ADVANTAGES:
Safety and stability:
1.Multi-function display:battery status,hour meter,erro code etc.
2.The application of hand brake and hydraulic brake improve the safety level of truck.
3.Stepless speed control.
4.Equipped with adjustable steering wheel,adapted to different operators.
5. Seat withsafety belt and rest.
Structural:
1.Batteries located in the lowest part of frame tow tractor excellent stability because of low centre of gravity.
2.Automatic reset make operation easier.
Serviceability:
1.The back cover is easy to open for maintenance and replacement of parts such as drive wheel,oil     tube,accelerator,controller etc.
2.Low bttery protection setting prolong the use time of battery.

Major properties/stucture parameters
Model			Unit	QSD20	QSD30	QSD40	QSD60
Rated traction load			kg	2000	3000	4000	6000
Rated traction			N	1250	1300	1450	1660
Pedal height			mm	438
Hold under mast(min)			mm	65
Turning radius(min)			mm	1350		1520
Drive speeds(F/B)(max)			km/h	13/7.8
Gradeability(F/U)			%	5.0/15
Wheelbase			mm	970		1050
Complete size(LxWxT)			mm	1710x750x1320		1900x960x1440
Wheel distance(F/B)			mm	220/620		220/840
Tire(F/B)			-	3.20-8/4.00-8
Battery voltage			v	48
Battery capacity			Ah	300	330	360	440
Travel motor power			Kw	3		4	5
Total weight			kg	1200	1250	1300	1500
(We reserve right to change parameter without further notice)