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Overall Wheel Clamping Diameter   12"-28" (30.5 -71 cm)

Inner Wheel Clamping Diameter      12"-28" (30.5-71 cm)

Outer Wheel Clamping Diameter      12"-26" (30.5-66 cm)

Bead Breaker Range Position One   2.5"-12" (6-30.5 cm)

Bead Breaker Range Position Two   6"-17" (15-43 cm)

Bead Loosening Power                     6,000 lbs (2,722 kg)

Shipping Weight                                975 lbs (442 Kg)

Single Speed Power Requirements  120V 1Ph 60Hz

smartSpeed Power Requirements    230V 1Ph 16A 60Hz

smartSpeed Revolution Speed         7/14 CW & 7 CCW

Hofmann Monty 3550 SmartSpeed

Hofmann's monty® 3550 series of high-performance tire changers feature the industry's most advanced capabilities to service a wide variety of wheel and tire assemblies. The monty 3550 series is specifically designed to change low-profile, high performance and run-flat tires maximizing a shop's versatility.

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Patented smartSpeed™ Technology

Automatically minimizes damage to tires


Innovative, patented technology that optimizes the torque applied to the wheel and automatically sets the maximum rotation speed of the wheel

Variable from 7 RPM to 18 RPM offering the highest possible speed for maximum productivity

Accommodates Large Wheel & Tire Assemblies 

Allowing for a tire diameter of 47" and an outer-wheel diameter of 26" on the monty 3550 (30" on monty 3550em,) the monty 3550/3550em can handle wheel and tire assemblies found on cars and light trucks


Dual Wheel Clamping Cylinders 

Dual pneumatic clamping cylinders control all four clamping jaws, eliminating damage to wheel due to slippage


Four-Jaw Clamping Chuck 

Self-centering and clamps wheel with either 28" inner or 26" outer diameter


Powerful Two-Position Bead Breaker 

6,000 lbs of power at the bead shovel and a range of up to 17" wide. The two-stage pneumatic cylinder provides precise power and can be toggled with the foot pedal as needed


Pneumatically-Controlled Mount/Demount Head 

Push-button controlled mount/demount head pneumatically lowers and locks into position, automatically indexing away from the wheel to prevent contact and damage to the wheel and tire assembly


Protect the Most Delicate Wheels 

All metal parts have plastic protection providing non-metal to metal contact when changing delicate wheels

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