SERIES 477
DURA-HOIST
HELICAL/
WORM GEAR
Up to 2,000 lb Capacity
Anchor your operation with the reliability of Dura-Hoist. With solid construction, internal lubrication and pendant control, the only thing you won’t need is worry.
QUICK FACTS
- Machine cut gears
- Enclosed oil bath
- Internal mechanical brake
- Cast aluminum
- Ball bearings
- Large diameter drums
- Mounting options
- 2-Year Limited Warranty
SERIES MODELS
- 4771
NEED A QUOTE?
If you’re not sure what product you need and would like a quote, please fill out a request form.
Model 4771 Dura Hoist Portable Power Winch
|
Load Rating |
Line Speed |
Drum Capacity 1 |
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|
Model No. |
Motor Description |
Motor HP |
1st Layer |
Mid Drum |
Full Drum |
Wire Rope Dia. |
1st Layer |
Full Drum |
1st Layer |
Mid Drum |
Full Drum |
Approx. Ship Weight |
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|
(lb) |
(kg) |
(lb) |
(kg) |
(lb) |
(kg) |
(in) |
(mm) |
(fpm) |
(mpm) |
(fpm) |
(mpm) |
(ft) |
(m) |
(ft) |
(m) |
(ft) |
(m) |
(lb) |
(kg) |
|||
|
4771 2 |
115/1/60 VAC – 6 ft pendant |
1.2 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
13 |
3.9 |
40 |
12.1 |
90 |
27.4 |
88 |
26.8 |
|
4771AC-1PH |
115/1/60 VAC – less controls |
1.2 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
13 |
3.9 |
40 |
12.1 |
90 |
27.4 |
87 |
39.4 |
|
4771AC-1PH2 3 |
115/230/1/60 VAC – less controls |
1.5 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
13 |
3.9 |
40 |
12.1 |
90 |
27.4 |
115 |
42.1 |
|
4771AC-3PH 3 |
230/460/3/60 VAC – less controls |
1.5 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
13 |
3.9 |
40 |
12.1 |
90 |
27.4 |
111 |
50.3 |
|
4771DC 4 |
12 VDC – 10 ft pendant |
1.0 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
13 |
3.9 |
40 |
12.1 |
90 |
27.4 |
105 |
47.6 |
|
4771PN 4,5 |
pneumatic – less controls |
1.2 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
13 |
3.9 |
40 |
12.1 |
90 |
27.4 |
70 |
31.7 |
|
4771HY 4,5 |
hydraulic – less controls |
2.3 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
13 |
3.9 |
40 |
12.1 |
90 |
27.4 |
72 |
32.6 |
|
4777 2 |
115/1/60 VAC – 6 ft pendant |
1.2 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
7 |
2.1 |
27 |
8.2 |
60 |
18.2 |
93 |
42.1 |
|
4777DC 4,6 |
12 VDC – 10 ft pendant |
1.0 |
2000 |
907.1 |
1500 |
680.3 |
1200 |
544.3 |
5/16 |
7.9 |
13 |
3.9 |
22 |
6.7 |
7 |
2.1 |
27 |
8.2 |
60 |
18.2 |
105 |
47.6 |
|
Please contact factory or nearest Thern distributor for firm fixed price and delivery. 1 Actual drum capacities may be 25-30% less due to non-uniform winding. Wire rope tension will also affect drum capacity. 2 Motor includes an 8-foot power cord with grounded plug and a push button pendant control on 6-foot cord. 3 For models 4771AC-1PH2 and 4771AC-3PH, please specify voltage when ordering. 4 For pneumatic, hydraulic, and DC models, line speed is based on rated load, actual line speed varies with load weight and power supply. 5 For model 4771PN, ratings are for 80 cfm at 100 psi. For model 4771HY, ratings are for 4 gpm at 1000 psi. |
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477 Series – Winch Dimensions |
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|
Model |
A |
B |
C |
H |
K |
L |
P |
Q |
S (hold dia.) |
|||||||||
|
(in) |
(mm) |
(in) |
(mm) |
(in) |
(mm) |
(in) |
(mm) |
(in) |
(mm) |
(in) |
(mm) |
(in) |
(mm) |
(in) |
(mm) |
(in) |
(mm) |
|
|
4771 |
14.38 |
365.2 |
8.86 |
225.0 |
3.55 |
90.1 |
17.45 |
443.2 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
4771AC-1PH |
14.38 |
365.2 |
8.86 |
225.0 |
