Home / Thern 4WS Series - Worm/Spur Gear Power Winches
Thern 4WS Series - Worm/Spur Gear Power Winches
Thern 4WS Series - Worm/Spur Gear Power Winches

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Quick Overview:
- Combination of helical/worm and spur gearing
- Ideal for applications that require secure load control and accurate positioning
- Maximum capacity of 6000lbs
- Available with a clutch
- Clutch version gives you a capacity that goes up to 26000lbs
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Thern 4WS Series - Worm/Spur Gear Power Winches
The Thern 4WS series electric winches feature a combination of helical/worm and spur gearing, making these winches by Thern Winches & Cranes ideal for your applications that require secure load control and accurate positioning.
The maximum capacity for these products from Thern is 6000Ibs.
Please make sure you choose your voltage when purchasing this item to ensure you've got the power needed. This comes at no added cost to you.
Thern 4WS Series - Worm/Spur Gear Electric Winches with a Clutch
You can get the Thern 4WS Series with a clutch. This gives you a maximum capacity that goes up to 26000Ibs giving you that extra lifting power over the standard version.
- Modular design allows for customization
- TEFC brake motors
- Enclosed machine cut gearing
- Flange style ball bearings
- 2-Year Limited Warranty
Thern 4WS Series - Worm/Spur Gear Power Winches
Model |
Load rating |
Line speed |
Motor code |
Clutch option |
Description |
Weight (Ibs) |
4WS1M6 |
800 |
15 |
A, B |
C |
.5 hp – with brake, no controls |
155 |
4WS1M6 |
800 |
15 |
D,E |
C |
.5 hp – with brake, no controls |
155 |
4WS1M6 |
800 |
30 |
A,B |
C |
.75 hp – with brake, no controls |
165 |
4WS1M6 |
800 |
30 |
D,E |
C |
.75 hp – with brake, no controls |
165 |
4WS1M6 |
800 |
40 |
A,B |
C |
1 hp – with brake, no controls |
175 |
4WS1M6 |
800 |
40 |
D,E |
C |
1 hp – with brake, no controls |
175 |
4WS1M6 |
1100 |
20 |
A,B |
C |
75 hp – with brake, no controls |
165 |
4WS1M6 |
1100 |
20 |
D,E |
C |
75 hp – with brake, no controls |
165 |
4WS1M6 |
1100 |
30 |
A,B |
C |
1 hp – with brake, no controls |
175 |
4WS1M6 |
1100 |
30 |
D,E |
C |
1 hp – with brake, no controls |
175 |
4WS1M6 |
1100 |
40 |
D,E |
C |
1.5 hp – with brake, no controls |
180 |
4WS1M6 |
1500 |
20 |
A,B |
C |
1 hp – with brake, no controls |
175 |
4WS1M6 |
1500 |
20 |
D,E |
C |
1 hp – with brake, no controls |
175 |
4WS1M6 |
1500 |
30 |
D,E |
C |
1.5 hp – with brake, no controls |
170 |
4WS1M6 |
1500 |
40 |
B |
C |
2 hp – with brake, no controls |
180 |
4WS1M6 |
1500 |
40 |
D,E |
C |
2 hp – with brake, no controls |
180 |
Clutch option for 4WS1M6 (horizonal pulling) add: |
|
|
|
|
|
|
4WS3M10 |
2000 |
15 |
A,B |
C |
1 hp – with brake, no controls |
310 |
4WS3M10 |
2000 |
15 |
D,E |
C |
1 hp – with brake, no controls |
310 |
4WS3M10 |
2000 |
20 |
D,E |
C |
1.5 hp – with brake, no controls |
305 |
4WS3M10 |
2500 |
20 |
B |
C |
2 hp – with brake, no controls |
305 |
4WS3M10 |
2500 |
20 |
D,E |
C |
2 hp – with brake, no controls |
320 |
4WS3M10 |
3000 |
15 |
D,E |
C |
1.5 hp – with brake, no controls |
305 |
4WS3M10 |
3000 |
20 |
B |
C |
2 hp – with brake, no controls |
