Towed Mass - Tractors 6105M to 6140M

Depending on the trailer/implement brake system, the following masses and speeds are permitted:

Trailer/implement brake system	Maximum permissible towed mass	Maximum speed
- Unbraked..............	3000 kg (6615 lb)	25 km/h (15.5 mph)
- Independent..............	4000 kg (8820 lb)	25 km/h (15.5 mph)
- Overrun brake..............	8000 kg (17635 lb)	25 km/h (15.5 mph)
- Hydraulic brake..............	34000 kg (74955 lb)	25 km/h (15.5 mph)
- Single-line air brake..............	34000 kg (74955 lb)	25 km/h (15.5 mph)
- Dual-line air brake..............	34000 kg (74955 lb)	Max. design speed

There may be legal limits in force that restrict the maximum towed mass and/or travel speeds to figures lower than those quoted here.