Integrated vehicle drive systems

TransaxleDrive Systems

Compact and robust PMDC, brushless and application-specific transaxle solutions configured around vehicle load, speed, ratio, braking and chassis integration.

12–72 VBattery platforms
150 W–11 kWOutput capability
Custom ratiosApplication-matched gearing
Rugged & reliableDemanding environments
Engineered for real-world performanceMotion  |  Control  |  Integration

STX Transaxle Drive Systems

SDT offers several series of power-differentiating transaxles—STX-B1, STX-B2, STX-B3, STX-B4 and customised series. Engineered for high reliability and performance, our transaxles are designed for medical mobility and utility vehicle applications.

STX-B1 Brushed DC Transaxle

STX-B1

Brushed DCTransaxle

STX-B2 Brushed DC Transaxle

STX-B2

Brushed DCTransaxle

STX-B3 Brushed DC Transaxle

STX-B3

Brushed DCTransaxle

STX-B4 Brushed DC Transaxle

STX-B4

Brushed DCTransaxle

STX-E1 Brushless DC Transaxle

STX-E1

Brushless DCTransaxle

STX-E2 Brushless / PMSM Transaxle

STX-E2

Brushless / PMSMTransaxle

STX-E3 High-Power Electric Transaxle

STX-E3

High-Power ElectricTransaxle

STX-900 Application-specific Transaxle Solution

STX-900

Application-specificTransaxle Solution

2.

Technical Data

Power Range: 150–11,000 W
Speed Range: 50–500 rpm
SeriesVoltage (V)Motor TechnologyPower Range (W)Speed Range (rpm)
STX-B112–24PMDC150–50095–120
STX-B224–36PMDC750–1,00095–275
STX-B336–48PMDC800–1,30095–125
STX-B424–48PMDC1,500–2,000100–275
STX-E124–48BLDC500–800150–200
STX-E248–72BLDC / PMSM3,000–5,000100–500
STX-E348–72 DC/ACBLDC / AC6,000–11,000150–275
STX-900Application specificApplication specificBespokeBespoke
STX transaxle technical dataReview the representative voltage, motor technology, output power, axle speed and configuration information.
Technical dataRequest Technical Data →

Features

  • Single-piece cast housing for improved gear alignment, rigidity and durability
  • Optimised gear profile for efficient, low-noise operation
  • Various reduction ratios and output-speed ranges
  • Fully enclosed axle suitable for demanding indoor and outdoor applications
  • Configurable mounting and track widths, including custom dimensions
  • Multiple motor options: PMDC, BLDC and AC
  • Electromagnetic power-off brake, brake cover and connector options
  • Hub-type and custom axle configurations
  • Application-specific motor, ratio, brake and mounting configurations available

Application-led transaxle selection

Define the Vehicle Duty Before Selecting the Drive

Use these six inputs to connect vehicle performance, motor technology, ratio and mechanical integration. Hover, focus or tap each item for the engineering implication.

3.

Industries & Applications

STX transaxles are designed for a wide range of mobility, utility and industrial applications, delivering efficiency, reliability and performance in demanding environments.

Cleaning & Floor-Care Equipment

Ride-on scrubbers and professional cleaning machines for commercial and industrial facilities.

Medical Mobility

Mobility scooters and personal transport solutions for healthcare and independent living.

Material Handling

Forklifts, pallet trucks and material-handling vehicles for warehousing and industrial operations.

Mobile Robots & AGVs

Automated guided vehicles and mobile robots for intelligent material movement.

Outdoor Power Equipment

Powered equipment and utility carts for outdoor, landscaping and grounds maintenance.

Utility & Light Vehicles

Utility, maintenance and low-speed vehicles for industrial and commercial use.

EAEngineered for Your Application

SDT works with you to configure or develop transaxle solutions around your vehicle requirements, including load, speed, ratio, track width, braking, mounting interfaces and environmental conditions.

Define the appropriate STX solution

Discuss Your Transaxle Requirement

Share the vehicle load, wheel size, speed, gradient, input power source, operating environment and duty cycle.

Contact SDT