LJR-W-440 Well Service Pump is a continuous duty 6″ stroke high performance triplex. This pump is an Ellis Williams Style (EWS) design. The LJR-W-440HP is rated to 5,000 PSI, with 3-1/2″ Piston/Liners, with a maximum output of 5.3 BPM. Our LJR-446 is a 3K pump and can accommodate from 3″ liners/pistons to 6″ liners/pistons. LJR-446 can turn out 15 BPM with 6″ liners at 1027PSI.
W-440-LP
![pro-5-757965481](https://ljrpumps.com/wp-content/uploads/2021/12/pro-5-757965481.jpg)
The W-440-LP is a Minimum Weight/Maximum Performance with continuous duty life expectancy. High Strength Steel fabrication power end with integral steel herringbone gears. Anti-Friction roller bearings thoughout. Upset forged and hardened alloy steel fluid-end modules. A.P.I. Standard expendables Forged Steel eccentric Crankshaft. Double(redundant) failsafe internal lube system. Metal to Metal Liner lock. High Capacity Liner wash system.
W-440-HP
![1071011400-440 HP](https://ljrpumps.com/wp-content/uploads/2021/12/1071011400-440-HP.png)
The W-440-HP is a Minimum Weight/Maximum Performance with continuous duty life expectancy. High Strength Steel fabrication power end with integral steel herringbone gears. Anti-Friction roller bearings thoughout. Upset forged and hardened alloy steel fluid-end modules. A.P.I. Standard expendables Forged Steel eccentric Crankshaft. Double(redundant) failsafe internal lube system. Metal to Metal Liner lock. High Capacity Liner wash system.
W-446
![pro-7-650206669](https://ljrpumps.com/wp-content/uploads/2021/12/pro-7-650206669.png)
The W-446 is a Minimum Weight/Maximum Performance with continuous duty life expectancy. High Strength Steel fabrication power end with integral steel herringbone gears. Anti-Friction roller bearings thoughout. Upset forged and hardened alloy steel fluid-end modules. A.P.I. Standard expendables Forged Steel eccentric Crankshaft. Double(redundant) failsafe internal lube system. Metal to Metal Liner lock. High Capacity Liner wash system.
Unitized LJR Packages
![pro-8-787325525](https://ljrpumps.com/wp-content/uploads/2021/12/pro-8-787325525.jpg)
LJR 440 unitized packages are fabricated with a Detroit Diesel Series 60 Engine, Allison C750 Transmission, control panel, 5″ suction, 3″ discharge, 5×4 Charging Pump & 1×1-1/2 Liner wash pump.