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Worm Gear

Thern Hand Winches

For up to 4,000 lbs

Worm Gear Hand Winches fom Thern

  Models

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Model 465 Model 4WM2
Model 465 Hand Winches from Thern
For pulling up to 750 lbs.
Model 4WM2 Hand Winches from Thern
For lifting or pulling up to 2000 lbs. and includes an internal load brake for positive load control.

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Model Number Description Load Rating (lb) Wire Rope Diameter (in) Drum Capacity (ft)1 Gear Ratio Force to Lift 1000 lbs2 Approx. Ship Weight (lb)
1st Layer Mid Drum Full Drum 1st Layer Mid Drum Full Drum
465 750 lb – open gears 750 600 400 1/8 7 58 130 20:1 21 lb 12
(recommended for pulling only) 3/16 4 27 59
462 1000 lb – enclosed gearing 1000 700 500 1/8 7 61 140 15:1 34 lb 15
(recommended for pulling only) 3/16 4 28 61
4622PB 1000 lb – enclosed gearing 1000 700 500 1/8 7 61 140 15:1 26 lb 21
with brake (for lifting) 3/16 4 28 61
472 2000 lb – enclosed gearing 2000 1700 1300 3/16 15 65 140 24:1 24 lb 32
(recommended for pulling only) 1/4 11 35 77
5/16 8 23 52
4WM2 2000 lb – enclosed gearing 2000 1500 1200 1/4 11 35 77 32:1 14 lb 41
with brake (for lifting) Drill Driveable 3/16 (not recommended for this winch)
2W40-L 4000 lb - Enclosed Gearing (for lifting) 4000 2800 2200 5/16 18 91 200 26:1 18 140
3/8 14 65 140
2W40-M 4600 lb - Enclosed Gearing (for lifting) 4600 3300 2500 5/16 18 91 200 31:1 11 150
3/8 14 65 140
2W40-BL 4000 lb - Enclosed Gearing with Brake (for lifting) 4000 2800 2200 5/16 18 91 200   135
3/8 14 65 140
2W40-BM 4600 lb - Enclosed Gearing with Brake (for lifting) 4600 3300 2500 5/16 18 91 200   145
3/8 14 65 140
1 Actual drum capacities may be 25-30% less, due to nonuniform winding. Wire rope tension will also affect drum capacity.
2 Approximate handle force required to lift 1000 lb with an empty drum, and maximum handle length.

Read about Thern's 2-year Limited Warranty

  Features

Lift or pull up to 4,000 lbs. with a worm gear hand winch from Thern. The machine-cut worm gears provide accurate operation and years of trouble-free service. Thern's worm gear hand winches are available in multiple configurations and performance ratings designed to keep things moving safely and efficiently.

  • Machine Cut Worm Gears provide accurate operation and long lasting service.
  • Enclosed Oil Bath provides continuous lubrication of gears to minimize wear, except on Model 465. On Model 4WM2 and 2W40, oil seals keep oil in and dirt out.
  • Hex Drive and handle are included. Model 4WM2 and 2W40* can be power driven with a maximum 300 rpm drill-motor.
  • Automatic Brake Models provide positive load control for lifting. Brake models have a PB or B suffix. Models 4WM2 and 2W40-B feature an internal mechanical brake.
  • Corrosion Resistant durable paint finish protects against corrosion in harsh environments.
  • Bronze Bearings on most models for smooth operation.
  • Large Diameter Drums minimize wire rope wear.
  • Handles Adjust in length to change force required to move the load.
  • Mounting Options include floor, wall, or ceiling. Adapter plate may be required; consult your mdi sales representative.
  • Two-year Limited Warranty

* See Drill Drive Performance Chart under Models tab.

  Dimensions

Wire Rope Installations

Wire Rope Installation for Thern Winches

Model 4WM2

Dimensions for Model 4WM2 Winches from Thern

Model 465

Dimensions for Model 465 Winches from Thern

Model 462 and 472

Dimensions for Model 462 and 472 Winches from Thern

Model 462PB and 462B

Dimensions for Model 4622PB and 482B Winches from Thern

Model 2W40-L, 2W40-M, 2W40-BL and 2W40-BM

Dimensions for Model 2W40-L, 2W40-M, 2W40-BL and 2W40-BM Winches from Thern

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Dimension 465 462 4622PB 472 4WM2 2W40-L 2W40-M 2W40-BL 2W40-BM
Drum Diameter 1.50 1.50 1.50 2.50 2.50 4 4 4 4
Flange Diameter 4.00 4.06 4.06 5.00 5.00 8.5 8.5 8.5 8.5
Drum Width 2.81 2.81 2.81 5.00 5.00 6.5 6.5 6.5 6.5
A 6.50 7.75 7.50 10.12 13.50 17.25 17.25 17.25 17.25
B 10.50 10.25 11.81 12.00 15.56 19.75 17.25 23.5 21
C 5.44 5.63 5.62 7.12 8.56 14.25 14.25 15 15
D 3.40 2.38 2.40 3.06 3.31 5.63 5.63 5.63 5.63
E 1.40 4.38 4.38 5.81 6.04 10.25 10.25 10.25 10.25
F 6.38 5.88 7.60 7.94 11.56 14.5 13.5 18.25 17
G 8.75 9.00 10.59 7.25 10.59 18.5 13.5 18.5 13.5
H 10.59 13.38 15.59 13.38 17.30 29.25 24.50 29.25 24.50
J 2.00 2.00 2.00 3.75 1.75 6 6 6 6
K 5.75 4.44 4.44 6.69 3.75 10.5 10.5 10.5 10.5
L 2.50 2.50 2.50 4.00 4.00 7 7 7 7
M 4.50 3.50 3.50 5.00 13.50 9 9 9 9
S (hole dia.) 0.40 0.40 0.40 0.40 0.41 9/16 9/16 9/16 9/16
T 0.19 0.19 0.19 0.25 0.5 0.5 0.5 0.5

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