Air Tuggers & Winches

Thern Helical Spur Winch

Thern’s Helical Spur Series provides a low-cost, flexible, clutch option, good for pulling in a wide variety of situations and environments. If you have a pulling application that requires a clutch for paying out line, our 4HS model hits the mark every time. The 4HS Series has a 5,000 to 56,000 lb. capacity and feature dual-stage gear reduction for economical handling of large loads and are ideal for applications requiring long travel distances and faster line speeds. Thern’s modular design means we can quickly customize these winches to meet your specific requirements.

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Features

5,000 – 56,000 lbs. capacities
Flange style roller bearings
Welded steel drum
Extended steel drum shaft
Wire rope assemblies
Flange mounted motor
Load holding motor disc brake
Dual stage gearing
AMSE compliance
2-Year Limited Warranty

Specifications Table

4HS Series Performance Characteristics
	Model Number Extensions					Load Rating						Line Speed
Model No.	Load Rating	Line Speed	Motor Codes	Clutch Option1	Motor HP	1st Layer		Mid Drum		Full Drum		1st Layer		Full Drum
	(lb)	(fpm)				(lb)	(kg)	(lb)	(kg)	(lb)	(kg)	(fpm)	(mpm)	(fpm)	(mpm)
4HS6M	5000	15	D,E,F	C	2	5100	2314	3800	1725	3100	1407	13	4.0	22	6.7
4HS6M	5000	20	D,E,F	C	3	5100	2314	3800	1725	3100	1407	20	6.1	33	10.1
4HS6M	5000	30	D,E,F	C	5	5100	2314	3800	1725	3100	1407	33	10.1	55	16.8
4HS6M	6600	15	D,E,F	C	3	6600	2994	5000	2269	4000	1815	15	4.6	25	7.6
4HS6M	6600	25	D,E,F	C	5	6600	2994	4900	2224	4000	1815	25	7.6	41	12.5
4HS6M	6600	40	D,E,F	C	7.5	6600	2994	5000	2269	4000	1815	39	11.9	64	19.5
4HS11M	9000	20	D,E,F	C	5	9000	4083	6200	2814	4700	2132	19	5.8	35	10.7
4HS11M	9000	30	D,E,F	C	7.5	9000	4083	6200	2814	4700	2132	27	8.2	51	15.5
4HS11M	9000	40	D,E,F	C	10	9000	4083	6200	2814	4700	2132	37	11.3	70	21.3
4HS11M	11,000	15	D,E,F	C	5	11,000	4990	7600	3449	5800	2631	15	4.6	28	8.5
4HS11M	11,000	20	D,E,F	C	7.5	11,000	4990	7600	3449	5800	2631	21	6.4	40	12.2
4HS11M	11,000	30	D,E,F	C	10	11,000	4990	7600	3449	5800	2631	27	8.2	51	15.5
4HS16M	13,000	20	D,E,F	C	7.5	13,000	5897	8900	4039	6700	3040	19	5.8	37	11.3
4HS16M	13,000	25	D,E,F	C	10	13,000	5897	8900	4039	6700	3040	24	7.3	46	14.0
4HS16M	13,000	40	D,E,F	C	15	13,000	5897	8900	4039	6700	3040	37	11.3	72	21.9
4HS16M	16,000	10	D,E,F	C	5	16,100	7303	11,000	4992	8300	3765	11	3.4	21	6.4
4HS16M	16,000	15	D,E,F	C	7.5	16,000	7258	10,900	4947	8300	3765	16	4.9	30	9.1
4HS16M	16,000	20	D,E,F	C	10	16,100	7303	11,000	4992	8300	3765	20	6.1	38	11.6
4HS26M	22,000	15	D,E,F	C	10	22,000	9980	16,200	7352	12,800	5807	16	4.9	27	8.2
4HS26M	22,000	25	D,E,F	C	15	22,000	9980	16,100	7307	12,700	5761	23	7.0	40	12.2
4HS26M	22,000	30	D,E,F	C	20	22,900	10,388	16,800	7624	13,200	5988	29	8.8	50	15.2
4HS26M	26,000	15	D,E,F	C	10	26,000	11,794	19,000	8623	15,000	6804	13	4.0	23	7.0
4HS26M	26,000	20	D,E,F	C	15	26,000	11,794	19,000	8623	15,100	6850	19	5.8	33	10.1
4HS26M	26,000	25	D,E,F	C	20	26,000	11,794	19,100	8668	15,000	6804	26	7.9	45	13.7
4HS40M	33,000	20	D,E,F	C	20	33,100	15,015	24,100	10,937	18,900	8574	19	5.8	34	10.4
4HS40M	33,000	30	D,E,F	C	30	33,000	14,969	24,100	10,937	18,900	8574	29	8.8	51	15.5
4HS40M	33,000	40	D,E,F	C	40	33,100	15,015	24,100	10,937	18,900	8574	39	11.9	68	20.7
4HS40M	40,000	20	D,E,F	C	20	40,300	18,281	29,300	13,297	23,000	10,433	17	5.2	29	8.8
4HS40M	40,000	25	D,E,F	C	30	40,300	18,281	29,400	13,342	23,100	10,479	23	7.0	41	12.5
4HS40M	40,000	35	D,E,F	C	40	40,000	18,144	29,400	13,342	22,900	10,388	34	10.4	59	18.0
4HS56M	48,000	20	D,E,F	C	30	48,000	21,773	37,200	16,882	30,300	13,745	21	6.4	33	10.1
4HS56M	48,000	30	D,E,F	C	40	48,000	21,773	37,200	16,882	30,300	13,745	28	8.5	44	13.4
4HS56M	52,000	35	D,E,F	C	50	52,200	23,678	40,400	18,334	32,900	14,924	33	10.1	52	15.8
4HS56M	56,000	20	D,E,F	C	30	56,000	25,402	43,300	19,650	35,400	16,058	18	5.5	29	8.8
4HS56M	56,000	25	D,E,F	C	40	56,000	25,402	43,400	19,695	35,400	16,058	24	7.3	38	11.6
4HS56M	56,000	30	D,E,F	C	50	56,200	25,493	43,500	19,741	35,500	16,103	30	9.1	47	14.3

Delivery Reach

We deliver throughout North America. From the moment an order is received, our total focus is to ensure deliveries are shipped out as soon as possible and meet the exact specifications requested.

Need Assistance

Not sure how to operate your equipment? Don’t know which model is best for your project? If you have any technical questions, please feel free to call us at 1 (800) 461-1847.