The CLM 7 ½” x 10” Triplex Hydraulic Mud Pump will pump 75% more rated flow than a 5 ½” x 10”, at almost twice the pressure, is 29.7” shorter, and weighs less than 1/3 as much.
It takes four 5 ½” x 10” pumps (each lined with 4” liners = 24, 260 lbs) to match the rated pressure and volume of one CLM 7 ½” x 10” triplex!

Specifications:
450 GPM displacement @ 800 PSI @ 40 strokes/minute 77.3” long x 52” wide 51” x 25” high; weight 1900 lbs