Bison 50

COMEUP Bison 50 – 22.6 Tonnes Hydraulic Recovery Winch. Bison and HV hydraulic recovery winches for recovery vehicles, heavy trucks and special-purpose vehicles, built for continuous duty.

  • 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
  • Meets SAE J706 revised AUG2003, CE Machinery Directive 2006/42/EC.

    Remark: EN Version is available upon request.

Technical Specifications

Part numberPN 685010 (Std. drum)
Rated line pull22,680 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 pressure200 bar / 2,900 psi
Max oil flow100 l/min (26.5 g/min)
Hydraulic motor251.8 cm3/rev (15.4 in3/rev)
Gear ratio2-stage planetary gear 44:1
Winch constructionCast housings with steel drum
Clutch (Freespooling)Output shaft disengaged
BrakeMulti-Disc Brake (MDB) patented and counterbalance valve supplied
Rotation of winchWire rope shall be under-wound orientation only
Drum barrel diameter180 mm (7.1")
Drum flange diameter406 mm (16”)
Distance between flanges368 mm (14.5")
Mounting bolt pattern240 x 453 mm (13.4” x 17.8”) ; 340 x 453 mm (13.4” x 17.8")
Wire rope recommended22.4 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 rating

Performance Data

Line Pull and Rope Capacity

Layer of Wire RopePull by Layer,
kg / lb
Total Rope on the Drum, m / ftLine Speed
Std . drumat 100 l/min (26.5 g/min ), mpm / fpm
1st22,680 / 50,00010 / 335.7 / 19
2nd18,570 / 40,94022 / 727.0 / 23
3rd15,720 / 34,66036 / 1188.3 / 27
4th13,630 / 30,05048 / 1579.6 / 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.

Accessories

Standard Accessories

  • Roller fairlead
  • Counterbalance valve
  • Cable tensioner

Packaging

  • Winch weight : 375 kg / 827 lb ,
  • Gross weight : 410 kg / 904 lb
  • Box dimension: 1,170x 630 x 670 mm (46” x 24.8” x 26.4”)

Downloads

DocumentDateFormatDownload
Bison 50 Operation Manual2021-07-31PDF, 0.20 MBDownload