Products

Bison 50

22.6 Tonnes Hydraulic Recovery Winch

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.

SPECIFICATIONS

Part number: PN 685010 (Std. drum)
Rated line pull: 22,680 kg / 50,000 lb (SAE J706 rating)
Line speed (at 1^st 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 bolt 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 rating

PERFORMANCE DATA

Line Pull and Rope Capacity

Layer of Wire Rope	Pull by Layer, kg / lb	Total Rope on the Drum, m / ft	Line Speed
Layer of Wire Rope	Pull by Layer, kg / lb	Std . drum	at 100 l/min (26.5 g/min ), mpm / fpm
1^st	22,680 / 50,000	10 / 33	5.7 / 19
2^nd	18,570 / 40,940	22 / 72	7.0 / 23
3^rd	15,720 / 34,660	36 / 118	8.3 / 27
4^th	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