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Thern Model M452  Spur Gear 4,000 lb.

Thern Model M452 Spur Gear 4,000 lb.
Double Reduction Pull Only Hand Winch

Thern Model M452 Spur Gear 4,000 lb.
Double Reduction Pull Only Hand Winch

Product Specifications

Drum
Diameter(in)
Flange
Diameter(in)
Drum
Width(in)
A
(in)
B
(in)
C
(in)
D
(in)
E
(in)
F
(in)
G
(in)
H
(in)
J
(in)
K
(in)
L
(in)
M
(in)
S-hole diameter
(in)
T
(in)
4.00 8.50 6.38 15.25 22.00 10.69 5.81 5.81 14.81 18.62 24.44 6.75 9.50 11.25 12.50 0.56 0.25

ThernM452Gear

Product Configurations

Capacity
(lbs)
Load Rating(lbs) Wire Rope
Diameter
(in)
Drum Capacity(ft) Single Gear
Ratio
Double Gear
Ratio
Double Gear
Force to Lift
1000 lbs (lbs)
Base
Weight
(lbs)
1 st
Layer
Mid
Drum
Full
Drum
1 st
Layer
Mid
Drum
Full
Drum
4,000 4,000 3,300 2,500 1/4
5/16
23
18
130
89
300
200
4.42:1 19.54:1 10 83

Product Description

  • Machine Cut Spur Gears for accurate and long lasting service
  • Available Automatic Brake provide positive load control for lifting and lowering operations.
  • Corrosion Resistant durable paint finish combined with trivalent zinc plating protects against corrosion
  • Bronze and Radial Ball Bearings provide smooth and efficient operation
  • Large Diameter Drums minimize wear to extend wire rope life
  • Spring Loaded Ratchets for positive engagement with gear
  • Gear Covers protect gears and help prevent injuries
  • Handles Adjust in length to change force required to move load
  • Two-year Limited Warranty

Downloads and Other Documents

Galvanized Wire Rope Option
Available - 5/16 inch, Galvanized aircraft cable with swivel hook and swaged ball fitting.
Brake Option
Available - Automatic brake provide positive load control for lifting and lowering operations.
Stainless Steel Wire Rope Option
Available - 5/16 inch, 304 Stainless steel wire rope with SS swivel hook and swaged ball fitting.
Summary
Base Price: $1,225.00 Customized Price: $1,225.00
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