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4WP2

Thern Power Winches

Atlas Worm Gear Portable Power Winch

Model 4WP2 Power Winches from Thern

  Models

Model Motor Description Motor Load Rating Wire Rope Line Speed Drum Capacity2 Approx Ship Weight
HP 1st Layer Mid Drum Full Drum Diameter1 1st Layer Full Drum 1st Layer Mid Drum Full Drum
lb lb lb in fpm fpm ft ft ft lb
4WP23 includes controls 1.3 2000 1500 1200 1/4 8 13 11 35 77 85
4WP2T8-2000-84 includes controls 1.3 2000 1200 800 1/4 8 19 19 130 280 101
4WP2TC-2000-8 includes controls clutch model – 5.5″ drum for horizontal pulling only 1.3 2000 1200 800 1/4 8 19 12 87 190 106
1 Minimum wire rope diameter is 1/4 inch.
2 Actual drum capacities may be 25-30% less due to non-uniform winding. Wire rope tension will also affect drum capacity.
3 Model 4WP2, 115 VAC motor includes an 8-foot power cord with grounded plug, and NEMA 4 push button pendant on 6-foot cord.
4 For 4WP2T8 and 4WP2TC, 115 VAC motor includes a 16-foot power cord with grounded plug, and push button pendant on 16-foot cord.

Model Model Extensions Description Approx Ship Weight
Load Rating Line Speed Motor Code
lb
High Speed Atlas Winches for Lifting and Pulling
4WP2D8-800-26-A/B 800 26 A, B 1 hp - 115/230 VAC - 1 PH – with brake 100
4WP2D8-800-26-D/E 800 26 D, E 1 hp – 230/460 VAC - 3 PH - with brake 100
4WP2D8-800-40-D/E 800 40 D, E 1.5 hp – 230/460 VAC - 3 PH - with brake 100
4WP2D8-1500-26-D/E 1500 26 D, E 2 hp – 230/460 VAC - 3 PH - with brake 100
4WP2D8-1500-40-B 1500 40 B 3 hp – 230 VAC - 1 PH - with brake 100
4WP2D8-1500-40-D/E 1500 40 D, E 3 hp – 230460 VAC - 3 PH - with brake 100
High Speed Clutch Models for Horizontal Pulling Only
4WP2DC-800-26-A/B 800 26 A, B 1 hp – 115/230 VAC - 1 PH with brake, clutch 100
4WP2DC-800-26-D/E 800 26 D, E 1 hp – 230/460 VAC - 3 PH – with brake, clutch 100
4WP2DC-800-40-D/E 800 40 D, E 1.5 hp – 230/460 VAC - 3 PH – with brake, clutch 100
4WP2DC-1500-26-D/E 1500 26 D, E 2 hp – 230/460 VAC - 3 PH – with brake, clutch 100
4WP2DC-1500-40-B 1500 40 B 3 hp – 230 VAC – 1 PH - with brake, clutch 100
4WP2DC-1500-40-D/E 1500 40 D, E 3 hp – 230/460 VAC - 3 PH – with brake, clutch 100
TPL-4WP2T8   two part line kit – not available on 4WP2 series 4

  Features

Thern Atlas winches give you lifting power when and where you need it. Convenient lifting handles and pendant control make positioning and operation super convenient. With Capacity up to 2000 lb.

