Towerless alignment that fits your bay
The R5100HD commercial truck aligner is Rotary’s Towerless Commercial Truck & Trailer Aligner designed to boost throughput without building a dedicated bay. A rugged Windows tablet puts the console in your hands so techs work from the vehicle—fewer steps, faster jobs, and higher productivity.
Built for how real shops buy
- Faster setups, safer workflow: Patented No Run-Out clamps self-center on lug nuts to eliminate rolling compensation and save 15–20 minutes per vehicle.
- Any-bay flexibility: Use this wheel alignment machine on the floor, a lift, or a pit to keep stalls producing.
- Less training, fewer rechecks: Step-by-step procedures, LED sensor repeaters, and a double inclinometer (caster without steering) make it intuitive for new techs.
- Multi-axle capability: A true truck aligner / truck wheel aligner that scales to trailers—measure up to 8 axles with long read distance for HD platforms.
- Uptime you can count on: 6-CCD infrared architecture with Bluetooth®/Wi-Fi to the control unit for clean signals at any lift height.
Key features
- Towerless, mobile tablet control with magnetic mounting on the lift or chassis
- 6-CCD infrared sensors—multi-axle ready; wireless to control unit
- No run-out compensation required thanks to STDA92 No Run-Out fast tire clamps
- Double inclinometer for caster adjustment without steering
- LED sensors provide in-spec confirmation; alignment readings up to ~59 ft
Measurement capabilities
- Front axle: total toe, partial toe, set-back, camber, caster, king pin
- Rear axle: total toe, partial toe, set-back, camber, thrust angle
- Axle offset calculation; minimum tire diameter 30″; measure up to 8 axles (trailer aligner).
What’s included
- Control unit with PC, 19″ monitor, keyboard, printer, battery charger
- (2) front + (2) rear 6-CCD measuring heads
- (1) pair HD turnplates (STDA29L)—15,500 lb each
- (4) STDA92 No Run-Out wheel clamps
- Brake pedal depressor & steering wheel holder
- Power: 110V / 1Ø / 60 Hz
Popular accessories
Specifications
- Operating format: Towerless, Windows tablet control
- Sensor tech: 6-CCD infrared; Bluetooth®/Wi-Fi to control unit
- Tire diameter range: 30″–50″ (min 30″)
- LED read distance: up to ~59 ft
- Power: 110V / 1Ø / 60 Hz
Warranty and support
Rotary Wheel Service Equipment: 3-year parts / 1-year labor warranty with U.S. parts availability and technical support.
Eliminates Dedicated Alignment Bays
Thanks to its compact, towerless design, Rotary’s revolutionary R5100HD alignment system eliminates the need for a dedicated alignment bay and allows shops to perform alignments anywhere—on the floor, on a lift, or even in the parking lot.

Work From Anywhere in the Bay
Featuring a rugged, full-powered Windows PC Tablet, this revolutionary alignment system gives your technicians complete control so they can work from anywhere in the bay and cut down on the time spent traveling to and from the alignment console. A strong, reliable magnetic backing provides even greater convenience, enabling secure tablet placement on any lift or chassis during adjustment operations.

No Rolling Compensation Required
Rotary’s NEW R5100HD features industry-leading three-point clamps that self-center on commercial lug nuts for incredible accuracy and faster setup times. These clamps eliminate the need for rolling compensation and moving heavy duty vehicles during the alignment process, providing a safer work environment for techs.

Get to Work & Align Faster
Our easy-to-onboard alignment system features step-by-step illustrated procedures so your shop can get to work sooner, focusing on what matters most for your shop.

Save Money. Multi-Axle Ready.
Unlike comparable competitor models, Rotary’s NEW R5100HD eliminates the need to purchase additional CCD sensors and clamps to align multi-axle vehicles. The R5100HD’s fast, accurate, and easy step-by-step system will guide your techs through the process, utilizing only four CCD sensors, saving your shop time and money.

Frequency Asked Questions
No. The R5100HD is a towerless system. You can align on the floor, a lift, or a pit, so you do not need a dedicated bay.
It’s a Towerless Commercial Truck & Trailer Aligner with a Windows tablet for in-bay control, 6-CCD sensors, and No Run-Out clamps that skip rolling compensation—saving 15–20 minutes per setup.
Yes. This truck aligner / truck wheel aligner is multi-axle ready and can measure up to 8 axles as a trailer aligner.
Minimum tire diameter is 30 inches (typical range 30"–50").
No. The STDA92 No Run-Out tire clamps accurately reference wheel center, so rolling compensation is not required.
Front: total toe, partial toe, set-back, camber, caster, king pin.
Rear: total toe, partial toe, set-back, camber, thrust angle.
It also supports axle offset calculation.
The double inclinometer lets techs adjust caster without steering, reducing steps and training time.
Yes. The front sensors communicate via Bluetooth® with the control unit, and the tablet connects via Wi-Fi/Bluetooth® for uninterrupted use at any lift height.
Control unit with PC, 19" monitor, keyboard, printer, charger; (2) front & (2) rear 6-CCD measuring heads; HD turnplates (STDA29L); (4) STDA92 No Run-Out clamps; brake pedal depressor; steering wheel holder.



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