Electric Winches

Helical/Worm Gear Electric Winches - Series 477

Helical/Worm Gear Air and Hydraulic Winches - Series 477

Electric Motor Controls

Worm/Spur Gear Electric Winches - Series 4WS

Helical/Worm Gear Electric Winches - Series 4HW

Helical/Chain Drive Electric Winches - Series 4HC

Electric Winches Helical / Worm Gear Electric Winches - Series 477

Series 477 electrical winches feature cast aluminum construction for lightweight strength and durability. Helical/worm gears operate in an enclosed oil bath to provide accurate operation. Sealed roller bearings ensure smooth, efficient operation. An internal mechanical brake delivers load control for lifting applications. Model 4771 includes a 115 volt single phase motor with 8 foot power cord and pendant control switch. Model 4771AC is equipped with a 115/230 volt single or three phase motor. Model 4771DC is powered by a 12 volt DC motor.

Model

Motor hp

Load Rating 1st Layer

Load Rating Full Drum

Wire Rope Diameter

Full Drum Capacity

1st Layer Line Speed

Approx. Ship Wt.
4771 1.2 2000 lb 1000 lb 5/16 in 90 ft 12 fpm 92 lb
4771AC 1.5 2000 lb 1000 lb 5/16 in 90 ft 12 fpm 89 lb
4771DC 1.0 2000 lb 1000 lb 5/16 in 90 ft 12 fpm 95 lb

Actual drum capacities may be 25 - 30% less, due to non-uniform winding. Tension in the wire rope will also affect drum capacity.

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Helical / Worm Gear Air and Hydraulic Winches - Series 477

The 477 Series winches share all the important features of the electric models, including cast aluminum construction for lightweight strength, helical/worm gearing for accurate and dependable operation, sealed roller bearings for smooth operation, and internal mechanical brakes for load control in lifting applications. The 4771PN is equipped with an 8-vane air motor, ideal for use in most explosive environments. The 4771HY is powered by a generator type hydraulic motor to smooth operation and variable speed control of loads.

Model

Air/Hydraulic Flow

Load Rating 1st Layer

Load Rating Full Drum

Wire Rope Diameter

Full Drum Capacity

1st Layer Line Speed

Approx. Ship Wt.
4771PN 40 cfm at 100 psi 2000 lb 1000 lb 5/16 in 90 ft 12 fpm 82 lb
4771HY 4 gpm at 1000 psi 2000 lb 1000 lb 5/16 in 90 ft 12 fpm 72 lb

Actual drum capacities may be 25 - 30% less, due to non-uniform winding. Tension in the wire rope will also affect drum capacity. Line speed is based on rated load, actual speed will vary with load weight and power supply.

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Electric Motor Controls

These single speed reversing motor starters are designed for use with Tern electric power winches. UL and CSA recognized components are housed in a NEMA 4 rated enclosure for watertight protection. Controls feature overload protection and a 115 volt, 2 amp fused control circuit. Pendant control switches are included on up to 50 feet of cord.

Voltage

Phase

Horsepower Rating of Motor (X denotes standard NEMA 4 controls available)

Up to 1/2

2

3

5

7-1/2

10

15

20

25
115 volt single X - - - - - - -  
230 volt single X X X X - - - -  
208 volt three X X X X X X X X  
230 volt three X X X X X X X X X
460 volt three X X X X X X X X X

X in table denotes standard NEMA 4 controls available. Additional controls available as special order items.

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Worm / Spur Gear Electric Winches - Series 4WS

Series 4WS winches combine worm and spur gearing for maximum power in a flexible and economical design. Worm gears operate in an enclosed oil bath. Winches are powered by 208/230/460 volt three phase, TEFC, class B insulated motors. Electric brakes are available for load control in lifting applications. Controls are sold separately.

Model

Motor hp

Load Rating 1st Layer

Load Rating Full Drum

Wire Rope Diameter

Full Drum Capacity

1st Layer Line Speed

Approx. Ship Wt.
4WS1M6 1 1300 lb 700 lb 1/4 in 140 ft 18 fpm 120 lb
4WS3M10 2 3000 lb 1400 lb 3/8 in 360 ft 14 fpm 260 lb
4WS6M12 5 6000 lb 2900 lb 9/16 in 310 ft 20 fpm 530 lb
4WS13M20 10 13000 lb 5700 lb 3/4 in 960 ft 19 fpm 1620 lb
4WS20M26 15 20500 lb 11100 lb 1 - 1/8 in 700 ft 16 fpm 1900 lb
4WS30M30 25 30400 lb 15600 lb 1 - 1/4 in 1100 ft 18 fpm 5900 lb

Actual drum capacities may be 25 - 30% less, due to non-uniform winding. Tension in the wire rope will also affect drum capacity.

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Helical/Worm Gear Electric Winches - Series 4HW
4HW Series winches incorporate reliable worm gearing in a rugged design suitable for severe duty application. Helical/worm gears operate in an enclosed oil bath. Winches are driven by 230/460 volt three phase, TEFC, class B insulated motors. Electric brakes are available for load control in lifting applications. Controls are sold separately.

Model

Motor hp

Load Rating 1st Layer

Load Rating Full Drum

Wire Rope Diameter

Full Drum Capacity

1st Layer Line Speed

 Approx. Ship Wt.
4HW1M 2 1700 lb 950 lb 5/16 in 450 ft 24 fpm 300 lb
4HW2M 3 3000 lb 1650 lb 3/8 in 530 ft 21 fpm 550 lb
4HW3M 5 4400 lb 2500 lb 1/2 in 750 ft 27 fpm 750 lb
4HW5M 7.5 7100 lb 4100 lb 5/8 in 730 ft 24 fpm 1100 lb
4HW7M 10 10300 lb 5800 lb 3/4 in 1100 ft 25 fpm 1900 lb
4HW9M 15 13100 lb 7100 lb 7/8 in 1630 ft 30 fpm 2500 lb

Actual drum capacities may be 25 - 30% less, due to non-uniform winding. Tension in the wire rope will also affect drum capacity.

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Helical/Chain Drive Electric Winches - Series 4HC

The 4HC Series combine helical/parallel gearing with a chain drive for heavy duty application involving large loads and long distances. Winches are driven by 230/460 volt three phase, TEFC, class B insulated motors. Electric brakes are available for load control in lifting applications. Controls are sold separately.

Model

Motor hp

Load Rating 1st Layer

Load Rating Full Drum

Wire Rope Diameter

Full Drum Capacity

1st Layer Line Speed

Approx. Ship Wt.
4HC6M 5 8000 lb 4700 lb 9/16 in 770 ft 20 fpm 980 lb
4HC10M 10 13000 lb 7200 lb 3/4 in 850 ft 24 fpm 1550 lb
4HC14M 15 18100 lb 9700 lb 1 in 920 ft 26 fpm 2800 lb
4HC20M 15 26600 lb 15300 lb 1 - 1/8 in 810 ft 18 fpm 3800 lb
4HC30M 20 40700 lb 23300 lb 1 - 1/4 in 820 ft 16 fpm 5500 lb

Actual drum capacities may be 25 - 30% less, due to non-uniform winding. Tension in the wire rope will also affect drum capacity.

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WARNING! THE WINCHES ON THIS PAGE ARE:

DO NOT EXCEED WORK LOAD LIMIT OR 20% OF THE PRODUCT'S BREAK STRENGTH.