Shandong Huaxia Group Co.,Ltd is one of the leading China QTZ250(7030A) tower crane manufacturers, we are able to offer you 12t tower crane, 70m boom tower crane mast section, cab or boom, welcome to contact our factory.

max.load 12T ,boom length 70m , tipload 3T,rated hoisting moment 630Kn.m,   max. hoisting height of anchoring 183m

R(m)	3.3-22.61	25	27	28.6	30	31.5	32	35	39.6	43.2	42	45	47	50	52	55	57	60	62	65	67	70
	5										5.86	5.38	5.1	4.72	4.49	4.17	3.98	3.72	3.55	3.33	3.19	3
	12	10.42	9.53	8.9	8.42	7.96	7.79	6.99	6	5.7	5.56	5.08	4.8	4.42	4.19	3.87	3.68	3.42	3.25	3.03	2.89	2.7
R(m)	3.3-22.91	25	27	29.2	30	31	32	35	37	41	42.7	45	47	50	52	55	57	60	62	65
	5											5.63	5.33	4.94	4.7	4.37	4.17	3.9	3.73	3.5
	12	10.86	9.94	9.08	8.79	8.45	8.12	7.31	6.82	6	5.7	5.33	5.03	4.64	4.4	4.07	3.87	3.6	3.43	3.2
R(m)	3.3-23.36	25	27	29.7	30	31	32.6	35	37	41.8	43.5	45	47	50	52	55	57	60
	5											5.76	5.46	5.06	4.81	4.48	4.28	4
	12	11.11	10.17	9.1	8.99	8.65	8.15	7.48	6.99	6	5.7	5.45	5.16	4.76	4.51	4.18	3.98	3.7
R(m)	3.3-23.36	25	27	28	30	30.8	33.8	35	37	42	43.7	45	47	50	52	55
	5											5.79	5.49	5.08	4.83	4.5
	12	11.15	10.2	9.78	9.03	8.77	7.83	7.02	6.99	6	5.7	5.49	5.19	4.78	4.53	4.2
R(m)	3.3-23.88	25	27	28	30	31	32	35.2	37	40	42.8	44.5	47	50
	6												5.61	5.2
	12	11.39	10.43	10	9.23	8.88	8.57	7.64	7.18	6.52	6	5.7	5.31	4.9
R(m)	3.3-23.36	25	27	28	30	31	32.4	35.6	37	40	43.22	45
	6
	12	11.53	10.56	10.13	9.35	8.99	8.54	7.62	7.28	6.61	6	5.7
R(m)	3.3-23.36	25	27	28	30	31	32.4	35.6	37	40
	6
	12	11.53	10.56	10.13	9.35	8.99	8.54	7.62	7.28	6.61