320 |
4WS3M10 |
300 |
20 |
D,E |
C |
2 hp – with brake, no controls |
320 |
4WS3M10 |
3500 |
7 |
A,B |
C |
1 hp – with brake, no controls |
320 |
4WS3M10 |
3500 |
7 |
D,E |
C |
1 hp – with brake, no controls |
320 |
4WS3M10 |
3500 |
15 |
B |
C |
2 hp – with brake, no controls |
320 |
4WS3M10 |
3500 |
15 |
D,E |
C |
2 hp – with brake, no controls |
320 |
4WS3M10 |
3500 |
20 |
D,E |
C |
3 hp – with brake, no controls |
330 |
Clutch option for 4WS1M10 (for horizonal pulling only) add: |
|
|
|
|
|
8 |
4WS6M12 |
3000 |
10 |
D,E |
C |
1.5 hp – with brake, no controls |
515 |
4WS6M12 |
3000 |
20 |
B |
C |
2 hp – with brake, no controls |
530 |
4WS6M12 |
3000 |
20 |
D,E |
C |
2 hp – with brake, no controls |
530 |
4WS6M12 |
4000 |
6 |
A,B |
C |
1 hp – with brake, no controls |
535 |
4WS6M12 |
4000 |
6 |
D,E |
C |
1 hp – with brake, no controls |
535 |
4WS6M12 |
4000 |
10 |
B |
C |
2 hp – with brake, no controls |
530 |
4WS6M12 |
4000 |
10 |
D,E |
C |
2 hp – with brake, no controls |
530 |
4WS6M12 |
4000 |
20 |
D,E |
C |
3 hp – with brake, no controls |
540 |
4WS6M12 |
6000 |
4 |
A,B |
C |
1 hp – with brake, no controls |
535 |
4WS6M12 |
6000 |
4 |
D,E |
C |
1 hp – with brake, no controls |
535 |
4WS6M12 |
6000 |
10 |
D,E |
C |
3 hp – with brake, no controls |
540 |
4WS6M12 |
6000 |
20 |
D,E |
C |
3 hp – with brake, no controls |
585 |
Clutch option (for 4WS6M12 for horizonal pull only) add: |
|
|
|
|
|
12 |
Thern 4WS Series - Worm/Spur Gear Power Winches with a Clutch
Model |
Load rating |
Line speed |
Motor codes |
Description |
Weight (Ibs) |
4WS9M18 |
7000 |
20 |
D,E |
5 hp – with brake, no controls |
1098 |
4WS9M18 |
7000 |
30 |
D,E |
7.5 hp – with brake, no controls |
1095 |
4WS9M18 |
10000 |
10 |
D,E |
5 hp – with brake, no controls |
1098 |
4WS9M18 |
10000 |
20 |
D,E |
7.5 hp – with brake, no controls |
1095 |
4WS9M18 |
10000 |
30 |
D,E |
10 hp – with brake, no controls |
1151 |
4WS16M20 |
13000 |
15 |
D,E |
7.5 hp – with brake, no controls |
1550 |
4WS16M20 |
13000 |
20 |
D,E |
10 hp – with brake, no controls |
1610 |
4WS16M20 |
13000 |
35 |
D,E |
15 hp – with brake, no controls |
1650 |
4WS16M20 |
16000 |
15 |
D,E |
7.5 hp – with brake, no controls |
1550 |
4WS16M20 |
16000 |
20 |
D,E |
10 hp – with brake, no controls |
1610 |
4WS26M26 |
22000 |
20 |
D,E |
15 hp – with brake, no controls |
3110 |
4WS26M26 |
22000 |
25 |
D,E |
20 hp – with brake, no controls |
3290 |
4WS26M26 |
22000 |
35 |
D,E |
25 hp – with brake, no controls |
3350 |
4WS26M26 |
26000 |
10 |
D,E |
10 hp – with brake, no controls |
3070 |
4WS26M26 |
26000 |
15 |
D,E |
15 hp – with brake, no controls |
3110 |
Frequently Asked Questions
see all faqsCan I order from outside of the US?
We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.
When will I get my goods?
We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.
Can I use a resale certificate?
We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.
Do I get a certificate with my item?
We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.
Can you price match or beat an existing quote?
We do not charge sales tax on any of our products. We are based in Oregon, which is one of five US states that does not have a sales tax.