3.55 |
90.1 |
22.00 |
558.8 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
4771AC-1PH2 |
14.38 |
365.2 |
8.86 |
225.0 |
3.55 |
90.1 |
21.00 |
533.4 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
4771AC-3PH |
14.38 |
365.2 |
8.86 |
225.0 |
3.55 |
90.1 |
19.00 |
482.6 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
4771DC |
14.38 |
365.2 |
8.86 |
225.0 |
3.55 |
90.1 |
18.69 |
474.7 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
4771PN |
14.38 |
365.2 |
8.86 |
225.0 |
3.55 |
90.1 |
14.94 |
379.4 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
4771HY |
14.38 |
365.2 |
8.86 |
225.0 |
3.55 |
90.1 |
11.84 |
300.7 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
4777 |
14.38 |
365.2 |
8.86 |
225.0 |
3.49 |
88.6 |
17.45 |
443.2 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
4777DC |
14.38 |
365.2 |
8.86 |
225.0 |
3.49 |
88.6 |
18.69 |
474.7 |
6.75 |
171.4 |
6.31 |
160.2 |
5.70 |
144.7 |
2.16 |
54.8 |
0.34 |
8.6 |
|
Dimensions are for reference only and subject to change without notice. |
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IMPORTANT: It is the owner’s or operator’s responsibility to determine the suitability of the equipment to its intended use. Study all applicable codes, manuals and regulations. Be sure to read the Owner’s Manual supplied with the equipment before operating it.
477 Series — Drum Dimensions |
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|
Model |
Drum Dia. |
Flange Dia. |
Drum Width |
Flange Angle Distance 1 |
||||
|
(in) |
(mm) |
(in) |
(mm) |
(in) |
(mm) |
(ft) |
(m) |
|
|
4771 |
3.00 |
76.2 |
6.00 |
152.4 |
6.00 |
152.4 |
10 |
3.0 |
|
4771AC-1PH |
3.00 |
76.2 |
6.00 |
152.4 |
6.00 |
152.4 |
10 |
3.0 |
|
4771AC-1PH2 |
3.00 |
76.2 |
6.00 |
152.4 |
6.00 |
152.4 |
10 |
3.0 |
|
4771AC-3PH |
3.00 |
76.2 |
6.00 |
152.4 |
6.00 |
152.4 |
10 |
3.0 |
|
4771DC |
3.00 |
76.2 |
6.00 |
152.4 |
6.00 |
152.4 |
10 |
3.0 |
|
4771PN |
3.00 |
76.2 |
6.00 |
152.4 |
6.00 |
152.4 |
10 |
3.0 |
|
4771HY |
3.00 |
76.2 |
6.00 |
152.4 |
6.00 |
152.4 |
10 |
3.0 |
|
4777 |
3.00 |
76.2 |
6.00 |
152.4 |
4.00 |
101.6 |
7 |
2.1 |
|
4777DC |
3.00 |
76.2 |
6.00 |
152.4 |
4.00 |
101.6 |
7 |
2.1 |
|
1 Recommended minimum distance between drum and lead sheave for smooth drum. Dimensions are for reference only and subject to change without notice. |
||||||||
IMPORTANT: It is the owner’s or operator’s responsibility to determine the suitability of the equipment to its intended use. Study all applicable codes, manuals and regulations. Be sure to read the Owner’s Manual supplied with the equipment before operating it.
477 Series – Control Options and Accessories |
|||
|
Model |
Description |
Approx. Ship Weight |
|
|
(lb) |
(kg) |
||
|
10L2A1 1 |
NEMA 1 control switch — mounted and wired |
3 |
1.4 |
|
10L2A41 1 |
NEMA 4 watertight control switch — mounted and wired |
7 |
3.2 |
|
477PN-CNTRL |
Pneumatic control valve (not mounted or plumbed, no hoses) |
6 |
2.7 |
|
477PN-HS6 |
6-ft hoses for pneumatic controls (not plumbed) |
4 |
1.8 |
|
477HY-CNTRL |
Hydraulic control valve (not mounted or plumbed, no hoses) |
5 |
2.3 |
|
477HY-HS6 |
6-ft hoses for pneumatic controls (not plumbed) |
4 |
1.8 |
|
1 Controls for 115V, single phase, 60 cycle include an 8-ft power cord with grounded plug. Please contact factory or nearest Thern Distributor for firm fixed price and delivery. |
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NOTE: Custom controls are available including wireless remote control, variable speed control, electronic overload, and enclosures for special environments.
