The Oilwell A-1100-PT is an 1100 HP-class triplex mud pump rated at 150 SPM with a 10 in stroke and a maximum working pressure of 5000 PSI at the 4 in liner. The design emphasizes dependable running with minimal downtime and field-friendly maintenance. DLSY stocks 182 replacement items for this model, with deep liner and piston coverage — zirconia and grayloy liners in popular sizes, plus pistons, valves and springs.
FAQ
What are the factory ratings of the Oilwell A-1100-PT?
Factory data rates it at 1100 HP input, 150 SPM, with a 10 in stroke and a maximum working pressure of 5000 PSI. Maximum pressure varies by liner: 5000 PSI at 4 in, 4482 PSI at 5 in, 3112 PSI at 6 in and 2287 PSI at 7 in.
Which liner sizes and materials do you stock for the A-1100-PT?
We stock Southwest aftermarket liners for the A-1100-PT in zirconia and grayloy, in sizes including 4 in, 4-1/4 in, 4-1/2 in, 4-3/4 in, 5 in and 5-1/4 in, plus pistons, valves and springs to match.
How many A-1100-PT parts does DLSY carry?
Our catalog lists 182 distinct items for this model — 46 liner references, 53 piston references, 18 valve references and 7 spring references, plus related hardware such as valve guide bushings.
Can I order by OEM part number?
Yes. Quote the reference number from your parts book — for example 20-100-015 or valve guide bushing 20-200-004 — and we will match it against our A-1100-PT stock.
Do you ship A-1100-PT parts internationally?
Yes. We export under HS code 84139100 to Canada, the United States and international oil & gas markets, with export packing and documents handled by our team.