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The Single-shaft Electric Drawwork Specification:
| Model | JC40 | JC40D | JC40DB | JC50 | JC50D | JC50DB | JC70 | JC70DB | ||||||||||
| Rating Imput Power hp(kW) | 1000(735) | 1500(1100) | 2000(1470) | |||||||||||||||
Max. Fast line Pull lbf. (kN) | 61820(275) | 76435(340) | 109030(485) | |||||||||||||||
Dia. of Drill Line in (mm) | 1 1/4(32) | 1 3/8(35) | 1 1/2(38) | |||||||||||||||
Drum Size (dia.×width) in (mm) | 25.20×44.84 (640×1139) | 25.20×51.25 (640×1302) | 26.97×44.80 (685×1138) | 30.31×53.58 (770×1361) | ||||||||||||||
| Gears for Hoisting Speed | 4+2R | stepless speed changing | 6+2R | stepless speed changing | 6+2R | stepless speed changing | ||||||||||||
Brake Disc(dia.x thickness)in(mm) | 59.06×2.99(1500×76) | 63×2.99(1600×76) | ||||||||||||||||
| Main Brake | hydraulic disc brake | hydraulic disc brake,energy- consumption brake | hydraulic disc brake | hydraulic disc brake, energy- consumption brake | hydraulic disc brake | hydraulic disc brake, energy- consumption brake | ||||||||||||
| Auxiliary Brake | DWS40L | WCBD236 | FDWS50LD | WCBD336 | DS-70 | |||||||||||||
| Outline Size in(mm) | Length | 260(6600) | 295(7500) | 268(6800) | 295(7500) | 320(8120) | 302(7670) | |||||||||||
| Width | 114(2890) | 116(2946) | 117(2980) | 179(4537) | 117(2980) | 125(3175) | 181(4585) | |||||||||||
| Height | 105(2670) | 101(2555) | 118(2998) | 101(2555) | 107(2705) | 126(3197) | ||||||||||||
| Weight lbs.(kg) | 45195 (20500) | 61346 (27826) | 77160 (35000) | 105822 (48000) | 77160 (35000) | 102283 (46395) | 134483 (61000) | |||||||||||
Mechanical drawwork Specifications:
| Model | JC40 | JC50 | JC70 | |
| Nominal drilling depth m | Ф114mm DP | 2500-4000 | 3500-5000 | 4500-7000 |
| Ф127mm DP | 2000-3200 | 2800-4500 | 4000-6000 | |
| Rated power kW(hp) | 735 (1000) | 1100 (1500) | 1470 (2000) | |
| Max. fastline pull kN | 275 | 340 | 485 | |
| Drill line Dia. mm(in) | 32 (1 1/4 ) | 35 (1 3/8 ) | 38 (1 1/2) | |
| Drum size (Dia. x width) mm(in) | 640 ×1235 (25 1/4 ×48 1/2 ) | 685×1245 (27 ×49 ) | 770×1436 (30 ×56 1/2 ) | |
| Brake drum size (dia. x width) mm(in) | 1168×265 (46 ×10 1/2 ) | 1270×267 (50 ×10 1/2 ) | 1370×267 (54 ×10 1/2 ) | |
| Brake disc (dia. x width) mm(in) | 1500×76(59 ×3) | 1600×76(63 ×3 ) | 1600×76(63 ×3 ) | |
| Sand drum size (dia. x width) mm(in) | 356×1245(14×49 ) | 356×1430(14 ×56 1/4 ) | 356×1430(14 ×56 1/4 ) | |
| Sand drum capacity (Ф14.5 drill line) m(ft) | 3500 (11480 ) | 4500 (14760 ) | 6000 (19685 ) | |
| Auxiliary brake | DS40 | DS50 | DS70 | |
| Dimension (L x W x H) mm | 6450×2560×2482 | 7000×2955×2780 | 7930×3194×2930 | |
