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SPECIFICATIONS
Performance specifications are based on standard hydraulic motor, gear ratio and cable drum with 1.25 inch
diameter wire rope. For other cable drums and reductions refer to APPENDIX A. For other 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 14.00 in 356 mm
Flange diameter 23.75 in 603 mm
Barrel length 14.00 in 356 mm
CABLE STORAGE CAPACITY:
(Size of wire rope) 9/16 in 854 ft 260 m
5/8 in 691 ft 211 m
3/4 in 519 ft 158 m
7/8 in 375 ft 114 m
1 in 276 ft 84 m
1 1/8 in 195 ft 60 m
1 1/4 in 177 ft 54 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: 381,250 lb-in 43,075 Nm
DRUM RPM AT MAXIMUM VOLUME: Hoisting 17.4 rpm
HOISTING LINE PULL AT MAXIMUM PRESSURE:
Bare drum 50,000 lb 222.4 kN
Full drum 33,889 lb 150.7 kN
PERMISSIBLE CONTROLLED FREE FALL LOAD:
Bare drum 15,000 lb 66.7 kN
Full drum 10,520 lb 46.8 kN
HOISTING LINE SPEED AT MAXIMUM VOLUME:
Bare drum 69 fpm 21 m/min
Full drum 102 fpm 31 m/min
PERMISSIBLE SYSTEM BACK PRESSURE
AT MOTOR RETURN PORT:
65 psi 4.5 bar
PERMISSIBLE PRESSURE
AT CIRCULATION SUPPLY PORT:
Brake housing 30 psi 2 bar
Free fall housing 10 psi .7 bar
LUBRICATING OIL: Refer to RECOMMENDATIONS for instructions.
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