Canrig 275‑Ton Top Drive (C275 / T275):
Certified Capacity (API 8C): 275 tons (≈ 249 tonnes)
Output Power (Continuous): 600 HP (≈ 450 kW)
Maximum Speed: 225 RPM
Continuous Drill Torque: 30,000 ft‑lb (≈ 4,067 daN·m)
Maximum Torque: 60,000 ft‑lb (≈ 8,130 daN·m)
Operating Temperature Range: –49 °F to +131 °F (–45 °C to +55 °C)
Weight: 18,000 lb (≈ 8,200 kg)
A technical brochure from Nabors (which markets Canrig Top Drives) confirms and contextualizes the C275’s specs within their broader product lineup:
Capacity, Power, Torque & Weight figures align precisely with the ones above.
The specs are embedded in their standard performance comparison charts.
| Specification | Value |
|---|---|
| Certified Capacity | 275 tons (249 tonnes) |
| Output Power (Continuous) | 600 HP (450 kW) |
| Max Speed | 225 RPM |
| Continuous Drill Torque | 30,000 ft-lb (4,067 daN·m) |
| Maximum Torque | 60,000 ft-lb (8,130 daN·m) |
| Operating Temperature | –49 °F to +131 °F (–45 °C to +55 °C) |
| Weight | 18,000 lb (8,200 kg) |
Configuration: V‑8, 4‑stroke, turbocharged and aftercooled
Displacement: 34.53 L (2,107 in³)
Bore × Stroke: 170 mm × 190 mm (6.7 in × 7.5 in)
Power Output:
507–746 bkW (680–1,000 bhp) at 1,200–1,800 rpm
Compression Ratio: 13.0:1
Lubrication Capacity: 424 L (448 qt)
Dimensions (Engine Only):
Length: ~2,136 mm (84 in)
Width: ~1,703 mm (67 in)
Height: ~1,720 mm (68 in)
Dry Weight: ~4,309 kg (9,500 lb)
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