LOW Series Hollow Hydraulic Torque Wrench

Max working pressure up to 70MPa, accuracy up to ±3%
A total of six models from 232- 44593Nm
360°x180°and 360°x360°rotation hose connectors optional, used without limited space
Integrated lengthen design, longer arm, reliability enhanced
Aluminum and titanium alloy forming body, high strength, high toughness
New type anti - loose joints to ensure the oil ﬂows smoothly
Anti-stop pawl design can prevent the wrench ratchet from reversing, higher work efﬁciency and torque accuracy
Hollow design, wrench directly acts on the nut, more accurate torque and lighter

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Product Catalogue 

Technical Specifications of LOW Series Hollow Hydraulic Torque Wrench

Technical Drawings

Product Parameter Table

Model	Torque Range(N.m)	A/F(mm)	Drive Head Weight(kg)	Working Head Weight(kg)	L	H1	H2	W1	W2
2LOW	232-2328	19-55	0.9	1.5	196	126	102	32	51
	242-2414	60	0.9	1.5	196	129	105	32	51
4LOW	585-5858	34-65	1.7	3.4	258	163	136	42	66
	647-6474	70-80	1.7	3.4	263	173	146	42	66
8LOW	1094-10941	41-95	3	6.3	300	192	168	53	83
	1177-11774	100-105	3.1	6.3	311	201	177	53	83
14LOW	1852-18521	50-117	4.6	11.4	360	225	204	64	99
18LOW	2695-26958	65-130	6.5	14.3	388	264	231	71	109
30LOW	4188-41882	110-155	10.4	20.5	430	303	272	85	131
	4459-44593	160-175	10.4	20.5	441	315	285	85	131

All kinds of special speciﬁcations of drive shafts, drive wheels and reaction arms can be customized.

