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SPECIFICATIONS
Performance specifications are based on standard hydraulic motor, gear ratio and cable drum with 7/8 inch
diameter wire rope. For other cable drums refer to APPENDIX A. For other reductions or motors, refer to
supplement inside back cover. Performance specifications for winches supplied with optional motors are
provided in attached supplement.
CABLE DRUM DIMENSIONS (STANDARD DRUM):
Barrel diameter 10.00 in 254 mm
Flange diameter 17.00 in 432 mm
Barrel length 11.00 in 279 mm
CABLE STORAGE CAPACITY:
(Size of wire rope) 7/16 in 612 ft 186 m
1/2 in 413 ft 126 m
9/16 in 383 ft 117 m
5/8 in 297 ft 90 m
3/4 in 210 ft 64 m
7/8 in 140 ft 43 m
1 in 91 ft 28 m
MAXIMUM OPERATING PRESSURE: 2500 psi 172 bar
MAXIMUM OPERATING VOLUME: 115 (US) gpm 435 l/min
MINIMUM OPERATING VOLUME: 30 (US) gpm 114 l/min
DRUM TORQUE AT MAXIMUM PRESSURE: 135,937 lb-in 15,359 Nm
DRUM RPM AT MAXIMUM VOLUME: Hoisting 49 rpm
Lowering 229 rpm
HOISTING LINE PULL AT MAXIMUM PRESSURE:
Bare drum 25,000 lb 111.2 kN
Full drum 16,860 lb 75.0 kN
MAXIMUM ALLOWABLE LINE PULL WHEN LOWERING:
Bare drum 5,357 lb 23.8 kN
Full drum 3,778 lb 16.8 kN
HOISTING LINE SPEED AT MAXIMUM VOLUME:
Bare drum 140 fpm 43 m/min
Full drum 207 fpm 63 m/min
LOWERING LINE SPEED AT MAXIMUM VOLUME:
Bare drum 651 fpm 198 m/min
Full drum 965 fpm 294 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
L
LUBRICATING OIL: Refer to RECOMMENDATIONS for viscosity and instructions.
Refer to APPENDIX A for oil volume required.
251 REV.010406
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