Head to head
Crypton Class IV Roller Brake Tester vs Twin Busch TWX-610
The Crypton Class IV Roller Brake Tester is a mot-approved roller brake tester for cars and light vans. The Twin Busch TWX-610 is a tyre changer, up to 24in internal clamping.
Last reviewed 13 September 2026
Specifications side by side
| Crypton Class IV Roller Brake Tester | Twin Busch TWX-610 | |
|---|---|---|
| Supply | 400V 3-phase, 25A fuse | 230V, 16A type C fuse |
| Max axle weight | 4000 kg | - |
| Max brake force per wheel | 600 kgf | - |
| Test speed | 5 km/h | - |
| Roller diameter | 182 mm | - |
| Roller length | 700 mm | - |
| Axle width range | 800-2200 mm | - |
| Max control box distance | 12 m from rollers | - |
| Warranty | 3 years | - |
| Rim range | - | 10-21in external clamping, 12-24in internal clamping |
| Max wheel diameter | - | 1040 mm (41in) |
| Max wheel width | - | 355 mm (14in) |
| Motor power | - | 1.1 kW |
| Air pressure | - | 8-10 bar |
| Bead breaker force | - | 2500 kg |
| Weight | - | 188 kg |
Sources: Crypton Class IV Roller Brake Tester, Twin Busch TWX-610. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Class IV Roller Brake Tester if...
A Class IV MOT roller brake tester for cars and light vans up to 4 tonnes, testing at 5 km/h with a 700mm roller length. It runs from a 3-phase supply and carries a 3 year warranty. Suits an MOT-approved garage testing standard cars and vans.
Full Class IV Roller Brake Tester specifications →Buy or hire the TWX-610 if...
A single-phase tyre changer clamping wheels up to 24 inches internally, with a 2500kg bead breaker and 1350Nm turntable torque. It runs from a standard 230V supply and needs a shop air line at 8-10 bar. Suits a general car and light van tyre bay rather than large commercial wheels.
Full TWX-610 specifications →Common questions
What is the difference between the Crypton Class IV Roller Brake Tester and the Twin Busch TWX-610?
The Crypton Class IV Roller Brake Tester is a mOT-approved roller brake tester for cars and light vans; the Twin Busch TWX-610 is a tyre changer, up to 24in internal clamping.
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