Model  | 
 JC20   | 
 JC40D   | 
 F-500   | 
 JC50   | 
 JC50D   | 
 JC70   | 
 JC70D   | 
| 
 Nominal scope of drilling depth (m)   | 
 1200-2000   | 
 2500-4000   | 
 2500-4000   | 
 3500-5000   | 
 3500-5000   | 
 4500-7000   | 
 4500-7000   | 
| 
 Rated power (KW)   | 
 330-400   | 
 735   | 
 735   | 
 1100   | 
 1100   | 
 1470   | 
 1470   | 
| 
 Max. fast rope pull (KN)   | 
 165   | 
 275   | 
 275   | 
 340   | 
 340   | 
 485   | 
 485   | 
| 
 Diameter of steel wire rope mm(in)   | 
 28(11/8)   | 
 32(11/4)   | 
 32(11/4)   | 
 35(13/8)   | 
 35(13/8)   | 
 38(11/2)   | 
 38(11/2)   | 
| 
 Drum(Diameter X Length) mm   | 
 560×879   | 
 640×1235   | 
 640×1235   | 
 685×1245   | 
 685×1245   | 
 770×1436   | 
 770×1436   | 
| 
 Brake wheel net(Diameter X Width) mm   | 
 1100×215   | 
 1168×265   | 
 1168×265   | 
 1270×267   | 
 1270×267   | 
 1370×267   | 
 1370×267   | 
| 
 Brake disc (Diameter X Width) mm   | 
    | 
 1500×76   | 
 1500×76   | 
 1600×76   | 
 1600×76   | 
 1600×76   | 
 1600×76   | 
| 
 Bailing drum (Diameter X Length) mm   | 
    | 
 356×1245   | 
 356×1245   | 
 356×1430   | 
 356×1430   | 
 356×1430   | 
 356×1430   | 
| 
 Volume of bailing drum m  <, /TD>   | 
    | 
 3500   | 
 3500   | 
 4500   | 
 4500   | 
 6000   | 
 6000   | 
| 
 Assistant brake   | 
 DS20   | 
 DS40;YS40   | 
 DS40;YS40   | 
 DS50;YS50   | 
 DS50;YS50   | 
 DS70;YS70   | 
 DS70;YS70   | 
| 
 Dimension (L×W×H) mm   | 
 4250 ×3000 ×2200   | 
 6450 ×2560 ×2482   | 
 6600 ×5820 ×2918   | 
 7000 ×2955 ×2780   | 
 6800 ×4537 ×2998   | 
 7930 ×3194 ×2930   | 
 7670 ×4585 ×3197   | 
| 
 Weight   kg   | 
 16120   | 
 25100   | 
 37000   | 
 45210   | 
 52000   | 
 43300   | 
 61000   |