gear Speed Reducers

Winsmith: single and double enveloping designs from 1.0" to 10.0" center distances. Product range includes stock standards, Maximizers® series stainless steel reducers, motion control S-Eliminators® reduced backlash gearing with servo adaptors and a host of modified standard and custom engineered designs.


Webster Industries: engineered conveying solutions for a wide range of industries, with the Conveyor Chain, Vibrating Conveyors and Elevator Bucket products.


Royersford Foundry: precision power transmission products: "Type E" bearings, journal bearings: both babbitt and bronze in solid or split housings, rigid sleeve and clamp couplings, solid steel shaft collars, solid cast iron and split cast iron shaft collars and commercial style roller bearings.

Sheaves, Bushings & Belts

Fenner Drives: worldwide leader in the design and manufacture of added-value, problem solving products for power transmission, motion transfer and conveying applications. Product lines include: PowerTwist Plus, NuTLink and SuperTLink HPC V-Belts; Eagle Polyurethane Belting and O-Rings; B-LOC Trantorque Keyless Bushings; T-Max Belt & Chain Tensioners

MasterDrive: a complete line of single and multigroove sheaves, from bored-to-size and H bushed, to heavy duty QD sheaves. All sheaves and bushings are manufactured to meet or exceed the current ASTM/SAE specifications for gray iron casting.

HI-LO: reliable, efficient and economical variable speed pulley drives with automatic belt tensioning.

Planetary Gearboxes

Apex Dynamics: high precision, high rigidity, high speed planetary gearboxes. Patented features, single piece ring gear housings and solid piece planet carrier construction. In-line and right-angle models. 5-Year tip-to-tip warranty. Two weeks delivery guarantee.

SGI Power Transmission: Gearboxes and Couplings. SGI Power Transmission is a US based Company. We are responsible for manufacturing and sale of mechanical power transmission products from PTI – Power Transmission Industries SA, Transmotécnica (TT) and the sales and distribution of Woodbrook Driving Systems – WDS products.


Zero-Max: zero backlash servoclass® couplings and composite disc couplings, ETP® hub locking bushings, mechanical torque limiters and crown gear miter boxes.

Rubber Suspension Systems

ROSTA: components for machine construction providing resilient suspensions, elastic supports, cushioning mounts and smooth guidance: Motorbases, Tensioner Devices, Anti-Vibration Mounts, Rubber Suspension Units. Utilize in screen, conveyor or sifting machines where oscillations, vibrations and agitating movements are used to select, separate and convey.

Power Transmission

JW Winco: Operating, Clamping and Machine Parts

Control Techniques: AC Drives and Motors, DC Drives and Motors, Servo Drives and Motors, Drive Systems

Hurst: Develops and produces precision motors and sub-fractional motors

Joyce: Screw Jacks, Actuators, Lifting Systems, Stainless Steel & Metric

MIni Motors: Electric Motors, Coaxial Gear Motors, Worm Screw Gear Motors, Drives

Roller Screws

ARS: Roller Screws