The Dragon 660HP is a triplex mud pump rated at 660 HP input power, running at 147 SPM with an 8.5 in stroke and a max working pressure of 5530 PSI. Factory data lists liner bores from 4 in up to 7 in: the 4 in liner is rated to a max of 5530 PSI while the 7 in liner is rated to a max of 1805 PSI, so the fluid end can be configured toward higher pressure or higher volume as the drilling program requires. We support this model with replacement fluid-end wear parts for rigs in Canada, the United States and international oilfields.
FAQ
What are the factory ratings of the Dragon 660HP triplex mud pump?
Factory spec data lists a rated input power of 660 HP, a stroke length of 8.5 in, a rated speed of 147 SPM and a max working pressure of 5530 PSI.
Which liner sizes are offered, and what pressure does each allow?
Factory data lists liners from 4 in to 7 in. The 4 in liner carries a max of 5530 PSI, the 5 in liner 3540 PSI, the 6 in liner 2460 PSI and the 7 in liner 1805 PSI; intermediate sizes fall between these values.
What fluid-end parts do you supply for the Dragon 660HP?
We supply liners, pistons, valves, valve seats, valve springs, packing and complete fluid end modules configured for the Dragon 660HP, with sizes matched to the liner bore your rig runs.
How should I choose the liner size for my program?
Match the liner to your hydraulics: smaller liners such as the 4 in or 4.5 in give higher pressure capability, while the 6.5 in and 7 in liners trade pressure for volume. Share your target pressure and flow with us and we will confirm the right setup.
Do you export Dragon 660HP parts to Canada and the United States?
Yes, we regularly ship to Canada, the United States and international oil and gas destinations. Parts are exported under HS code 84139100 with the documentation customs brokers expect.