Key Details
Seller’s Notes
UDR 650 truck-mounted drill rig fitted on Mack Quantum twin steer chassis. Older unit (1996) with extensive recent mechanical rebuild work completed across major hydraulic and drilling components. Engine and drill system largely refurbished and operational.
Specifications:
Make: UDR
Model: 650
Year: 1996
Configuration: Truck-mounted drill rig
Truck Make: Mack
Model: Quantum
Engine: 435 HP (Twin Steer configuration)
Major Rebuild / Works Completed:
Rebuilt 4-cylinder Detroit engine
Rebuilt drill head
Main ram rebuilt
New holdback and microfeed valves
New Cameron gauge installed
New main winch hydraulic motor
New secondary valve bank
Jack legs resealed with new piston seals
New hydraulic charge pump
Hydraulic pumps tested and producing full pressure
Bean pump pistons replaced
New mast slides installed
Outrigger front jack legs fitted
Spare pull-down ropes (new)
Foot clamps rebushed with new HQ & PQ slips (NQ slips included)
Additional Info:
Truck-mounted drilling unit
Significant recent refurbishment work completed
Location: New South Wales, Australia
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