  • 115/1/60 Electric Motor: Standard 115-volt single-phase motor includes power cord with grounded plug and a momentary contact-type push button pendant control on a control cord.
  • Modular Design: Easy product customization and quick lead times.
  • Cast Aluminum Construction: Rugged work site durability in a lightweight package.
  • Machine Cut Worm Gears: Bronze gearing provides accurate, high efficiency operation and long lasting service.
  • Enclosed Oil Bath: Gears operate with continuous lubrication to minimize wear. Oil seals keep oil in and dirt out.
  • Automatic Brake: Internal mechanical brake provides positive load control for lifting and lowering operations.
  • Bronze Ball Bearings: Bearings are self-aligning and provide smooth and efficient operation.
  • Large Diameter Drums: Minimize wear to extend wire rope life.
  • Pressure Plate: Applies pressure to drum and wire rope to help maintain uniform winding. Not available on clutch models.
  • Dual Function Cable Anchor: Drum is equipped with both a standard set screw slot and keyhole slot on drum for quick disconnect with 3/8 inch swaged ball ends.
  • Lifting Handles: Handles provide for convenient work site lifting and positioning.
  • Corrosion Resistant: Durable paint finish combined with trivalent zinc plating protects against corrosion in harsh environments.
  • Two-Year Warranty: Industry-leading two-year limited warranty on all our products.
  • Options
  • Clutch: Manual clutch allows operator to disengage the drum for quick wire rope payout if desired. Not available on models equipped with pressure plate.
  • Mounting Options: Floor, wall, or ceiling mount configurations available.
  • Emergency Hand Crank: Allows for manual operation in case of power failure. Does not include handle.
  • Rotary Limit Switches: Provides secondary shut-off to limit load travel in one or two directions. Not available on clutch models.
  • Internal Mechanical Brake: Available for motor brake models to provide dual braking.
  • Special Motors and Controls: Available in a wide range of standard and custom configurations for single or variable speed, including severe duty and explosion proof. Motors also available in hydraulic and pneumatic.
  • Special Finishes: Available for operation in harsh or hazardous environments.
  • Torque Limiters: Available as part of the motor controls on electric models.
Model Description Weight
4WP2 2000 lb – 1.3 hp – 115 VAC – ATLAS – with brake for lifting 85 lbs
4WP2T8-2000-8 2000 lb – 1.3 hp – 115 VAC – ATLAS – 8” drum – with brake for lifting 101 lbs
4WP2TC-2000-8 2000 lb – 1.3 hp – 115 VAC – ATLAS – 5.5” drum – clutch model – horizontal pulling only 106 lbs
A* 115 volt 1 phase motor – no controls or power cord – TENV  
B* 230 volt 1 phase motor – no controls or power cord – TEFC  
D* 230 volt 3 phase motor – no controls or power cord – TEFC  
E* 460 volt 3 phase motor – no controls or power cord – TEFC  
F* all other voltages or hertz  
PN 8-vane air motor with controls (mounted)  
DC 12 volt DC with 10-foot pendant control  
10L2A11 NEMA 1 control switch - mounted and wired 7 lbs
10L2A41 NEMA 4 watertight control switch - mounted and wired 4 lbs
TPL-4WP2T8 two part line kit – not available on 4WP2 series 4 lbs

1 Controls for 115 volt, single phase, 60 cycle include 8-foot power cord with grounded plug.

  Dimensions

Dimensions for Series 4WP2 Power Winches from Thern

Dimensions for Series 4WP2 Power Winches from Thern

Dimensions for Series 4WP2 Power Winches from Thern

Model A1 B1 C D E F H1 J K M N P R S (Hole Diameter)
4WP2 15.63 17.28 1.72 - - - 12.84 1.72 3.75 13.50 - 4.00 - 0.41
4WP2T8-2000-8 16.62 17.80 2.75 4.88 1.44 6.43 14.25 2.25 5.81 10.25 1.25 7.00 11.38 0.41
4WP2TC-2000-8 17.34 17.80 4.02 4.88 2.16 6.43 14.25 2.25 5.81 10.25 1.25 7.00 11.38 0.41
4WP2D8 17.50 21.00 2.75 5.00 1.50 9.50 12.75 2.25 5.81 10.25 1.25 7.00 11.50 .41
4WP2DC 19.00 21.00 4.00 4.88 3.50 9.50 12.75 2.25 5.81 10.25 1.25 7.00 11.50 .41

Drum Dimensions

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Model Drum
Diameter
Flange
Diameter
Drum
Width
Fleet Angle
Distance2
in mm in mm in mm ft m
4WP2 2.50 63.5 5.00 127 5.00 127 8 2.4
4WP2T8-2000-8 2.50 63.5 7.00 177.8 8.00 203.2 13 4.0
4WP2TC-2000-8 2.50 63.5 7.00 177.8 5.50 139.7 9 2.7
4WPD8 2.50 63.5 7.00 177.8 8.00 203.2 13.00 4.0
4WPDC 2.50 63.5 7.00 177.8 5.50 139.7 9.00 2.75

2 Recommended minimum distance between drum and lead sheave for smooth drum.


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