ASI Drives MARK 400 Electric Transaxle Review: Specs, Price and Applications
Updated: 4 days ago
ASI Drives MARK 400 is an enclosed electric transaxle for medium-duty mobile equipment. Its motor, gearing and axle arrangement can be configured around the vehicle width, speed and braking requirement, rather than assembled from a separate motor and transmission.
Quick Verdict
MARK 400 is a useful candidate for a compact battery-powered machine with a defined traction duty. Its main selection advantage is the configurable mechanical package. Start from wheel force and route duty, then obtain the exact motor, ratio, axle and brake definition; the family name alone does not describe a complete drivetrain.
ASI Drives MARK 400 Electric Transaxle at a Glance
Specification | Details |
Product format | Medium-duty fully enclosed electric transaxle |
Reduction range | 13:1–21:1 on the current product page |
Published mounting width | 237.9–490.8 mm; custom widths available |
Voltage range | 24–36 VDC, configuration dependent |
Motor choices | PMDC; brushless DC option available |
High-torque example at peak efficiency | 30 Nm at 63 rpm; example point, not a universal continuous rating |
High-speed example at peak efficiency | 15 Nm at 315 rpm; separate example configuration |
Options | Power-off electromagnetic brake, connectors, cover and IP67 conformity by selection |
Design and Engineering Assessment
Wheel diameter belongs at the beginning of the selection calculation. A larger wheel produces more vehicle travel per axle revolution but requires more axle torque for the same tractive force. Check grade, rolling resistance and acceleration together before selecting a ratio.
The mounting-width range is useful for chassis integration, but it is not a blanket wheel-load rating. The wheel offset and support arrangement create bearing and axle loads that must be assessed separately from motor torque. A transaxle can meet the propulsion requirement while its wheel interface still needs revision.
The high-torque and high-speed examples describe different configurations and operating points. Choosing the torque from one and speed from the other would create a combination that the published data does not establish. Request one matched performance curve for the proposed motor, ratio and voltage.
A PMDC motor and a brushless motor require different control and maintenance decisions. Compare compatible controller behavior, feedback needs, low-speed response and service expectations rather than assuming the mechanical transaxle makes the electrical choices interchangeable.
Turning the Route into a Drive Requirement
Translate vehicle mass, wheel radius and route grade into an axle requirement, then include starts, stops and steering resistance. A floor-care machine can spend considerable time at low travel speed while its traction motor remains heavily loaded.
Use a representative route to evaluate motor and gearbox temperature. Repeated ramps, carpet transitions or aggressive direction changes can reveal thermal demand that an unloaded rolling demonstration misses.
Chassis, Brake and Service Interface
Define axle ends, wheel attachment and motor clearance in the released drawing. Include the cable exit and any brake cover in the installation envelope. Custom width should be treated as a controlled configuration, including spare-part implications.
Validate a selected power-off brake for the actual parked load and grade. Its holding role should be distinguished from routine dynamic braking, and the vehicle control must coordinate release and torque production.
Electrical and Environmental Acceptance
Check bus behavior at both low battery voltage and braking with a highly charged battery. The supply and controller must handle the actual current and returned energy without unexpected loss of propulsion or control.
Specify the exact environmental option. A statement that outdoor use is possible does not mean every configuration has the optional ingress conformity or tolerates all cleaning chemicals. Inspect the complete connector, brake and cable arrangement.
Applications and Selection
Medium-duty floor-care, mobility, material-handling and mobile-robot platforms that can use an enclosed transaxle with the selected track and wheel arrangement.
For ASI Drives MARK 400 Electric Transaxle, define the actual machine duty before selecting an ordering configuration. Include the required operating point, available installation space, environment and control interfaces. The specification table describes the product or family; the surrounding machine determines which of those features matters for the intended job.
Price and Value
Price: Request a quote for the exact configuration. Compare the product, compatible control equipment, required mechanical parts, cabling and commissioning as one installed system. A component price alone does not represent the cost of a working automation axis.
Evaluate an alternative against the same duty and acceptance criteria. Match the continuous operating requirement first, then compare transient capability, feedback, mechanical fit and support. This avoids choosing between superficially similar products whose ratings describe different operating conditions.
Pros and Cons
Advantages
Enclosed transaxle combines reduction and axle packaging
Motor and brake options support configuration around the vehicle duty
Defined mechanical interface can reduce separate drivetrain assembly work
Limitations
Published example points do not establish a universal continuous rating
Wheel load, braking and environmental suitability need vehicle-level qualification
Motor type, dimensions and accessories must be specified in the order
Who Should Consider ASI Drives MARK 400 Electric Transaxle?
Consider ASI Drives MARK 400 Electric Transaxle for medium-duty floor-care, mobility, material-handling and mobile-robot platforms that can use an enclosed transaxle with the selected track and wheel arrangement. Establish the required operating point and installation interfaces before choosing the configuration, and use a representative loaded cycle as the acceptance basis.
ASI Drives MARK 400 Electric Transaxle FAQ
Is MARK 400 a standalone wheel-drive servo?
It is an enclosed transaxle arrangement with a selected motor and reduction. The complete vehicle still needs a compatible controller and appropriate wheel/chassis integration.
What ratio is available?
The current product page lists a 13:1–21:1 range. Confirm the exact released ratio and motor combination for the order.
Can the high-torque and high-speed example maxima be combined?
No. They are separate examples. Use one configuration-specific curve at the intended voltage and duty.
Does mounting width specify permitted wheel loading?
No. Axle, bearing and wheel-offset loads need a separate check against the selected assembly requirements.
Is a power-off brake always included?
It is an option. Specify it and validate the required holding duty, release sequence and any separate dynamic braking function.
Is IP67 standard?
The manufacturer lists IP67 conformity among optional selections. Confirm the exact supplied configuration and installation conditions.
What is the price?
Request a quote for motor, ratio, width, axle ends, brake and environmental options, including the compatible controller.
How should it be tested?
Test the loaded vehicle over its real route, recording traction behavior, temperature, battery voltage, braking and fault recovery.
Prices are indicative and may change. Confirm the final configuration, commercial terms and delivery schedule before ordering.
