4WD braked dyno up to 1500 hp, 0.1 % accuracy, 300 kph tests in pit or surface mount.
DYNOMAX 4000brd 4WD BRAKED is a professional chassis dynamometer built for shops that handle hard-boosted street cars and dedicated race builds. The unit brings synchronized front-rear rollers, a braked drum for steady-state pulls, and a compact 4 m × 3.6 m footprint that fits most service bays. In other words, it lets teams in Dubai, Abu Dhabi, or Sharjah measure torque, horsepower, and driveline losses with dealer-grade precision.
Across the Emirates, ambient temperature regularly climbs above 40 °C, making real-world road testing unpredictable. A climate-controlled dyno room paired with the 4000brd keeps intake temps stable, so ignition maps remain consistent. By logging AFR, boost, and knock data in one pass, shops trim tune time from hours to minutes and keep the customer lounge turning over.
Before any money changes hands, engineers want plain numbers. Below is a deep dive into the core assemblies, all verified against the manufacturer data sheet and shared user reports on motorsport forums.
The housing carries dual roller sets machined from tool-grade steel. Each roller is 270 mm in diameter, knurled for tyre grip, and balanced to ISO G2.5. Internal bearings adopt triple-lip seals to survive sand ingress common in UAE coastal workshops.
A single electromagnetic brake rated at 2000 N delivers a flat torque curve across 0–300 kph. Operators can:
Two sentences of context follow the list. Because the brake links both roller sets, even staggered wheelbases remain locked to a single drum speed, preventing driveline wind-up in AWD systems like Nissan ATTESA or BMW xDrive.
Depending on job type, the 4000brd toggles between four presets:
Each mode sits behind a simple GUI inside DynomiZer Wireless software. Extra lines after the list highlight workflow: you can step from a power sweep to a steady-state table without resetting straps, cutting downtime when the client waits.
The control PC streams up to 200 Hz per channel through Wi-Fi to tablets in the pit area. Factory options include a wide-band lambda, OBD interface, and a compact weather station that auto-corrects readings for barometric swing between Al Ain highlands and Dubai sea level. Logs export as CSV or directly into TunerPro, MoTeC, or Syvecs file structures, so calibrators stay inside their preferred ecosystem.
DYNOMAX supplies the bench as either in-pit or surface-mounted. A shallow 400 mm pit depth means you can retrofit older service bays without drilling through foundation piles. Surface mounting ships with bolt-on drive-on ramps that support 3000 kg per axle, more than enough for a supercharged Trackhawk.
Most Emirati workshops cross-shop DynoJet 424, Mainline ProHub, and Mustang MD-AWD. They all crank out numbers, but the differences matter once volume picks up.
| Feature | DYNOMAX 4000brd | DynoJet 424 | Mainline ProHub | Mustang MD-AWD |
|---|---|---|---|---|
| Peak AWD power | 1500 hp | 1200 hp | 1400 hp | 1300 hp |
| Roller diameter | 270 mm | 200 mm | Hub-coupled | 254 mm |
| Track width range | 900–2200 mm | 1000–2000 mm | Hub-specific | 1000–2100 mm |
| Accuracy inertial | 0.1 % | 1 % | 0.3 % | 1 % |
| Brake type | Electromagnetic | Eddy current | Hydraulic | Eddy current |
Two explanatory sentences after the table: While hub dynos eliminate tyre slip, they need wheel removal and extra prep time. Roller-based units like 4000brd let the customer drive on and strap down in under 10 minutes, keeping throughput high during peak season.
A small powerhouse shop in Ajman runs three of these units side by side. Their head tuner reports an average of 18 cars per shift, citing quick-change straps and live Wi-Fi dashboards as the main time savers. Because the brake can hold load at 1 % tolerance, they finish spark advance tuning in fewer pulls, saving fuel and engine wear.
Every 4000brd ships with mechanical roller locks, infrared brake temp sensors, and an interlock that cuts ignition signal if the hood is opened above 30° during a run. The system meets EU EN 61010 and CE electrical directives, a prerequisite when insuring performance facilities in the UAE free zones.
DYNOMAX has been building chassis dynos for 15 years and currently catalogs 12 distinct models. The 4000brd has seen three hardware revisions, each adding sensor support and higher brake capacity. Annual output hovers around 350 units, ensuring spare parts stay in stock without lengthy import delays.
Assuming an average dyno session sells for AED 600 and takes 45 minutes, a shop running two shifts can clear the lease payment in roughly 14 weeks. Extra revenue streams include ECU reflashes, part sales, and seasonal re-tunes when ethanol blends change.
