national d50 mud pump manufacturer

Continental Emsco Drilling Products, Inc., which consisted of Emsco drilling machinery and Wilson mobile rigs, was purchased by National-Oilwell, Inc on July 7, 1999. To our knowledge, no pumps have been manufactured and sold under the Emsco brand name since National-Oilwell acquired them.

Fairbanks Morse pumps are currently manufactured in Kansas City, Kansas. Fairbanks Morse is a division of Pentair ever since August, 1997 when Pentair purchased the General Signal Pump Group.

Gaso pumps are manufactured by National Oilwell Varco. Gaso was acquired as "Wheatley Gaso" by National-Oilwell in the year 2000. At the time, Wheatley Gaso was owned by Halliburton.

Skytop Brewster pumps are no longer available as new pumps. Skytop Brewster(Cnsld Gold), a unit of Hansen PLC"s Consolidated Gold Fields subsidiary, was acquired while in bankruptcy by National-Oilwell, Inc. in November, 1999.

Pump Parts - Mud Pump Parts & Complete Units: Liners, Pistons, Rubbers, Rods, Valves, Seats, Springs, Inserts (Bean, BJ, CAT, EMSCO, Ellis Williams, FMC, Failing, GASO, Gardner Denver... More Info

Pump Parts - National 125T-4L Triplex Injection Pump (Oilwell A-344H), Pumps & Parts, Used National J125T-4L Triplex Pump, Reconditioned, 4" Metal Plungers x 4" Stroke, Bronze Fluid E... More Info

Pump Parts - National 125T-4L Triplex Injection Pump (Oilwell A-344H), Pumps & Parts, Used National 125T-4L Triplex Pump, Reconditioned, 4" Metal Plungers x 4" Stroke, Bronze Fluid En... More Info

Pump Parts - National 300Q-5MCS Quintuplex Injection Pump, Pumps & Parts, Used Stainless Steel Fluid End for National 300Q-5MCS Quintuplex Pump, c/w top plugs, no valves or stuffing b... More Info

Triplex Pumps - Used National 55T-3SC, 3" stroke, 55 hp triplex pump, cast ductile iron fluid end with 2" plungers, 2 1/2" 150# suction, 2" 600# discharge, with 7.5" electric motor. 1175... More Info

Pump Parts - National 8P-80 Triplex Drilling Mud Pump Package, Pumps & Parts, Used National 8P-80 Triplex Mud Pump, 6" Pistons x 8.5" Stroke, Skid Mounted and Packaged with Cat D379 D... More Info

Triplex Pumps - Rebuilt National J-150L aluminum bronze fluid end. 6" 150# FF suction, 3" 2000# RJ discharge. 4" plungers, delrin disc valves, 838 packing with bronze adapters. More Info

Pump Parts - National Oiwell NOV J-250-H Quintuplex Injection Pump, Pumps & Parts, Used National Oilwell NOV J-250-H Quintuplex Injection Pump, (J-275-H, 300Q-5H), s/n 220, 1 3/4" Met... More Info

Pumps - Misc. - National J-60 mist pump mounted on 3 runner oil field skid, 80 barrel stainless steel tank powered by Cat 3054C diesel engine More Info

Pump Parts - National JWS-125, 3.5x5 Triplex Mud Pump Package, Pumps & Parts, Used National JWS-125 Triplex Mud Pump Package, steel fluid end, 3.5" metal plungers x 5" stroke, complet... More Info

Browse through more than 1,500 duplex piston rods and 200 duplex pony rods in our inventory. EC Tool gives you a quote before your order, so you know what you’re getting for your money every time. While we primarily keep connecting rods for GA550 and GA750 models in stock, there are other options at your disposal as well. This includes custom connecting rods for most duplex and triplex mud pumps.

We now offer new crossheads and capsules for both EMSCO D-375 and DB-550 duplex pumps. You can also find slides and shoes for certain models. Available parts currently in our inventory include: