1300 669 951
  • The Mechanical MDB (Multi-Disc Brake) and two ways counterbalance valve work together to control and hold the load.
  • Built-in air clutch for rapid wire rope payout.
  • Great for severe duty trailers, roll-back carriers, and commercial recovery.
  • Fast and variable recovery speeds for high performance.
  • Powerful and constant output hydraulic motor allows extreme duty performance
  • Meets SAE J706, CE machinery directive 2006/42/EC and EN 14492-1:2006 Power Driven Winches
  • Roller fairlead, cable tensioner and two ways counterbalance valve come as standard accessories.


Part number: BISON-20-682030
Rated line pull: 9,070kg (20,000 lbs.)
Operation Pressure: 175 bar/2,450 psi
Maximum Oil Flow: 60L/min (15.9 g/min)
Hydraulic Motor: 155.7 cm3/rev (9.5 in3/rev)
Gear Ratio: 2 Stage planetary gear 30:1
Winch Construction: Cast housings with steel drum
Clutch (Freespooling): Output shaft disengaged
Brake: Multi-Disc Brake (MDB) patented and counterbalance valve supplied
Rotation of Winch: Under drum orientation only
Drum Barrell Diameter: 146mm (5.8″)
Drum Flange Diameter: 314mm (12.4″)
Distance Between Flanges: 203mm (8″)
Mounting Bolt Pattern: 190.5 x 304.8mm (7.5″ x 12″); 266.7 x 304.8mm (10.5″ x 12″)
Recommended Wire Rope: 14mm x 43M (9/16″ x 141′)
Winch Weight: 135kg (298lb)
Gross Weight: 165kg (364lb)

LINE PULL & ROPE CAPACITY (based on 14mm wire rope)

Layer of Rope Pull by Layer (kg/lb) Total Rope on the Drum (m/ft) Line Speed at max. flow (mpm/fpm)
1st 9,070/20,000 7/23 7.1/23
2nd 7,719/17,017 15/49 8.3/27
3rd 6,719/14,813 24/79 9.5/31
4th 5,948/13,113 34/112 10.8/35
5th 5,335/11,762 43/141 12/39
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