4WP2D High Speed Worm Gear — Model 4WP2D8 Atlas High-Speed Worm Gear Portable Power Winch.
Up to 1,500 lb Capacity
Need some extra speed? The 4WP2D8 is a direct-drive unit to deliver that extra boost with a slightly lower load rating..
Quick Facts
Series Models
| Series | Imperial | ||||
| Load Rating | Clutch | Line Speed | Drum Capacity | Drum (Wide or Narrow) | |
| 4WP2 | 2,000 lbs lst layer | No | 8-13 fpm | 52-77 ft | Narrow |
| 4WP2D8 | 1,500 lbs lst layer | No | 40-97 fpm | 190-280 ft | Wide |
| 4WP2DC* | 1,500 lbs lst layer | Yes | 40-97 fpm | 130-190 ft | Narrow |
| 4WP2T8 | 2,000 lbs lst layer | No | 8-19 fpm | 190-280 ft | Wide |
| 4WP2TC* | 2,000 lbs lst layer | Yes | 8-19 fpm | 130-190 ft | Narrow |
| Series | Metric | ||||
| Load Rating | Clutch | Line Speed | Drum Capacity | Drum (Wide or Narrow) | |
| 4WP2 | 907 kg lst layer | No | 2-3 mpm | 15-23 m | Narrow |
| 4WP2D8 | 680 kg lst layer | No | 12-29 mpm | 57-85 m | Wide |
| 4WP2DC* | 680 kg lst layer | Yes | 12-29 mpm | 39-57 m | Narrow |
| 4WP2T8 | 907 kg lst layer | No | 2-5 mpm | 57-85 m | Wide |
| 4WP2TC* | 907 kg lst layer | Yes | 2-5 mpm | 39-57 m | Narrow |
Series 4WP2 and 4WP2T Performance Characteristics
| Model Number |
Motor Description | Motor HP | Load Rating | Wire Rope Dia.1 |
Line Speed | Drum Capacity 2 | Approx. Ship Weight |
|||||
| 1st Layer |
Mid Drum |
Full Drum |
1st Layer |
Full Drum |
1st Layer |
Mid Drum |
Full Drum |
|||||
| (lb) | (lb) | (lb) | (in) | (fpm) | (fpm) | (ft) | (ft) | (ft) | (lb) | |||
| 4WP23 | Includes controls | l.3 | 2,000 | 1,500 | 1,200 | 1/4 | 8 | 13 | 11 | 35 | 77 | 85 |
| 4WP2T8-2000-84 | Includes controls | l.3 | 2,000 | 1,200 | 800 | 1/4 | 8 | 19 | 19 | 130 | 280 | 101 |
| ATLAS w inch-8″drum-for pulling or lifting | 5/16 | 8 | 19 | 15 | 85 | 190 | ||||||
| 4WP2TC-2000-84 | Includes controls | l.3 | 2,000 | 1,200 | 800 | 1/4 | 8 | 19 | 12 | 87 | 190 | 106 |
| Clutch model-5.5″drum-for horizontal pulling only | ||||||||||||
1Minimum wire rope d iameter is 1/4 inch.
2Actual drum capacities may be 25-30% less due to no nuniform w inding. Tension in wire rope will also affect drum capacity.
3Model 4WP2: 115 VAC motor includes 8 -foot power cord w ith g rounded plug and NEMA4 push button pendant control on 6-foot cord.
4 Models 4WP2T8 and 4WP2TC: 115 VAC motor includes 16-foot power cord with grounded plug and push button pendant control on 16-foot cord.
5Controls are sold separately for all non-standard electric motors (A,B,D, and E).
See t ab le below.
6 For PN models, ratings are for 80 cfm at 100 psi.
Please contact Thern o r nearest Thern Distributor for f irm, f ixed p rice and delivery.