Low-wrench Pressure & Torque-Comparison Table

Model	2LOW		4LOW		8LOW		14LOW	18LOW	30LOW
AVF(mm)	19-55	60	34-65	70-80	41-95	100-105	50-117	65-130	110-155	150-175
Mpa	N.m	N.m	N.m	N.m	N.m	Nm	N.m	N.m	N.m	N.m
7	232	241	585	647	1094	1177	1852	2695	4188	4459
8	265	275	669	739	1250	1345	2117	3081	4786	5096
9	299	310	752	832	1407	1513	2381	3466	5385	5733
10	332	344	836	924	1563	1682	2646	3851	5983	6370
11	365	379	920	1017	1719	1850	2910	4236	6581	7007
12	398	413	1003	1109	1876	2018	3175	4621	7180	7644
13	432	448	1087	1202	2032	2186	3440	5006	78	8281
14	465	482	1171	1294	2188	2354	3704	5392	8376	8918
15	498	517	1255	1387	2344	2523	3969	577	8975	9555
16	531	551	1338	1479	2501	2691	4233	6162	9573	10192
17	565	586	1422	1572	2657	2859	4498	6547	10171	10829
18	598	620	1506	1664	2813	3027	4762	6932	10769	11467
19	631	655	1589	1757	2970	3195	5027	7317	11368	12104
20	665	689	1673	1849	3126	3364	5292	7702	11966	12741二
21	698	724	1757	1942	3282	3532	5556	8087	12564	13378
22	731	758	1840	2034	3439	3700	5821	8473	13163	14015
23	764	793	1924	2127	3595	3868	60895	8858	13761	14652
24	798	827	2008	2219	3751	4037	6350	9243	14359	15289
25	831	862	2092	2312	3907	4205	6615	9628	14958	15926
26	864	896	2175	2404	4064	4373	6879	10013	15556	16563
27	897	931	2259	2497	4220	4541	7144	10398	16154	17200
28	931	965	2343	2589	4376	4709	7408	10793	16753	17837
29	964	1000	2426	2682二	4533	4878	7673	11168	17351	18474
30	997	1034	2510	2774	4689	5046	7938	11553	17949	19111
31	1030	1069	2594	2867	4845	5214	8202	11939	18548	19748
32	1064	1103	2677	2959	5002	5382	8467	12324	19146	20385
33	1097	1138	2761	3052	5158	5550	8731	12709	19744	21022
34	1130	1172	2845	3144	5314	5719	8996	13094	20343	21659
36	1164	1207	2929	3237	5470	5887	9260	13864	20941	22296
36	1197	1241	3012	3329	5627	6055	9525	13864	21539	22933
37	1230	1276	3096	3422	5783	6223	9790	14249	22138	23570
38	1263	1310	3180	3514	5939	6391	10054	14634	22736	24207
39	1297	1345	3263	3607	6096	6560	10319	15019	23334	24845
40	1330	1379	3347	3699	6252	6728	10583	15405	23932	25482
41	1363	1414	3431	3792	6408	6896	10949	15790	24531	26119
42	1396	1448	3514	3884	6565	7064	11113	16175	25129	26756
43	1430	1483	3598	3977	6721	7232	11377	16560	25727	27393
44	1463	1517	3682	4069	6877	7401	11642	16945	26326	28030
45	1496	1552	3766	4162	7033	7569	11906	17330	26924	28667
46	1530	1586	3849	4254	7190	7737	12171	17715	27522	29304
47	1563	1621	3933	4347	7346	7905	12436	18100	2812i	29941
48	1596	1655	4017	4439	7502	8073	12700	18485	28719	30578
49	1629	1690	4100	4532二	7659	8242	12965	18871	29317	31215
50	1663	1724	4184	4624	7815	8410	13229	19256	29916	31852
51	1696	1759	4268	4717	7971	8578	13494	19641	30514	32489
52	1729	1793	4351	4809	8128	8746	13758	20026	31112	33126
53	1762	1828	4435	4902二	8284	8914	14023	20411	31711	33763
54	1796	1862	4519	4994	8440	9083	14288	20796	32309	34400
55	1829	1897	4603	5087	8596	9251	14552	21181	32907	35037
56	1862	1931	4686	5179	8753	9419	14817	21566	33506	35674
57	1895	1966	4770	572	8909	9587	15081	21952	34104	36311
58	1929	2000	4954	5364	9065	9756	15346	22337	34702	36948
59	1962	2035	4937	5457	9222	9924	15611	22722	35301	37585
60	1995	2069	5021	5549	9378	10092	15875	23107	35899	39223
61	2029	2104	5105	5642	9534	10260	16140	23492	36497	38960
62	2062	2138	5188	5734	9691	10428	16404	23877	37095	39497
63	2095	2173	5272	5827	9847	10597	16669	24262	37694	40134
64	2128	2207	5356	5919	10003	10765	16933	24647	38292	40771
65	2162	2242	5110	6012	10169	10933	17198	25032	38890	41408
66	2195	2276	5523	6104	10316	11101	17463	25418	39489	42045
67	2228	2311	5607	6197	10472	11269	17727	25803	40087	42682
68	2261	2345	5691	6289	10628	11438	17992	26188	40685	43319
69	2295	2380	5774	6382	10785	11606	18256	26573	41284	43956
70	2328	2414	5858	6474	10941	11774	18521	26958	41882	44593

