Mud Pumps

Efficient Mud Pumps & Accessories

EC Tool carries mud pumps, connecting rods, and more than 2,000 drawings and blueprints of oilfield equipment and supplies. We are pleased to help you fill your specific needs with one-of-a-kind designs for:

Duplex & Triplex Liners
Washpipes
Piston & Pony Rods
Mud Pumps
Mud Pump Fluid Ends

We have more than 40 duplex and triplex pumps in our inventory. We only sell pumps after we have completely rebuilt both the gear and fluid end, so you can be assured you are receiving a top-quality product. We also offer new duplex and triplex pumps to meet the most demanding mud pump needs.

Mud Pump Supplies

Our extra-large inventory of fluid-end and gear-end parts for duplex pumps includes more than 500 duplex liners, as well as cages and stuffing boxes. If you can’t find the model you are looking for below, simply speak with one of our representatives.

Duplex Liner Cages:

Brewster B550/750
EMSCO D300 MATTCO
EMSCO D-375
EWCO 15W600
Amerman GA550/GA750
Gardner Denver FXN
Gardner Denver FXQ
National K500
Wilson 600

Duplex Stuffing Boxes:

EMSCO D300/375
EMSCO D500/DA500/DB550
EMSCO D700/DA700/DB700
EWCO 15W600
Amerman GA550
Amerman GA750
Gardner Denver FXN
Gardner Denver FXZ
National K380/C350
National K500
National K700
National C250
Wilson 600

Piston, Pony, & Connecting Rods

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.

Crossheads

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:

Crossheads & Capsules for D-375 & DB-550
Crossheads & Slides for D-300 & D-500
Slides & Shoes for IDECO MM-700
Slides & Shoes for Wilson 600

Valve Caps & Drop-In Plugs

We carry a large inventory of valve cap plugs made for OEM and MATTCO fluid ends. You’ll also find different drop-in plugs for most gland-type valve caps.