Turn Key Installations Available
Wire rope assemblies and controls sold separately.
Series 4WS Worm/Spur Gear Power Winches
Series 4WS Have A Load Rating of Up to 6000 lb capacity
- Modular Design allows us to make-to-order each winch to meet your exact needs.
- Standard Features include TEFC brake motors, enclosed machine cut gearing and flange style ball bearings.
- Custom Modifications available include grooved drums, special drum lengths and diameters, limit switches, roller pressure bars, and special finishes. Pneumatic, hydraulic and alternate motor voltages are also available.
- Two-year Limited Warranty
Series 4WS Electric — Configurations and Performance Characteristics
When ordering, please indicate Model Number and Extensions Examples: 4WS1M6-1100-20-A (without clutch); 4WS1M6-1100-20-A-C (with clutch)
| Model Number |
Model Number Extensions | ||||
| Load Rating |
Line Speed |
Motor Codes |
Clutch Option |
HP | |
| 4WS1M6 | 800 | 15 | A, B, D, E, F | C | 5 |
| 4WS1M6 | 800 | 30 | A, B, D, E, F | C | .75 |
| 4WS1M6 | 800 | 40 | A, B, D, E, F | C | 1 |
| 4WS1M6 | 1100 | 20 | A, B, D, E, F | C | .75 |
| 4WS1M6 | 1100 | 30 | A, B, D, E, F | C | 1 |
| 4WS1M6 | 1100 | 40 | D, E, F | C | 1.5 |
| 4WS1M6 | 1500 | 20 | A, B, D, E, F | C | 1 |
| 4VVS1M6 | 1500 | 30 | D, E, F | C | 1.5 |
| 4WS1M6* | 1500 | 40 | B, D, E, F | C | 2 |
| 4WS3M10 | 2000 | 15 | A, B. D, E, F | C | 1 |
| 4WS3M10 | 2000 | 20 | D, E, F | C | 1.5 |
| 4WS3M10 | 2500 | 20 | B, D, E, F | C | 2 |
| 4WS3M10 | 3000 | 15 | D, E, F | C | 1.5 |
| 4VVS3M10 | 3000 | 20 | B, D, E, F | C | 2 |
| 4WS3M10 | 3500 | 7 | A, B, D, E, F | C | 1 |
| 4WS3M10 | 3500 | 15 | B, D, E, F | C | 2 |
| 4VVS3M10* | 3500 | 20 | D, E, F | C | 3 |
| 4WS6M12 | 3000 | 10 | D, E, F | C | 1.5 |
| 4WS6M12 | 3000 | 20 | B, D, E, F | C | 2 |
| 4WS6M12 | 4000 | 10 | B, D, E, F | C | 2 |
| 4WS6M12 | 4000 | 20 | D, E, F | C | 3 |
| 4VVS6M12 | 6000 | 4 | A, B, D, E, F | C | 1 |
| 4WS6M12 | 6000 | 10 | D, E, F | C | 3 |
| 4WS6M12* | 6000 | 20 | D, E, F | C | 5 |
| Model Number |
Load Ratings (lbs) | Wire Rope Dia (in) |
||
| 1st Layer |
Mid Drum | Full Drum |
||
| 4WS1M6 | 800 | 550 | 420 | 3/16 |
| 4WS1M6 | 800 | 550 | 420 | 3/16 |
| 4WS1M6 | 800 | 550 | 420 | 3/16 |
| 4WS1M6 | 1100 | 800 | 600 | 1/4 |
| 4WS1M6 | 1100 | 800 | 600 | 1/4 |
| 4WS1M6 | 1100 | 800 | 600 | 1/4 |
| 4WS1M6 | 1500 | 1000 | 800 | 1/4 |
| 4VVS1M6 | 1500 | 1100 | 800 | 1/4 |
| 4WS1M6* | 1500 | 1100 | 800 | 1/4 |
| 4WS3M10 | 2000 | 1300 | 1000 | 5/16 |
| 4WS3M10 | 2200 | 1400 | 1000 | 5/16 |
| 4WS3M10 | 2500 | 1600 | 1200 | 3/8 |
| 4WS3M10 | 3000 | 2000 | 1500 | 3/8 |
| 4VVS3M10 | 3000 | 2000 | 1500 | 3/8 |
| 4WS3M10 | 3500 | 2300 | 1700 | 7/16 |
| 4WS3M10 | 3700 | 2500 | 1800 | 7/16 |
