Shijiazhuang Dongli Petroleum Machinery (DLSY) stocks 91 replacement items for the Oilwell A-560-PT mud pump, including 18 liners, 10 valves, 7 pistons and 4 springs. Liner part numbers cover 4 in (MK-0287-40), 4½ in (MK-0287-44), 5 in (MK-0287-50) and 5½ in (MK-0287-54), and we also list the piston rod (MK-0283-C), connecting rod (MK-0283-D) and valve guide bushing (20-200-004). Parts are exported under HS code 84139100 to Canada, the United States and international oil & gas markets.
FAQ
What Oilwell A-560-PT parts does DLSY stock?
We catalog 91 distinct items for this model: 18 liners, 10 valves, 7 pistons and 4 springs, plus power-end items such as the piston rod (MK-0283-C), connecting rod (MK-0283-D) and sub rod (MK-0283-B).
Which liner sizes are available for the A-560-PT?
Stocked liner part numbers include MK-0287-40 (4 in), MK-0287-44 (4½ in), MK-0287-50 (5 in) and MK-0287-54 (5½ in). Factory data also covers 6 in and 7 in liners rated at 1680 PSI and 1240 PSI maximum respectively.
What is the maximum working pressure of the A-560-PT?
Factory data rates the pump at 3780 PSI maximum working pressure with a 4 in liner, 2420 PSI with a 5 in liner, 1680 PSI with a 6 in liner and 1240 PSI with a 7 in liner. Rated input power is 560 HP at 175 SPM with an 8 in stroke.
How long do A-560-PT liners and pistons last?
Wear life depends on mud abrasiveness, operating pressure and how consistently the fluid end is serviced. Liners, pistons, valves and springs are the routine wear items — keeping a full set of spares on the rig avoids unplanned downtime.
Can DLSY ship A-560-PT parts to Canada or the United States?
Yes. We export to Canada, the United States and international oil & gas markets under HS code 84139100. Send your part list and we will confirm availability and lead time.
