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Features

Digital LED Display with Integrated Touchpad

The digital LED display and touchpad are integrated into the weight tray. This compact control layout keeps readings and operating keys at the technician's working position.

Semi-Automatic easyALU Data Entry

Touch the easyALU gauge arm to the rim and the machine enters rim dimensions and selects the applicable balancing mode. The published semi-automatic rim-diameter entry range is 8-25 in.

Manual QuickNut Wheel Clamping

QuickNut is a user-operated manual clamping device that secures the wheel to the balancer shaft. It gives shops guided measurement and balancing features while keeping the wheel-mounting step hands-on.

QuickBAL Cycle Control

QuickBAL adjusts the number of measuring revolutions according to the wheel being serviced. Hofmann describes the belt-driven system as a one-spin balance designed to reduce cycle time.

Split Weight Mode

Split Weight Mode divides correction weight placement so weights can be concealed behind spokes, helping preserve the appearance of the wheel.

EZ-Collets Tool Selection

The EZ-Collets mobile app helps technicians identify a suitable collet, flange plate, or speed plate by vehicle and compare available mounting-tool options.

Protective Wheel Cover

The wheel cover helps protect the technician from objects that could be thrown during a measuring run.

Best For

Automotive Wheel Service Within Published Limits

The Geodyna 7100 is intended for automotive wheel-balancing work with assemblies up to 154 lb and 38 in in overall diameter. Verify wheel and rim dimensions against both the physical limits and the applicable entry range before service.

Space-Conscious Service Bays

The weight-tray LED display and touchpad support a compact equipment layout. The published overall dimensions are 59 x 51.5 x 52 in H x W x L, so buyers should also plan working room around the machine and wheel cover.

Shops Prioritizing Value and Guided Entry

This configuration suits buyers who want semi-automatic gauge-arm entry, straightforward LED controls, and QuickBAL cycle control while accepting manual QuickNut clamping as part of the workflow.

Specifications

Wheel and Rim Capacity
Maximum Wheel Weight154 lb / 70 kg
Maximum Wheel Diameter38 in / 96.5 cm
Maximum Physical Rim Width20 in / 51 cm
Semi-Automatic Rim Diameter Entry Range8-25 in / 20-63.5 cm
Semi-Automatic Rim Width Entry Range1-20 in / 2.54-50.8 cm
Manual Rim Diameter Entry Range8-32 in / 20-81.2 cm
Manual Rim Width Entry Range1-20 in / 2.54-50.8 cm
Manual Reference - Confirm Current Shipment
Machine Weight (Manual Reference)154 lb / 70 kg
Shipping Weight (Manual Reference)198.5 lb / 90 kg
Shipping Dimensions H x D x W (Manual Reference)46.4 x 37 x 29.9 in / 1180 x 940 x 760 mm
Receiving MethodPallet delivery; use a pallet truck to move to the working area
Utilities and Machine Dimensions
Power Supply115V, 1 phase, 60 Hz
Current Draw1.1 A
Motor Rating0.12 kW
Mains Fuses(2x) IEC 127 T 6.3 A
Overall Dimensions H x W x L59 x 51.5 x 52 in / 150 x 131 x 132 cm
Wheel ClampingQuickNut manual clamp
Display and ControlsDigital LED display with weight-tray integrated touchpad

What's Included

  • Four-cone set x1
  • Weight pliers x1
  • Rim width caliper x1
  • Weight remover tool x1

Optional Accessories

  • Basic Light Truck Cone Kit8100068
  • Nine Collet SetEAK0375G07A
  • Speed Plate KitEAK0390G24A
  • Storage StandEAK0309J67A

Installation Requirements

Provide the Published Electrical Supply

The EEWB761A configuration requires 115V single-phase, 60 Hz power. The manual's matching 115V electrical block lists 1.1 A power consumption, a 0.12 kW motor rating, and two IEC 127 T 6.3 A mains fuses. Provide an approved wall outlet, keep the power cable off the floor unless protected by an approved cover, and confirm the intended location meets applicable electrical requirements before delivery.

Plan the Floor and Working Area

The machine measures 59 x 51.5 x 52 in H x W x L. The floor should be horizontal within 1 degree, even within 2 mm, able to support the balancer, and isolated from transmitted vibration. Position the balancer directly on the floor without spacers. When these conditions are satisfied, the manual states that floor fastening is not required. Allow additional room for wheel loading, wheel-cover travel, gauge-arm use, technician access, and service access.