| 4VVS3M10* | 3700 | 2500 | 1800 | 7/16 |
| 4WS6M12 | 3400 | 2200 | 1600 | 3/8 |
| 4WS6M12 | 3100 | 2000 | 1500 | 3/8 |
| 4WS6M12 | 4500 | 2900 | 2100 | 7/16 |
| 4WS6M12 | 4000 | 2500 | 1900 | 7/16 |
| 4VVS6M12 | 6200 | 4000 | 3000 | 1/2 |
| 4WS6M12 | 6400 | 4200 | 3100 | 9/16 |
| 4WS6M12* | 6400 | 4200 | 3100 | 9/16 |
| Model Number |
Line Speed (fpm) Drum Cap.(ft) | Appx. Ship Wt. (lbs) |
||||
| 1st Layer |
Full Drum |
1st Layer |
Mid Drum |
Full Drum |
||
| 4WS1M6 | 17 | 33 | 21 | 110 | 260 | 155 |
| 4WS1M6 | 29 | 55 | 21 | 110 | 260 | 165 |
| 4WS1M6 | 43 | 82 | 21 | 110 | 260 | 175 |
| 4WS1M6 | 18 | 32 | 16 | 62 | 140 | 165 |
| 4WS1M6 | 30 | 54 | 16 | 62 | 140 | 175 |
| 4WS1M6 | 44 | 81 | 16 | 62 | 140 | 170 |
| 4WS1M6 | 18 | 32 | 16 | 62 | 140 | 175 |
| 4VVS1M6 | 30 | 54 | 16 | 62 | 140 | 170 |
| 4WS1M6* | 44 | 81 | 16 | 62 | 140 | 180 |
| 4WS3M10 | 14 | 29 | 34 | 220 | 500 | 310 |
| 4WS3M10 | 18 | 39 | 34 | 220 | 500 | 305 |
| 4WS3M10 | 22 | 46 | 27 | 160 | 360 | 320 |
| 4WS3M10 | 14 | 29 | 27 | 160 | 360 | 305 |
| 4VVS3M10 | 19 | 39 | 27 | 160 | 360 | 320 |
| 4WS3M10 | 8 | 15 | 23 | 120 | 270 | 330 |
| 4WS3M10 | 14 | 29 | 23 | 120 | 270 | 320 |
| 4VVS3M10* | 23 | 46 | 23 | 120 | 270 | 330 |
| 4WS6M12 | 12 | 25 | 40 | 300 | 660 | 515 |
| 4WS6M12 | 20 | 42 | 40 | 300 | 660 | 530 |
| 4WS6M12 | 12 | 25 | 34 | 220 | 500 | 530 |
| 4WS6M12 | 24 | 50 | 34 | 220 | 500 | 540 |
| 4VVS6M12 | 4 | 8 | 30 | 170 | 390 | 535 |
| 4WS6M12 | 12 | 25 | 26 | 140 | 310 | 540 |
| 4WS6M12* | 24 | 50 | 26 | 140 | 310 | 585 |
*clutch option for horizontal pulling only
1 – Actual drum capacities 25-30% less, due to nonuniform winding. Wire rope tension will also affect drum capacity.
2 – Weight may vary with motor. Please contact factory or nearest Thern Distributor for firm fixed price and delivery.
Motor Codes
| A | 115 volt | 1 phase • |
| B | 230 volt | 1 phase • |
| D | 230 volt | 3 phase • |
| E | 460 volt | 3 phase |
| F | All other voltages — please contact factory. | |
Electric Drum Control Switches — Order Separately — Section 2
| Model | Description | 115/1/60* | 230/1/60 |
| EL1CS | NEMA 1 | to 1.5 hp | to 2 hp |
| EL2CS | NEMA 1 | to 1.5 hp | to 3 hp |
| ELI CSW | NEMA 4 — watertight | to 1.5 hp | to 2 hp |
| EL2CSW | NEMA 4 — watertight | — | to 3 hp |
| EL1PD | 6 ft pendant control | to 1 hp | — |
| Model | Description | 230/3/60 | 460/3/60 |
| EL1CS | NEMA 1 | to 3 hp | to 3 hp |
| EL2CS | NEMA 1 | to 5 hp | to 7.5 hp |
| ELI CSW | NEMA 4 — watertight | to 3 hp | to 3 hp |
| EL2CSW | NEMA 4 — watertight | to 5 hp | to 7.5 hp |
| EL1PD | 6 ft pendant control | — | — |
Custom controls are available including wireless remote control, variable speed control, electronic overload, and enclosures for special environments.
