The monty 4250 heavy-duty tyre changer designed for use with truck, tractor, bus and earthmover wheels of up to 1.5T and with 14in-56in rim diameters**.

  • Truck tyre changer for truck, utility vehicle and OTR wheels of 14in-32in and up to 56in with optional extensions

  • Electro-hydraulic drive

  • Rugged over-sized chuck

  • Positioning of wheel and tool within a wide accurate adjustment range

  • Infinitely self-centring universal hydraulic chuck

  • Unique bead breaker disc for bead breaker forces of up to 33 kN

  • Bead breaker steel disc mounted on specially hardened bushing is easy to lubricate and ensures long life

  • Sideways movement of tool holder arm and chuck are hydraulically controlled for quick and convenient operation

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Maximum Wheel Diameter 92in
Rim Width Up to 32in
Rotation Speed 4 and 8 rpm
Total Clamping Range 14in-32in as standard; 14in-56in**
Power 400v 3ph 50Hz
Dimensions (HxWxD, mm) 1950 x 2080 x 1100
Machine Weight 761kg


*Snap-on reserves the right to make changes to specifications without notice and without making changes retroactively.

**With optional adaptors.

For wheels type
Rim diameter no extensions
Rim diameter with extensions
Wheel diametre inch
Wheel diametre mm
Wheel width mm
Wheel width inch
Max wheel weight working position inch
Clamping type
Clamping axial orientation
Clamping force kN
Clamping force lbs
Chuck speed
Bead breaker type
Bead braking force N
Bead braking force lbs
Breaking force
Breaking force
Mounting tool type
Demounting tool type
Tools tangential to the rim
Tool left/right travel
Tool rotation
Tool positioning
Hydraulic pump flow
Hydraulic pressure bar
Carriage, cylinder diameter
Carriage, cylinder diameter
Chuck arm, cylinder diameter
Chuck arm, cylinder diameter
Integrated wheel lift
Hydraulic motor
Chuck motor
Power supply
Max footprint dimensions
Max footprint dimensions