Features:
1. Crawler drive adopts directly connected frequency adjustment
2. Upper crawler adopts cylinder soft compression, Automatically adapt to changes in pipe size and Maintain good contact pressure with the pipe, the lower crawler electriclly adjust up and down according to pipe size.
3. Adopt V high friction coefficient rubber block

Certificates: CE, SGS, ISO

Model	QY63/2	QY63/2	QY250/4	QY450/4	QY630/6	QY800/6	QY1000/8	QY1200	QY1600
Haul-off range(mm)	Φ16-Φ63	Φ50-Φ160	Φ63-Φ250	Φ110-Φ450	Φ250-Φ630	Φ315-Φ800	Φ450-Φ1000	Φ630-Φ1200	Φ800-Φ1600
Crawler quantity(pcs)	2	2	4	4	6	6	6	10	12
Mating Length(mm)	1200	1800	1700	1900	1900	2200	2200	2200	2400
Max traction(N)	7500	9000	20000	25000	40000	50000	60000	75000	120000
Traction speed(m/min)	1.5-15	1.2-8	0.6-6	0.3-3.0	0.15-1.5	0.15-1.5	0.1-1.0	0.1-1.0	0.1-1.0