W. W. Patterson - Hydraulic Winch
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Fully hydraulic for durability and ease of operation, our winches are available from 20 to 75 ton capacities. Galvanized winches for optimal corrosion protection are available!
  • Optional saltwater-corrosion protection package includes stainless steel shafts, nuts and bolts, hot-dipped galvanized, and anti-seize on all threads or fasteners
  • Disc brake is motor mounted, fully enclosed, spring applied and hydraulically released
  • Manual locking dog for emergency use
  • Vary take-up speed simply by varying input flow
  • Heavy-duty roller chain and sprockets
  • Heavy-duty roller bearings, high-strength phosphor bronze bearings
  • Operates from vessel's existing hydraulic system
  • High efficiency planetary gear head
  • Bolted keeper plate allows fast, easy shaft removal
  • Rope and gear guards protect wire rope and enclose the gearing
  • Brake shuttle valves and controls available upon request

Performance Data* approximate
Drum Capacities* approximate
Brake/Dog Holding Capacity (lbs.)
Line Speed 1st Wrap
(lbs.)
Stall Pull 1st Wrap (lbs.)
Hydraulic Supply
1/2"
5/8"
3/4"
7/8"
1"
1 1/8"
1 1/4"
WWP 20H-6-L/R
40,000
21
15,000
16 GPM at 2,000 psi
220"
140"
100"
xx
xxx
xxx
xxx
WWP 30H-10-L/R
60,000
20
19,000
20 GPM at 2,000 psi
xx
120'
85'
65'
xx
xx
xx
WWP 40H-14-L/R
80,000
21
20,000
20 GPM at 2,250 psi
xx
xx
180'
130'
100'
xx
xx
WWP 50H-14-L/R
100,000
22
21,000
20 GPM at 2,250 psi
xx
xx
180'
130'
100'
xx
xx
WWP 65H-14-L/R
130,000
16
27,000
20 GPM at 2,250 psi
xx
xx
xx
230'
180'
150'
xxx
WWP 75H-10-L/R
150,000
12
37,000
20 GPM at 2,250 psi
xx
xx
xx
xx
190'
150'
125"

Dimensions* approximate
Weight* approximate
Drum Diameter (in.)
Drum Width (in.)
C/L
(in.)
M
(in.)
N
(in.)
O
(in.)
P
(in.)
Net
(lbs.)
Shipping
(lbs.)
WWP 20H-6-L/R
8.625
6.875
5.8125
15
5.5
35
32.75
800
850
WWP 30H-10-L/R
10
10
8.8125
19
4.875
35
32.75
1,000
1,050
WWP 40H-14-L/R
10
14.375
9.1875
24.5
4
37

38.5

1,400
1,450
WWP 50H-14-L/R
10
14.375
9.1875
24.5
4
37
40
1,450
1,500
WWP 65H-14-L/R
14
14
10.75
25.75
5.5
40
48
2,125
2,175
WWP 75H-10-L/R
16
10
8
22.25
8.25
45
52
2,375
2,475

*All performance data and specifications set forth in the above table are guidelines. The referenced data and specifications were produced under controlled testing conditions and should be used as estimates only. Due to variability in individual operators, in weather, in towing conditions, and in various other factors, actual results may vary. In addition, for the purpose of installation, please verify all dimensions as the dimensions, specifications, data and other information contained on this site are subject to change at any time without notice.

 

 

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W. W. PATTERSON COMPANY
870 Riversea Road • Pittsburgh, PA 15233 • Ph: 800-322-2018 • Fax: 412.322.2785
Copyright © 2007 W.W. Patterson All Rights Reserved.