Plan Pallet Receiving and Final Placement

The operation manual lists a 198.5 lb shipping weight and 46.4 x 37 x 29.9 in shipping dimensions and states that the balancer is supplied on a pallet. Use a pallet truck to bring it to the working area. Confirm current shipment details, doorways, freight access, and the path to the final bay before delivery; do not lift or move the balancer by the main shaft or measuring unit.

Confirm Utility Requirements Before Delivery

The base configuration uses a manual QuickNut clamp, and the official installation guidance identifies floor and electrical requirements without listing a pneumatic connection. Confirm final utility requirements before delivery.

Shipping & Delivery

Free standard freight shipping is included for this equipment. Liftgate, residential or rural, limited-access, notice, freight-dock, and other accessorial services may require additional charges. The operation manual lists pallet delivery, a 198.5 lb shipping weight, and 46.4 x 37 x 29.9 in shipping dimensions. Use a pallet truck to move the packaged balancer to the working area, and confirm current shipment details, receiving access, and the final placement path before delivery.

Warranty

Hofmann wheel balancers are covered for 1 year on parts, 6 months on labor, 5 years on electric motors, 3 years on electronic circuit boards, and 90 days on consumable components. Coverage applies to the original purchaser for equipment delivered and used in the United States and is subject to proper handling, storage, installation, and operation. Equipment altered or repaired outside authorized Hofmann USA service, or subjected to abuse, misuse, or negligence, is excluded. Contact Garage Supply Guys at (855) 498-2147 for complete terms and warranty assistance.

Documents

Questions About This Product?

Our team can help with installation planning, freight coordination, and configuration.

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Frequently Asked Questions

What display and controls does the Geodyna 7100 use?
It uses a digital LED display with touchpad controls integrated into the weight tray. The controls are designed around a compact machine layout and are distinct from a raised-screen interface. The technician works from the tray area for measurements, data entry, and balancing commands.
Is QuickNut a powered wheel clamp?
No. QuickNut is a manual wheel-clamping device. The technician operates it by hand to secure the wheel to the balancer shaft. The semi-automatic description applies to supported measurement entry through the gauge arm, not to the clamping step or wheel mounting.
Why are entry ranges and physical capacities listed separately?
They describe different limits. Semi-automatic rim-diameter entry covers 8-25 in, and manual rim-diameter entry covers 8-32 in. Both published rim-width entry ranges are 1-20 in. Physical capacity is stated separately as a 38 in maximum wheel diameter, 20 in maximum rim width, and 154 lb maximum wheel weight.
What electrical service does this configuration require?
The EEWB761A configuration requires 115V single-phase, 60 Hz power. The operation manual's 115V electrical block lists 1.1 A power consumption, a 0.12 kW motor rating, and two IEC 127 T 6.3 A mains fuses. Provide an approved wall outlet and have the intended electrical service reviewed against the manufacturer documentation and applicable local requirements before onsite installation or connection.
Does the base machine require compressed air?
The official installation guidance identifies floor and electrical requirements without listing a pneumatic connection, and the base configuration uses a manual QuickNut clamp. Confirm final utility requirements before delivery.
What is included with the Geodyna 7100?
The specification sheet lists a four-cone set, weight pliers, rim width caliper, and weight remover tool as standard accessories. It separately lists the Basic Light Truck Cone Kit, Nine Collet Set, Speed Plate Kit, and Storage Stand as optional accessories.
What warranty applies to the Geodyna 7100?
The Hofmann guideline gives the Geodyna 7100 a model-specific 90-day parts-and-labor period. The separately listed balancer coverage remains 90 days for consumables, 3 years for electronic circuit boards, and 5 years for the electric motor. Coverage is for the original purchaser of equipment delivered and used in the United States and remains subject to the complete factory terms and exclusions.

Have a question we didn't cover? Call (855) 498-2147 and our team will help.

Also known as: Geodyna 7100, EEWB761A

About the Brand

Hofmann

Hofmann develops wheel service and undercar equipment for automotive and tire professionals, including wheel balancers, alignment systems, tire service equipment, and vehicle lifting products.

View All Hofmann Products

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