Draw Works Features

Draw Works Model 550/42x12, 42x8

• Water splash brake cooling
• Twin Kobelt 5026 48x7 disc assist brake
• 1in Lebus grooving on main drum
• 224 Wichita Clutch on sand line drum
• 324 Wichita Clutch on main drum

Mast Model 104/275

(Double Tubing, Triple Rods)-(per API 4F)

• 4-leg fixed base
• Clear height is 104ft below crown
• Static hook load capacity on 6 lines 219,000lbs
  • *8 lines 275,000lbs
• 30in fast line sheave
• 24in dead line sheave
• 24in sheave cluster
• All sheaves mounted on Timken double row bearings
• Racking platform capacity is 24,000ft of 2 7/8in tubing
• Hydraulic rams for raising and telescoping
• Adjustable work platform

Mast Options

• Mast lighting
• Standpipes
• Optional Mast Models
  • 108/275
  • 108/300

Drive Train

• Standard Detroit Diesel Series 60,500-540hp
  • Caterpillar or Cummins optional
• Allison 4700 OFS 7-speed transmission
  • optional M5610A straight through or drop box 6-speed transmission
• Cotta TR2205 transfer case with oil cooler
• Optional engine cover for weather protection

Carrier

• Standard 5-axle carrier
• Front axles (rated at 22,000lbs each) have spring suspension
• Rear axles (rated at 52,000lbs combined) have walking beam suspension
• Third (non-driving) rear axle with air bag lift suspension rated at 20,000lbs
• All axles monitored by a Bendix Anti-Lock Brake System

Carrier Options

• Fourth (non-driving) rear axle with air bag lift suspension rated at 20,000lbs
• Hydraulically raised operator’s station

Controls & Hydraulic System

• Controls for all leveling jacks, mast raising and scoping cylinder, engine, transmission, main drum clutch, winch, and road to winch shifting are located in a stainless steel, clearly marked with laser etching, control box for quick, easy rig-up.
• 50gpm hydraulic pump for all rig hydraulics and tong operation
• Filters provided on suction and return lines
• Standard Braden PD12 Service Winch

Rig Options

• Hydraulic oil cooler for continuous use and hot climate applications
• Cold weather engine package with fuel, oil and coolant heaters
• Ventilated engine/transmission enclosure with removable doors
• Folding walkways on off-operator side
• Rotary drive package