| Weight kg | 28240 | 45210 | 43000 | |
DC Drawwork Specification:
| Model | JC40D | JC50D | JC70D | JC90D | |
| Nominal drill depth m | Ф114mm DP | 2500-4000 | 3500-5000 | 4500-7000 | 6000-9000 |
| Ф127mm DP | 2000-3200 | 2800-4500 | 4000-6000 | 5000-8000 | |
| Power rating kW (hp) | 735 (1000 ) | 1100 (1500 ) | 1470 (2000 ) | 2210 (3000 ) | |
| Qty. of motor x power rating kW (hp) | 2 ×438(537)/ 1 ×800(1072) | 2 ×800(1072) | 2 ×800(1072) | 3 ×800(1072) | |
| Motor rated speed r/min | 880/970 | 970 | 970 | 970 | |
| Drill line dia. mm(in) | 32 (1 1/4 ) | 35 (1 3/8 ) | 38 (1 1/2 ) | 45 (1 3/4 ) | |
| Max. fastline pull kN | 275 | 340 | 485 | 630 | |
| Drum size (Dia. x width) mm(in) | 640×1139 (25 1/4 ×44 7/8 ) | 685×1138 (27 ×44 7/8 ) | 770×1361 (30 ×53 1/2) | 914×1556(36 ×61 1/4) | |
| Brake disc size (Dia. x width) mm(in) | 1500×40 (59 ×1 1/2 ) | 1600×76 (63 ×3 ) | 1600×76 (63 ×3) | 1600×76 (63 ×3 ) | |
| Sand drum size (Dia. x width) mm(in) | 356×1245 (14 ×49 ) | 356×1245 (14×49 ) | 356×1245 (14 ×49 ) | 356×1448 (14 ×57 ) | |
| Sand drum capacity (Ф14.5 drill line) m(ft) | 4000 (13120 ) | 5000 (16400 ) | 6400 (21000 ) | 7500 (24600 ) | |
| Auxiliary brake | DS40 | DS50 | DS70 | DS90 | |
| Dimension (L x W x H) mm | 6600×3716×2990 | 6800×4537×2998 | 7670×4585×3197 | 7874×5486×2997 | |
| Weight kg | 40000 | 48000 | 61000 | 70000 | |
AC VF drawworks Specifications:
| Model | JC40DB | JC50DB | JC70DB | JC90DB | |
| Nominal drilling depth m | Ф114mm DP | 2500-4000 | 3500-5000 | 4500-7000 | 6000-9000 |
| Ф127mm DP | 2000-3200 | 2800-4500 | 4000-6000 | 5000-8000 | |
| Power rating kW (hp) | 735 (1000 ) | 1100 (1500 ) | 1470 (2000 ) | 2210 (3000 ) | |
| Qty. of motor x power rating kW (hp) | 1 ×720 | 2 ×720 | 2 ×1100 | 3 ×1100 | |
| Motor rated speed r/min | 601 | 660 | 660 | 660 | |
| Drill line Dia. mm(in) | 32 (1 1/4 ) | 35 (1 3/8 ) | 38 (1 1/2 ) | 45 (1 3/4 ) | |
| Max. drill line load kN | 275 | 340 | 485 | 630 | |
| Drum size (Dia. x width) mm(in) | 640×1139 (25 1/4 ×44 7/8) | 685×1138 (27 ×44 7/8 ) | 770×1439 (30 ×53 1/2 ) | 914×1556 (36 ×61 1/4 ) | |
| Brake disc size (Dia. x width) mm(in) | 1500×76 (59 ×3) | 1600×76 (63×3) | 1520×76 (59 3/4) | 1800×76 (70 7/8 ×3) | |
| Automatic feeding motor power kW (hp) | 45(60) | 45(60) | 45(60) | 45(60) | |
| Transmission | Single stage gear | Dual stage gear | Dual stage gear | Dual stage gear | |
| Auxiliary brake | Dynamic brake | Dynamic brake | Dynamic brake | Dynamic brake | |
| Dimension (L x W x H) mm | 4230×3000×2630 | 5500×3100×2650 | 4570×3240×2700 | 6000×3400×2906 | |
| Weight kg | 18600 | 22500 | 30000 | 42000 | |
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