Scona Derrick Dolly Specifications
| Description | Specification |
|---|---|
| Length | Approximately 14' 6" |
| Width | Approximately 67-1/2" frame |
| Main flanges | High-tensile steel |
| Main web | High-tensile steel |
| Cross-members | Steel I-beam |
| Suspension | Scona 16-wheel rubber-bushed walking beam |
| Axles | D22 35" track |
| Hubs and drums | Five-spoke Dayton |
| Brake pots | Service chambers |
| Slacks | Manual |
| Cams | 10-spline S-cam |
| Brakes | 16-1/2" x 7" |
| Wheels | 22.5 x 8.25 Dayton-style |
| Tires | 275/70R22.5 Michelin XZY-2 |
| Pick-up throat | Partial with cable savers |
| Tie-downs | On ends of bunks |
| Mud flaps | Scona black rubber |
| Air system | Regulation CMVSS with service brakes |
| Electrical | Regulation with rubber-mounted sealed beam lights |
| Paint | Sandblasted, primed and painted with Endura plastic paint |
Additional Information
Turntable – 39" turntable with dual bearings
Bunks – Three extendable bunks on turntable
Power unit – 13 HP electric start power unit
Steering – Hydraulic steering pack with handheld remote control, two hydraulic steering cylinders [40TL36]
Oilfield
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