Bison 50

  • Powered by a PTO (power take off unit) driven pump with variable recovery speeds for high working rate
  • 251.8 cm3/rev highly efficient and constant operating torque motor with 22,680 kg / 50,000 lb capacity
  • Hardened 2 stage planetary gear train with 44:1 gear ratio provides faster line speed
  • Built-in air clutch for rapid wire rope payout
  • The Multi-Disc Brake ( MDB ) patented for holding full load
  • Great for severe duty trailers, roll-back carriers, and commercial recovery application
  • Roller fairlead, cable tensioner and two ways counterbalance valve supplied
  • Meet SAE J706 , CE machinery directive 2006/42/EC

Remark:  EN Version available upon request.

Category:

Description

Specification/Part Numbers
  • Part number: PN 685010 (Std. drum)
  • Rated line pull: 22,680 kg / 50,000 lb (SAE J706 rating)
  • Line speed (at 1st layer of rope) : 5.7 mpm at 100 l/min (19 fpm at 26.5 g/min)
  • Operation pressure: 200 bar / 2,900 psi
  • Max oil flow: 100 l/min (26.5 g/min)
  • Hydraulic motor: 251.8 cm3/rev (15.4 in3/rev)
  • Gear ratio: 2-stage planetary gear 44:1
  • 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: Wire rope shall be under-wound orientation only
  • Drum barrel diameter: 180 mm (7.1″)
  • Drum flange diameter: 406 mm (16”)
  • Distance between flanges: 368 mm (14.5″)
  • Mounting bolts pattern:  240 x 453 mm (13.4” x 17.8”) ; 340 x 453 mm (13.4” x 17.8″)
  • Wire rope recommended:
    22.4 mm x 48 m (7/8” x 157’) 1,770 N/mm2 (EIPS) breaking strength of 305 kN (68,442 lbf) required for SAE J706 ratings
  • Winch weight: 375 kg / 827 lb
  • Gross weight: 410 kg / 904 lb
  • Box dimension, (L x D x H) : 1,170 x 630 x 670 mm (46″ x 24.8″ x 26.4″)

Performance Data: 

Line Pull and Rope Capacity Line Speed
Layer of Wire Rope
Pull by layer, kg / lb
Total Rope on the Drum, m / ft
 at 100 l/min (26.5 g/min),  mpm / fpm
1st
22,680 / 50,000
10 / 33
  5.7 / 19
2nd
18,570 / 40,940
22 / 72
  7.0 / 23
3rd
15,720 / 34,660
36 / 118
 8.3 / 27
4th
13,630 / 30,050
48 / 157
 9.6 / 31

* Remark: COMEUP Bison series hydraulic winch also provides low-pressure motor or EN version, please contact your sales representative now for further information.

Warning
* The winch is not intended to be used in any manner for the movement or lifting of personnel.
* The rated line pull shown is based on the first layer of rope on the drum.
* The rope winding on the drum shall remain 5 wraps from the drum.

Warranty
Each new winch is guaranteed against defects in workmanship and material defects for a period of twelve months from date of purchase.
Hydraulic System:

Dimension, mm/in:

Accessory:

Standard Accessories
  • Roller fairlead
  • Counterbalance valve
  • Cable tensioner

Related products