







DOF Reality H4 Universal Motion Simulator Platform
Got Questions?
Email: support@simulatordirect.com
Phone: (714) 202-9416
Choose options








Fast & Free Shipping On Eligible Items
Exclusions Apply
Lowest Price Guarantee
Found a better price? We’ll match it — Guaranteed.
Simulator Expertise
Talk to a Real Expert
(714) 202-9416
Mon–Sat 8AM–5PM PST
- Description
- Product Features
- What's Included
- Product Specifications
- Product Installation Guide
- FAQ's
- Shipping/Returns & Warranty Policy
DOF Reality H4 4-Axis HERO Universal Motion Simulator Platform
4-axis full-platform motion for racing, flight, and hybrid simulator setups.
Step into the next level of immersive simulation with the DOF Reality H4 HERO Universal Motion Platform — a 4-axis motion system engineered for users who want the realism of both racing and flight simulation in one versatile platform.
With the addition of Heave, or vertical motion, the H4 Universal delivers a more dynamic and believable experience across both ground and air simulation. It can simulate braking dive, acceleration squat, cornering load transfer, rear traction loss, road texture, curb strikes, runway vibration, turbulence, landing impact, and elevation changes.
Since 2014, DOF Reality has been advancing motion simulation for home enthusiasts and simulator environments with innovative mechanics and proven reliability. The H4 Universal builds on that legacy by combining full-platform motion with extra adaptability for multi-discipline cockpit setups.
Designed with 4 Degrees of Freedom — Pitch, Roll, Yaw / Rear Traction Loss, and Heave — the H4 translates supported game telemetry into physical motion you can feel. In racing, this helps recreate braking, acceleration, cornering, drifting, road texture, and elevation changes. In flight, it helps simulate banking, climb and descent transitions, runway vibration, turbulence, landing impact, and directional movement.
Like other HERO platforms, the seat and mounted controls move together as one synchronized platform. This helps keep your body, hands, and control inputs aligned during motion, creating a more natural feeling whether you are turning laps on a circuit or flying through changing air conditions.
Using Sim Racing Studio (SRS) or compatible motion software, the system converts supported game telemetry into real-time feedback. This allows the platform to respond dynamically to the behavior of the vehicle or aircraft you are controlling.
Constructed from commercial-grade metal profiles and tuned for smooth, responsive motion, the H4 Universal is a strong choice for serious home users, training environments, sim centers, and anyone looking for a compact motion platform that supports a wider range of simulation experiences without stepping up to a full 6DOF system.
Product Features
True 4-Axis Motion

The H4 Universal adds vertical heave movement to the standard pitch, roll, and yaw / traction-loss motion experience. This gives the simulator a deeper physical feel for both racing and flight use.
| Feature | Details |
|---|---|
| True 4-Axis Motion | Simulates Pitch, Roll, Yaw / Rear Traction Loss, and Heave for a more lifelike racing and flight experience. |
| Universal Simulation Use | Designed to support both driving and flight-style control setups, giving users greater flexibility in how they build their cockpit. |
| Full Platform Movement | The mounted seat and controls move together as one synchronized unit for a more cohesive and immersive experience. |
| Heave Realism | Adds up/down movement to better simulate bumps, runway vibration, landing impact, turbulence, compression, and elevation changes. |
| Racing + Flight Versatility | Ideal for users who want one motion platform for sim racing, flight simulation, and other compatible telemetry-based experiences. |
| Smooth Motion Range | Provides up to 20° of controlled movement for realistic motion transitions. |
| Fast and Precise Response | Delivers speeds of 50 cm/s, approximately 86°/s, for sharp real-time reaction to supported game inputs. |
| High Torque Output | Equipped with powerful 25 N·m motors for strong, reliable motion performance. |
| Compact, Durable Design | Built from commercial-grade metal within an efficient 3 ft × 5 ft footprint for long-term durability and stability. |
| High Load Capacity | Supports up to 330 lbs / 150 kg of user and cockpit weight combined. |
| Energy Efficient | Operates at approximately 750 watts peak power for balanced performance and efficiency. |
| Upgrade Path | Compatible with the H6 platform upgrade kit for future expansion, depending on configuration and current upgrade availability. |
Compatible Games

The H4 works with supported racing, flight, and simulator titles through motion software such as Sim Racing Studio, SimTools, and other compatible telemetry platforms.
