MD Cowan Super Single MD525 trailer drilling rigs for Sale

MD Cowan Super Single Rigs for Sale

FOR SALE: MD525 SuperSingle Trailer Mounted Drilling Rigs

Two MD Cowan Super Singles available in excellent condition. These highly-mobile rigs offer fast crane-less moves and efficient drilling operations. Rig-up is fast and hydraulically powered and the Pipe Handling System is automated and safer for rig crews.

These 2006 US-built rigs come with auxiliary and related equipment.

Mast: 72ft IDS model 4R-72-500
Static Hook Load: 500,000 lbs (10 lines)
Substructure: IDS model HR12-1.0
Drawworks: Rig Tech RT-400B (OEM rated 1000HP - currently set up with 540HP)
Powered by (1) of (2) CAT C15 Diesel Engines at 540HP
Auxiliary Brake: Eaton model 424WCB2
Transmission: Allison CIT-6061-4
Drilling Depth: 12,000ft

Power Package:
Drawworks: (2) CAT C15 rated at 540HP
Generators: (2) CAT C15 rated at 540HP / 355kW
Pumps: (2) CAT 3508 rated at 900HP
HPU: (1) CAT C15 rated at 540HP

Top Drive:
Venturetech model XK-250, 
250 ton capacity

Mud Pumps:
(2) Gardener Denver PZ-9 Triplex Mud Pumps, 5,000 psi, 1000HP rated
(2) Caterpillar 3508, 900HP engines

Bop Stack:
Double Ram: TOWNSEND Type 82 11” 5,000 PSI
Annular: TOWNSEND Type 90 11” 5,000 PSI
Accumulator: US OILTOOL T-80-5 5-Station, 240-Gallon
Choke Manifold: 4-1/16” x 4-1/16” 5,000 PSI

Condition: Used – Excellent
Date of fabrication: 2006
Quantity: 2 rigs available
Location: USA
Lead-time: available immediately


* All information made available is given in good faith but without guarantee.



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  • “It was great dealing with someone who had the knowledge and expertise to make our deal go so smoothly.”

    Operations Manager - North Dakota, USA
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