Model

ZJ30DBS

ZJ40DBS

ZJ50DBS

ZJ70DBS

ZJ90DBS

Nominal depth
m (ft)

114mm(4 1/2 in.) DP

1600~3000
(5250~9850)

2500~4000
(8200~13200)

3500~5000
(11500~16400)

4500~7000
(14800~23000)

6000~9000
(19700~30000)

127mm(5 in.) DP

1500~2500
(4920~8200)

2000~3200
(6600~10500)

2800~4500
(9200~14800)

4000~6000
(13100~19700)

5000~8000
(16400~26250)

Max. load of drilling string
KN (kips)

1700 (382)

2250 (496)

3150 (695)

4500 (992)

6750(1518)

Max. line number strung

5×6

5×6

6×7

6×7

7×8

Type of auxiliary brake

E.T. N ddy/Eaton

E.T. N dy/Eaton

E.T. N Eddy/Eaton

E.T. N Eddy/Eaton

E.T. N Eddy/Eaton

Opening of RT mm (in)

520.7 (20  1/2)

698.5 (27   1/2)

698.5 (27 1/2)

952.5 (371/2)

952.5 (37  1/2)

1257.3 (49  1/2)

Shifting number of RT

 2 Step less change

2 Step less change

2 Step less change

2 Step less change

2 Step less change

2 Step less change

Power per MP kW (hp)

735 (1000)

956 (1300)

956 (1300)

1180 (1600)

1180 (1600)

1640 (2200)

Number of MP

1

2

2

2, 3

3

Mast effective height m (ft)

41 (134)

43 (142)

45 (147)

45 (147)

46 (152)

Drill floor height m (ft)

6 (19.7),

7.5 (25)

9 (30), 10.5 (35)

9 (30), 10.5 (35)

12 (40)

Drill floor clearance m (ft)

4.7 (15.6),

6.26 (20.5)

7.62 (25), 9.12 (30)

7.62 (25), 9.12 (30)

10(33.33)

Noted-- AC VF drive Drilling Rig