Popular supported titles may include:
-
iRacing
-
Assetto Corsa / Assetto Corsa Competizione
-
Gran Turismo 7 / Sport
-
F1 2011–2024, including F1 22, F1 23, and F1 24
-
Project CARS 1, 2, 3, and PRO
-
GRID 2 / GRID 2019
-
Automobilista 1 / 2
-
rFactor / rFactor 2
-
GTR / GTR 2 – FIA GT Racing Game
-
GT Legends
-
RaceRoom Racing Experience
-
Dirt Rally / Dirt Rally 2.0
-
BeamNG.drive
-
Wreckfest
-
The Crew 1 / 2
-
Forza Motorsport 7
- Forza Horizon 4 / 5
Game compatibility can vary by platform, software version, and available telemetry support. For console use or a specific game title, confirm compatibility before ordering.
What's Included
DOF Reality ready-to-play packages include the core components needed to assemble and begin motion simulation.
| Item | Description |
|---|---|
| Rigid Metal Rig | Heavy-duty metal frame designed to support immersive simulation setups for both racing and flight-style configurations. |
| Universal Control Mounting Structure | Integrated mounting points for primary simulation controls, allowing users to configure the rig for steering, pedals, yokes, throttles, and other compatible peripherals. |
| Seat Mounts | Brackets and slots to mount a fixed racing seat or seat sliders for adjustable positioning and comfort. |
| Integrated Power Drive Motors | Pre-installed motion drive motors built into the platform, ready to connect to the control electronics. |
| 110/220V Control Unit with USB | Dual-voltage motion control box with USB interface for PC connection. |
| Sim Racing Studio License | Included Sim Racing Studio license for motion control and telemetry-based game integration. |
| Quick Assembly Tools | Basic tools included to help with assembly and mounting of core components. |
| 1-Year Full Warranty | Backed by a 1-year full manufacturer warranty under normal use conditions. |
Simulator Direct provides the complete plug-and-play motion platform, ready for quick setup. Customers can use their own seat, VR headset, and controllers — including steering wheels, pedals, flight yokes, joysticks, throttles, and other supported peripherals — depending on how they want to configure their simulator.
All motion software and required cables are included, so you can connect and begin setup after assembly. Games and user-supplied control hardware are not included with the purchase.
Not Included: Seat, steering wheel, wheel base, pedals, flight controls, displays, PC, simulator games, and VR headset. These are user-supplied so you can build your ideal cockpit around the platform.
Product Specifications
| Specification | Details |
|---|---|
| Degrees of Freedom | 4 DOF: Pitch, Roll, Yaw / Rear Traction Loss, and Heave |
| Full Platform Motion | Yes |
| Range of Motion | Up to approximately 20° |
| Speed | 50 cm/s, approximately 86°/s |
| Torque | 25 N·m |
| Acceleration | 0.7G translational / 0.5G longitudinal |
| Power Consumption | Approximately 750 watts peak |
| Box Weight and Size | Box 1: 78 lbs, 37 × 15 × 11 in Box 2: 97 lbs, 32 × 24 × 10 in Metric equivalent: Box 1: 35 kg, 94 × 38 × 28 cm; Box 2: 44 kg, 80 × 60 × 25 cm |
| Floor Footprint | 3 ft × 5 ft × 2 ft H, approximately 100 × 150 × 60 cm H |
| Material Type | Commercial-grade metal profiles |
| Supported Pilot Weight | 330 lbs / 150 kg |
| Warranty | 1-Year Full Manufacturer Warranty |
| Upgradable | Compatible with H6 platform upgrade, depending on configuration and current upgrade availability |
Exact numerical specs can vary slightly based on configuration and year of manufacture. If you need precise engineering numbers, confirm the current DOF Reality datasheet before purchase.