Controls for 115V single phase motors up to 1 hp, include an 8 ft power cord with grounded plug. Please contact factory or nearest Them n Distributor for firm fixed price and delivery.
Series 4WS – Winch Dimensions (in)
| Model Extensions | A | B | C | D |
| 4WS1M6-800-15 | 21.00 | 21.62 | 3.00 | 6.75 |
| 4WS1M6-800-30 | 21.00 | 22.38 | 3.00 | 6.75 |
| 4WS1M6-800-40 | 21.75 | 23.38 | 3.00 | 6.75 |
| 4WS1M6-1100-20 | 21.00 | 22.38 | 3.00 | 6.75 |
| 4WS1M6-1100-30 | 21.75 | 23.38 | 3.00 | 6.75 |
| 4WS1M6-1100-40 | 21.75 | 22.38 | 3.00 | 6.75 |
| 4WS1M6-1500-20 | 21.75 | 23.38 | 3.00 | 6.75 |
| 4WS1M6-1500-30 | 21.75 | 22.38 | 3.00 | 6.75 |
| 4WS1M6-1500-40 | 21.75 | 25.00 | 3.00 | 6.75 |
| 4WS3M10-2000-15 | 27.75 | 26.75 | 5.00 | 10.12 |
| 4WS3M10-2000-20 | 27.75 | 25.75 | 5.00 | 10.12 |
| 4WS3M10-2500-20 | 27.75 | 28.25 | 5.00 | 10.12 |
| 4WS3M10-3000-15 | 27.75 | 25.75 | 5.00 | 10.12 |
| 4WS3M10-3000-20 | 27.75 | 28.25 | 5.00 | 10.12 |
| 4WS3M10-3500-7 | 27.75 | 32.00 | 5.00 | 10.12 |
| 4WS3M10-3500-15 | 27.75 | 28.25 | 5.00 | 10.12 |
| 4WS3M10-3500-20 | 28.81 | 33.00 | 5.00 | 10.12 |
| 4WS6M12-3000-10 | 33.00 | 26.75 | 5.62 | 12.88 |
| 4WS6M12-3000-20 | 33.00 | 29.50 | 5.62 | 12.88 |
| 4WS6M12-4000-10 | 33.00 | 29.50 | 5.62 | 12.88 |
| 4WS6M12-4000-20 | 34.00 | 29.25 | 5.62 | 12.88 |
| 4WS6M12-6000-4 | 33.00 | 27.75 | 5.62 | 12.88 |
| 4WS6M12-6000-10 | 34.00 | 29.25 | 5.62 | 12.88 |
| 4WS6M12-6000-20 | 34.00 | 31.00 | 5.62 | 12.88 |
| Model Extensions | E | H | J | K |
| 4WS1M6-800-15 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS1M6-800-30 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS1M6-800-40 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS1M6-1100-20 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS1M6-1100-30 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS1M6-1100-40 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS1M6-1500-20 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS1M6-1500-30 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS1M6-1500-40 | 2.25 | 11.75 | 1.75 | 6.00 |
| 4WS3M10-2000-15 | 2.38 | 17.50 | 2.38 | 10.00 |
| 4WS3M10-2000-20 | 2.38 | 17.50 | 2.38 | 10.00 |
| 4WS3M10-2500-20 | 2.38 | 17.50 | 2.38 | 10.00 |
| 4WS3M10-3000-15 | 2.38 | 17.50 | 2.38 | 10.00 |
| 4WS3M10-3000-20 | 2.38 | 17.50 | 2.38 | 10.00 |
| 4WS3M10-3500-7 | 2.38 | 17.50 | 2.38 | 10.00 |
| 4WS3M10-3500-15 | 2.38 | 17.50 | 2.38 | 10.00 |
| 4WS3M10-3500-20 | 2.38 | 17.50 | 2.38 | 10.00 |
| 4WS6M12-3000-10 | 2.50 | 22.50 | 3.25 | 12.00 |
| 4WS6M12-3000-20 | 2.50 | 22.50 | 3.25 | 12.00 |
| 4WS6M12-4000-10 | 2.50 | 22.50 | 3.25 | 12.00 |
| 4WS6M12-4000-20 | 2.50 | 22.50 | 3.25 | 12.00 |
| 4WS6M12-6000-4 | 2.50 | 22.50 | 3.25 | 12.00 |
| 4WS6M12-6000-10 | 2.50 | 22.50 | 3.25 | 12.00 |
