Main technical performance parameter

1. Max intermittent pulling force 180kN
2. Max continuous pulling force 150 kN
3. Speed at max pull 2.5 km/h
4. Max speed 5 km/h
5. Pull at max speed 75 kN

Structure parameter

1. Bull-wheel diameter 750mm
2. Groove number 10
3. Max diameter of applicable pulling rope 30mm
4. Weight 7800kg
5. Overall dimension (length×width×height) 4800×2350×2550 mm

Engine

1. Type Cummins 6L8.9AA-C325
2. Cylinder diameter × stroke 114×144.5 mm
3. Total air output 8.9 L
4. Rated speed 2200 r/min
5. Rated power (one hour power) 239 kw
6. Max torque 1230Nm
7. Rotary speed when maximum torque: 1400 r/min
8. Fuel consumption rate (bench test) 225g/kw.h

Drive system

Closed type circuit hydraulic drive system adjusts speed through hydraulic plunger pump with bi-directional variable displacement, reduces speed through planet gear and drives pulling wheels to rotate in positive and negative directions through the first level gear terminal drive.

Cooling mode forced cooling

Main pump

1. Model sloping cam plate bi-directional plunger pump (German Rexroth)
2. Type A4VG250HDDT1/32R

Hydraulic motor

1. Model inclined-axis bi-directional constant displacement tapered plunger motor (German Rexroth)
2. Type A2FE160/61W-VZL106

Speed reducer

1. Model two-grade planet gear reduction (German Rexroth )
2. Type GFB60T2B24-06
3. Reduction ratio 34
4. Brake response pressure 1.8Mpa

Auxiliary oilway hydraulic system

Open type constant displacement throttle speed governing hydraulic system is supplied oil by gear pump and controls oil liquor’s cooling and hoisting tail bracket’s lifting of the whole hydraulic system through hand operated direction valve and ball valve.

1. System working pressure 12Mpa
2. Duplex gear pump 1PF2G2-4X/016＋014RR20MRL
3. Fan motor GM5-12-1FE13-S-20
4. Hoisting motor J2K-305
5. Sleeve extension oil cylinder 3TG110×250
6. Radiator B5024

Electric system

1. System voltage 24V
2. Storage battery 6－QA-120(2 pcs)
3. Engine starting 24V electric starting