Ackermann Chassis

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2wd Robotic Mobility Platform

The high-precision 2WD Ackermann steering robot chassis with rear-wheel drive (RWD) is a common mobile robot platform design, frequently used in autonomous driving, logistics, security, agriculture, and mobility assistance applications. This chassis achieves power delivery through rear differential drive, while the front wheels employ Ackerman steering geometry for precise directional control. This ensures matching speed differences between inner and outer wheels during turns, preventing tire slippage and enhancing handling stability and path-tracking accuracy.

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2wd Robotic Mobility Platform

The high-precision 2WD Ackermann steering robot chassis with rear-wheel drive (RWD) is a common mobile robot platform design, frequently used in autonomous driving, logistics, security, agriculture, and mobility assistance applications. This chassis achieves power delivery through rear differential drive, while the front wheels employ Ackerman steering geometry for precise directional control. This ensures matching speed differences between inner and outer wheels during turns, preventing tire slippage and enhancing handling stability and path-tracking accuracy.


Table parameters

Design Dimensions1320mm*785mm*490mmGross Vehicle Weight125kg
Structural ConfigurationFront-wheel steering, rear-wheel drive with Ackermann steeringSuspension TypeSolid axle suspension
Ground Clearance115mmWheelbase600mm
Wheelbase665mmTire Diameter420mm
Minimum Turning Radius1.7mBattery48V/20AH (Standard) 48V/40AH (Optional)
Charging Time≤4hCharging Method48V/5A charger Manual charging
External Power Supply48V/10A 24V/15A 12V/15ABraking SystemMotor brake
Parking MethodElectromagnetic brakeVertical Load Capacity (Level Surface)100kg
Operating Speed8 km/hFording Depth80mm
Range45 km (unloaded)/30 km (loaded) (20Ah)Maximum Gradeability20° (unloaded)/10° (loaded)
Crossing Width270 mm (unloaded)/200 mm (loaded)Obstacle Clearance90mm (No Load)/60mm (Full Load)
Protection RatingIP44Communication MethodCAN2.0B
Operating Temperature/Optional Equipment

APOLLO Open-Source Navigation Kit/Autoware Open-Source Navigation Kit/NV-auto

Commercial Navigation Kit/Combined Inertial Navigation RTK/Automatic Charging Station/Robotic Arm/LiDAR/Depth Stereo Camera

2wd Robotic Mobility Platform

Precision services for professionals in the following scenarios:


Medium-to-high-speed motion scenarios:

- Logistics automation enterprises (e-commerce delivery robot developers)

- Security patrol system integrators (high-speed patrol robot manufacturers)


Complex outdoor/industrial environments:

- Mining/construction equipment suppliers (construction machinery automation teams)

- Agricultural robot developers (farmland monitoring platform designers)

Long-distance/high-intensity operations: e.g., warehouse logistics operators (AMR fleet managers), energy inspection service providers (power/pipeline inspection equipment suppliers);

Heavy-load or manned platforms: e.g., industrial transport solution providers (heavy-duty AGV manufacturers), service robotics enterprises (manned delivery/guidance platform developers).

This Ackermann steering robot chassis is specifically designed for B2B clients prioritizing high reliability, extended lifespan, and rapid deployment. It empowers them to reduce the total cost of ownership (TCO) and enhance operational efficiency in demanding scenarios.

2wd Robotic Mobility Platform

Comparison Items

Ackermann steering + rear-wheel drive

Four-wheel independent steering/omnidirectional wheels

Differential Steering

Precursor Ackerman

Steering Precision and Path Tracking

Extremely high (centimeter-level)

High

Average (Prone to drifting)

High

Minimum Turning Radius

Very small (achievable with wheelbase ≈ turning radius

Near zero (turns on the spot)

Significant

Low

High-Speed Stability (>15 km/h)

Excellent (matches real vehicles)

Average (dangerous with high center of gravity)

Poor (Severe sideways skidding)

Average

Energy Consumption and Range

Excellent (no steering friction loss)

Poor (all four steering motors constantly running)

Good

Average

Load Capacit

Extremely strong

Weak (complex structure)

Average

Strong

Off-Road Capability

Excellent (large wheel diameter + suspension damping)

Poor

Good

Average

Parts Cost and Reliabilit

Low

High

Low

c

Maintenance Difficulty

Extremely low

High

Low

Medium


The core advantage of applying Ackermann steering geometry in robotic chassis—particularly AGVs, AMRs, and agricultural/inspection robots—lies in achieving pure rolling steering through precise geometric constraints. This ensures all tires precisely point toward the same instantaneous steering center, completely eliminating lateral slip during high-speed turns and preventing the risk of tail-out or loss of control caused by centrifugal forces. This delivers two critical advantages: maximum steering precision and minimal tire wear, significantly outperforming alternatives like differential steering or omnidirectional wheels.

Not only does it achieve centimeter-level trajectory tracking accuracy (especially during long-distance repetitive tasks), but it also reduces tire wear—field data shows tire life can be extended by over 50%, substantially lowering maintenance costs and energy consumption.

2wd Robotic Mobility Platform

When should this solution be abandoned?

When 360° turning in place is required (e.g., indoor narrow warehouses, hospitals, hotels, office buildings needing U-turns/sideways movement) → Choose four-wheel independent steering

Ultra-small educational/desktop robots (<30kg) operating only on flat indoor surfaces → Choose two-wheel differential + caster wheels

Ultra-low-cost educational kits → Also choose differential

2wd Robotic Mobility Platform

However, for any outdoor, medium-to-large-scale, long-range, high-precision robots that may eventually operate on public roads, we strongly recommend the 2WD Ackermann steering robot chassis.



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