Setup & Installation Recommendations
-
Use a sturdy level base: Place the platform on a strong, level surface because motion platforms can amplify unevenness.
-
Leave motion clearance: Keep clearance above and around the rig so the platform can move dynamically without striking nearby objects.
-
Route cables carefully: Use clean cable routing and keep wires away from motors, pivots, and moving components.
-
Avoid overloading the platform: Stay within the rated load capacity and be mindful of heavy accessories, seats, displays, or custom mounts.
-
Inspect hardware periodically: Check fasteners, seat mounts, control mounts, and actuator linkages for tightness.
- Fine-tune motion profiles: Adjust motion settings carefully. More gain is not always better, especially for comfort, control, and long-session use.
Videos
Frequently Asked Questions
Q. What makes the H4 Universal different from the standard H4 racing platform? Click to expand ▼
A. The H4 Universal is designed for users who want more flexibility in their simulator setup. In addition to delivering 4-axis motion performance, it is intended to support both racing and flight simulation applications, making it a better fit for multi-use cockpit builds.
Q. Does the platform move my controls and seat together? Click to expand ▼
A. Yes. The H4 Universal is a full-platform motion rig, meaning the mounted seat and connected control area move together as one synchronized unit for a more immersive and natural experience.
Q. What’s the difference between H3 and H4? Click to expand ▼
A. The H4 adds a fourth axis: Heave, or vertical motion. This allows the platform to simulate vertical effects such as bumps, curbs, compression, runway vibration, landing impact, turbulence, and elevation changes with greater realism.
Q. Can I use this for both racing and flight simulation? Click to expand ▼
A. Yes. That is one of the main advantages of the Universal model. It is built for users who want one motion platform that can support both driving and flight-style simulator setups, depending on the peripherals and controls they install.
Q. Will it work with PlayStation and Xbox? Click to expand ▼
A. Yes, but console support depends on the specific game and connection method.
Consoles operate within closed and proprietary platforms. Only select games send motion data from consoles using UDP over the network, such as Gran Turismo 7, Gran Turismo Sport, Project CARS, Project CARS 2, Assetto Corsa, F1, Forza Motorsport 7, and Forza Horizon 4 and 5.
For supported console games, a MagicBox solution may be used. For the latest supported PC and console games, please refer to DOF Reality’s supported games list or contact us before ordering.
Q. What controls can I mount to the platform? Click to expand ▼
A. The H4 Universal is intended for flexible simulator setups. Users commonly configure it with racing hardware such as a wheel and pedals, or with flight-style controls such as a yoke, joystick, throttle, HOTAS, or collective. Final compatibility depends on hardware dimensions, mounting approach, and cockpit layout.
Q. What seat should I use with the H4 platform? Click to expand ▼
A. Your seat setup comes down to personal comfort and simulator style. The H4 Universal supports many bottom-mount car or gaming seats.
A bucket-style racing seat is generally recommended for added stability during higher-intensity motion. A lightweight seat is preferred because reducing total rig weight helps the platform respond more quickly and precisely.
Seat Mount Dimensions:
- Depth: 280 mm front to back
- Width options: 345 mm (13.37”), 375 mm (14.49”), or 405 mm (15.94”)
Q. Does it come assembled? Click to expand ▼
A. Some assembly is required upon arrival. To ensure safer delivery and easier handling, the unit is typically shipped in separate boxes. Assembly allows you to configure the platform around your own seat, controls, and simulator layout.
Q. Is a seat included? Click to expand ▼
A. No. The H4 Universal arrives as a motion platform only. Seat, racing controls, flight controls, displays, PC, simulator games, and other accessories must be supplied separately.
Q. What will I get if I order? Click to expand ▼
A. You receive the complete motion platform system with the core structural and motion components required for setup. The unit is tested before shipment and packaged for safe delivery in manageable sections. After assembly, install the included motion software on your PC, connect the controller via USB, and configure your controls to begin simulating.
