Drawworks

JC40, JC50, JC70 Drawworks with hydraulic disk brake, Eaton brake, eddy current brakes and DC/AC motors & engine.

Drawworks Specifications：

Model

JC40

JC40D

JC50

JC50D

JC70

JC70D

Nominal Drilling Depth (km)

2.5-4.0

2.5-4.0

3.5-5.0

3.5-5.0

4.5-7.0

4.5-7.0

Rated Power (Kw)

735

735

1100

1100

1470

1470

Max. Fast Line Pull (KN)

275

275

340

340

485

485

Wireline Diameter mm(in)

32(1-1/4")

32(1-1/4")

35(1-3/8")

35(1-3/8")

38(1-1/2")

38(1-1/2")

Roller (Diameter ×Length)mm

640×1235

640×1235

685×1245

685×1245

770×1436

770×1436

Overall Dimension (Length ×Width ×Height) mm

6450×2560×2482

6600×5820×2918

7000×2955×2780

6800×4537×2998

7930×3194×2930

7670×4585×3197

Weight (kg)

28240

37500

45210

48000

43000

61000

Disc Brake System

Disc Brake System Specifications：

Model

KG80

KG75

KG70

Service Caliper

Single Side Maximum Brake Force (lbs)

17,984

16,860

15,736

Working Stroke Length (in)

1.18

1.18

1.18

Minimum Brake Pad

Thickness (in)

1/2"

1/2"

1/2"

Dimension (in)

22.8×16.3×16.5

22.4×15.3×15.7

22×15.1×14.6

Weight (lbs)

440

396

386

Parking Caliper

Single Side Maximum

Brake Force (lbs)

17,984

16,860

15,736

Max Clearance Between Pad

and Brake Rim (mm)

1

1

1

Minimum Brake Pad

Thickness (in)

0.5"

0.5"

0.5"

Dimension (in)

24×16.3×16.5

23.6×15.3×15.7

22.4×15.1×15.7

Weight (lbs)

484

440

440

Hydraulic Power Unit

Model

PSSC80

PSSC75

PSSC70

Rated Working Pressure (psi)

1,131

1,131

1,131

Flow Rate (gal/m)

3.96

3.96

3.96

Electrical Motor Power (HP)

2.95

2.95

2.95

Accumulator Capacity (gal)

4 × 1.6

4 × 1.6

4 × 1.6