ZJ40 Truck-mounted Drilling Rig adopts double Caterpillar C18 engines with Allison transmissions. It is the best-selling mobile drilling rig for both oil drilling and workover purposes. It can reach up to 4,000m drilling depth and 10,000m workover depth, with 2,250kN max hook load. ZJ40 rig is the ideal choice for heavy duty workover and mobile drilling operation.
Main technical parameters:
| Model | ZJ40 | Transmission | Allison M6620AR × 2 |
| Drilling Depth | 4,000m (9,840ft, 4-1/2'' DP) | Derrick | |
| Max. Hook Load | 2,250kN | Racking Board Capacity | 4,000m (9,840ft, 4-1/2'' DP) |
| Wireline Dia. | Φ32mm | Racking Board Height | 24m (79ft) |
| Traveling System | 6×5 | Max. Wind Velocity | 30m/s (98ft/s) |
| Overall Dimensions(L×W×H) | 22.2×3.1×3m | ||
| Weight | 76,000kg (1676,000 lbs) | Rated Power | 630hp× 2 |
| Max. Travel Speed | 45km/h (28mph) | Main Drum | Φ528mm×1041mm(Φ20.8''×41'') |
| Carrier | Self-propeller 14×10 | Max. Faster Line Pull | 280kN (62300lbf) |
| Engine | Cat C18 × 2 | Sanding Drum | Φ315 ×1,005mm(Φ12.4'' ×39.6'') |
| Power of Engine | 630hpx2 | Air Assist Brake System | KOBELT Disc4-10.5-48.5'' |
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