Model	2LOW		4LOW		8LOW		14LOW	18LOW	30LOW
A/F(mm)	19-55	60	34-65	70-80	41-95	100-105	50-117	65-130	110-155	160-175
psi	ft.Ibs	ft.Ibs	ft.Ibs	ft.Ibs	ft.Ibs	ft.Ibs	ft.Ibs	ft.Ibs	ft.Ibs	ft.Ibs
1000	169	175	426	470	795	855	1346	1988	3043	3240
1200	203	210	511	564	954	1026	1615	2386	3652	3888
1400	237	245	596	658	1113	1197	1884	2784	4260	4536
1600	270	280	681	752	1272	1368	2153	3181	4869	5184
1800	304	315	766	846	1431	1539	2422	3579	5477	5832
2000	338	350	852	940	1590	1710	2692	3977	6086	6480
2200	372	385	937	1034	1749	1881	2961	4374	6694	7127
2400	406	421	1022	1128	1908	2052	3230	4772	7303	7775
2600	440	456	1107	1222	2067	2223	3499	5170	7911	8423
2800	473	491	1192	1317	2226	2395	3768	5568	8520	9071
3000	507	526	1277	1411	2385	2566	4037	5965	9128	9719
3200	541	561	1362	1505	2544	2737	4306	6363	9737	10367
3400	575	596	1447	1599	2703	2908	4575	6760	10345	11015
3600	609	631	1533	1693	2861	3079	4844	7158	10954	11663
3800	642	666	1618	1787	3020	3250	5113	7556	11562	12311
4000	676	701	1703	1881	3179	3421	5383	7954	12171	12959
4200	710	736	1788	1975	3338	3592	5652	8351	12779	13606
4400	744	771	1873	2069	3497	3763	5921	8749	13388	14254
4600	778	806	1958	2163	3656	3934	6190	9147	13996	14902
4800	812	842	2043	2257	3815	4105	6459	9544	14605	15550
5000	845	877	2128	2351	3974	4276	6728	9942	15213	16198
5200	879	912	2214	2445	4133	4447	6997	10340	15822	16846
5400	913	947	2299	2539	4292	4618	7266	10737	16430	17494
5600	947	982	2384	2633	4451	4789	7535	11135	17039	18142
5800	981	1017	2469	2727	4610	4960	7804	11533	17647	18790
6000	1015	1052	2554	2822	4769	5132	8074	11930	18256	19438
6200	1048	1087	2639	2916	4928	5303	8343	12328	18865	20085
6400	1082	1122	2724	3010	5087	5474	8612	12726	19473	20733
6600	1116	1157	2809	3104	5246	5645	8881	13123	20082	21381
6800	1150	1192	2894	3198	5405	5816	9150	13521	20690	22029
7000	1184	1227	2980	3292	5564	5987	9419	13919	21299	22677
7200	1217	1262	3065	3386	5723	6158	9688	14317	21907	23325
7400	1251	1298	3150	3480	5882	6329	9957	14714	22516	23973
7600	1285	1333	3235	3574	6041	6500	10226	15112	23124	24621
7800	1319	1368	3320	3668	6200	6671	10495	15509	23733	25269
8000	1353	1403	3405	3762	6359	6842	10765	15907	24341	25917
8200	1387	1438	3490	3856	6518	7013	11034	16305	24950	26564
8400	1420	1473	3575	3950	6677	7184	11303	16703	25558	27212
8600	1454	1508	3661	4044	6835	7355	11572	17100	26167	27860
8800	1488	1543	3746	4138	6994	7526	11841	17498	26775	28508
9000	1522	1578	3831	4232	7153	7697	12110	17895	27384	29156
9200	1556	1613	3916	4326	7312	7868	12379	18293	27992	29804
9400	1589	1648	4001	4421	7471	8040	12648	18691	28601	30452
9600	1623	1683	4086	4515	7630	8211	12917	19089	29209	31100
9800	1657	1719	4171	4609	7789	8382	13186	19486	29818	31748
10000	1691	1754	4256	4703	7948	8553	13456	19884	30426	32396

All kinds of special speciﬁcations of drive shafts, drive wheels and reaction arms can be customized.

Product Packaging Specifications

1. Custom Protective Lining

1:1 3D Molded: Custom-made to fit the exact contours of the hydraulic wrench, ensuring a snug fit that prevents tool shifting and scratches.

High-density lining: Highly durable and resistant to collapse, effectively cushioning against bumps during long-distance transport.

2. Air-Rated Shipping Case

The case is lightweight yet sturdy, with high compression resistance and impact resistance; it remains undamaged even under heavy stacking pressure. It complies with air freight standards and is easy to transport and relocate.

Features dual latches and rubber gaskets to provide waterproof, dustproof, and moisture-proof protection for internal precision components.

3. Secondary Logistics Reinforcement

Reinforced Outer Carton: Made of thick, high-corrugated cardboard and printed with international storage and shipping standard markings.

Palletization: Bulk shipments are placed on standard wooden pallets, fitted with corner protectors, strapping bands, and stretch wrap.

Container Stacking: Goods are loaded scientifically and arranged tightly to prevent shifting during transit.

Highlights of LOW Series Hollow Hydraulic Torque Wrench



360°×180°hose connector


Aluminum and titaniumalloy forming body


New type anti-loose joints


Can choose different size working head or reducer


Special electric pump for torque wrench——HEP-700


Camrying case made of PP plastic, integrated foming, resistant to pressure and fall


New type of anti-loose joints to ensure the oil flows smoothly