All necessary hardware, cables, and basic tools are included for setup.
Q. How does VR motion compensation work with DOF Reality platforms? Click to expand ▼
A. DOF Reality motion simulators are compatible with major VR headsets, but combining motion simulation with VR requires a few setup considerations. When the platform moves, your head and headset move too. This can cause the headset sensors to interpret platform motion as real-world movement, slightly shifting the in-game view.
If you notice excessive camera movement or “swimming” effects, start by reducing the platform’s motion intensity in your software settings. This often provides a smoother experience.
If additional correction is needed, motion compensation software can be used. Motion compensation typically uses a tracker or controller mounted directly to the platform to remove the platform’s motion from the headset’s view.
Q. What VR systems are commonly used with motion compensation? Click to expand ▼
A. Motion compensation can work with both outside-in and inside-out tracking systems, depending on your hardware and software setup.
- Outside-In Tracking: Valve Index, HTC Vive, Vive Pro, Pimax systems, and original Oculus Rift CV1-style tracking.
- Inside-Out Tracking: HP Reverb/G2, Meta Quest, Oculus Rift S, Samsung Odyssey+, and Windows Mixed Reality headsets.
For base-station systems, users often mount a Vive Tracker or compatible tracker directly to the motion platform. For inside-out systems, some users mount a compatible controller to the platform where the headset cameras can see it.
Q. Are there hardware-based motion compensation methods? Click to expand ▼
A. Some VR users use hardware-based workarounds, such as mounting a sensor or controller directly to the motion platform or limiting certain headset tracking inputs. Results vary by headset, software version, and simulator setup.
For best results, use a stable tracker mounting location, reduce unnecessary vibration, and test gradually with lower motion intensity before increasing motion strength.
Shipping/Returns & Warranty Policy
1. General Terms of Sale
All purchases made through Simulator Direct for DOF Reality products are governed by DOF Reality’s official Terms of Trade. Each product is sold new and compliant with all relevant international manufacturing and consumer laws.
Changes or special arrangements must be confirmed in writing prior to purchase.
2. Pricing and Payments
- USD Pricing: All prices are shown in USD and exclude local VAT, import duties, customs fees, or brokerage costs.
- Customer Responsibility: Customers are responsible for paying all applicable local taxes and import charges upon delivery.
- Custom or Professional Systems: Payment for custom-built or professional systems requires an upfront deposit before production begins.
- Payment Window: Orders not paid within 5 business days will be placed on hold and cancelled after an additional 2 days if payment is not received.
- Discounts: Only one discount or promotion code may be applied per order. Discounts cannot be combined or applied retroactively.
- Currency Conversion: Currency conversions displayed in local values are estimates only. Final pricing is determined by your bank’s exchange rate at the time of transaction.
3. Shipping Policy
Shipping Methods
- All platforms and accessories are shipped in securely packed boxes via international freight.
- Each system is assembled, tested, and calibrated before shipping, then disassembled for safe transport.
- Customers will receive detailed assembly instructions and all tools required for setup.
Delivery Terms
- DAP Incoterms: Orders ship under DAP Incoterms, meaning Delivered at Place.
- You are responsible for import customs clearance and any local duties or taxes that may be charged by your country.
- In many cases, shipments to North America clear without additional import fees, but customs duties, tariffs, and taxes are ultimately determined by local authorities and are outside our control.
- Ships From Poland: DOF Reality motion simulators are built and shipped directly from DOF Reality in Poland.
- Production Batches: DOF Reality products ship in production batches approximately every 2–3 weeks. Delivery timing depends on when your order enters the next production batch.
- Estimated Delivery Timeframe: Most DOF Reality orders are delivered within approximately 5–6 weeks from the date of purchase. This estimate includes payment processing, production, customs export/import, and transit time to your address.
- Payment processing may take approximately 5–7 business days.
- Delivery times may vary based on freight carrier schedules, customs processing, and regional conditions.
