Head to head
Crypton Class IV Roller Brake Tester vs Snap-on APOLLO-D9
The Crypton Class IV Roller Brake Tester is a mot-approved roller brake tester for cars and light vans. The Snap-on APOLLO-D9 is a diagnostic scan tool.
Last reviewed 13 September 2026
Specifications side by side
| Crypton Class IV Roller Brake Tester | Snap-on APOLLO-D9 | |
|---|---|---|
| Warranty | 3 years | 1 year standard, 1-3 years extended options |
| 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 | - |
| Supply | 400V 3-phase, 25A fuse | - |
| Max control box distance | 12 m from rollers | - |
| Display | - | 9in resistive daylight-readable touchscreen, 1024x600 |
| Operating system | - | Embedded SMX |
| Connectivity | - | Wi-Fi, USB, Ethernet/DoIP for Jaguar, Land Rover and Volvo |
| Battery | - | removable rechargeable lithium-ion, 7.4V |
| Boot time | - | under 10 seconds |
| Dimensions | - | 299 x 162 x 40.3 mm |
| Weight | - | 1.18 kg |
| Vehicle coverage | - | 50 makes, 100+ OEM-specific systems, all 10 modes of Global OBD-II |
Sources: Crypton Class IV Roller Brake Tester, Snap-on APOLLO-D9. 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 APOLLO-D9 if...
A handheld diagnostic scan tool covering 50 vehicle makes and over 100 OEM-specific systems, with built-in DoIP support for Jaguar, Land Rover and Volvo. Sold and supported through Snap-on's van dealer network with 1 to 3 year warranty options. Suits a garage wanting franchise-backed diagnostic coverage without a full workstation.
Full APOLLO-D9 specifications →Common questions
What is the difference between the Crypton Class IV Roller Brake Tester and the Snap-on APOLLO-D9?
The Crypton Class IV Roller Brake Tester is a mOT-approved roller brake tester for cars and light vans; the Snap-on APOLLO-D9 is a diagnostic scan tool.
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