Series 4WP2 and 4WP2T Performance Characteristics
| Model Number |
Load Rating | Motor | Load Rating | Wire Rope Dia.1 |
Line Speed | Drum Capacity 2 | Approx. Ship Weight3 |
|||||||||||||||||||
| Load Ratin |
Line Speed |
Motor Codes |
1st Layer |
Mid Drum |
Full Drum |
1st Layer |
Full Drum |
1st Layer |
Mid Drum |
Full Drum |
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| (lb) | (kg) | (fpm) | (mpm) | (lb) | (hp) | (lb) | (kg) | (lb) | (kg) | (lb) | (kg) | (in) | (mm) | (fpm) | (mpm) | (fpm) | (mpm) | (ft) | (m) | (ft)) | (m | (ft) | (m) | (lb) | (kg) | |
| High-Speed Atlas winches for lifting or pulling | ||||||||||||||||||||||||||
| 4WP2D8 | 800 | 362 | 26 | 7.9 | A,B,D,E | l | 800 | 362 | 460 | 208 | 330 | 149 | 1/4 | 6/4 | 26 | 7 | 65 | 19 | 19 | 5 | 130 | 39 | 280 | 85 | 100 | 46 |
| 4WP2D8 | 800 | 362 | 40 | 12.l | D,E | l.5 | 800 | 362 | 460 | 208 | 330 | 149 | 1/4 | 6/4 | 40 | 12 | 97 | 29 | 19 | 5 | 130 | 39 | 280 | 85 | 100 | 46 |
| 4WP2D8 | l,500 | 680 | 26 | 7.9 | D,E | 2 | 1,500 | 680 | 900 | 408 | 600 | 272 | 1/4 | 6/4 | 26 | 7 | 65 | 19 | 19 | 5 | 130 | 39 | 280 | 85 | 100 | 46 |
| 4WP2D8 | l,500 | 680 | 40 | 12.l | A,B,D,E | 3 | 1,500 | 680 | 900 | 408 | 600 | 272 | 1/4 | 6/4 | 40 | 12 | 97 | 29 | 19 | 5 | 130 | 39 | 280 | 85 | 100 | 46 |
| Hig h-Speed Clutch Model for horizontal pullling only | ||||||||||||||||||||||||||
| 4WP2DC | 800 | 362 | 26 | 7.9 | A,B,D,E | l | 800 | 362 | 460 | 208 | 330 | 149 | 1/4 | 6/4 | 26 | 7 | 65 | 19 | 12 | 3 | 87 | 26 | 190 | 57 | 100 | 46 |
| 4WP2DC | 800 | 362 | 40 | 12.l | D,E | l.5 | 800 | 362 | 460 | 208 | 330 | 149 | 1/4 | 6/4 | 40 | 12 | 97 | 29 | 12 | 3 | 87 | 26 | 190 | 57 | 100 | 46 |
| 4WP2DC | 1,500 | 680 | 26 | 7.9 | D,E | 2 | 1,500 | 680 | 900 | 408 | 600 | 272 | 1/4 | 6/4 | 26 | 7 | 65 | 19 | 12 | 3 | 87 | 26 | 190 | 57 | 100 | 46 |
| 4WP2DC | 1,500 | 680 | 40 | 12.l | A,B,D,E | 3 | 1,500 | 680 | 900 | 408 | 600 | 272 | 1/4 | 6/4 | 40 | 12 | 97 | 29 | 12 | 3 | 87 | 26 | 190 | 57 | 100 | 46 |
When ordering, please indicate model number and extensions. Examples: 4WP2D8-800-26-A (without clutch); 4WP2DC-800-40-A (with clutch).
Please contact Thern or nearest Thern Distributor for firm, fixed price and delivery.
1Minimum wire rope diameter is 1/4 inch.
2Actual drum capacities 25-30% less due to nonuniform winding. Wire rope tension will also affect drum capacity.
3Weight may vary with motor.
Motor Options
Standard motor is 115/1/60 VAC TENV. For other configurations, add motor code to model number when ordering. EX: 4WP2T8-2000-8-PN (pneumatic winch)
| A5 | 115 volt, l phase, 60 Hz-no controls or power cord-TENV |
| B5 | 230 volt, l phase, 60 Hz-no controls or power cord-TEFC |
| D5 | 230 volt, 3 phase, 60 Hz-no controls or power cord-TEFC |
| E5 | 460 volt, 3 phase, 60 Hz-no controls or power cord-TEFC |
| F | All other voltages or hertz |
| PN6 | 8-vane air motor w ith loca l lever control or remote pendant. Standard is local lever control mounted. |
| DC | 12 volt DC with 10-foot pendant control |
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.
Direct Drive Design (4WP2D models only)
Winch delivers high speed operation in both directions, even under full load.
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.
WARNING: Prop 65: Products supplied by CERTEX USA may expose you to chemicals including Nickel, which is known to the State of California to cause cancer. For more information, visit to www.P65Warnings.ca.gov.
WLL range 1 – 2 persons Non-removable special bolt
WLL range 1 – 2 persons Non-removable special bolt
WLL range 1 – 2 persons Ring body and bolt made from stainless steel Non-removable special bolt
Large WLL range 1.5 t – 16 t Functionally optimized shape of the suspension ring for better support at side loading and protection of the clamping spring WLL possible up to 90° in load ring plane
