• 21.15 Service brake/vacuum system411
• 21.16 Parking brake29
• 21.17 Trailer brake7
• 21.20 Engine brake45
• 21.21 Retarder201
• 21.22 Eddy current brake4
• 21.23 Regenerative braking system2
• 21.30 Frequent-stop brake4
• 21.35 Compressed-air system143