| 4WS6M12-6000-20 | 2.50 | 22.50 | 3.25 | 12.00 |
| Model Extensions | M | N | P | R |
| 4WS1M6-800-15 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS1M6-800-30 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS1M6-800-40 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS1M6-1100-20 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS1M6-1100-30 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS1M6-1100-40 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS1M6-1500-20 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS1M6-1500-30 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS1M6-1500-40 | 9.75 | 1.25 | 8.50 | 11.00 |
| 4WS3M10-2000-15 | 15.00 | 1.88 | 12.75 | 16.50 |
| 4WS3M10-2000-20 | 15.00 | 1.88 | 12.75 | 16.50 |
| 4WS3M10-2500-20 | 15.00 | 1.88 | 12.75 | 16.50 |
| 4WS3M10-3000-15 | 15.00 | 1.88 | 12.75 | 16.50 |
| 4WS3M10-3000-20 | 15.00 | 1.88 | 12.75 | 16.50 |
| 4WS3M10-3500-7 | 15.00 | 1.88 | 12.75 | 16.50 |
| 4WS3M10-3500-15 | 15.00 | 1.88 | 12.75 | 16.50 |
| 4WS3M10-3500-20 | 15.00 | 1.88 | 12.75 | 16.50 |
| 4WS6M12-3000-10 | 19.00 | 1.88 | 18.25 | 22.00 |
| 4WS6M12-3000-20 | 19.00 | 1.88 | 18.25 | 22.00 |
| 4WS6M12-4000-10 | 19.00 | 1.88 | 18.25 | 22.00 |
| 4WS6M12-4000-20 | 19.00 | 1.88 | 18.25 | 22.00 |
| 4WS6M12-6000-4 | 19.00 | 1.88 | 18.25 | 22.00 |
| 4WS6M12-6000-10 | 19.00 | 1.88 | 18.25 | 22.00 |
| 4WS6M12-6000-20 | 19.00 | 1.88 | 18.25 | 22.00 |
| Model Extensions | S (hole dia) |
| 4WS1M6-800-15 | .44 |
| 4WS1M6-800-30 | .44 |
| 4WS1M6-800-40 | .44 |
| 4WS1M6-1100-20 | .44 |
| 4WS1M6-1100-30 | .44 |
| 4WS1M6-1100-40 | .44 |
| 4WS1M6-1500-20 | .44 |
| 4WS1M6-1500-30 | .44 |
| 4WS1M6-1500-40 | .44 |
| 4WS3M10-2000-15 | .59 |
| 4WS3M10-2000-20 | .59 |
| 4WS3M10-2500-20 | .59 |
| 4WS3M10-3000-15 | .59 |
| 4WS3M10-3000-20 | .59 |
| 4WS3M10-3500-7 | .59 |
| 4WS3M10-3500-15 | .59 |
| 4WS3M10-3500-20 | .59 |
| 4WS6M12-3000-10 | .88 |
| 4WS6M12-3000-20 | .88 |
| 4WS6M12-4000-10 | .88 |
| 4WS6M12-4000-20 | .88 |
| 4WS6M12-6000-4 | .88 |
| 4WS6M12-6000-10 | .88 |
| 4WS6M12-6000-20 | .88 |
Dimensions are for reference only and subject to change without notice.
Series 4WS – Drum Dimensions
| Model Extension |
Drum Diam |
Flange Diam |
Drum Width |
Fleet Angle Distance |
| 4WS1M6 | 2.88 in | 7.00 in | 6.00 in | 10 ft |
| 4WS3M10 | 4.50 in | 11.50 in | 10.00 in | 16 ft |
| 4WS6M12 | 5.50 in | 14.00 in | 12.00 in | 20 ft |
Dimensions are for reference only and subject to change without notice.
‘ Recommended minimum distance between drum and lead sheave for smooth drum.
Important:
It is the owner’s or operator’s responsibility to determine the suitability of the equipment to its intended use. Study all applicable codes, manuals, and regulations. Be sure to read the Owner’s Manual supplied with the equipment before operating it.