Features
Ball Hitch (part # 1BH) - standard on model DP4000TB (fits 1 7/8" or 2" ball) - may be ordered separately

Pintle Hitch (part # 2PH) - standard on model DP4000TP - may be ordered separately

Greaseable, replaceable Roller Bearings (part # 7BEARING) - assure a long life connection between the drive train and pump arms.
Two diaphragms (part #4DIAP) and four flapper valves (part #5FLAP) pictured - are the only internal moving parts and are easily replaceable. Simplicity and dependability at their best.
Rubber Drive Coupling (part # 8) - between engine and gearbox isolates and dampens vibrations.
Gorilla Wrench (part# 6WRENCH) - optional gorilla-sized wrench is 27" long, weighs 8.5 pounds. Fits all discharge port fittings and plugs.