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Performance specifications are based on standard hydraulic motor, gear ratio and cable drum with 1/2 inch
diameter wire rope. For other cable drums and gear ratios, refer to APPENDIX A. Performance specifications
for winches supplied with optional motors are provided in attached supplement.
CABLE DRUM DIMENSIONS (STANDARD DRUM):
Barrel diameter
7.00 in
178 mm
Flange diameter
11.50 in
292 mm
Barrel length
8.00 in
203 mm
CABLE STORAGE CAPACITY:
(Size of wire rope)
1/8 in
2115 ft
645 m
3/16 in
959 ft
292 m
1/4 in
532 ft
162 m
5/16 in
359 ft
109 m
3/8 in
227 ft
69 m
7/16 in
166 ft
51 m
1/2 in
152 ft
46 m
MAXIMUM OPERATING PRESSURE:
2000 psi
138 bar
MAXIMUM OPERATING VOLUME:
37 (US) gpm
140 l/min
MINIMUM OPERATING VOLUME:
11 (US) gpm
42 l/min
DRUM TORQUE AT MAXIMUM PRESSURE:
31,875 lb-in
3,601 Nm
DRUM RPM AT MAXIMUM VOLUME:
HOISTING
59 rpm
LOWERING
256 rpm
HOISTING LINE PULL AT MAXIMUM PRESSURE:
Bare drum
8,500 lb
37.8 kN
Full drum
5,795 lb
25.8 kN
MAXIMUM ALLOWABLE LINE PULL WHEN LOWERING:
Bare drum
1,962 lb
8.7 kN
Full drum
1,342 lb
6.0 kN
HOISTING LINE SPEED AT MAXIMUM VOLUME:
Bare drum
116 ft/min
35 m/min
Full drum
170 ft/min
52 m/min
LOWERING LINE SPEED AT MAXIMUM VOLUME:
Bare drum
502 ft/min
153 m/min
Full drum
736 ft/min
224 m/min
PERMISSIBLE SYSTEM BACK PRESSURE AT MOTOR RETURN PORT:
65 psi
4.5 bar
PERMISSIBLE PRESSURE AT CIRCULATION SUPPLY PORT:
30 psi
2 bar
LUBRICATING OIL:
Refer to RECOMMENDATIONS for viscosity and instructions.
Refer to APPENDIX A for oil volume required.
248 REV.011105
SPECIFICATIONS