- Pre-Orders: Pre-orders may have undefined shipping dates until production begins. Once your order enters the production queue, we will provide an updated estimated delivery timeframe.
Shipping Cost Adjustments
- Shipping rates listed on the website are estimates and may fluctuate based on destination or carrier rate changes.
- If additional freight charges apply, customers will be notified prior to shipment for approval or refund.
Inspection Upon Delivery
Customers must inspect all packages immediately upon delivery.
Any missing or damaged items must be reported in writing within 48 hours. Failure to do so may void any replacement claim.
4. Returns and Refunds
Eligibility
- Refunds are only granted if a product is defective and cannot be restored to working condition through joint support between DOF Reality and the customer.
- Refunds will not be issued for change of mind or buyer’s remorse.
- Shipping and return shipping costs are the responsibility of the customer.
- Products must be properly packaged for return to prevent damage in transit.
- Refunds, if approved, will be processed within 20 business days after the returned product is received and inspected.
- High-value orders are processed shortly after purchase. Cancellations must be requested promptly to avoid processing fees.
Pre-Order and Custom Orders
- All pre-order deposits are non-refundable.
- Custom-built units cannot be cancelled or refunded once production has begun.
5. Warranty Policy
Coverage Period
All DOF Reality systems come with a 12-month limited warranty covering defects in materials or workmanship from the date of delivery.
Replacement or repaired components receive a 6-month warranty from their installation date.
Consumer Models: M & H Series
- Warranty applies to private, non-commercial use only.
- Commercial use voids the warranty coverage.
- Coverage excludes wear items such as motors, wheels, dampers, or mechanical joints that are subject to normal wear and tear.
Professional Models
- Professional and commercial-grade systems include a 12-month limited warranty with similar exclusions.
- On-site service may be offered at DOF Reality’s discretion for professional setups.
Warranty Limitations
Warranty does not cover:
- Normal wear and tear of moving components
- Improper storage, installation, or use against the manufacturer’s recommendations
- Unauthorized repairs or modifications
- Over-tightening dampers or overheating motors above 70°C
- Software-related issues or third-party system conflicts
Slight play in gearboxes, up to 10% of motion range, is normal and not considered a defect.
Claim Procedure
- Report any issue in writing immediately upon discovery.
- Provide photos, video, or diagnostic details as requested.
- Simulator Direct/DOF Reality will evaluate the claim within a reasonable timeframe.
- If approved, defective parts will be repaired, replaced, or shipped to you for replacement.
- Customers are responsible for the cost and risk of returning defective parts.
If Simulator Direct/DOF Reality fails to resolve a covered issue within a reasonable time, the customer may request a cancellation and refund for that item.
6. Extended Warranty & Service Plans
Optional extended warranty and software/hardware support packages are available upon request for professional models only.
These plans are tailored to each installation and priced based on system specifications.
Contact support@simulatordirect.com for details.
7. Software License Terms
Each platform includes a Sim Racing Studio Standard License, which is sufficient for full motion operation.
Premium features are available through an optional paid Sim Racing Studio Premium subscription, purchased directly from Sim Racing Studio.
DOF Reality is not responsible for changes or telemetry issues in third-party software or games.
8. Liability Disclaimer
DOF Reality products are designed for private entertainment purposes only.
The company is not liable for:
- Personal injury, loss of income, or indirect damages
- Misuse, modification, or unintended operation of the product
- Software or hardware malfunctions caused by third-party equipment
Maximum liability shall not exceed 50% of the total amount invoiced to the customer in the previous year, or $25 USD, whichever is lower.
9. Governing Law
Orders placed through Simulator Direct are governed by the laws applicable to Simulator Direct and the customer’s transaction, unless otherwise required by law. Certain manufacturer warranty, support, or product terms may also be governed by the manufacturer’s own terms and conditions..
10. Contact Information
For warranty claims, returns, or technical support, please contact:
Simulator Direct
Email: support@simulatordirect.com

Newsletter
Exclusive Updates. Delivered Before Anyone Else.